Top 10 Flight Booking APIs To Integrate Into Your Travel Portal

Travel portals/websites’ flight booking API is one of the most crucial parts of any travel portal/website. It is the basis of all other things that transpire on your website. What this entails is that you should ensure that you have the right flight API solutions available to you. Here, you’ll find the most significant flight APIs in one place — a go-to flight API guide for OTAs and travel startups alike. This will help you decide which API fits best for your travel site.
What is Flight Booking API?
Flight Booking API is an integrated solution that enables ticketing through the use of APIs which are software interfaces that allow the software to talk to each other through an application programming interface. Incorporating an airline API allows businesses to easily connect to flight data and integrate booking systems with minimal development effort.
List of Top 10 Flight Booking APIs for OTAs and Travel Websites
No matter whether you run a small travel company or a large airline business, there are countless advantages of incorporating these flight booking APIs into your website, mobile app, or other systems. This section works as a quick flight API guide for OTAs, helping you compare top providers and choose the best fit. Let’s explore how these APIs can help boost revenue and open up new opportunities for growth.
1. Mystifly -Multisource Air Content

This flight booking API offers you the freedom and opportunity to add the flight booking software to any website or application easily. It recognizes all sorts of airplanes: low-cost, regular, charter and other. By leveraging an airline API like Mystifly, businesses can access real-time data across multiple airlines.
Mystifly API allows search, ticket, and post-booking management processes for more than 700+ airlines. |
Key Features of Mystifly API
- Easy Check-In
- Multi-Platform Support
- Fast Response Times
- Customizable Pricing
- Various payment options
Top Benefits of Mystifly API
- Flexibility to book flights anytime
- Find the best deals before booking
- Easy access to the best prices
- Cost-effective & time-saving
- Easy to use/integrate
2. Pkfare

In this flight and hotel booking you do not have to create additional links or integrate new systems as our platform can be easily mapped to your existing ones. It provides an opportunity for travel business owners to provide more choices to their customers without the burden of developing the booking engine.
Pkfare aggregates real-time big data from over 600 airlines. |
Using a robust airline API such as Pkfare’s enables travel agencies to aggregate flight data, making it easier for customers to find the best flight options.
Key Features of Pkfare
- A hotel booking API integration
- A rental car API integration
- An airport parking API integration
- The AI-powered dynamic pricing algorithm
- Real-time tracking

Top Benefits of Pkfare
- Offers flexibility to integrate based on the company’s needs
- Efficient and robust to get the information
- Reliable and secure
- Easy to set up an integration
- Offers the best user experience
3. Skyscanner Flights API

Skyscanner flight API is flexible API that allows businesses to build their airline-specific solutions or integrate with existing platforms and data providers. The API has been built with a modular architecture and supports multiple payment methods, including credit card, PayPal, and bank transfer. With Skyscanner’s airline API, businesses can access comprehensive flight information, ensuring a seamless customer experience.
Key Features of Skyscanner Flights API
- Price Alerts
- Booking Confirmation
- Flight History
- Price Trends
Top Benefits of Skyscanner Flights API
- Easy to set up & use.
- It’s free.
- Allows custom searches by price, location & more.
- It runs smoothly.
4. Sabre APIs

Sabre’s APIs provide solutions for airlines and hotels to create customer-facing mobile applications that allow them to manage bookings, inventory levels, loyalty programs, and other data. Developers can also use these APIs to build applications for their internal business use cases. By incorporating Sabre’s airline API, companies can easily access and manage their booking processes, enhancing the overall customer experience.
The API is now connected to more than 400,000 travel agents globally. And it is supported by more than 400 flight carriers, 200,000 hotels, global tour operators, and car and cruise providers |
Key Features of Sabre API
- Price Optimization
- Inventory Management
- Online Travel Agency (OTA) APIs
- Content Management System (CMS)
- eCommerce Platform
Top Benefits of Sabre API
- Get 24/7 customer support
- Offers multiple payment options
- Advanced reporting system
- Easy integration process
5. Amadeus Travel APIs

Some of the APIs Amadeus has for its products include; Amadeus cloud, Amadeus reservation system (ARS). Amadeus Cloud refers to a web based application that enables users to search for thousands of flights within a single order while Amadeus Reservation System (ARS) enables users to book flights online. The Amadeus API can also be utilized on other platforms including Sabre as well as Galileo.
Travelers can find the perfect flights by comparing flight deals from 400+ airlines worldwide. |
Key Features of Amadeus API
- Booking Engine
- Payment Gateway
- Document Management System
- Reporting
- Integration
Top Benefits of Amadeus API
- Security protocols & encrypted technology
- Helps boost business growth
- Allows direct integration or an API gateway
- Offers 24/7 support via phone, chat, and email
- Eliminates duplicate booking processes
6. Paxport

It allows you to connect your airline with all the world’s major online travel agencies, so you can sell more flights. Paxport is a SaaS solution that provides airlines with a white-labeled booking platform to manage the sales of their flights to OTAs and other travel partners. By using the airline API offered by Paxport, you can streamline your flight distribution across multiple channels.
Key Features of Paxport
- Booking engine
- Flight management dashboard
- Inventory management
- Customer service portal
- Flexible Pricing Options
Key Benefits of Paxport
- Manages bookings, prices, etc on a single platform
- Offers a seamless customer experience across multiple airlines
- Supports multi-currency
- Reinforces customer engagement
- Helps protect against fraudulent transactions
7. Priceline Flight API

It is a RESTful service which means Representational State Transfer service that helps developers to use services of Priceline in other applications. Some of the existing API methods include; the ability to book a flight; the status of a specific flight; and adding another passenger to a particular reservation.
Key Features of Priceline Flight API
- Dynamic Pricing
- Advertising
- Advanced Analytics
- Multi-Channel Management
- Quick booking
Top Benefits of Priceline Flight API
- Highly customization with business needs
- APIs Are Easy To Use
8. Expedia API

Flight booking API of Expedia offers you access to a wealth of flights under which your customer can make fast and live flight bookings. They may have to search it by airports too, by city name, by country name or by the zip code. Expedia API also offers information concerning the carriers, airports, departure and arrival time.
It is used by over 200 travel booking sites across 75 countries and 150 mobile websites. Expedia API Integration connects any online booking system to 140,000 hotels across 245 countries. |
Key Features of Expedia API
- Compare prices
- Book flights directly from the Expedia website or app
- 24×7 customer support
- Multiple languages support
Top Benefits of Expedia API
- It’s easy to use.
- Protects data at all times
- Search for hotels, rental cars, etc. easily
- Allows users to make requests quickly
9. Travelport API

Travel agents can use the API to integrate Travelport’s booking engine with their own systems, allowing customers to search and book travel directly through their website or app. Travelport connects to over 400 airline partners through their airline API, offering access to global flight inventories.
The API can be connected with over 400 airline partners around the globe. |
Key Features of Travelport API
- Booking engine
- Reservations and ticketing
- Inventory management
- Revenue management
- Reporting
Top Benefits of Travelport API
- Improved customer experience
- Increased revenue
- Helps scale up your business
- Offers 24×7 support & maintenance
10. AerTicket API

It allows you to book flights for your customers. This can be done through a simple checkout process, where your customers can input their information, choose their flight and payment method, and complete their purchases. AerTicket provides many options for getting started, including a RESTful API, PHP SDK, and more. By using their airline API, you can improve the customer booking experience and streamline operations.
Key Features of AerTicket API
- Booking API
- Flight Alerts
- Seat Availability Checker
- Flight Tracking
- Airport Location Finder
Top Benefits of AerTicket API
- Saves time and reduces errors
- Reduces costs
- Improves online booking experience
- Reduces risk exposure
- Helps make better business decisions

Travel Platform Development with Integrated Services
Online travel platform development can be integrated using other travel services. Online travel booking platforms are also known as online travel agencies (OTAs). It allows users to search for services and book travel services such as:
- Hotel booking
- Flight booking
- Car Rentals booking
- Activity booking
- Cruise booking
- Custom package booking
- Ferry booking
- Skiing activity booking
- Charter booking
- Yacht booking
- Bus booking
- Train booking
OTAs act as middleware platforms between travel suppliers / flight booking api aggregators and customers.
11 Benefits of Integrating a Flight Booking API
1. Real-time Flight Availability & Dynamic Pricing
Using an API to book flights and tying it to an API system gives travel companies access to the schedules, seat inventory, pricing, and fares of hundreds of local and international airlines. If you are using GDS flight API like Amadeus or LCC Airline API for low cost airlines, the customers will get real-time results for every search. Real-time updates improve trust and reliability, protect businesses from refund problems, and strengthen long-term customer ties. This gives travel businesses an edge in the technology-driven travel industry.
2. Seamless Multi-GDS API Connectivity
In order to remain competitive, OTAs and travel agencies need access to a wider variety of suppliers. With Amadeus, Sabre, Travelport, and other flight API integration, you can access a consolidated database containing thousands of flight options over multi GDS API integration. There is no need to manage many dashboards because your booking engine can display unified flight content and allow sorting by duration, price, or airline. In addition to helping you penetrate the market, this improves your offer for cheap flight API fares which raises conversions and repeat site visits.
3. Custom Flight API Integration Solutions
Every travel business operates differently, and one-size-fits-all APIs do not often deliver the best results. Custom flight API integrations are designed to fit your business model, whether it be a B2C OTA, a B2B flight booking portal, or a niche travel platform. We set up APIs with added functionalities such as markup engines, commission control, multi-language support, geo-location targeting, and route-dependent pricing. Working with OneClick, a flight API integration company, gives you the advantage of having your system and workflows closely matched in structure and processes while ensuring security and scalability.
4. Global Reach with Local Relevance
Travel brands must offer both scale and personalization. Our flight API integration services bridge this gap by combining global GDS data with LCC airline APIs to offer rich flight content from full-service and budget carriers alike. This means you can cater to a traveler flying from New York to Dubai as easily as someone booking a short haul from Delhi to Goa. The ability to book flights via API integration that suits your niche audience (luxury, budget, business, or regional) boosts engagement, increases user retention, and lets you compete on both price and value.
5. Streamlined Booking Experience for OTAs
When it comes to booking travel, the user experience is essential. With Flight booking API integration for OTAs, your platform now has access to intelligent search, multi-city itinerary support, PNR generation, e-ticket issuance, and instant cancellation/refund APIs. Today’s users expect a fast and seamless booking experience. The integrated systems also reduce manual errors, speed up processing, and sync without issue to CRM, accounting, and analytics tools. Whether you are a new OTA or scaling up, our flight ticket booking API integration will allow you to automate and scale confidently.
6. Smart Pricing & Policy Control
Advanced travel agencies cannot do without price customization and policy configuration. With NDC airline API integration, travel agencies can connect directly with the airlines to access personalized offers, ancillary services (baggage, meals), and fare bundles. NDC moves away from the traditional GDS models and puts the pricing power in your hands, allowing you to create branded fares, apply customer-specific discounts, and push them targeted offers in real-time. Your platform, alongside flight booking API integration services, can do more than function as a booking engine. It can also become a smart distribution channel aligned with your business goals.
7. Corporate and Travel Agency Solutions
Our travel agency flight booking API solution is built to support the complex needs of corporate travel agents, franchise operators, and offline-to-online agencies. With bulk PNR support, corporate fare access, travel policy filters, and approval workflows, agencies can book faster, reduce overhead, and track every transaction from a centralized backend. Combined with reporting tools, auto-generated invoices, and white-label options, you can scale your B2B offerings with ease. Backed by the best flight booking API providers, this solution simplifies operations while unlocking new revenue streams from corporate clients.
8. End-to-End Automation from Search to Settlement
Integrating flight booking APIs simplifies automation for the entire travel booking lifecycle. A client can conduct a live flight search, and real-time fare updates, confirm, and book tickets, as well as cancel, refund, and reschedule—all of these services can be executed through API calls. This enables a decrease in operational overhead and reliance on manual human work. Your platform becomes quicker, more efficient, and more dependable with full automation. With these enhancements, clients are provided with an effortless booking experience and your team has more time to work on scaling the business and achieving customer satisfaction.
9. Mobile-First Flight Booking Experience
These days, everyone’s on their phone, and travelers are no exception. Because of this, they expect to be able to book their travel while on the move. With the right API integrations, your travel site or mobile applications can offer an effortless mobile-first flight booking experience. Real-time filters, seat selection, fare calendars, and even payment gateways can be integrated through APIs and be made available on your mobile interface. With this, not only does your mobile conversion improve, the user experience is elevated making them-turned from mobile browsers to loyal bookers.
10. Faster Time to Market with Pre-Built API Frameworks
OTAs and startups that are looking to launch quickly now have access to our flight API integration services, complete with pre-built and tested, ready to use frameworks that minimize the overall system development time. With the use of Amadeus, Sabre and Travelport, our developers take care of the integration so all you have to do is sit back and watch your system become compliant, scalable, and ready to go at record speeds. We all know launching early means generating revenue early. With OneClick, that is now a reality and you can go live in a matter of days instead of months.
11. Monetization Opportunities & Flexible Markup Tools
Aside from bookings, our flight booking API integration solutions give you unique monetization opportunities. Markups can be set dynamically by route, airline, season, or even by the customer. Commissions can also be enabled for your sub-agents or affiliates. With API’s integration, upsells for Travel Insurance or luggage can be offered. With affiliate-ready modules and flexible pricing control, you’re not just facilitating bookings but rather, building a smart travel commerce ecosystem that enables greater margins and long-term profitability.
OneClick’s Key Travel Technology Solutions for Startups
OneClick IT Consultancy aims to provide the best service and constantly innovative approach to our clients. Our core expertise in the Travel Technology domain includes:
1) White Label App Development
A Travel White Label Website is a product designed and developed by one company and rebranded by another company under their brand logo. White label travel portal development is a comprehensive online travel booking engine catering to the needs of startup travel agents and online travel companies.
2) Airline API Integration
Airline API Integration allows startup travel agents and online travel companies to connect their Flight booking systems with multiple flight suppliers, aggregators, GDS, and direct airlines.
3) Agent Booking App Development
Travel agents can develop their travel agent portals and integrate multiple flight suppliers. It will help them to get rich flight inventories and competitive rates. Agents can book travel services using their portal instead of using third-party provider portals. Own portal will agents to earn more revenue for all the travel bookings.
4) Travel Mobile App Development
Our skilled and experienced travel technology developers can help startup travel agents and online travel companies for the development of native and cross-platform application development.
5) Loyalty Program Development
The travel loyalty program allows travelers to earn travel points when they register or make a booking on the online travel portal. This unique feature will help to boost the revenue and customer base.
6) Travel Insurance API Development
Nowadays every traveler wants to secure the entire journey. Our skilled and experienced travel technology developers help to integrate any travel insurance API.
7) Payment Gateway Development
Every online travel portal needs to integrate a payment gateway to collect the money from the customer. Our skilled and experienced travel technology developers help to integrate any payment gateway API.
Types of Flight APIs We Integrate
1. Amadeus Flight API Integration
Amadeus stands as one of the leading GDS systems in the world, giving you access to over 400+ full-service and low-cost airlines around the world. Through Amadeus API integration, you can provide flight search in real time, dynamic pricing, seat selection, and even provide baggage information as well as instant PNR creation on your system. It also provides advanced features like fare families and branded fares which makes it a go-to for OTAs and TMCs wishing to expand in international markets seamlessly.
2. Sabre Flight API Integration
Sabre has a significant global distribution network covering 350+ airlines along with advanced tools for travel merchandising. With the integration of Sabre API, you allow users to perform flight searches, check for availability, confirm bookings, manage cancellations, and make changes to itineraries in real time. Sabre APIs are powerful, easy to work with, and designed for agencies that have unique and complex workflows for flight ticketing and related services.
3. Travelport Flight API Integration
Travelport (Galileo, Apollo, Worldspan) provides an all-in-one API suite that supports seamless airline content distribution across geographies. Travelport flight API integration enables access to both LCCs and FSCs, multi-city booking support, fare comparison, seat availability, baggage info, and even ancillary service booking. Travelport is ideal for OTAs, tour operators, and TMCs needing maximum flight content diversity.
4. LCC Airline API Integration
The integration of Low Cost Carriers (LCC) APIs is vital for travel agencies who cater to cost-sensitive travelers. These APIs grant direct access to LCCs such as Ryanair, Indigo, AirAsia, EasyJet and others. Unlike GDS systems, LCC APIs frequently originate from consolidators or airline-hosted systems. We integrate LCC APIs that support fare comparison, extra baggage booking, view of seat maps, and fast ticketing. This is a great way to increase your booking options and profit margins at a low cost.
5. NDC Airline API Integration
New Distribution Capability (NDC) APIs are a next-gen solution launched by IATA to revolutionize airline distribution. By integrating NDC APIs, you gain direct access to personalized flight content, rich media (like seat images), branded fares, and dynamic pricing—straight from the airline, bypassing GDSs. We help travel businesses connect with major airlines that support NDC protocols for a more retail-like booking experience and better customer personalization.
6. Real-Time Flight Booking API Integration
Users today expect instant results. That is why we specialize in real-time flight booking API integration so users can search, compare, book, and pay for a flight with live pricing and availability. Wherever you are pulling data from, be it GDS, LCC, or NDC, our solution always delivers fresh data and minimizes booking, price, and customer drop-off errors. It is perfect for companies that are focused on user journey conversions and streamlined operations.
7. Flight Booking API Integration for OTAs
Online Travel Agencies (OTAs) thrive on speed, convenience, and comprehensive inventory—and that’s exactly what our flight booking API integration delivers. We integrate APIs that empower OTAs to access real-time flight availability, pricing, seat layouts, and instant booking across GDS, NDC, and LCC airlines.
Whether you’re building a flight-only OTA or a multi-product travel portal, our integration ensures:
- Seamless customer booking journey from search to payment
- Cross-selling capabilities with hotel, insurance, or add-ons
- Dynamic packaging support for bundling flights with tours or transfers
- Multi-language and multi-currency compatibility
We tailor every API integration to the OTA’s specific business model—B2B, B2C, or even B2B2C—ensuring scalability and consistent user experience.
8. Custom Flight API Integration Solutions
Every travel business is different, and so are its integration needs. At OneClick, we don’t believe in one-size-fits-all API setups. Instead, we specialize in custom flight API integration solutions designed to match your existing infrastructure, business model, and target geography.
We offer:
- Custom workflows based on GDS, NDC, or airline-hosted systems
- Modular integration with booking engines, mobile apps, or CRMs
- Tailored caching and performance optimization for large-volume searches
- White-label solutions for fast go-to-market launches
- AI-based add-ons for fare prediction or personalized flight recommendations
Whether you’re a startup building from scratch or an enterprise modernizing legacy systems, we create API setups that align with your goals and deliver measurable ROI.
Wrapping up
In the airline industry, it is important to maintain competitiveness; therefore, utilizing an effective API for booking flights is vital. These 10 flight APIs could serve this purpose by offering a way through which developers can include this feature in their products without necessarily possessing any knowledge in web development or coding languages. This integration allows airlines to improve their service offerings and streamline the flight booking process, enhancing both efficiency and customer satisfaction.
ARMi is a fairly effective tool, which was developed for the airline industry. It helps one understand and make decisions that enhance the delivery of efficient retailing services. They revealed that through the help of Airline Retailing Maturity (ARM) index, this technique allows providers to get a competitive edge and to achieve maximum levels of success.
It’s a huge market, and flight APIs fill a long-standing gap for OTAs and travel platforms. If you’re still unsure which provider to choose, refer to this flight API guide for OTAs to evaluate features, pricing, and support all in one place. These 10 flight booking APIs could serve this purpose by offering a way through which the developers can include this feature in the products they are developing without necessarily possessing any knowledge in web development or coding languages.
FAQs
The Flight Booking API is the world’s fastest and the most effective flight booking solution for efficient websites. Currently there is no doubt about the fact that it is safe, reliable and easy to use. Finally, it may also be implemented on the existing web site, which will enable you to provide your clients and employees with a higher quality of service!
It depends on what kind of plan you sign up for but we offer free trials so that you can try them before you buy! Plus, there are no cancellation fees if you decide not to continue after the trial period ends (which means no risk!)
When it comes to Features of Flight Booking API among them are Finding flight in real time, Searching Across multiple carriers, Making a flight booking across different carriers, Integrating with third party booking selling platforms, and more.
Yes! Our API integration works with any existing travel portal system or booking engine, regardless of whether it came from us or not.
It is the connection of a travel agency’s platform or OTA system to a flight inventory system like GDS, LCCs, or NDC systems. Flight booking API integration provides real-time access to needed information. Users can then access available flights, fares, and bookings to search, compare, and book.
OTAs (Online Travel Agencies) benefit from flight booking API integrations by improving operational efficiency and automating processes. With real-time access to GDS, LCCs, and other airlines, inventory and pricing improves, maximizing competitive advantage. Flight booking API integration increases operational efficiency, enabling improved inventory, decreased pricing, and enhanced customer service.
As previously mentioned, there is no one size fits all answer. Amadeus flight API integration, Sabre flight API integration, and Travelport flight API integration are leading APIs and are known for their extensive global inventory. A multi-GDS API integration approach is suggested to ensure wider reach, competitive pricing, and redundancy.
OneClick undertakes custom workflows OTAs, travel startups, and B2B agencies. As a flight API integration company, we offer custom workflows. Some include real-time flight booking API integration, payment processing, and combination modules, i.e., flight+hotel. All tailored to your business model.
Sure, OneClick specializes in LCC API (Low-cost carrier) and NDC API (more personalized and direct content from the airline). We also do LCC airline API integration. With these integrations, clients gain better servicing options and fare transparency.
The flight ticket booking API integration time with respect to the API provider, platform, and required custom features determines the time frame. Thanks to OneClick’s familiarity with flight ticket booking API integration, even basic implementations can be done in 2 to 4 weeks including necessary testing and documentation.
Yes, Of course. Our real time flight booking API integration is reviewed with high security standards such as SSL encryption, PCI-DSS compliance, and tokenization. These security measures guarantee safe booking and payment transactions for end users and OTA businesses.
Sure. Our service allows flight booking API integration so you can create a white label travel portal with full features. This flight booking API allows for API controlled flight booking, inventory management, effortless scaling, and complete brand control over the travel portal.