Our flight booking API integration service connects your travel website or app with global airline systems, giving you access to real-time fares, seat availability, and instant booking capabilities. Whether you're building a new platform or upgrading your existing portal, we offer reliable and scalable solutions for flight booking engine API integration. We work with OTAs, travel agencies, and tour operators looking for flights booking API integration, including support for GDS flight API integration, LCC airline API integration, and NDC airline API integration.
Trusted by 50+ Global Flight Suppliers
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Connected with 20+ Airlines Worldwide
Serving 100+ Travel Tech Clients
The online travel market moves fast and the key to staying ahead lies in offering real-time, accurate, and diverse flight options to your customers. That’s where flights booking API integration makes all the difference.
Your travel application or website can be connected to an airline, consolidator, or systems such as GDS, Amadeus, Sabre, and Travelport via a flight API integration service. This allows users to book and browse flights through a singular interface. No more platform switching.
Whether you want to integrate a multi-GDS API to cover full-service carriers or include LCC airline API integration to offer budget fares, our solutions are built to scale.
We work with:
OTAs launching new portals
Established flight API integration companies upgrading systems
Enterprises looking to expand into new markets with NDC airline API integration or custom flight API integration solutions
No more static fares. No more delayed updates. With OneClick, you get real-time flight booking API integration that works globally and grows with you.
A Flight Booking Engine API is a travel industry specific API which contains programs and applications for a travel agency to access and manage flight inventory and booking services of both local and international suppliers. Airline websites can be very frustrating as users have to fill numerous forms searching for flights. With our API integrated onto your web or mobile application, live flight information including schedules, booking confirmations, seat availability and fares can be obtained instantaneously.
Basically, a flight API is an integration point between airlines, whether legacy or low-cost carriers, travel agents, and end users. It connects to airline reservation systems or GDS (Global Distribution Systems) such as Sabre, Amadeus, and Travelport to gather information and returns it at a single endpoint which makes it streamlined, efficient, and ready for automation.
A well-structured Flight Booking Engine API integration is built on multiple modules that handle everything from search to post-booking. Here’s how the architecture typically looks, broken into essential components:
This is the entry point for all the users. It retrieves available flights in real-time for a given place of departure and arrival, dates, class of travel, and additional filters like non-stop, refundable, preferred airline, among others.
After selecting a flight, this module manages:
Enables secure transactions and supports global payment methods and currencies, tokenized cards for expedited checkout, along with PCI compliance.
Creates and saves the Passenger Name Record post booking, capturing details such as the itinerary, passenger, payment status, and ticket number. Critical for alteration and reissue workflows.
This function takes care of the automatic generation of tickets after receiving payment for the booking. E-tickets and relevant invoices are issued for both the customer and the administrator.
Assists with actions such as:
This structure guarantees that the integration of flight API is not limited only to booking and searching for flights—it automates and syncs in real-time all interactions for the entire travel lifecycle.
Every flight booking API comes with its own coverage, integration, and documentation support. Let's go through the different types and their providers:
The other Amadeus, Travelport and Sabre are considered the leads for the legacy airline inventory market.
IndiGo, SpiceJet and AirAsia are some of the examples that offer APIs directly or through associates.
These are the Platforms like Skyscanner, Kiwi and Duffel which integrate multiple airlines and provide a single API.
Each API serves different business needs. GDSs serve large travel companies and B2B portals best while LCCs are great for domestic focused platforms. Aggregators add speed and simplicity for newer players.
We integrate flight booking APIs into your platform with your cooperation in a single flow with your travel services. If you operate as an OTA, a B2B travel portal, or a corporate booking platform, here is what works for us:
For your travel business, we start with understanding your primary objectives, for example if you wish to drive international flights, focus on LCCs, or on corporate travel planning. We gather information about your market, customer base, and travel API partners to strategize for flight API integration. We focus on major API providers like Amadeus, Sabre, Travelport and LCCs. Your preferred routes, booking volume, and content requirements (GDS vs NDC) drive custom booking API integration strategies. We address off-boarding routes and booking volume, content (GDS vs NDC), and devise a tailored custom flight booking API integration to build streamlined integration execution. This primary phase captures all relevant components and business objectives down to deployment of API endpoints, API keys, exhaust types, fare classes, and timetables ensuring successful tailored build for integration execution.
After we complete the planning phases, we initiate UI/UX design and workflows. This phase is centered on how the real-time flight information (timings, pricing, airline, baggage policies, seating arrangements, etc.) will be displayed on your frontend. We enhance the experience for seamless flight searching, multi-city itinerary building, fare comparisons, applying various filters, and quick completion of the payment process. The flight booking engine User Interface (UI) is customized to your platform's design while ensuring close-to-instant load times and mobile-friendly designs. The answer and the API request-response cycle is translated to the user from a search query to a final booking confirmation. We systematically brainstorm this together.
Now it is time for the real work. Our developers implement secure login controls through API key or OAuth authentication, token creation, and flight API provider interfacing. Depending on the API requirements, we use either JSON or XML and implement essential processes as flight availability queries, PNR creation, pricing checks, booking, ticketing, cancellation, and business logic for cancellations. We also implement business rules for payment gateways, markup, and fare caching in order to optimize speed and reduce the number of API calls made. We continue to test and implement the flight booking system usability on mobile and desktop devices during this phase.
All integrations undergo rigorous testing in the staging environment using real-time and simulated flight data. We create diverse configurations of flight bookings including one-way, round-trip, and multi-city booking to test pricing, availability, and booking flow stability in real-time. We also test for system failures such as fare expiration, stale bookings, and flight API outages. In addition to the above, we test the system's logic on how it applies rules on luggage, special service requests, seat selection, and refunds. This greatly enhances the reliability of your travel portal as it greatly improves the flight booking experience.
After everything is stable and tested, we proceed to deploy the live flight booking API integration. Our work starts with monitoring the integration and continues with closely monitoring the flight booking API integration. We have to track the success rates, the flight booking API response times, and the user interaction data. We also watch for new airline partnerships, new API integrations, or even changes that need to be done. As part of the support team, we assist the customer in scaling the platform, adding other travel services such as hotel booking APIs, visa APIs, or even later incorporating loyalty program APIs.
Features
We provide comprehensive integrations for APIs containing flight booking data for Online Travel Agencies, other travel agencies, and booking systems. Having worked on dozens of airline APIs and GDS systems, our team is agile and able to create optimal solutions for various business models.
We offer everything from simple flight booking APIs to custom systems implementing multi-GDS API integrations. We adapt to client needs and operational objectives.
We strive to make travel business operations easier and growth possible by optimizing everything, from real-time flight booking API integration, to complex functions like advanced admin dashboards fare logic.
Multi-GDS & Airline API Integration
Real-Time Availability & Booking
Multi-Currency & Multi-Language Support
Mobile-Ready APIs
AI Fare Prediction & Smart Filters
Centralized Admin Dashboard
Our platform enables effortless multi-GDS API integration with your portal to major providers such as Amadeus, Sabre, and Travelport. This allows your clients to access full-service airlines globally. In addition to GDS, we also provide airline API integration for low-cost carriers (LCCs) and NDC airline APIs, enabling you to consolidate all fare classes from economy seats on low-cost carriers to premium international seats on intercontinental flights through one streamlined search and booking interface.
Now, with our real-time flight booking API integration, your users can check the schedules, pricing, seat availability and even the fare rules for the flights in real-time. Each time a user searches, the API pulls data in real-time from the airlines and GDS providers, thus avoiding any stale listings or outdated pricing. This is a must for OTAs and travel agencies wanting to provide real-time data and enhance the customer experience during the flight ticket booking API integration process.
As travel companies grow internationally, it becomes important to customize the booking interface. With our custom flight API integration solutions, you can present information in different languages and accept payments in various currencies. This is especially useful for platforms targeting foreign tourists, multilingual markets, or even cross-border regionally focused OTAs. Flight booking engine API integration is done with localization in mind, with customization based on user preferences and geolocation.
Most people now book and search for flights using their mobile phones. For this reason, we focus on mobile-first design with our flight API integration services. Our APIs work with mobile platforms like IOS, Android, and PWAs, so whether it’s a native or responsive web app, integration is seamless. OTAs and other travel agency flight booking API platforms don’t have to compromise on performance or speed, and users get a reliable and efficient cross-device experience.
To enhance booking rates and improve client contentment, we provide in-depth support for fare comparison, dynamic filtering, as well as AI-powered pricing analysis. With AI features added to your flight booking API integration service, your system can suggest cheaper dates, other nearby airports, low-cost fare classes, and much more making it easier for users to get the cheapest flight API results. This will increase your conversions as well.
The backend matters just as much as the front-facing portal. Using our integrated dashboard, admins can manage GDS connections, agents, commissions, user activity, booking history, and even detailed revenue reports. The dashboard makes it easier to manage a single OTA website and multiple agents through a flight booking API integration for OTAs, improving control over operations, performance, and profit.
Connect airlines, compare fares, and book faster with a single API.
Admin
At OneClick, we create backend systems that simplify the management of your flight booking APIs. Our admin dashboard is specifically designed for companies that require an API integration for flight booking to provide seamless, scalable, automated booking systems. Whether you are interfacing with GDS APIs like Amadeus or with some of the low cost carriers, our backend gives you complete control of each and every component from supplier management, pricing, analytics, localization, etc.
Supplier API Integration Dashboard
Dynamic Markup & Commission Control
Real-Time Booking Reports & Performance Insights
GDS and LCC Integration Controls
Support for Multiple Currencies and Languages
Automated Alerts and Notifications for API Errors
Payment Gateway Integration & Settlement Logic
Management of Access and the Sub-Agent Panel
Promo Rules & Fare Adjustments
API Usage Logs & Health Monitoring
From one dashboard, you can keep an eye on and manage all of your flight supplier API integrations. You can easily connect to GDS, NDC, and LCC APIs with configurable modules. This central hub lets you turn on, test, or fix any API, making sure that your flight booking API integration stays fast, reliable, and scalable on both B2B and B2C platforms.
Use rule-based markup and commission tools to customize your revenue plan. Admins can set fare increases based on the route, airline, time of booking, or type of user. This dynamic setup is very important for adding a flight API to your travel portal, especially if you want to reach a wide range of users or run a booking engine for multiple airlines.
Keep an eye on bookings, income trends, and API performance in real time. The backend uses data from your flight API integration to make dashboards that show how many tickets are sold, how many are canceled, and how many refund requests there are. These insights help you choose the best suppliers and make the customer experience better.
Make sure that the APIs for GDS and low-cost carriers work well with your platform. Admins can change the rules, see how many seats are available, and change the prices right from the backend. This makes sure that your GDS API integration can deliver content in real time and at competitive prices in all markets.
If your travel business serves customers from other countries, our backend lets you set up multiple currencies and languages. You can match API responses to the user's language, convert currencies, and make sure that payment options match local standards. This is perfect for global portals that use flight API integration.
Set up alerts for common API problems like low inventory, timeout errors, or failed responses. These notifications in real time help admins quickly fix problems with integration and keep your flight booking portal running smoothly all the time.
Our backend makes it easy to set up and manage sub-agent access if your platform supports B2B sales. Set up commission structures, give out API access rights, and offer white-label options, all from one place with your integrated flight APIs.
You can use the admin panel to give discounts, special fares, or promo codes right away. These rules are linked to your flight booking APIs to make sure that the same offers show up in both search results and booking flows. This is helpful for running seasonal campaigns or loyalty programs.
Watch how many API calls there are, how long they take to respond, and how often they fail. This is important for keeping your integrated APIs healthy and for knowing when a supplier system might be messing up your booking process.
OneClick offers fast, secure, and scalable flight booking API integration for OTAs and travel platforms. From real-time availability to multi-GDS support, we help you go live quickly with global coverage.
Flight booking engine APIs are of great importance to Online Travel Agencies. OTAs need access to real-time information on competing flights, seats, and prices. They can enrich their booking portals by pulling global flight inventories through GDS APIs Amadeus, Sabre, and Travelport. This allows them to automate booking workflows and provide seamless ticketing experiences and real-time best available fares. User-friendliness and scalability for OTAs are made possible through well-executed flight booking API integrations.
Travel aggregators need LCCs, GDSs, and third-party consolidators to gather flight information through multiple APIs. Advanced flight API integrations enable them to aggregate complex pricing, filter multiple routes and provide rapid comparisons across hundreds of airlines. For these platforms, integrating both GDS and non-GDS APIs guarantees broader coverage and reliable results, which is a must in competitive markets.
Google Flights, Kayak, and Skyscanner are examples of meta search engines that do not perform bookings on their own. They pull live fare information and redirect customers to travel agencies or airline sites using deep-linking APIs. These engines are able to provide accurate flight pricing and availability due to robust flight booking API systems. Users are able to find the cheapest or fastest options. Enhancing click-through rates and monetization is achieved with this type of flight booking API integration.
There are travel agents and airline consolidators who serve as the middleman between airline companies and travel agents. They provide bulk flight inventory and custom fare packages via B2B APIs. Through GDS API integration, consolidators can automate ticketing, apply agent-specific pricing rules, and manage markups and commissions efficiently. An integrated flight booking engine also supports multi-currency and multi-language features, broadening their agent network.
Developers that create niche travel apps - such as apps catering to the frequent flyer market, planning business travel, and eco conscious trip planning - require flexible access to APIs. By integrating a flight booking API, developers are able to access flight data, implement a booking engine, and implement filters (e.g. route filters and price alerts) to provide specific information to the user. Whether using a white label API or creating an API from scratch, using a flight booking API helps to streamline the development process and maintain live access to flight data.
B2B resellers work with many sub-agents, franchises or corporate proxies. By integrating a flight booking API they can provide a single dashboard for agents to search and book flights. B2B reseller across travel management systems often include bulk search and booking, additionally they include options as being able to set up a company's custom fare engine, set role based access permission for staff members, and allowing online invoicing and payments. By integrating in a ticketing engine API the B2B flight resellers retain control over their pricing structure, distribution of inventory and reporting.
Niche platforms built for unique travel purposes, such as religious pilgrimage, for students, or for medical tourism, will require customized search filters and curated itineraries. Integrating a flight booking API will allow the niche platforms to showcase pre-negotiated fare options and flexible travel dates, or multi-city itineraries based on the needs of the traveler. The ability to use GDS or NDC based APIs will also allow the niche platforms to sell the value-added enhancements including baggage add-ons, flexible cancellations, and targeted deals and discounts.
To start, we explore your business model and obtain credentials from the airline, GDS, or LCC.
At this point, we establish your technical workflow--how you are integrating with us (e.g. direct vs. aggregator), caching model, how to handle normalization of search response, etc.
Your front end receives a flight search, the filtering, fare rules, seat maps, and other. The back end, we setup the tokens, fare logic, and cancellation rules.
In this stage we run through sandbox testing followed by edge case quality assurance, as well as the certification process for the API provider before going live.
At this point, we are live and we monitor performance and continue to support you in terms of updates, airline connectivity and enhancement.
Our team has extensive, hands-on experience working with major GDSs (Sabre, Amadeus, Galileo) and direct integrations with LCCs. We've developed products for traditional OTAs, tour operators, B2B travel wholesaler and regional aggregators. This advance domain knowledge results in a faster build and more intelligent configuration.
Whether you want to work with traditional airlines or LCCs, we provide hybrid options with multiple API connections. Your booking platform can be built to always have the best prices and availability to remain competitive.
We do not offer “cookie cutter” solutions. From multi -city searches, fare class filtering, PNR searching and management, markup engines etc... all features are tailored to the business model of your platform.
We decrease your time to market because of our pre-made travel modules and our agile sprint cycles. This will significantly decrease your time to launch. You can expect a working MVP in weeks and optional iterations thereafter for post deployment.
Our back-end architecture can support concurrent users, significant search traffic, secure transactions and real-time fare caching - built to perform even under peak hours.
We don't simply integrate the API, we also help you run the API efficiently. Our SLAs cover uptime monitoring, Airlines, inventory mapping, and customer support assistance.
Booking Combination
In the case of flight booking API integration, we do not only link your portal and global airlines—we help you construct full, modular travel booking ecosystems. Whether you're designing a B2B flight booking portal, an OTA platform, or a custom mobile app, our team uses APIs in even more inventive ways to create enhanced services that help cultivate travel bookings. By integrating flight booking engine API with other services like hotels, transfers, and tours, you will allow your travel platform to be much more than an air flight finder, you will have a complete trip planning tool.
Depending on the type of API (GDS, LCC, aggregator) and the complexity of your platform, it can take anywhere from 2-6 weeks.
Yes. We regularly design multi-source search engines, merging results from multiple APIs, such as Sabre + TravelFusion or Amadeus + LCC APIs.
Yes. We offer both customized builds and white-label. Your branding, markup engine and business rules can easily be included.
For back-end we typically use Node.js and MongoDB, for front-end React.js or Angular and we integrate payment gateways like Stripe, Razorpay or PayPal.
Yes, for any payment processing features, we follow strict PCI-DSS standards to ensure user data and transaction safety.
Absolutely, we provide multi-language and multi-currency modules to serve global customers.
Real-time flight booking API integration enables your travel platform to access current flight schedules, seat availability, prices, and immediate booking confirmations across multiple airline services. Key components are secure authentication, connectivity to GDS or LCC API services, multi-currency and multi-language support, caching for performance, and dynamic pricing.
An example of the flight booking API integration steps could look something like following flow:
Choose a suitable API provider (GDS, LCC, or NDC).
Get your API keys and documentation.
Setup secure endpoints and authentication processes.
Integrate the APIs for flight search, availability, and booking into your travel agent or agency platform.
Test it by using staging credentials.
Go live once outlet has completed UAT (User Acceptance Testing) and airline has completed compliance.
By connecting your system to several global distribution systems (Amadeus, Sabre, Travelport, etc...) Multi-GDS API integration enables users to access a wider range of airlines, routes, and offers. The benefits of implementing a Multi-GDS API integration are as follows:
Larger flight inventory
More competitive fare ranges
Support for both international and low-cost carriers
Higher booking success rates
NDC (New Distribution Capability) API integration allows travel platforms to connect directly to airlines, using XML communication flows defined by IATA. This enables travel partners to bypass GDSs (Global Distribution Systems) using the airlines own XML standards to get access to personalized fares, seat maps, ancillary services, and upsells all available in the travel platform's booking interface.
NDC API integration can distinguish your travel platform through:
Direct connections to airlines (no middle layer)
Personalized pricing and offers
Access to bundled offers (seats, meals, baggage)
Faster response times
Improved customer experience and upsell opportunities
LCC (low-cost carrier) airline API integration connects your booking platform directly to low-cost airlines such as Ryanair, IndiGo, AirAsia, and many others. It is substantial for:
Identifying low-cost, price affected travelers
Broader flight options with regional, low-cost carriers
Providing mixed itinerary options with GDS and non- GDS airlines.