API for comparing flight prices across platforms.
Compare Flight Prices API is a free Transportation API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Cruise sailings, day-by-day itineraries, weekly fare history, port traffic and a cruise price index
Yes. The Compare Flight Prices API is listed in the Transportation category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The Compare Flight Prices API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Compare Flight Prices API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Compare Flight Prices API is served over HTTPS, so it's safe to use in production.