Flights API

Data assembled exclusively using data from our API.

• Find the cheapest way from Seattle to Washington DC on July 1, including the one-stop routings booking sites bury.

• Pull the full fare ladder for Alaska 2, from Saver to First, with the seats remaining in each class.

• Show which flights to Orlando this weekend are nearly sold out and which still have cheap seats.

• Track how the fare on a Labor Day flight to Denver has moved every day since it went on sale.

• List every carrier flying Boston to Chicago tomorrow with the departure time and lowest fare on each.

• Compare the gap between basic economy and main cabin across carriers on the same route.

• Find the cheapest day to fly San Francisco to Austin over the next 60 days.

• Flag flights where only a seat or two is left at the lowest fare, before the price steps up.

• Look up commuter and essential air service routes, down to nine-seat operators, with the same schedule and fare detail.

• Watch a route through the holidays and catch the day fares drop or seats start running out.

A unit is a fixed amount of compute work. Cheap calls like fetching a single flight cost 1 unit, while heavier calls like a full route search cost more. Every route has a fixed documented cost, and each response includes headers showing what the call cost and how many units you have left.