Search for one-way or round-trip flights. Returns prices, airlines, durations, stops, aircraft, emissions, and price context (low/typical/high).

Search for multi-city (multi-leg) flight itineraries. Supports 2-5 segments.

Find the cheapest travel dates for a route within a date range. Scans multiple departure dates.

Get a full calendar of daily flight prices (~60 days). Single API call, no scanning. Shows cheapest dates at a glance.

Compare prices across economy, premium economy, business, and first class for the same route in one call.

Track a flight price over time. Records the current cheapest price and reports if it has gone up, down, or stayed stable since last check.

View the recorded price history for a tracked route. Shows all past observations and the trend.

List all routes currently being price-tracked, with their last known price and number of observations.

Look up airport IATA codes by city name, airport name, or country. Searches 8,800+ airports.

Find alternative airports near a given airport within a radius. Useful for finding cheaper flights from nearby cities.

Generate a direct Google Flights URL for a route. Users can click to view and book flights in their browser.

Analyze layover quality for connecting flights. Reports connection time, risk level (tight/comfortable/long), and aircraft details.