
Data Studies
Analyses built from the fare data behind this site, refreshed as the data refreshes. Republish with a link.
The Cheapest Month to Fly from Each US Hub
Monthly lows across hundreds of routes, averaged by departure city, with the seasonal gap for each.
The Cheapest Day of the Week to Fly
Day-by-day lows across hundreds of routes show which weekday prices lowest, by how much, and how it varies by city.
Do Nonstop Flights Cost More?
On routes where both a nonstop and a connecting fare were recorded, how often the nonstop is the cheaper ticket, and by how much.

Fares shown are the lowest recorded in our nightly fare snapshot — recorded lows, not live quotes; a licensed agent confirms today's price on the call. Compiled by the WarBird Flight editors; WarBird Flight is independent and not affiliated with any airline. Sources: DOT Office of Aviation Consumer Protection, Bureau of Transportation Statistics.