$23 Find Cheap Flights from St. Louis to Alabama - Compare and Save

The cheapest ticket to Alabama from St. Louis found in the last 5 days was to Montgomery, at $448 round-trip. The most popular route is from St. Louis (STL) to Montgomery (MGM), and the cheapest round-trip airline ticket found on this route in the last 5 days was $448.

The cheapest month for flights from St. Louis to Alabama is September, when tickets cost $308 (return) on average. On the other hand, the most expensive months are January and March, when the average cost of round-trip tickets is $480 and $425 respectively.

There are 2 airlines that fly nonstop from St. Louis to Alabama. They are American Airlines and Allegiant Air. The cheapest airline for this route is Allegiant Air, with the best round-trip deal found costing $118 and arriving in Gulf Shores (GUF). On average, Allegiant Air offers the best prices for nonstop flights between St. Louis and Alabama.

In the past 5 days, the cheapest round-trip tickets from St. Louis to Alabama were found on Frontier ($60) and Southwest ($279).

The duration of a flight to Alabama depends on your arrival airport. The shortest routes to Alabama from St. Louis are to Birmingham, which takes 3h 18m, and Huntsville, which takes 6h 22m.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.