$48 Find Cheap Flights to Alton - Compare and Save

In the last 5 days, the cheapest flight deal to St. Louis was found on the route from Denver, at $117 return. The most popular connection is from New York to St. Louis and KAYAK users have found round-trip deals for as low as $258 in the last 5 days.

Many airlines fly to St. Louis, the most common ones being Southwest, American Airlines, and United Airlines. See the amount of flights per week for popular airlines flying to St. Louis.

You cannot fly directly to Alton. KAYAK recommends you fly to Lambert-St Louis (STL) (13.92 miles from Alton). From there you can rent a car or get a taxi.

The closest airport is Lambert-St Louis (STL) (13.92 mi). Another nearby airport is Springfield Capital (SPI) (71.17 mi). KAYAK recommends you fly to Lambert-St Louis.

Central St. Louis is 13 miles away from Lambert-St Louis Airport.

St. Louis is served by Lambert-St Louis Airport, also commonly referred to as Lambert Field, Lambert-St Louis, St. Louis Lambert, or St. Louis Lambert Intl. The airport code is STL.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Alton.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Alton is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Alton with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Alton up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.