Cheap flights from St. Louis to San Antonio from £56

Travelers frequently search for route combinations, such as St. Louis and London, Las Vegas, Orlando, Cancún, Denver, Los Angeles, San Francisco, Mexico City, Cali, Buenos Aires, Ottawa, Lima, Toronto, Edmonton, San José, Reykjavik, Kelowna, Tuxtla Gutiérrez, Sydney, Fort Lauderdale.

Travelers frequently search for route combinations, such as San Antonio and London, Mexico City, Orlando, Las Vegas, Los Angeles, Monterrey, Guadalajara, Denver, Bangkok, Puerto Vallarta, Cancún, Toronto, Washington, D.C., Dallas, Manila, Mérida, Lima, Santiago de Querétaro, New York, La Paz.

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Evansville Regional, Abraham Lincoln Capital, Central Illinois Regional, MidAmerica St. Louis, Waynesville-St. Robert Regional, Cape Girardeau Regional, Columbia Regional, Barkley Regional.

The main airport in San Antonio is San Antonio International. It is also served by Austin–Bergstrom International, San Antonio International, Nuevo Laredo International, Laredo International, Corpus Christi International, Piedras Negras International, Victoria Regional, Killeen–Fort Hood Regional, Easterwood.

Currently, you can fly between St. Louis and San Antonio with United Airlines, Frontier Airlines, Spirit Airlines, Southern Airways Express, WestJet.

If you don’t have specific dates for your trip between St. Louis and San Antonio, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between St. Louis and San Antonio, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, General Wayne A. Downing Peoria International, Evansville Regional, Abraham Lincoln Capital, Central Illinois Regional, MidAmerica St. Louis, Waynesville-St. Robert Regional, Cape Girardeau Regional, Columbia Regional, Barkley Regional

There are a number of airports in and around San Antonio. The main one is San Antonio International and other nearby airports include Austin–Bergstrom International, San Antonio International, Nuevo Laredo International, Laredo International, Corpus Christi International, Piedras Negras International, Victoria Regional, Killeen–Fort Hood Regional, Easterwood.