Cheap Flights from St. Louis to West San Antonio

View €114 flight on Mon, 28 Jul 2025Opens in a new window

Popular airlines from St. Louis to West San Antonio

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • British Airways

    British Airways

  • Turkish Airlines

    Turkish Airlines

  • American Airlines

    American Airlines

  • Air Serbia

    Air Serbia

  • Swiss International Air Lines

    Swiss International Air Lines

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Cheap flights from St. Louis to West San Antonio (STL-SAT)

Prices were available within the past 7 days and start at €114 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from St. Louis (STL) to San Antonio (SAT)

September is typically the cheapest month to fly

From €110 - €320 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.