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Cheap flight deals from St. Louis to San Antonio Starting at €88

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        STL08:40 am
        2h 25m
        Nonstop
        SAT11:05 am
        Sat, Mar 15|St. Louis - San Antonio|Southwest Airlines
        €674€887
        24% OFF
        24% OFF
        €887€674

        Choose Southwest Airlines flights from St. Louis to San Antonio. The one-way direct flight with Southwest Airlines departs from St. Louis Lambert International Airport on Sat, Mar 15, arriving at San Antonio International Airport. One-way Prices start from €674 including taxes and charges.

      • STL07:07 pm
        5h 20m
        1 stop
        SAT12:27 am
        Thu, Mar 6|St. Louis - San Antonio|Delta Air Lines
        €88€887
        90% OFF
        90% OFF
        €887€88

        Choose Delta Air Lines flights from St. Louis to San Antonio. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Thu, Mar 6, arriving at San Antonio International Airport. One-way Prices start from €88 including taxes and charges.

      • STL07:10 pm
        5h 27m
        1 stop
        SAT12:37 am
        Mon, Mar 24|St. Louis - San Antonio|Delta Air Lines
        €90€887
        90% OFF
        90% OFF
        €887€90

        Choose Delta Air Lines flights from St. Louis to San Antonio. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Mon, Mar 24, arriving at San Antonio International Airport. One-way Prices start from €90 including taxes and charges.

      • STL04:45 pm
        5h 28m
        1 stop
        SAT10:13 pm
        Mon, Mar 10|St. Louis - San Antonio|Delta Air Lines
        €90
        €90

        Choose Delta Air Lines flights from St. Louis to San Antonio. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Mon, Mar 10, arriving at San Antonio International Airport. One-way Prices start from €90 including taxes and charges.

      • STL06:00 am
        5h 35m
        1 stop
        SAT11:35 am
        Wed, Apr 2|St. Louis - San Antonio|Delta Air Lines
        €91
        €91

        Choose Delta Air Lines flights from St. Louis to San Antonio. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Wed, Apr 2, arriving at San Antonio International Airport. One-way Prices start from €91 including taxes and charges.

      • STL04:40 pm
        7h 47m
        1 stop
        SAT12:27 am
        Tue, Mar 4|St. Louis - San Antonio|Delta Air Lines
        €91
        €91

        Choose Delta Air Lines flights from St. Louis to San Antonio. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Tue, Mar 4, arriving at San Antonio International Airport. One-way Prices start from €91 including taxes and charges.

      • STL04:40 pm
        7h 47m
        1 stop
        SAT12:27 am
        Wed, Mar 5|St. Louis - San Antonio|Delta Air Lines
        €91
        €91

        Choose Delta Air Lines flights from St. Louis to San Antonio. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Wed, Mar 5, arriving at San Antonio International Airport. One-way Prices start from €91 including taxes and charges.

      • STL11:08 pm
        17h 50m
        1 stop
        SAT04:58 pm
        Thu, Feb 27|St. Louis - San Antonio|Frontier Airlines
        €92
        €92

        Choose Frontier Airlines flights from St. Louis to San Antonio. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Thu, Feb 27, arriving at San Antonio International Airport. One-way Prices start from €92 including taxes and charges.

      • STL04:40 pm
        7h 47m
        1 stop
        SAT12:27 am
        Fri, Feb 28|St. Louis - San Antonio|Delta Air Lines
        €104
        €104

        Choose Delta Air Lines flights from St. Louis to San Antonio. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Fri, Feb 28, arriving at San Antonio International Airport. One-way Prices start from €104 including taxes and charges.

      • STL05:30 pm
        7h 7m
        1 stop
        SAT12:37 am
        Tue, Mar 11|St. Louis - San Antonio|Delta Air Lines
        €107
        €107

        Choose Delta Air Lines flights from St. Louis to San Antonio. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Tue, Mar 11, arriving at San Antonio International Airport. One-way Prices start from €107 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        SAT02:00 pm
        Wed, Feb 26|St. Louis - San Antonio|Southwest Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

St. Louis to San Antonio Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2121

    United Airlines

    04:30 pm

    STL

    2.3h

    06:46 pm

    IAH

    SMTWTFS
    Search

  2. UA2142

    United Airlines

    10:08 pm

    IAH

    1.1h

    11:15 pm

    SAT

    SMTWTFS

  3. UA2121

    United Airlines

    04:30 pm

    STL

    2.3h

    06:46 pm

    IAH

    SMTWTFS
    Search

  4. UA2338

    United Airlines

    08:25 pm

    IAH

    1.2h

    09:37 pm

    SAT

    SMTWTFS

  5. UA1156

    United Airlines

    05:29 pm

    STL

    1.4h

    06:50 pm

    ORD

    SMTWTFS
    Search

  6. UA1504

    United Airlines

    07:55 pm

    ORD

    3.3h

    11:10 pm

    SAT

    SMTWTFS

  7. DL1485

    Delta Air Lines

    05:40 pm

    STL

    1.8h

    08:25 pm

    ATL

    SMTWTFS
    Search

  8. DL2893

    Delta Air Lines

    06:45 pm

    ATL

    2.6h

    08:20 pm

    SAT

    SMTWTFS

  9. UA6199

    United Airlines

    06:15 am

    STL

    2.4h

    08:41 am

    IAH

    SMTWTFS
    Search

  10. UA2337

    United Airlines

    10:15 am

    IAH

    1.2h

    11:27 am

    SAT

    SMTWTFS

  11. DL1597

    Delta Air Lines

    06:30 am

    STL

    1.5h

    08:02 am

    MSP

    SMTWTFS
    Search

  12. DL2667

    Delta Air Lines

    09:05 am

    MSP

    3.0h

    12:08 pm

    SAT

    SMTWT-S

  13. DL1626

    Delta Air Lines

    06:45 am

    STL

    1.5h

    09:15 am

    DTW

    SMTWTFS
    Search

  14. DL788

    Delta Air Lines

    08:50 am

    DTW

    3.4h

    11:14 am

    SAT

    SMTWTFS

  15. DL1393

    Delta Air Lines

    07:10 pm

    STL

    1.7h

    09:50 pm

    ATL

    S--WT-S
    Search

  16. DL1508

    Delta Air Lines

    10:50 pm

    ATL

    2.6h

    12:24 am

    SAT

    SMTWTFS

  17. UA6223

    United Airlines

    08:40 am

    STL

    2.4h

    11:03 am

    IAH

    SMTWTF-
    Search

  18. UA2378

    United Airlines

    12:15 pm

    IAH

    1.2h

    01:27 pm

    SAT

    SMTWTFS

  19. DL1571

    Delta Air Lines

    10:10 am

    STL

    1.6h

    12:46 pm

    ATL

    SMTWTFS
    Search

  20. DL2009

    Delta Air Lines

    01:50 pm

    ATL

    2.6h

    03:24 pm

    SAT

    SMTWT-S
Find more flights and airlines

When is the cheapest time to fly from St. Louis to San Antonio?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from St. Louis (STL) to San Antonio (SAT) the cheapest?

    Airlines adjust prices for flights from St. Louis to San Antonio based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to San Antonio (SAT) cost?

    According to Trip.com's data, the lowest price is around €314.

  • How long does it take to fly from St. Louis (STL) to San Antonio (SAT) and what is the distance?

    It takes around 2 hours 25 minutes to fly from St. Louis (STL) to San Antonio (SAT).

  • What is the transportation method from the main airport to downtown in San Antonio?

    • The distance from San Antonio International Airport to downtown is about 12 km. It takes about 30 minutes by taxi.

  • What are the most popular airlines that fly from St. Louis (STL) to San Antonio (SAT)?

    Airlines with flights from St. Louis (STL) to San Antonio (SAT): Southwest Airlines.

How to find a cheap flight from St. Louis to San Antonio

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to San Antonio. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | St. Louis to San Antonio

Cheapest nonstop flight price€88
Cheapest round-trip ticket price€225
Off-season for travelFebruary
Peak season for travelMay
Flight distance1,264.51 km
Average flight time2 hours 25 minutes
Popular airlineUnited Airlines

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