$70+ Cheap flights from Missouri to San Antonio (SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAT
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to San Antonio
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Cheapest flights from Missouri to San AntonioExplore the most affordable flight options available from Missouri to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
Explore the most affordable flight options available from Missouri to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:51 pm
STL
- SAT
1 stop25h 23m
Frontier
Sun 5/107:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 3/31![Frontier logo]()
$151
This CheapOair deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- SAT
1 stop17h 56m
Frontier
Sat 5/98:59 pm
SAT
- STL
1 stop14h 22m
Frontier
Deal found 4/1![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:34 pm
MCI
- SAT
1 stop28h 25m
Frontier
Wed 5/277:54 pm
SAT
- MCI
1 stop17h 55m
Frontier
Deal found 3/31![Frontier logo]()
$188
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- SAT
1 stop24h 54m
Frontier
Mon 5/43:00 pm
SAT
- MCI
1 stop22h 49m
Frontier
Deal found 3/31![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:21 pm
STL
- SAT
1 stop22h 53m
Frontier
Mon 6/87:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 3/31![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:18 pm
STL
- SAT
1 stop22h 56m
Frontier
Sun 5/177:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 3/31![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:34 pm
MCI
- SAT
1 stop28h 25m
Frontier
Tue 5/267:54 pm
SAT
- MCI
1 stop17h 55m
Frontier
Deal found 3/31![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- SAT
1 stop24h 54m
Frontier
Tue 5/57:54 pm
SAT
- MCI
1 stop17h 55m
Frontier
Deal found 3/31![Frontier logo]()
$207
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:51 pm
MCI
- SAT
1 stop23h 22m
Frontier
Sat 5/24:04 pm
SAT
- MCI
1 stop21h 26m
Frontier
Deal found 3/28![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:21 pm
STL
- SAT
1 stop22h 53m
Frontier
Sun 6/78:59 pm
SAT
- STL
1 stop23h 27m
Frontier
Deal found 3/31![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:16 pm
STL
- SAT
1 stop7h 58m
Frontier
Thu 5/218:59 pm
SAT
- STL
1 stop23h 27m
Frontier
Deal found 3/31![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- SAT
1 stop24h 54m
Frontier
Sat 5/24:04 pm
SAT
- MCI
1 stop21h 26m
Frontier
Deal found 3/31![Frontier logo]()
$219
Best flights from Missouri to San AntonioDiscover carefully curated flight deals from Missouri to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
Discover carefully curated flight deals from Missouri to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
STL
- SAT
1 stop4h 47m
United Airlines
Sat 5/96:49 am
SAT
- STL
1 stop7h 43m
United Airlines
Deal found 3/31![United Airlines logo]()
$286
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:10 pm
MCI
- SAT
Nonstop2h 10m
Southwest
Sun 6/74:20 pm
SAT
- MCI
1 stop7h 50m
Southwest
Deal found 3/30![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3012:20 pm
MCI
- SAT
1 stop8h 21m
Delta
Tue 7/75:20 am
SAT
- MCI
1 stop5h 51m
Delta
Deal found 3/31![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:21 pm
COU
- SAT
1 stop6h 35m
American Airlines
Sat 5/93:11 pm
SAT
- COU
1 stop4h 02m
American Airlines
Deal found 3/29![American Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:21 pm
SGF
- SAT
2 stops26h 48m
Multiple Airlines
Thu 4/1612:46 pm
SAT
- SGF
1 stop22h 45m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$533
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:49 pm
SGF
- SAT
1 stop5h 55m
Delta
Mon 6/84:12 pm
SAT
- SGF
1 stop5h 57m
Delta
Deal found 3/29![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:05 pm
MCI
- SAT
1 stop3h 25m
Southwest
Mon 4/2712:55 pm
SAT
- MCI
Nonstop1h 55m
Southwest
Deal found 4/1![Southwest logo]()
$315
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:00 am
COU
- SAT
1 stop7h 12m
United Airlines
Tue 6/305:23 pm
SAT
- COU
1 stop5h 58m
United Airlines
Deal found 3/30![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:54 pm
SGF
- SAT
1 stop4h 02m
American Airlines
Sat 4/255:00 am
SAT
- SGF
1 stop4h 24m
American Airlines
Deal found 3/31![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:15 am
STL
- SAT
1 stop7h 51m
Delta
Mon 5/256:21 pm
SAT
- STL
1 stop5h 38m
Delta
Deal found 3/30![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:55 pm
MCI
- SAT
Nonstop2h 10m
Southwest
Sun 4/266:10 am
SAT
- MCI
1 stop3h 55m
Southwest
Deal found 3/29![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
STL
- SAT
1 stop4h 50m
United Airlines
Sat 4/185:30 am
SAT
- STL
2 stops6h 52m
United Airlines
Deal found 4/1![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:16 am
COU
- SAT
2 stops10h 42m
American Airlines
Tue 5/56:00 am
SAT
- COU
2 stops9h 58m
American Airlines
Deal found 3/29![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:58 pm
SGF
- SAT
1 stop5h 26m
Delta
Sun 8/94:12 pm
SAT
- SGF
1 stop5h 58m
Delta
Deal found 3/31![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:02 am
COU
- SAT
1 stop7h 55m
United Airlines
Mon 4/202:02 pm
SAT
- COU
1 stop7h 59m
United Airlines
Deal found 4/1![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:55 pm
MCI
- SAT
Nonstop2h 10m
Southwest
Sun 5/316:55 pm
SAT
- MCI
1 stop5h 30m
Southwest
Deal found 4/1![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 am
SGF
- SAT
1 stop7h 21m
Delta
Mon 7/612:05 pm
SAT
- SGF
1 stop6h 07m
Delta
Deal found 3/31![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:28 pm
COU
- SAT
1 stop7h 31m
American Airlines
Sun 4/197:00 am
SAT
- COU
1 stop4h 35m
American Airlines
Deal found 3/31![American Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
STL
- SAT
1 stop4h 50m
United Airlines
Sun 4/266:02 pm
SAT
- STL
1 stop4h 26m
United Airlines
Deal found 4/2![United Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:10 am
STL
- SAT
Nonstop2h 05m
Southwest
Sun 6/74:20 pm
SAT
- STL
1 stop7h 35m
Southwest
Deal found 4/2![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:55 pm
SGF
- SAT
1 stop5h 51m
Delta
Sat 4/255:20 am
SAT
- SGF
1 stop5h 41m
Delta
Deal found 4/2![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:58 pm
JLN
- SAT
1 stop6h 44m
United Airlines
Sun 5/316:40 am
SAT
- JLN
1 stop6h 42m
United Airlines
Deal found 3/28![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:55 pm
STL
- SAT
Nonstop2h 20m
Southwest
Sat 5/237:40 am
SAT
- STL
Nonstop2h 10m
Southwest
Deal found 3/31![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
SGF
- SAT
1 stop6h 12m
United Airlines
Tue 6/95:18 pm
SAT
- SGF
1 stop5h 54m
United Airlines
Deal found 3/29![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:05 pm
MCI
- SAT
1 stop3h 25m
Southwest
Sun 4/126:10 am
SAT
- MCI
1 stop3h 55m
Southwest
Deal found 4/1![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:41 pm
MCI
- SAT
1 stop5h 57m
Delta
Wed 4/810:50 am
SAT
- MCI
1 stop6h 44m
Delta
Deal found 3/28![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:59 pm
STL
- SAT
1 stop5h 39m
Delta
Wed 4/810:50 am
SAT
- STL
1 stop5h 26m
Delta
Deal found 4/1![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
MCI
- SAT
2 stops7h 08m
United Airlines
Sun 4/125:30 am
SAT
- MCI
1 stop3h 59m
United Airlines
Deal found 4/1![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:45 pm
STL
- SAT
Nonstop2h 20m
Southwest
Sun 5/105:00 pm
SAT
- STL
Nonstop2h 10m
Southwest
Deal found 4/2![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
MCI
- SAT
2 stops7h 08m
United Airlines
Tue 5/56:02 pm
SAT
- MCI
1 stop4h 27m
United Airlines
Deal found 3/31![United Airlines logo]()
$360
Last-minute flights from Missouri to San AntonioDiscover last-minute flight deals from Missouri to San Antonio. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to San Antonio. Data last updated April 2, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:59 pm
STL
- SAT
1 stop24h 36m
Frontier
Mon 4/201:51 pm
SAT
- STL
1 stop9h 28m
Frontier
Deal found 3/31![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:51 pm
MCI
- SAT
1 stop23h 22m
Frontier
Sat 5/24:04 pm
SAT
- MCI
1 stop21h 26m
Frontier
Deal found 3/28![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- SAT
1 stop24h 54m
Frontier
Mon 5/43:00 pm
SAT
- MCI
1 stop22h 49m
Frontier
Deal found 3/31![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- SAT
1 stop24h 54m
Frontier
Tue 5/57:54 pm
SAT
- MCI
1 stop17h 55m
Frontier
Deal found 3/31![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- SAT
1 stop24h 54m
Frontier
Sat 5/24:04 pm
SAT
- MCI
1 stop21h 26m
Frontier
Deal found 3/31![Frontier logo]()
$219
This CheapOair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:15 pm
MCI
- SAT
1 stop24h 54m
Frontier
Mon 5/43:00 pm
SAT
- MCI
1 stop22h 49m
Frontier
Deal found 4/2![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- SAT
1 stop17h 56m
Frontier
Sat 5/98:59 pm
SAT
- STL
1 stop14h 22m
Frontier
Deal found 4/1![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:51 pm
STL
- SAT
1 stop25h 23m
Frontier
Sun 5/107:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 3/31![Frontier logo]()
$151
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:16 pm
STL
- SAT
1 stop7h 58m
Frontier
Thu 5/218:59 pm
SAT
- STL
1 stop23h 27m
Frontier
Deal found 3/31![Frontier logo]()
$217
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:18 pm
STL
- SAT
1 stop22h 56m
Frontier
Sun 5/177:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 3/31![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:34 pm
MCI
- SAT
1 stop28h 25m
Frontier
Wed 5/277:54 pm
SAT
- MCI
1 stop17h 55m
Frontier
Deal found 3/31![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:34 pm
MCI
- SAT
1 stop28h 25m
Frontier
Tue 5/267:54 pm
SAT
- MCI
1 stop17h 55m
Frontier
Deal found 3/31![Frontier logo]()
$204
One-way flights from Missouri to San AntonioSearch for one-way flight options from Missouri to San Antonio. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
Search for one-way flight options from Missouri to San Antonio. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Frontier deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:16 pm
STL
- SAT
1 stop7h 58m
Frontier
Deal found 4/1![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Deal found 4/1![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:17 pm
STL
- SAT
1 stop22h 42m
Frontier
Deal found 4/1![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:17 pm
STL
- SAT
1 stop18h 52m
Frontier
Deal found 3/31![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:34 pm
MCI
- SAT
1 stop28h 25m
Frontier
Deal found 4/2![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Deal found 4/1![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:34 pm
MCI
- SAT
1 stop28h 25m
Frontier
Deal found 4/2![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Deal found 3/31![Frontier logo]()
$95
This Trip.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:55 pm
STL
- SAT
1 stop19h 36m
Frontier
Deal found 4/1![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- SAT
1 stop24h 54m
Frontier
Deal found 4/1![Frontier logo]()
$102
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:55 pm
STL
- SAT
1 stop21h 35m
Frontier
Deal found 3/31![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:08 pm
STL
- SAT
1 stop22h 48m
Frontier
Deal found 4/1![Frontier logo]()
$104
Find flight deals from Missouri to San Antonio
Keep the following information in mind while searching for Missouri to San Antonio flight deals. Data was last updated April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $151 (CheapOair) |
One-way from | $70 (Frontier) |
Popular in | November |
Cheapest in | May |
Average price | $375 |
Good round-trip deal | $325 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2026.
Use the filters below to find and compare flights from Missouri to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Fri 5/8
6:00 am-10:47 am
1 stop4h 47m
San Antonio
Sat 5/9
6:49 am-2:32 pm
1 stop7h 43m
$286
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Wed 6/3
3:10 pm-5:20 pm
Nonstop2h 10m
San Antonio
Sun 6/7
4:20 pm-12:10 am
1 stop7h 50m
$296
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Tue 6/30
12:20 pm-8:41 pm
1 stop8h 21m
San Antonio
Tue 7/7
5:20 am-11:11 am
1 stop5h 51m
$301
SpringfieldSan Antonio
SGF - SAT
SGFSAT
Springfield-Branson
Wed 6/3
6:49 pm-12:44 am
1 stop5h 55m
San Antonio
Mon 6/8
4:12 pm-10:09 pm
1 stop5h 57m
$304
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Thu 5/21
7:15 am-3:06 pm
1 stop7h 51m
San Antonio
Mon 5/25
6:21 pm-11:59 pm
1 stop5h 38m
$305
SpringfieldSan Antonio
SGF - SAT
SGFSAT
Springfield-Branson
Thu 8/6
6:58 pm-12:24 am
1 stop5h 26m
San Antonio
Sun 8/9
4:12 pm-10:10 pm
1 stop5h 58m
$309
SpringfieldSan Antonio
SGF - SAT
SGFSAT
Springfield-Branson
Fri 7/3
6:00 am-1:21 pm
1 stop7h 21m
San Antonio
Mon 7/6
12:05 pm-6:12 pm
1 stop6h 07m
$309
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Fri 4/24
8:05 pm-11:30 pm
1 stop3h 25m
San Antonio
Mon 4/27
12:55 pm-2:50 pm
Nonstop1h 55m
$315
ColumbiaSan Antonio
COU - SAT
COUSAT
Columbia Regional
Wed 5/6
5:21 pm-11:56 pm
1 stop6h 35m
San Antonio
Sat 5/9
3:11 pm-7:13 pm
1 stop4h 02m
$318
ColumbiaSan Antonio
COU - SAT
COUSAT
Columbia Regional
Thu 6/18
5:00 am-12:12 pm
1 stop7h 12m
San Antonio
Tue 6/30
5:23 pm-11:21 pm
1 stop5h 58m
$318
Showing 1-10 of 56 resultsSorted by cheapest first
Best time to book a flight from Missouri to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Missouri with our price prediction graph.
STL-SAT
MCI-SAT
COU-SAT
SGF-SAT
JLN-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missouri to San Antonio
USMO-SAT
STL-SAT
MCI-SAT
COU-SAT
SGF-SAT
What is the cheapest month to book a flight from Missouri to San Antonio?
Currently, May is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $122). Flying from Missouri to San Antonio in March is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MO to SAT?
Find hourly flight availability from Missouri to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2026.
When flying from Missouri to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 38% versus a flight in the evening.
How much does it cost to fly round-trip from Missouri to San Antonio?
Related info for your journey
Find useful and relevant information for your journey from Missouri to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Missouri to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to San Antonio by cabin class
Find flights from Missouri to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and San Antonio flights
Browse other Missouri and San Antonio flight options. Last updated on April 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 2, 2026.
Missouri to San Antonio flights
Consider these flights traveling from Missouri to San Antonio.
Top 5 airlines flying from Missouri to San Antonio
Discover the top 5 airlines that operate flights from Missouri to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$151 | Average$186 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$313 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$198 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$371 | FlexibilityNo cancel fee | On-time63% |