$77+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAT
Mar 17 — Mar 241
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 February 15, 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 February 15, 2026.
This Frontier deal was found by Cheapflights users on 2/12. 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 2/2610:11 pm
STL
- SAT
1 stop11h 47m
Frontier
Mon 3/21:52 pm
SAT
- STL
1 stop10h 07m
Frontier
Deal found 2/12![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 2/288:17 pm
STL
- SAT
1 stop20h 02m
Frontier
Mon 3/98:53 pm
SAT
- STL
1 stop26h 26m
Frontier
Deal found 2/11![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 2/288:17 pm
STL
- SAT
1 stop20h 02m
Multiple Airlines
Wed 3/116:00 am
SAT
- STL
1 stop17h 19m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$165
This CheapOair deal was found by Cheapflights users on 2/14. 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 5/152:15 pm
MCI
- SAT
1 stop24h 24m
Frontier
Sun 5/173:14 pm
SAT
- MCI
1 stop22h 16m
Frontier
Deal found 2/14![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 2/12. 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 2/2610:11 pm
STL
- SAT
1 stop11h 47m
Frontier
Sun 3/18:24 pm
SAT
- STL
1 stop27h 35m
Frontier
Deal found 2/12![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/28:22 pm
STL
- SAT
2 stops37h 08m
Multiple Airlines
Wed 3/116:00 am
SAT
- STL
1 stop17h 19m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 2/15. 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.
Sat 3/281:58 pm
MCI
- SAT
1 stop9h 09m
American Airlines
Sat 4/43:24 pm
SAT
- MCI
1 stop8h 35m
American Airlines
Deal found 2/15![American Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sun 3/110:53 am
MCI
- SAT
1 stop29h 27m
Multiple Airlines
Thu 3/56:00 am
SAT
- MCI
1 stop9h 29m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sun 3/110:53 am
MCI
- SAT
1 stop29h 27m
Multiple Airlines
Mon 3/98:53 pm
SAT
- MCI
1 stop18h 36m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$187
This Frontier deal was found by Cheapflights users on 2/12. 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.
Wed 3/188:12 pm
STL
- SAT
1 stop12h 54m
Frontier
Mon 3/232:40 pm
SAT
- STL
1 stop8h 39m
Frontier
Deal found 2/12![Frontier logo]()
$189
This CheapOair deal was found by Cheapflights users on 2/11. 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 2/206:13 pm
MCI
- SAT
1 stop24h 48m
Frontier
Sat 2/287:56 pm
SAT
- MCI
1 stop17h 03m
Frontier
Deal found 2/11![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 2/13. 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 2/254:51 pm
STL
- SAT
1 stop26h 34m
Frontier
Fri 2/2710:48 pm
SAT
- STL
1 stop18h 58m
Frontier
Deal found 2/13![Frontier logo]()
$192
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 February 15, 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 February 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/28:22 pm
STL
- SAT
2 stops37h 08m
Multiple Airlines
Wed 3/116:00 am
SAT
- STL
1 stop17h 19m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$172
This Frontier deal was found by Cheapflights users on 2/15. 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 2/2610:11 pm
STL
- SAT
1 stop11h 47m
Frontier
Mon 3/21:52 pm
SAT
- STL
1 stop10h 07m
Frontier
Deal found 2/15![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/44:24 pm
MCI
- SAT
1 stop7h 35m
Spirit Airlines
Thu 3/56:00 am
SAT
- MCI
1 stop9h 29m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$194
This United Airlines deal was found by Cheapflights users on 2/14. 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 4/176:30 am
MCI
- SAT
1 stop4h 20m
United Airlines
Sat 4/186:02 pm
SAT
- MCI
1 stop4h 28m
United Airlines
Deal found 2/14![United Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 2/12. 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.
Mon 4/65:35 pm
STL
- SAT
1 stop7h 05m
Southwest
Mon 4/136:05 am
SAT
- STL
1 stop6h 25m
Southwest
Deal found 2/12![Southwest logo]()
$197
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 3/75:12 am
STL
- SAT
1 stop4h 21m
American Airlines
Sat 3/145:00 am
SAT
- STL
1 stop3h 55m
American Airlines
Deal found 2/11![American Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 2/11. 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 5/66:00 am
STL
- SAT
1 stop6h 59m
Delta
Sun 5/106:24 pm
SAT
- STL
1 stop5h 35m
Delta
Deal found 2/11![Delta logo]()
$207
This CheapOair deal was found by Cheapflights users on 2/11. 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 2/273:49 pm
STL
- SAT
1 stop21h 29m
Frontier
Sun 3/18:24 pm
SAT
- STL
1 stop27h 35m
Frontier
Deal found 2/11![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/44:24 pm
MCI
- SAT
1 stop20h 48m
Multiple Airlines
Mon 3/98:53 pm
SAT
- MCI
1 stop18h 36m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Mon 4/133:21 pm
MCI
- SAT
1 stop7h 41m
United Airlines
Sat 4/182:02 pm
SAT
- MCI
1 stop5h 43m
United Airlines
Deal found 2/11![United Airlines logo]()
$197
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/96:50 pm
STL
- SAT
1 stop4h 17m
American Airlines
Wed 3/116:24 am
SAT
- STL
1 stop6h 19m
American Airlines
Deal found 2/14![American Airlines logo]()
$205
This CheapOair deal was found by Cheapflights users on 2/13. 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 2/2610:11 pm
STL
- SAT
1 stop11h 47m
Frontier
Sun 3/18:24 pm
SAT
- STL
1 stop27h 35m
Frontier
Deal found 2/13![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 3/54:24 pm
MCI
- SAT
1 stop21h 14m
Multiple Airlines
Wed 3/116:00 am
SAT
- MCI
1 stop9h 29m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 3/311:54 pm
MCI
- SAT
1 stop6h 48m
United Airlines
Sun 4/55:30 am
SAT
- MCI
1 stop3h 59m
United Airlines
Deal found 2/12![United Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 3/54:24 pm
MCI
- SAT
1 stop7h 35m
Multiple Airlines
Mon 3/98:53 pm
SAT
- MCI
1 stop18h 36m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 2/14. 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 5/811:29 am
MCI
- SAT
1 stop5h 28m
United Airlines
Tue 5/127:35 am
SAT
- MCI
1 stop6h 26m
United Airlines
Deal found 2/14![United Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/48:17 pm
STL
- SAT
2 stops16h 55m
Frontier
Mon 3/98:53 pm
SAT
- STL
1 stop26h 26m
Frontier
Deal found 2/11![Frontier logo]()
$197
This Delta deal was found by Cheapflights users on 2/12. 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 6/43:22 pm
SGF
- SAT
1 stop7h 09m
Delta
Tue 6/910:45 am
SAT
- SGF
1 stop7h 25m
Delta
Deal found 2/12![Delta logo]()
$249
This United Airlines deal was found by Cheapflights users on 2/14. 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 3/56:00 am
STL
- SAT
1 stop4h 47m
United Airlines
Tue 3/101:23 pm
SAT
- STL
1 stop7h 18m
United Airlines
Deal found 2/14![United Airlines logo]()
$200
This American Airlines deal was found by Cheapflights users on 2/13. 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.
Fri 3/277:46 pm
SGF
- SAT
1 stop4h 13m
American Airlines
Tue 3/316:00 am
SAT
- SGF
1 stop4h 09m
American Airlines
Deal found 2/13![American Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Fri 3/68:40 pm
MCI
- SAT
1 stop12h 26m
Multiple Airlines
Wed 3/116:00 am
SAT
- MCI
1 stop9h 29m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$206
This CheapOair deal was found by Cheapflights users on 2/13. 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 2/254:51 pm
STL
- SAT
1 stop26h 34m
Frontier
Sat 2/282:13 pm
SAT
- STL
1 stop9h 46m
Frontier
Deal found 2/13![Frontier logo]()
$213
This Delta deal was found by Cheapflights users on 2/12. 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 3/35:32 pm
SGF
- SAT
1 stop7h 05m
Delta
Tue 3/105:10 am
SAT
- SGF
1 stop5h 58m
Delta
Deal found 2/12![Delta logo]()
$264
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 4/186:00 am
MCI
- SAT
2 stops7h 08m
United Airlines
Wed 4/226:02 pm
SAT
- MCI
1 stop4h 28m
United Airlines
Deal found 2/12![United Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 2/11. 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 3/35:31 pm
SGF
- SAT
1 stop6h 24m
American Airlines
Tue 3/106:00 am
SAT
- SGF
1 stop5h 35m
American Airlines
Deal found 2/11![American Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 2/13. 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 4/16:00 am
MCI
- SAT
2 stops7h 08m
United Airlines
Sun 4/55:30 am
SAT
- MCI
1 stop3h 59m
United Airlines
Deal found 2/13![United Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 5/99:54 am
SGF
- SAT
1 stop4h 27m
American Airlines
Sat 5/165:00 am
SAT
- SGF
1 stop4h 24m
American Airlines
Deal found 2/11![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 3/73:00 pm
SGF
- SAT
1 stop4h 29m
United Airlines
Sat 3/149:52 am
SAT
- SGF
1 stop6h 33m
United Airlines
Deal found 2/11![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 2/11. 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 4/74:28 pm
COU
- SAT
1 stop7h 31m
American Airlines
Sat 4/116:00 am
SAT
- COU
1 stop5h 35m
American Airlines
Deal found 2/11![American Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/63:10 pm
COU
- SAT
1 stop7h 44m
United Airlines
Sat 5/96:49 am
SAT
- COU
1 stop7h 43m
United Airlines
Deal found 2/11![United Airlines logo]()
$258
Last-minute flights from Missouri to San AntonioDiscover last-minute flight deals from Missouri to San Antonio. Data last updated February 15, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to San Antonio. Data last updated February 15, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/13. 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 2/254:51 pm
STL
- SAT
1 stop26h 34m
Frontier
Fri 2/2710:48 pm
SAT
- STL
1 stop18h 58m
Frontier
Deal found 2/13![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 2/12. 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 2/2610:11 pm
STL
- SAT
1 stop11h 47m
Frontier
Mon 3/21:52 pm
SAT
- STL
1 stop10h 07m
Frontier
Deal found 2/12![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 2/12. 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 2/2610:11 pm
STL
- SAT
1 stop11h 47m
Frontier
Sun 3/18:24 pm
SAT
- STL
1 stop27h 35m
Frontier
Deal found 2/12![Frontier logo]()
$171
This American Airlines deal was found by Cheapflights users on 2/13. 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.
Fri 2/277:46 pm
MCI
- SAT
1 stop4h 13m
American Airlines
Mon 3/25:48 pm
SAT
- MCI
1 stop6h 11m
American Airlines
Deal found 2/13![American Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 2/288:17 pm
STL
- SAT
1 stop20h 02m
Frontier
Mon 3/98:53 pm
SAT
- STL
1 stop26h 26m
Frontier
Deal found 2/11![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 2/288:17 pm
STL
- SAT
1 stop20h 02m
Multiple Airlines
Wed 3/116:00 am
SAT
- STL
1 stop17h 19m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 2/288:17 pm
STL
- SAT
1 stop20h 02m
Multiple Airlines
Thu 3/510:26 am
SAT
- STL
2 stops25h 23m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/28:22 pm
STL
- SAT
2 stops37h 08m
Multiple Airlines
Wed 3/116:00 am
SAT
- STL
1 stop17h 19m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 3/54:24 pm
MCI
- SAT
1 stop21h 14m
Multiple Airlines
Mon 3/98:53 pm
SAT
- MCI
1 stop18h 36m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$193
This Frontier deal was found by Cheapflights users on 2/11. 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.
Wed 3/188:12 pm
STL
- SAT
1 stop12h 54m
Frontier
Mon 3/232:40 pm
SAT
- STL
1 stop8h 39m
Frontier
Deal found 2/11![Frontier logo]()
$189
This American Airlines deal was found by Cheapflights users on 2/13. 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 3/237:47 pm
MCI
- SAT
1 stop4h 12m
American Airlines
Mon 3/305:36 pm
SAT
- MCI
1 stop6h 36m
American Airlines
Deal found 2/13![American Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 2/15. 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.
Sat 3/281:58 pm
MCI
- SAT
1 stop9h 09m
American Airlines
Sat 4/43:24 pm
SAT
- MCI
1 stop8h 35m
American Airlines
Deal found 2/15![American Airlines logo]()
$184
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 February 15, 2026.
Search for one-way flight options from Missouri to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 2/218:17 pm
STL
- SAT
1 stop20h 02m
Frontier
Deal found 2/11![Frontier logo]()
$77
This Super.com deal was found by Cheapflights users on 2/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:43 pm
MCI
- SAT
1 stop27h 36m
Frontier
Deal found 2/12![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 2/14. 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 4/169:55 pm
STL
- SAT
1 stop13h 45m
Frontier
Deal found 2/14![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 5/118:12 pm
STL
- SAT
1 stop18h 07m
Frontier
Deal found 2/15![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 5/112:15 pm
MCI
- SAT
1 stop24h 04m
Frontier
Deal found 2/13![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Fri 5/158:12 pm
STL
- SAT
1 stop18h 27m
Frontier
Deal found 2/15![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/94:51 pm
STL
- SAT
1 stop7h 08m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$91
This CheapOair deal was found by Cheapflights users on 2/12. 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 4/118:16 pm
STL
- SAT
1 stop28h 03m
Frontier
Deal found 2/12![Frontier logo]()
$92
This American Airlines deal was found by Cheapflights users on 2/13. 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.
Sat 3/287:47 pm
MCI
- SAT
1 stop4h 12m
American Airlines
Deal found 2/13![American Airlines logo]()
$94
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Sun 4/126:00 am
STL
- SAT
1 stop4h 50m
United Airlines
Deal found 2/13![United Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Sat 5/92:51 pm
MCI
- SAT
1 stop23h 28m
Frontier
Deal found 2/13![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Sat 5/98:12 pm
STL
- SAT
1 stop18h 07m
Frontier
Deal found 2/13![Frontier logo]()
$95
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 February 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Frontier) |
One-way from | $60 (Trip.com) |
Popular in | November |
Cheapest in | April |
Average price | $350 |
Good round-trip deal | $327 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 February 15, 2026.
Use the filters below to find and compare flights from Missouri to San Antonio that are best for you.
Fly from
Missouri
Fly to
San Antonio
Route
Depart
Return
Price
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Mon 3/2
8:22 pm-9:30 am
2 stops37h 08m
San Antonio
Wed 3/11
6:00 am-11:19 pm
1 stop17h 19m
$172
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Thu 2/26
10:11 pm-9:58 am
1 stop11h 47m
San Antonio
Mon 3/2
1:52 pm-11:59 pm
1 stop10h 07m
$181
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Fri 2/27
3:49 pm-1:18 pm
1 stop21h 29m
San Antonio
Sun 3/1
8:24 pm-11:59 pm
1 stop27h 35m
$192
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Thu 2/26
10:11 pm-9:58 am
1 stop11h 47m
San Antonio
Sun 3/1
8:24 pm-11:59 pm
1 stop27h 35m
$192
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Wed 3/4
4:24 pm-1:12 pm
1 stop20h 48m
San Antonio
Mon 3/9
8:53 pm-3:29 pm
1 stop18h 36m
$193
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Thu 3/5
4:24 pm-1:38 pm
1 stop21h 14m
San Antonio
Wed 3/11
6:00 am-3:29 pm
1 stop9h 29m
$193
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Wed 3/4
4:24 pm-11:59 pm
1 stop7h 35m
San Antonio
Thu 3/5
6:00 am-3:29 pm
1 stop9h 29m
$194
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Thu 3/5
4:24 pm-11:59 pm
1 stop7h 35m
San Antonio
Mon 3/9
8:53 pm-3:29 pm
1 stop18h 36m
$196
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Fri 4/17
6:30 am-10:50 am
1 stop4h 20m
San Antonio
Sat 4/18
6:02 pm-10:30 pm
1 stop4h 28m
$197
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Mon 4/6
5:35 pm-12:40 am
1 stop7h 05m
San Antonio
Mon 4/13
6:05 am-12:30 pm
1 stop6h 25m
$197
Showing 1-10 of 57 results
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
SGF-SAT
JLN-SAT
COU-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
SGF-SAT
JLN-SAT
What is the cheapest month to book a flight from Missouri to San Antonio?
Currently, November is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $144). Flying from Missouri to San Antonio in June is currently the most expensive (average of $205). 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 February 15, 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 39% versus a flight in the evening.
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
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Alternative routes for Missouri to San Antonio
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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 February 15, 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 February 15, 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 February 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$263 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$151 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$202 | Average$361 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$222 | Average$307 | FlexibilityNo cancel fee | On-time69% |