$89+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAT
Sep 1 — Sep 81
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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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 August 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 August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 pm
STL
- SAT
1 stop15h 11m
Frontier
Tue 10/2012:16 pm
SAT
- STL
1 stop6h 59m
Frontier
Deal found 7/28![Frontier logo]()
$183
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:32 pm
MCI
- SAT
1 stop22h 53m
Frontier
Wed 9/308:20 pm
SAT
- MCI
1 stop23h 17m
Frontier
Deal found 7/30![Frontier logo]()
$186
This Southwest deal was found by Cheapflights users on 7/29. 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.
Wed 8/264:55 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Wed 9/211:40 am
SAT
- MCI
Nonstop2h 00m
Southwest
Deal found 7/29![Southwest logo]()
$197
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:34 pm
STL
- SAT
1 stop13h 05m
Frontier
Mon 10/1912:16 pm
SAT
- STL
1 stop6h 59m
Frontier
Deal found 7/30![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:02 pm
STL
- SAT
1 stop15h 54m
Frontier
Mon 8/2410:24 pm
SAT
- STL
1 stop19h 26m
Frontier
Deal found 7/30![Frontier logo]()
$209
This Delta deal was found by Cheapflights users on 7/29. 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 9/232:26 pm
MCI
- SAT
1 stop6h 48m
Delta
Wed 9/305:30 am
SAT
- MCI
1 stop7h 51m
Delta
Deal found 7/29![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 8/1. 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.
Mon 10/126:05 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Wed 10/1412:55 pm
SAT
- MCI
1 stop3h 30m
Southwest
Deal found 8/1![Southwest logo]()
$223
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:38 pm
MCI
- SAT
1 stop5h 53m
Frontier
Sat 9/128:20 pm
SAT
- MCI
1 stop23h 17m
Frontier
Deal found 7/30![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:38 pm
MCI
- SAT
1 stop5h 53m
Frontier
Sat 9/128:20 pm
SAT
- MCI
1 stop23h 17m
Frontier
Deal found 7/28![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 11/32:17 pm
MCI
- SAT
1 stop19h 55m
Frontier
Sun 11/87:56 pm
SAT
- MCI
1 stop17h 26m
Frontier
Deal found 8/1![Frontier logo]()
$226
This Southwest deal was found by Cheapflights users on 7/30. 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.
Tue 9/156:25 am
MCI
- SAT
1 stop6h 25m
Southwest
Fri 9/1812:05 pm
SAT
- MCI
Nonstop1h 55m
Southwest
Deal found 7/30![Southwest logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/138:10 pm
STL
- SAT
1 stop15h 11m
Frontier
Thu 10/153:10 pm
SAT
- STL
1 stop28h 05m
Frontier
Deal found 7/31![Frontier logo]()
$229
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 August 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 August 2, 2026.
This Southwest deal was found by Cheapflights users on 8/1. 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.
Wed 9/24:55 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Wed 9/92:50 pm
SAT
- MCI
1 stop7h 25m
Southwest
Deal found 8/1![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 9/234:25 pm
MCI
- SAT
1 stop7h 43m
Delta
Wed 9/306:07 pm
SAT
- MCI
1 stop4h 53m
Delta
Deal found 7/28![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/2311:22 am
MCI
- SAT
1 stop7h 38m
United Airlines
Wed 9/3011:47 am
SAT
- MCI
2 stops10h 17m
United Airlines
Deal found 7/28![United Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/136:00 am
SGF
- SAT
1 stop4h 01m
American Airlines
Mon 8/1712:40 pm
SAT
- SGF
1 stop6h 38m
American Airlines
Deal found 7/29![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/30. 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 8/264:55 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Wed 9/26:50 am
SAT
- MCI
2 stops6h 40m
Southwest
Deal found 7/30![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 8/1. 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.
Mon 10/126:05 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Wed 10/1412:55 pm
SAT
- MCI
1 stop3h 30m
Southwest
Deal found 8/1![Southwest logo]()
$223
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 10/166:44 pm
MCI
- SAT
1 stop5h 49m
Delta
Mon 10/194:29 pm
SAT
- MCI
1 stop5h 26m
Delta
Deal found 7/29![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/30. 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.
Tue 9/156:25 am
MCI
- SAT
1 stop6h 25m
Southwest
Fri 9/1812:05 pm
SAT
- MCI
Nonstop1h 55m
Southwest
Deal found 7/30![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 7/27. 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 10/2910:15 am
MCI
- SAT
1 stop3h 40m
Southwest
Tue 11/37:10 am
SAT
- MCI
1 stop7h 05m
Southwest
Deal found 7/27![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 12/59:00 am
COU
- SAT
1 stop7h 30m
United Airlines
Tue 12/81:35 pm
SAT
- COU
1 stop6h 55m
United Airlines
Deal found 7/28![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/2011:40 am
MCI
- SAT
Nonstop2h 00m
Southwest
Mon 8/2412:05 pm
SAT
- MCI
Nonstop1h 55m
Southwest
Deal found 7/30![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 8/2811:38 am
SGF
- SAT
1 stop5h 01m
Delta
Sun 8/305:20 am
SAT
- SGF
1 stop5h 33m
Delta
Deal found 7/28![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Fri 8/214:58 pm
SGF
- SAT
1 stop5h 41m
United Airlines
Mon 8/245:30 am
SAT
- SGF
1 stop5h 07m
United Airlines
Deal found 8/1![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 8/256:58 pm
SGF
- SAT
1 stop5h 30m
Delta
Sun 8/305:20 am
SAT
- SGF
1 stop5h 33m
Delta
Deal found 7/28![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 7/29. 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.
Fri 10/166:05 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Mon 10/198:45 pm
SAT
- MCI
1 stop3h 50m
Southwest
Deal found 7/29![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 8/296:06 am
SGF
- SAT
1 stop7h 32m
Delta
Tue 9/17:55 am
SAT
- SGF
1 stop7h 50m
Delta
Deal found 7/28![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/139:00 am
COU
- SAT
1 stop7h 55m
United Airlines
Sat 8/155:30 pm
SAT
- COU
1 stop5h 25m
United Airlines
Deal found 7/29![United Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 8/1. 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 10/95:20 am
MCI
- SAT
1 stop3h 15m
Southwest
Fri 10/95:45 pm
SAT
- MCI
1 stop5h 50m
Southwest
Deal found 8/1![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/56:15 am
COU
- SAT
1 stop5h 37m
United Airlines
Wed 9/95:30 pm
SAT
- COU
1 stop5h 25m
United Airlines
Deal found 7/30![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 8/1. 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 11/2310:00 am
STL
- SAT
1 stop7h 27m
Delta
Fri 11/275:30 am
SAT
- STL
1 stop7h 56m
Delta
Deal found 8/1![Delta logo]()
$367
This Southwest deal was found by Cheapflights users on 7/27. 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 8/248:30 am
STL
- SAT
Nonstop2h 05m
Southwest
Mon 8/317:20 am
SAT
- STL
Nonstop2h 05m
Southwest
Deal found 7/27![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 10/51:29 pm
STL
- SAT
2 stops9h 22m
United Airlines
Tue 10/611:47 am
SAT
- STL
2 stops9h 34m
United Airlines
Deal found 7/28![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 8/1. 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.
Sat 11/215:37 pm
STL
- SAT
1 stop5h 57m
Delta
Thu 11/265:30 am
SAT
- STL
1 stop7h 56m
Delta
Deal found 8/1![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 8/3112:59 pm
STL
- SAT
2 stops9h 40m
United Airlines
Fri 9/41:45 pm
SAT
- STL
1 stop7h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 8/1. 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 11/68:20 am
STL
- SAT
Nonstop2h 15m
Southwest
Mon 11/94:55 pm
SAT
- STL
Nonstop2h 05m
Southwest
Deal found 8/1![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 1/163:03 pm
SGF
- SAT
2 stops7h 45m
United Airlines
Wed 1/205:30 am
SAT
- SGF
2 stops8h 49m
United Airlines
Deal found 7/30![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 7/31. 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.
Sat 10/318:00 am
STL
- SAT
Nonstop2h 10m
Southwest
Mon 11/94:55 pm
SAT
- STL
Nonstop2h 05m
Southwest
Deal found 7/31![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Fri 8/218:30 am
JLN
- SAT
1 stop8h 01m
United Airlines
Mon 8/244:39 pm
SAT
- JLN
1 stop7h 05m
United Airlines
Deal found 8/1![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 7/30. 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.
Fri 8/218:30 am
STL
- SAT
Nonstop2h 05m
Southwest
Mon 8/242:05 pm
SAT
- STL
1 stop5h 50m
Southwest
Deal found 7/30![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Tue 9/84:58 pm
SGF
- SAT
1 stop5h 46m
United Airlines
Sat 9/127:35 am
SAT
- SGF
1 stop6h 41m
United Airlines
Deal found 8/1![United Airlines logo]()
$410
Last-minute flights from Missouri to San AntonioDiscover last-minute flight deals from Missouri to San Antonio. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to San Antonio. Data last updated August 2, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:02 pm
STL
- SAT
1 stop15h 54m
Frontier
Mon 8/2410:24 pm
SAT
- STL
1 stop19h 26m
Frontier
Deal found 7/30![Frontier logo]()
$209
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/2011:40 am
MCI
- SAT
Nonstop2h 00m
Southwest
Mon 8/243:30 pm
SAT
- MCI
2 stops6h 35m
Southwest
Deal found 7/30![Southwest logo]()
$252
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:58 pm
STL
- SAT
1 stop23h 33m
Frontier
Mon 8/2410:24 pm
SAT
- STL
1 stop19h 26m
Frontier
Deal found 7/30![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 8/1. 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.
Mon 8/246:45 pm
STL
- SAT
1 stop26h 44m
Frontier
Mon 8/3110:24 pm
SAT
- STL
1 stop19h 26m
Frontier
Deal found 8/1![Frontier logo]()
$240
This Southwest deal was found by Cheapflights users on 7/29. 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.
Wed 8/264:55 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Wed 9/211:40 am
SAT
- MCI
Nonstop2h 00m
Southwest
Deal found 7/29![Southwest logo]()
$197
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:45 pm
STL
- SAT
1 stop26h 44m
Frontier
Wed 9/210:24 pm
SAT
- STL
1 stop19h 26m
Frontier
Deal found 7/29![Frontier logo]()
$254
This Southwest deal was found by Cheapflights users on 7/29. 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 8/2711:40 am
MCI
- SAT
Nonstop2h 00m
Southwest
Thu 9/312:05 pm
SAT
- MCI
Nonstop1h 55m
Southwest
Deal found 7/29![Southwest logo]()
$237
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:58 pm
STL
- SAT
1 stop23h 33m
Frontier
Thu 9/38:26 pm
SAT
- STL
1 stop22h 47m
Frontier
Deal found 7/30![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Thu 8/271:38 pm
MCI
- SAT
1 stop5h 53m
Frontier
Thu 9/38:26 pm
SAT
- MCI
2 stops14h 15m
Frontier
Deal found 7/30![Frontier logo]()
$253
This Delta deal was found by Cheapflights users on 7/29. 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.
Thu 8/277:07 am
MCI
- SAT
1 stop6h 31m
Delta
Thu 9/312:05 pm
SAT
- MCI
1 stop8h 42m
Delta
Deal found 7/29![Delta logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Fri 8/281:38 pm
MCI
- SAT
1 stop5h 53m
Frontier
Fri 9/48:26 pm
SAT
- MCI
1 stop16h 27m
Frontier
Deal found 7/31![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:45 pm
STL
- SAT
1 stop26h 44m
Frontier
Fri 9/410:24 pm
SAT
- STL
1 stop19h 26m
Frontier
Deal found 7/29![Frontier logo]()
$268
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 August 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 August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:32 pm
MCI
- SAT
1 stop22h 53m
Frontier
Deal found 7/29![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:17 pm
MCI
- SAT
1 stop19h 55m
Frontier
Deal found 7/29![Frontier logo]()
$92
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:50 pm
MCI
- SAT
1 stop7h 06m
Frontier
Deal found 7/30![Frontier logo]()
$93
This Southwest deal was found by Cheapflights users on 7/30. 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 9/304:55 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Deal found 7/30![Southwest logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:32 pm
MCI
- SAT
1 stop22h 53m
Frontier
Deal found 7/29![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/262:17 pm
MCI
- SAT
1 stop19h 55m
Frontier
Deal found 7/30![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:38 pm
MCI
- SAT
1 stop5h 53m
Frontier
Deal found 7/29![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/288:32 pm
MCI
- SAT
1 stop22h 53m
Frontier
Deal found 8/1![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 11/22:17 pm
MCI
- SAT
1 stop19h 55m
Frontier
Deal found 7/31![Frontier logo]()
$105
This Southwest deal was found by Cheapflights users on 7/29. 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.
Wed 10/283:30 pm
MCI
- SAT
1 stop6h 00m
Southwest
Deal found 7/29![Southwest logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:10 pm
STL
- SAT
1 stop14h 02m
Frontier
Deal found 7/29![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/317:58 pm
STL
- SAT
1 stop23h 33m
Frontier
Deal found 7/30![Frontier logo]()
$111
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $183 (Kiwi.com) |
One-way from | $89 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $402 |
Good round-trip deal | $345 or less |
Good one-way deal | $372 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 August 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
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Wed 9/2
4:55 pm-6:55 pm
Nonstop2h 00m
San Antonio
Wed 9/9
2:50 pm-10:15 pm
1 stop7h 25m
$207
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Wed 8/26
4:55 pm-6:55 pm
Nonstop2h 00m
San Antonio
Wed 9/2
6:50 am-1:30 pm
2 stops6h 40m
$212
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Wed 9/23
4:25 pm-12:08 am
1 stop7h 43m
San Antonio
Wed 9/30
6:07 pm-11:00 pm
1 stop4h 53m
$217
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Mon 10/12
6:05 pm-8:05 pm
Nonstop2h 00m
San Antonio
Wed 10/14
12:55 pm-4:25 pm
1 stop3h 30m
$223
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Tue 9/15
6:25 am-12:50 pm
1 stop6h 25m
San Antonio
Fri 9/18
12:05 pm-2:00 pm
Nonstop1h 55m
$227
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Thu 10/29
10:15 am-1:55 pm
1 stop3h 40m
San Antonio
Tue 11/3
7:10 am-2:15 pm
1 stop7h 05m
$237
Quickest round-trip
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Thu 8/20
11:40 am-1:40 pm
Nonstop2h 00m
San Antonio
Mon 8/24
12:05 pm-2:00 pm
Nonstop1h 55m
$237
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Fri 10/16
6:05 pm-8:05 pm
Nonstop2h 00m
San Antonio
Mon 10/19
8:45 pm-12:35 am
1 stop3h 50m
$247
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Fri 10/16
6:44 pm-12:33 am
1 stop5h 49m
San Antonio
Mon 10/19
4:29 pm-9:55 pm
1 stop5h 26m
$257
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Fri 10/9
5:20 am-8:35 am
1 stop3h 15m
San Antonio
Fri 10/9
5:45 pm-11:35 pm
1 stop5h 50m
$257
Showing 1-10 of 60 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.
MCI-SAT
STL-SAT
SGF-SAT
COU-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
MCI-SAT
STL-SAT
SGF-SAT
COU-SAT
What is the cheapest month to book a flight from Missouri to San Antonio?
Currently, February is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $330). Flying from Missouri to San Antonio in July is currently the most expensive (average of $464). 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 August 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 31% versus a flight in the evening.
How much does it cost to fly round-trip from Missouri to San Antonio?
Airfare is below average for this route at the moment.
Missouri to San Antonio flights typically cost between $302 and $544 in October.The cheapest round-trip price found within the last 5 days was $183 on Frontier (Oct 13-Oct 20).
How far ahead should I book a flight from Missouri to San Antonio?
The best time to book flights from Missouri to San Antonio is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 August 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 August 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$111 | Average$270 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$354 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$242 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$407 | FlexibilityNo cancel fee | On-time63% |