$79+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAT
Apr 6 — Apr 131
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 March 7, 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 March 7, 2026.
This CheapOair deal was found by Cheapflights users on 3/4. 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 5/42:15 pm
MCI
- SAT
1 stop24h 04m
Frontier
Thu 5/73:14 pm
SAT
- MCI
1 stop22h 16m
Frontier
Deal found 3/4![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/2. 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.
Wed 4/88:16 pm
STL
- SAT
1 stop28h 03m
Frontier
Fri 4/106:45 am
SAT
- STL
1 stop27h 03m
Frontier
Deal found 3/2![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/5. 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
Wed 5/63:14 pm
SAT
- MCI
1 stop22h 16m
Frontier
Deal found 3/5![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 3/3. 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 5/18:06 pm
STL
- SAT
1 stop19h 03m
Frontier
Sun 5/32:59 pm
SAT
- STL
1 stop28h 33m
Frontier
Deal found 3/3![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/48:43 pm
MCI
- SAT
1 stop27h 36m
Frontier
Tue 4/77:45 am
SAT
- MCI
1 stop12h 13m
Frontier
Deal found 3/6![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/26:29 pm
STL
- SAT
1 stop22h 36m
Frontier
Thu 4/96:45 am
SAT
- STL
1 stop27h 03m
Frontier
Deal found 3/6![Frontier logo]()
$194
This Expedia deal was found by Cheapflights users on 3/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:12 pm
STL
- SAT
1 stop28h 05m
Frontier
Fri 3/272:13 pm
SAT
- STL
1 stop16h 54m
Frontier
Deal found 3/5![Frontier logo]()
$195
This CheapOair deal was found by Cheapflights users on 3/6. 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.
Sun 4/510:12 pm
STL
- SAT
1 stop12h 31m
Frontier
Sun 4/126:45 am
SAT
- STL
1 stop27h 03m
Frontier
Deal found 3/6![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/2611:21 am
STL
- SAT
2 stops22h 06m
Multiple Airlines
Sun 4/56:45 am
SAT
- STL
1 stop27h 03m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/118:43 pm
MCI
- SAT
1 stop27h 36m
Frontier
Wed 4/154:49 pm
SAT
- MCI
2 stops18h 09m
Frontier
Deal found 3/6![Frontier logo]()
$218
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/45:12 am
STL
- SAT
1 stop5h 46m
American Airlines
Sat 4/115:00 am
SAT
- STL
1 stop3h 54m
American Airlines
Deal found 3/7![American Airlines logo]()
$218
This Frontier deal was found by Cheapflights users on 3/4. 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 3/264:51 pm
STL
- SAT
1 stop20h 32m
Frontier
Mon 3/3011:35 am
SAT
- STL
1 stop23h 44m
Frontier
Deal found 3/4![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 March 7, 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 March 7, 2026.
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 4/216:00 am
STL
- SAT
1 stop4h 50m
United Airlines
Sun 4/264:17 pm
SAT
- STL
1 stop6h 11m
United Airlines
Deal found 3/2![United Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 3/2. 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 4/24:00 pm
MCI
- SAT
1 stop6h 15m
Southwest
Tue 4/71:30 pm
SAT
- MCI
Nonstop1h 55m
Southwest
Deal found 3/2![Southwest logo]()
$266
This Delta deal was found by Cheapflights users on 3/3. 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 stop5h 06m
Delta
Tue 6/95:30 pm
SAT
- SGF
1 stop5h 05m
Delta
Deal found 3/3![Delta logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/6. 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 5/165:45 pm
SAT
- SGF
1 stop4h 31m
American Airlines
Deal found 3/6![American Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 3/3. 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 5/166:15 am
MCI
- SAT
1 stop4h 32m
United Airlines
Mon 5/185:49 pm
SAT
- MCI
1 stop5h 42m
United Airlines
Deal found 3/3![United Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 3/5. 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 4/76:00 am
STL
- SAT
1 stop5h 39m
Delta
Thu 4/96:17 pm
SAT
- STL
1 stop5h 41m
Delta
Deal found 3/5![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 3/3. 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 3/318:35 am
STL
- SAT
Nonstop2h 25m
Southwest
Tue 4/76:50 am
SAT
- STL
1 stop6h 40m
Southwest
Deal found 3/3![Southwest logo]()
$272
This Southwest deal was found by Cheapflights users on 3/6. 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 4/412:30 pm
MCI
- SAT
Nonstop2h 10m
Southwest
Tue 4/71:30 pm
SAT
- MCI
Nonstop1h 55m
Southwest
Deal found 3/6![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 3/5. 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 4/36:55 pm
SGF
- SAT
1 stop5h 43m
Delta
Fri 4/108:00 am
SAT
- SGF
1 stop7h 10m
Delta
Deal found 3/5![Delta logo]()
$284
This United Airlines deal was found by Cheapflights users on 3/3. 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 6/55:41 pm
STL
- SAT
1 stop5h 13m
United Airlines
Mon 6/86:44 am
SAT
- STL
1 stop5h 27m
United Airlines
Deal found 3/3![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 3/3. 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 3/285:25 pm
STL
- SAT
2 stops6h 30m
Southwest
Sun 3/295:40 pm
SAT
- STL
1 stop6h 35m
Southwest
Deal found 3/3![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 3/3. 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 4/11:25 pm
MCI
- SAT
1 stop7h 05m
Delta
Tue 4/76:13 am
SAT
- MCI
1 stop6h 07m
Delta
Deal found 3/3![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/155:00 am
COU
- SAT
1 stop7h 15m
United Airlines
Sun 5/175:49 pm
SAT
- COU
1 stop6h 59m
United Airlines
Deal found 3/5![United Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 3/5. 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 4/78:55 pm
STL
- SAT
Nonstop2h 20m
Southwest
Thu 4/94:30 pm
SAT
- STL
1 stop6h 55m
Southwest
Deal found 3/5![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/36:15 am
SGF
- SAT
1 stop6h 53m
United Airlines
Fri 4/105:35 pm
SAT
- SGF
1 stop7h 01m
United Airlines
Deal found 3/5![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 3/3. 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 4/21:50 pm
MCI
- SAT
Nonstop2h 10m
Southwest
Mon 4/65:30 pm
SAT
- MCI
1 stop6h 15m
Southwest
Deal found 3/3![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 3/2. 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 4/31:50 pm
MCI
- SAT
Nonstop2h 10m
Southwest
Sun 4/58:55 pm
SAT
- MCI
1 stop3h 40m
Southwest
Deal found 3/2![Southwest logo]()
$283
This Delta deal was found by Cheapflights users on 3/6. 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 3/106:07 am
MCI
- SAT
1 stop6h 40m
Delta
Thu 3/128:00 am
SAT
- MCI
1 stop7h 39m
Delta
Deal found 3/6![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/96:30 am
MCI
- SAT
1 stop6h 38m
United Airlines
Mon 4/136:02 pm
SAT
- MCI
1 stop4h 27m
United Airlines
Deal found 3/4![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 3/5. 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 4/186:10 am
STL
- SAT
2 stops7h 50m
Southwest
Mon 4/204:30 pm
SAT
- STL
1 stop6h 55m
Southwest
Deal found 3/5![Southwest logo]()
$292
This United Airlines deal was found by Cheapflights users on 3/3. 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 4/288:00 am
COU
- SAT
1 stop8h 09m
United Airlines
Tue 5/52:00 pm
SAT
- COU
1 stop8h 03m
United Airlines
Deal found 3/3![United Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 4/289:02 am
COU
- SAT
1 stop7h 54m
United Airlines
Sat 5/26:49 am
SAT
- COU
1 stop7h 43m
United Airlines
Deal found 3/2![United Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 3/5. 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 6/56:52 pm
SGF
- SAT
1 stop5h 52m
Delta
Fri 6/124:25 pm
SAT
- SGF
1 stop6h 10m
Delta
Deal found 3/5![Delta logo]()
$404
This Southwest deal was found by Cheapflights users on 3/2. 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.
Tue 4/218:55 pm
STL
- SAT
Nonstop2h 20m
Southwest
Sun 4/265:25 am
SAT
- STL
1 stop4h 05m
Southwest
Deal found 3/2![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/208:50 am
SGF
- SAT
1 stop4h 26m
United Airlines
Sun 5/249:37 am
SAT
- SGF
1 stop6h 43m
United Airlines
Deal found 3/5![United Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 3/4. 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
STL
- SAT
1 stop4h 50m
United Airlines
Mon 4/136:02 pm
SAT
- STL
1 stop4h 26m
United Airlines
Deal found 3/4![United Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 3/3. 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 3/2112:30 pm
MCI
- SAT
Nonstop2h 10m
Southwest
Wed 3/252:15 pm
SAT
- MCI
Nonstop1h 55m
Southwest
Deal found 3/3![Southwest logo]()
$361
This United Airlines deal was found by Cheapflights users on 3/3. 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 4/79:10 am
STL
- SAT
2 stops10h 38m
United Airlines
Sat 4/116:02 pm
SAT
- STL
1 stop4h 26m
United Airlines
Deal found 3/3![United Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/91:11 pm
SAT
- COU
1 stop7h 38m
United Airlines
Deal found 3/5![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/1111:30 am
COU
- SAT
1 stop7h 29m
United Airlines
Mon 4/135:50 pm
SAT
- COU
1 stop6h 43m
United Airlines
Deal found 3/4![United Airlines logo]()
$348
Last-minute flights from Missouri to San AntonioDiscover last-minute flight deals from Missouri to San Antonio. Data last updated March 7, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to San Antonio. Data last updated March 7, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:12 pm
STL
- SAT
1 stop28h 05m
Frontier
Fri 3/272:13 pm
SAT
- STL
1 stop16h 54m
Frontier
Deal found 3/5![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/2611:21 am
STL
- SAT
2 stops22h 06m
Multiple Airlines
Sun 4/56:45 am
SAT
- STL
1 stop27h 03m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$215
This Frontier deal was found by Cheapflights users on 3/4. 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 3/264:51 pm
STL
- SAT
1 stop20h 32m
Frontier
Mon 3/3011:35 am
SAT
- STL
1 stop23h 44m
Frontier
Deal found 3/4![Frontier logo]()
$219
This Orbitz deal was found by Cheapflights users on 3/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/264:51 pm
STL
- SAT
1 stop20h 32m
Frontier
Sun 3/296:45 am
SAT
- STL
1 stop27h 04m
Frontier
Deal found 3/2![Frontier logo]()
$224
This Expedia deal was found by Cheapflights users on 3/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:40 pm
MCI
- SAT
1 stop12h 26m
Frontier
Mon 3/306:45 am
SAT
- MCI
1 stop13h 08m
Frontier
Deal found 3/4![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/26:29 pm
STL
- SAT
1 stop22h 36m
Frontier
Thu 4/96:45 am
SAT
- STL
1 stop27h 03m
Frontier
Deal found 3/6![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/48:43 pm
MCI
- SAT
1 stop27h 36m
Frontier
Tue 4/77:45 am
SAT
- MCI
1 stop12h 13m
Frontier
Deal found 3/6![Frontier logo]()
$193
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/45:12 am
STL
- SAT
1 stop5h 46m
American Airlines
Sat 4/115:00 am
SAT
- STL
1 stop3h 54m
American Airlines
Deal found 3/7![American Airlines logo]()
$218
This CheapOair deal was found by Cheapflights users on 3/6. 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.
Sun 4/510:12 pm
STL
- SAT
1 stop12h 31m
Frontier
Sun 4/126:45 am
SAT
- STL
1 stop27h 03m
Frontier
Deal found 3/6![Frontier logo]()
$206
This CheapOair deal was found by Cheapflights users on 3/5. 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 4/88:16 pm
STL
- SAT
1 stop28h 03m
Frontier
Fri 4/106:45 am
SAT
- STL
1 stop27h 03m
Frontier
Deal found 3/5![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/108:16 pm
STL
- SAT
1 stop28h 03m
Multiple Airlines
Mon 4/131:22 pm
SAT
- STL
1 stop10h 03m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/118:43 pm
MCI
- SAT
1 stop27h 36m
Frontier
Wed 4/154:49 pm
SAT
- MCI
2 stops18h 09m
Frontier
Deal found 3/6![Frontier logo]()
$218
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 March 7, 2026.
Search for one-way flight options from Missouri to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 3/3![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 5/28:17 pm
STL
- SAT
1 stop17h 56m
Frontier
Deal found 3/3![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 3/5. 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.
Mon 5/42:15 pm
MCI
- SAT
1 stop24h 04m
Frontier
Deal found 3/5![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 3/7. 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 5/79:55 pm
STL
- SAT
1 stop13h 45m
Frontier
Deal found 3/7![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/48:16 pm
STL
- SAT
1 stop28h 03m
Frontier
Deal found 3/6![Frontier logo]()
$91
This CheapOair deal was found by Cheapflights users on 3/2. 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
Deal found 3/2![Frontier logo]()
$92
This CheapOair deal was found by Cheapflights users on 3/4. 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 4/138:19 pm
STL
- SAT
1 stop18h 50m
Frontier
Deal found 3/4![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/7![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/68:19 pm
STL
- SAT
1 stop28h 00m
Frontier
Deal found 3/6![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 5/22:51 pm
MCI
- SAT
1 stop23h 22m
Frontier
Deal found 3/4![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Fri 4/38:16 pm
STL
- SAT
1 stop28h 03m
Frontier
Deal found 3/2![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Sat 3/218:12 pm
STL
- SAT
1 stop12h 54m
Frontier
Deal found 3/2![Frontier logo]()
$105
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 March 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $79 (Kiwi.com) |
Popular in | November |
Cheapest in | May |
Average price | $367 |
Good round-trip deal | $330 or less |
Good one-way deal | $267 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 March 7, 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
Tue 4/21
6:00 am-10:50 am
1 stop4h 50m
San Antonio
Sun 4/26
4:17 pm-10:28 pm
1 stop6h 11m
$262
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Thu 4/2
4:00 pm-10:15 pm
1 stop6h 15m
San Antonio
Tue 4/7
1:30 pm-3:25 pm
Nonstop1h 55m
$266
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Sat 5/16
6:15 am-10:47 am
1 stop4h 32m
San Antonio
Mon 5/18
5:49 pm-11:31 pm
1 stop5h 42m
$267
SpringfieldSan Antonio
SGF - SAT
SGFSAT
Springfield-Branson
Thu 6/4
3:22 pm-8:28 pm
1 stop5h 06m
San Antonio
Tue 6/9
5:30 pm-10:35 pm
1 stop5h 05m
$269
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Tue 4/7
6:00 am-11:39 am
1 stop5h 39m
San Antonio
Thu 4/9
6:17 pm-11:58 pm
1 stop5h 41m
$271
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Tue 3/31
8:35 am-11:00 am
Nonstop2h 25m
San Antonio
Tue 4/7
6:50 am-1:30 pm
1 stop6h 40m
$272
Quickest round-trip
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Sat 4/4
12:30 pm-2:40 pm
Nonstop2h 10m
San Antonio
Tue 4/7
1:30 pm-3:25 pm
Nonstop1h 55m
$274
SpringfieldSan Antonio
SGF - SAT
SGFSAT
Springfield-Branson
Sat 5/9
9:54 am-2:21 pm
1 stop4h 27m
San Antonio
Sat 5/16
5:45 pm-10:16 pm
1 stop4h 31m
$279
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Sat 3/28
5:25 pm-11:55 pm
2 stops6h 30m
San Antonio
Sun 3/29
5:40 pm-12:15 am
1 stop6h 35m
$280
St. LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Tue 4/7
8:55 pm-11:15 pm
Nonstop2h 20m
San Antonio
Thu 4/9
4:30 pm-11:25 pm
1 stop6h 55m
$282
Showing 1-10 of 55 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
SGF-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
COU-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 $118). Flying from Missouri to San Antonio in March is currently the most expensive (average of $223). 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 March 7, 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
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 March 7, 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 March 7, 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 March 7, 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$192 | Average$303 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$198 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$370 | FlexibilityNo cancel fee | On-time63% |