$95+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAT
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to San Antonio
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Cheapest flights from Missouri to San AntonioExplore the most affordable flight options available from Missouri to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 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 May 6, 2026.
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Tue 5/196:51 pm
STL
- SAT
1 stop25h 23m
Frontier
Sat 5/237:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 5/1![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 5/4. 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 6/18:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Mon 6/88:59 pm
SAT
- STL
1 stop20h 06m
Frontier
Deal found 5/4![Frontier logo]()
$190
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Tue 6/28:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Fri 6/57:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 5/2![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 4/30. 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 6/59:06 pm
STL
- SAT
1 stop23h 08m
Frontier
Tue 7/77:51 pm
SAT
- STL
1 stop23h 32m
Frontier
Deal found 4/30![Frontier logo]()
$196
This CheapOair deal was found by Cheapflights users on 4/30. 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.
Tue 7/148:08 pm
STL
- SAT
1 stop22h 46m
Frontier
Tue 7/218:59 pm
SAT
- STL
1 stop21h 06m
Frontier
Deal found 4/30![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Mon 6/18:59 pm
SAT
- STL
1 stop21h 07m
Frontier
Deal found 5/1![Frontier logo]()
$205
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Wed 7/11:45 pm
MCI
- SAT
1 stop5h 11m
Frontier
Wed 7/87:51 pm
SAT
- MCI
1 stop17h 04m
Frontier
Deal found 5/1![Frontier logo]()
$215
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Tue 6/238:08 pm
STL
- SAT
1 stop22h 48m
Frontier
Sat 6/274:22 pm
SAT
- STL
1 stop7h 27m
Frontier
Deal found 5/1![Frontier logo]()
$215
This CheapOair deal was found by Cheapflights users on 5/2. 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 5/206:51 pm
STL
- SAT
1 stop25h 23m
Frontier
Sun 5/248:59 pm
SAT
- STL
1 stop23h 12m
Frontier
Deal found 5/2![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/30. 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.
Mon 5/119:18 pm
STL
- SAT
1 stop22h 56m
Frontier
Mon 5/188:59 pm
SAT
- STL
1 stop21h 07m
Frontier
Deal found 4/30![Frontier logo]()
$217
This CheapOair deal was found by Cheapflights users on 5/1. 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 6/82:34 pm
MCI
- SAT
1 stop28h 22m
Frontier
Wed 6/107:51 pm
SAT
- MCI
1 stop17h 09m
Frontier
Deal found 5/1![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Wed 6/107:03 pm
STL
- SAT
1 stop25h 08m
Frontier
Wed 6/178:56 pm
SAT
- STL
1 stop17h 10m
Frontier
Deal found 5/1![Frontier logo]()
$221
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 May 6, 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 9/236:30 am
MCI
- SAT
1 stop5h 35m
Delta
Wed 9/306:45 am
SAT
- MCI
1 stop7h 48m
Delta
Deal found 5/5![Delta logo]()
$295
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:54 am
JLN
- SAT
1 stop7h 35m
United Airlines
Tue 7/146:40 am
SAT
- JLN
1 stop6h 42m
United Airlines
Deal found 5/2![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:01 am
SGF
- SAT
1 stop3h 45m
American Airlines
Mon 7/65:35 pm
SAT
- SGF
1 stop5h 59m
American Airlines
Deal found 5/5![American Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 5/5. 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.
Thu 6/42:55 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Thu 6/116:00 pm
SAT
- MCI
1 stop6h 30m
Southwest
Deal found 5/5![Southwest logo]()
$315
This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:49 pm
SGF
- SAT
1 stop5h 55m
Delta
Tue 6/92:40 pm
SAT
- SGF
1 stop7h 29m
Delta
Deal found 5/4![Delta logo]()
$304
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Thu 6/41:57 pm
JLN
- SAT
1 stop6h 57m
United Airlines
Thu 6/116:40 am
SAT
- JLN
1 stop6h 42m
United Airlines
Deal found 5/3![United Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 5/5. 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 9/294:55 pm
MCI
- SAT
Nonstop2h 00m
Southwest
Thu 10/17:25 am
SAT
- MCI
1 stop6h 10m
Southwest
Deal found 5/5![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Wed 9/166:00 am
MCI
- SAT
1 stop6h 43m
United Airlines
Fri 9/185:57 pm
SAT
- MCI
1 stop4h 36m
United Airlines
Deal found 5/2![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:40 pm
SGF
- SAT
1 stop4h 19m
American Airlines
Sat 7/185:00 am
SAT
- SGF
1 stop5h 12m
American Airlines
Deal found 5/1![American Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:52 pm
SGF
- SAT
1 stop5h 52m
Delta
Wed 5/272:27 pm
SAT
- SGF
1 stop7h 52m
Delta
Deal found 5/2![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 5/1. 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 6/13:55 pm
MCI
- SAT
Nonstop2h 10m
Southwest
Thu 6/46:00 pm
SAT
- MCI
1 stop4h 40m
Southwest
Deal found 5/1![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 5/276:49 pm
SGF
- SAT
1 stop5h 55m
Delta
Sun 6/76:40 am
SAT
- SGF
1 stop8h 05m
Delta
Deal found 5/5![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:33 pm
MCI
- SAT
1 stop4h 05m
United Airlines
Tue 10/136:40 am
SAT
- MCI
1 stop7h 51m
United Airlines
Deal found 5/1![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 5/5. 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.
Wed 5/2012:25 pm
MCI
- SAT
1 stop5h 45m
Southwest
Tue 5/261:30 pm
SAT
- MCI
Nonstop1h 55m
Southwest
Deal found 5/5![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:07 am
MCI
- SAT
1 stop6h 11m
Delta
Sun 8/166:23 am
SAT
- MCI
1 stop8h 27m
Delta
Deal found 5/2![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 5/1. 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 6/26:00 am
MCI
- SAT
1 stop6h 12m
United Airlines
Wed 6/35:30 pm
SAT
- MCI
1 stop5h 43m
United Airlines
Deal found 5/1![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 5/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:05 pm
MCI
- SAT
1 stop3h 50m
Southwest
Mon 8/103:30 pm
SAT
- MCI
2 stops6h 35m
Southwest
Deal found 5/4![Southwest logo]()
$368
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Wed 5/206:25 am
SGF
- SAT
1 stop4h 22m
United Airlines
Wed 5/274:35 pm
SAT
- SGF
1 stop7h 17m
United Airlines
Deal found 5/2![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 5/5. 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.
Thu 5/289:45 pm
STL
- SAT
Nonstop2h 20m
Southwest
Mon 6/14:45 pm
SAT
- STL
Nonstop2h 10m
Southwest
Deal found 5/5![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 5/169:00 am
COU
- SAT
1 stop7h 57m
United Airlines
Wed 5/209:50 am
SAT
- COU
2 stops10h 59m
United Airlines
Deal found 5/1![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 5/1. 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 5/278:25 am
STL
- SAT
Nonstop2h 20m
Southwest
Wed 6/33:55 pm
SAT
- STL
Nonstop2h 10m
Southwest
Deal found 5/1![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Thu 5/284:49 pm
SGF
- SAT
1 stop6h 05m
United Airlines
Sun 5/315:30 am
SAT
- SGF
1 stop5h 13m
United Airlines
Deal found 5/3![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 5/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:15 pm
STL
- SAT
1 stop3h 45m
Southwest
Mon 6/84:50 pm
SAT
- STL
Nonstop2h 10m
Southwest
Deal found 5/4![Southwest logo]()
$391
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:19 pm
COU
- SAT
1 stop5h 47m
American Airlines
Fri 6/58:23 pm
SAT
- COU
1 stop14h 51m
American Airlines
Deal found 5/1![American Airlines logo]()
$632
This United Airlines deal was found by Cheapflights users on 5/5. 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 5/271:57 pm
JLN
- SAT
1 stop6h 57m
United Airlines
Sun 6/76:40 am
SAT
- JLN
1 stop6h 42m
United Airlines
Deal found 5/5![United Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 5/1. 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.
Sun 5/244:40 pm
STL
- SAT
1 stop5h 15m
Southwest
Wed 5/277:25 am
SAT
- STL
Nonstop2h 10m
Southwest
Deal found 5/1![Southwest logo]()
$419
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 6/66:00 am
STL
- SAT
1 stop6h 12m
United Airlines
Tue 6/91:20 pm
SAT
- STL
1 stop8h 01m
United Airlines
Deal found 5/1![United Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 5/2. 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 5/268:55 pm
STL
- SAT
Nonstop2h 20m
Southwest
Fri 5/297:20 am
SAT
- STL
Nonstop2h 10m
Southwest
Deal found 5/2![Southwest logo]()
$419
This United Airlines deal was found by Cheapflights users on 5/1. 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 6/96:00 am
STL
- SAT
2 stops9h 39m
United Airlines
Wed 6/105:30 pm
SAT
- STL
1 stop5h 59m
United Airlines
Deal found 5/1![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 5/5. 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.
Sun 6/286:15 pm
STL
- SAT
1 stop6h 50m
Southwest
Wed 7/13:35 pm
SAT
- STL
Nonstop2h 10m
Southwest
Deal found 5/5![Southwest logo]()
$429
Last-minute flights from Missouri to San AntonioDiscover last-minute flight deals from Missouri to San Antonio. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to San Antonio. Data last updated May 6, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/30. 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.
Mon 5/119:18 pm
STL
- SAT
1 stop22h 56m
Frontier
Mon 5/188:59 pm
SAT
- STL
1 stop21h 07m
Frontier
Deal found 4/30![Frontier logo]()
$217
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Tue 5/196:51 pm
STL
- SAT
1 stop25h 23m
Frontier
Sat 5/237:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 5/1![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 5/2. 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 5/206:51 pm
STL
- SAT
1 stop25h 23m
Frontier
Sun 5/248:59 pm
SAT
- STL
1 stop23h 12m
Frontier
Deal found 5/2![Frontier logo]()
$216
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Mon 6/18:59 pm
SAT
- STL
1 stop21h 07m
Frontier
Deal found 5/1![Frontier logo]()
$205
This CheapOair deal was found by Cheapflights users on 5/5. 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 5/299:06 pm
STL
- SAT
1 stop23h 08m
Frontier
Mon 6/17:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 5/5![Frontier logo]()
$234
This CheapOair deal was found by Cheapflights users on 5/4. 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 6/18:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Mon 6/88:59 pm
SAT
- STL
1 stop20h 06m
Frontier
Deal found 5/4![Frontier logo]()
$190
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Tue 6/28:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Fri 6/57:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 5/2![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 5/5. 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.
Thu 6/49:06 pm
STL
- SAT
1 stop23h 08m
Frontier
Sat 6/67:54 pm
SAT
- STL
1 stop23h 29m
Frontier
Deal found 5/5![Frontier logo]()
$228
This CheapOair deal was found by Cheapflights users on 4/30. 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 6/59:06 pm
STL
- SAT
1 stop23h 08m
Frontier
Tue 7/77:51 pm
SAT
- STL
1 stop23h 32m
Frontier
Deal found 4/30![Frontier logo]()
$196
This CheapOair deal was found by Cheapflights users on 5/1. 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 6/82:34 pm
MCI
- SAT
1 stop28h 22m
Frontier
Wed 6/107:51 pm
SAT
- MCI
1 stop17h 09m
Frontier
Deal found 5/1![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Wed 6/107:03 pm
STL
- SAT
1 stop25h 08m
Frontier
Wed 6/178:56 pm
SAT
- STL
1 stop17h 10m
Frontier
Deal found 5/1![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Tue 6/238:08 pm
STL
- SAT
1 stop22h 48m
Frontier
Sat 6/274:22 pm
SAT
- STL
1 stop7h 27m
Frontier
Deal found 5/1![Frontier logo]()
$215
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 May 6, 2026.
Search for one-way flight options from Missouri to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:45 pm
MCI
- SAT
1 stop5h 11m
Frontier
Deal found 5/5![Frontier logo]()
$95
This CheapOair deal was found by Cheapflights users on 5/4. 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.
Wed 7/297:03 pm
STL
- SAT
1 stop25h 11m
Frontier
Deal found 5/4![Frontier logo]()
$106
This CheapOair deal was found by Cheapflights users on 5/3. 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.
Tue 7/287:03 pm
STL
- SAT
1 stop25h 11m
Frontier
Deal found 5/3![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:45 pm
MCI
- SAT
1 stop5h 11m
Frontier
Deal found 5/1![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:45 pm
MCI
- SAT
1 stop5h 11m
Frontier
Deal found 5/5![Frontier logo]()
$115
This CheapOair deal was found by Cheapflights users on 5/4. 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.
Wed 7/17:46 pm
STL
- SAT
1 stop24h 25m
Frontier
Deal found 5/4![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 5/268:08 pm
STL
- SAT
1 stop22h 51m
Frontier
Deal found 5/4![Frontier logo]()
$126
This CheapOair deal was found by Cheapflights users on 5/4. 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.
Fri 5/159:18 pm
STL
- SAT
1 stop22h 56m
Frontier
Deal found 5/4![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/15:27 pm
STL
- SAT
2 stops26h 47m
Frontier
Deal found 5/1![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 6/301:45 pm
MCI
- SAT
1 stop29h 11m
Frontier
Deal found 5/4![Frontier logo]()
$134
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:51 pm
STL
- SAT
1 stop25h 23m
Frontier
Deal found 5/4![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 5/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:45 pm
MCI
- SAT
1 stop5h 11m
Frontier
Deal found 5/3![Frontier logo]()
$135
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $95 (Frontier) |
Popular in | November |
Cheapest in | September |
Average price | $342 |
Good round-trip deal | $276 or less |
Good one-way deal | $240 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 May 6, 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 9/23
6:30 am-12:05 pm
1 stop5h 35m
San Antonio
Wed 9/30
6:45 am-2:33 pm
1 stop7h 48m
$295
JoplinSan Antonio
JLN - SAT
JLNSAT
Joplin
Fri 7/10
8:54 am-4:29 pm
1 stop7h 35m
San Antonio
Tue 7/14
6:40 am-1:22 pm
1 stop6h 42m
$304
SpringfieldSan Antonio
SGF - SAT
SGFSAT
Springfield-Branson
Tue 6/2
6:49 pm-12:44 am
1 stop5h 55m
San Antonio
Tue 6/9
2:40 pm-10:09 pm
1 stop7h 29m
$304
JoplinSan Antonio
JLN - SAT
JLNSAT
Joplin
Thu 6/4
1:57 pm-8:54 pm
1 stop6h 57m
San Antonio
Thu 6/11
6:40 am-1:22 pm
1 stop6h 42m
$304
SpringfieldSan Antonio
SGF - SAT
SGFSAT
Springfield-Branson
Fri 7/3
5:01 am-8:46 am
1 stop3h 45m
San Antonio
Mon 7/6
5:35 pm-11:34 pm
1 stop5h 59m
$309
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Thu 6/4
2:55 pm-4:55 pm
Nonstop2h 00m
San Antonio
Thu 6/11
6:00 pm-12:30 am
1 stop6h 30m
$315
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Wed 9/16
6:00 am-12:43 pm
1 stop6h 43m
San Antonio
Fri 9/18
5:57 pm-10:33 pm
1 stop4h 36m
$318
SpringfieldSan Antonio
SGF - SAT
SGFSAT
Springfield-Branson
Wed 5/20
6:52 pm-12:44 am
1 stop5h 52m
San Antonio
Wed 5/27
2:27 pm-10:19 pm
1 stop7h 52m
$324
SpringfieldSan Antonio
SGF - SAT
SGFSAT
Springfield-Branson
Wed 5/27
6:49 pm-12:44 am
1 stop5h 55m
San Antonio
Sun 6/7
6:40 am-2:45 pm
1 stop8h 05m
$324
Kansas CitySan Antonio
MCI - SAT
MCISAT
Kansas City
Tue 9/29
4:55 pm-6:55 pm
Nonstop2h 00m
San Antonio
Thu 10/1
7:25 am-1:35 pm
1 stop6h 10m
$327
Showing 1-10 of 59 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
COU-SAT
SGF-SAT
JLN-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missouri to San Antonio
USMO-SAT
MCI-SAT
STL-SAT
COU-SAT
SGF-SAT
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 80 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.
What is the cheapest month to book a flight from Missouri to San Antonio?
Currently, October is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $77). Flying from Missouri to San Antonio in December is currently the most expensive (average of $239). 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 May 6, 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 40% versus a flight in the evening.
How much does it cost to fly round-trip from Missouri to San Antonio?
Related info for your journey
Find useful and relevant information for your journey from Missouri to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Missouri to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to San Antonio by cabin class
Find flights from Missouri to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and San Antonio flights
Browse other Missouri and San Antonio flight options. Last updated on May 6, 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 May 6, 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$111 | Average$303 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$198 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$323 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$378 | FlexibilityNo cancel fee | On-time63% |