$100+ Cheap flights from Missouri to San Antonio (SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAT
Nov 6 — Nov 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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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 October 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 October 7, 2026.
This CheapOair deal was found by Cheapflights users on 10/6. 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.
Mon 12/148:32 pm -
1 stop21h 29m
Wed 12/166:47 pm -
1 stop24h 54m
Deal found 10/6![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 10/5. 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.
Tue 11/241:29 pm -
1 stop7h 47m
Sat 11/281:31 pm -
1 stop6h 03m
Deal found 10/5![Frontier logo]()
$244
This CheapOair deal was found by Cheapflights users on 10/6. 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.
Wed 12/27:58 pm -
1 stop23h 58m
Fri 12/41:32 pm -
1 stop10h 40m
Deal found 10/6![Frontier logo]()
$247
This CheapOair deal was found by Cheapflights users on 10/5. 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.
Mon 11/28:43 pm -
1 stop22h 42m
Thu 11/510:30 pm -
1 stop13h 25m
Deal found 10/5![Frontier logo]()
$248
This Trip.com deal was found by Cheapflights users on 10/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:59 pm -
1 stop23h 26m
Mon 11/165:13 pm -
1 stop6h 03m
Deal found 10/6![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 10/6. 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.
Thu 11/191:37 pm -
1 stop7h 57m
Sun 11/228:28 pm -
1 stop23h 06m
Deal found 10/6![Frontier logo]()
$257
This CheapOair deal was found by Cheapflights users on 10/6. 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.
Fri 10/238:43 pm -
1 stop22h 43m
Tue 10/278:20 pm -
1 stop23h 27m
Deal found 10/6![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:43 pm -
1 stop22h 42m
Sat 11/78:20 pm -
1 stop23h 27m
Deal found 10/5![Frontier logo]()
$264
This Expedia deal was found by Cheapflights users on 10/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:59 pm -
1 stop23h 26m
Fri 11/68:11 pm -
1 stop23h 03m
Deal found 10/2![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 10/5. 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 11/114:18 pm -
1 stop27h 07m
Fri 11/138:11 pm -
1 stop23h 03m
Deal found 10/5![Frontier logo]()
$267
This Delta deal was found by Cheapflights users on 10/5. 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 11/246:00 am -
1 stop5h 55m
Tue 11/246:30 pm -
1 stop4h 54m
Deal found 10/5![Delta logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:43 pm -
1 stop22h 42m
Sat 11/78:20 pm -
1 stop23h 27m
Deal found 10/5![Frontier logo]()
$270
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 October 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 October 7, 2026.
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Mon 1/253:18 pm -
2 stops7h 41m
Thu 1/287:25 am -
1 stop4h 16m
Deal found 10/5![United Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 10/5. 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 10/299:45 pm -
Nonstop2h 10m
Fri 10/306:45 pm -
1 stop5h 55m
Deal found 10/5![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:49 pm -
1 stop4h 10m
Wed 11/1112:45 pm -
1 stop5h 27m
Deal found 10/2![American Airlines logo]()
$339
This CheapOair deal was found by Cheapflights users on 10/6. 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.
Fri 10/161:30 pm -
1 stop8h 19m
Sat 10/172:47 pm -
1 stop20h 44m
Deal found 10/6![Frontier logo]()
$440
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:30 am -
1 stop4h 36m
Fri 12/42:18 pm -
2 stops8h 41m
Deal found 10/6![United Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 10/4. 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.
Sat 11/213:55 pm -
Nonstop2h 05m
Mon 11/236:05 pm -
1 stop5h 50m
Deal found 10/4![Southwest logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:35 pm -
1 stop4h 29m
Mon 11/98:16 pm -
1 stop3h 36m
Deal found 10/4![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/3. 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 11/69:01 am -
1 stop7h 54m
Mon 11/91:52 pm -
1 stop6h 49m
Deal found 10/3![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 10/6. 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.
Wed 11/45:15 pm -
1 stop3h 25m
Thu 11/511:25 am -
Nonstop1h 55m
Deal found 10/6![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/122:55 pm -
1 stop4h 15m
Sun 11/156:34 am -
1 stop7h 59m
Deal found 10/5![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/2. 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.
Sat 10/248:55 am -
1 stop4h 45m
Sat 10/316:40 am -
Nonstop2h 10m
Deal found 10/2![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:34 pm -
2 stops7h 52m
Thu 11/55:30 am -
1 stop4h 36m
Deal found 10/6![United Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 10/2. 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 10/309:00 am -
1 stop4h 16m
Wed 11/115:30 am -
2 stops9h 03m
Deal found 10/2![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 10/2. 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.
Mon 12/75:15 pm -
1 stop3h 20m
Fri 12/1111:25 am -
Nonstop1h 55m
Deal found 10/2![Southwest logo]()
$383
This United Airlines deal was found by Cheapflights users on 10/2. 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 10/203:05 pm -
2 stops7h 46m
Sat 10/244:17 pm -
1 stop4h 17m
Deal found 10/2![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 10/2. 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 10/308:30 am -
Nonstop2h 10m
Fri 11/64:55 pm -
Nonstop2h 05m
Deal found 10/2![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Sat 10/176:15 am -
1 stop5h 51m
Wed 10/215:30 am -
2 stops9h 38m
Deal found 10/2![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 10/3. 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.
Fri 10/306:05 pm -
Nonstop2h 00m
Tue 11/36:10 am -
1 stop6h 15m
Deal found 10/3![Southwest logo]()
$430
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:45 am -
1 stop7h 04m
Thu 10/294:48 pm -
1 stop7h 04m
Deal found 10/6![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 10/5. 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 11/246:05 pm -
1 stop6h 35m
Sun 11/2911:55 am -
Nonstop2h 00m
Deal found 10/5![Southwest logo]()
$431
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:00 am -
1 stop4h 51m
Mon 1/44:13 pm -
2 stops7h 31m
Deal found 10/6![United Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 10/3. 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.
Fri 12/186:05 pm -
Nonstop2h 00m
Sat 1/21:25 pm -
Nonstop1h 55m
Deal found 10/3![Southwest logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 am -
2 stops8h 16m
Mon 11/22:20 pm -
2 stops9h 04m
Deal found 10/6![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 10/4. 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 2/265:40 am -
1 stop8h 05m
Sun 2/2811:40 am -
Nonstop1h 55m
Deal found 10/4![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 10/3. 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.
Mon 1/49:50 pm -
Nonstop2h 15m
Sat 1/95:40 am -
1 stop8h 10m
Deal found 10/3![Southwest logo]()
$450
This United Airlines deal was found by Cheapflights users on 10/3. 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 12/33:04 pm -
1 stop7h 48m
Sun 12/66:35 am -
1 stop7h 53m
Deal found 10/3![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Sat 2/273:16 pm -
1 stop8h 01m
Wed 3/36:43 am -
1 stop7h 33m
Deal found 10/2![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 10/6. 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.
Thu 10/224:20 pm -
2 stops7h 35m
Mon 10/265:45 pm -
1 stop5h 30m
Deal found 10/6![Southwest logo]()
$479
This United Airlines deal was found by Cheapflights users on 10/2. 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 12/165:45 am -
2 stops7h 21m
Mon 12/215:15 am -
1 stop4h 47m
Deal found 10/2![United Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:50 pm -
1 stop6h 14m
Wed 12/99:41 am -
1 stop6h 33m
Deal found 10/6![United Airlines logo]()
$439
Last-minute flights from Missouri to San AntonioDiscover last-minute flight deals from Missouri to San Antonio. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to San Antonio. Data last updated October 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/5. 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.
Mon 10/198:43 pm -
1 stop22h 43m
Thu 10/228:21 pm -
1 stop23h 27m
Deal found 10/5![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 10/6. 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.
Fri 10/238:43 pm -
1 stop22h 43m
Tue 10/278:20 pm -
1 stop23h 27m
Deal found 10/6![Frontier logo]()
$263
This CheapOair deal was found by Cheapflights users on 10/5. 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 10/238:43 pm -
1 stop22h 43m
Mon 10/268:21 pm -
1 stop23h 26m
Deal found 10/5![Frontier logo]()
$271
This Expedia deal was found by Cheapflights users on 10/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:59 pm -
1 stop23h 26m
Fri 11/68:11 pm -
1 stop23h 03m
Deal found 10/2![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 10/5. 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.
Mon 11/28:43 pm -
1 stop22h 42m
Thu 11/510:30 pm -
1 stop13h 25m
Deal found 10/5![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:43 pm -
1 stop22h 42m
Sat 11/78:20 pm -
1 stop23h 27m
Deal found 10/5![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:43 pm -
1 stop22h 42m
Sat 11/78:20 pm -
1 stop23h 27m
Deal found 10/5![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 10/5. 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 11/114:18 pm -
1 stop27h 07m
Fri 11/138:11 pm -
1 stop23h 03m
Deal found 10/5![Frontier logo]()
$267
This Trip.com deal was found by Cheapflights users on 10/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:59 pm -
1 stop23h 26m
Mon 11/165:13 pm -
1 stop6h 03m
Deal found 10/6![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 10/6. 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.
Thu 11/191:37 pm -
1 stop7h 57m
Sun 11/228:28 pm -
1 stop23h 06m
Deal found 10/6![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 10/5. 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.
Tue 11/241:29 pm -
1 stop7h 47m
Sat 11/281:31 pm -
1 stop6h 03m
Deal found 10/5![Frontier logo]()
$244
This Delta deal was found by Cheapflights users on 10/5. 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 11/242:25 pm -
1 stop5h 23m
Wed 11/251:44 pm -
1 stop5h 15m
Deal found 10/5![Delta logo]()
$269
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 October 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 October 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:43 pm -
1 stop22h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:43 pm -
1 stop22h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 10/7. 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 11/51:28 pm -
1 stop8h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$108
This Trip.com deal was found by Cheapflights users on 10/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:43 pm -
1 stop22h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 10/6. 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.
Sat 11/148:43 pm -
1 stop22h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:43 pm -
1 stop22h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$118
This Orbitz deal was found by Cheapflights users on 10/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:43 pm -
1 stop22h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 10/5. 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.
Fri 11/612:53 pm -
1 stop8h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 10/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:47 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:34 pm -
2 stops24h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 10/6. 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.
Sat 12/57:54 pm -
1 stop24h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$129
This Southwest deal was found by Cheapflights users on 10/6. 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 12/59:50 am -
1 stop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$130
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 October 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (CheapOair) |
One-way from | $100 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $450 |
Good round-trip deal | $367 or less |
Good one-way deal | $218 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 7,457,451 searches. Data last updated October 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
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Fri 11/6
12:53 pm-9:34 pm
1 stop8h 41m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Wed 11/4
5:15 pm-8:40 pm
1 stop3h 25m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$131
St. LouisSan Antonio
STL Lambert-St Louis - SAT San Antonio
STLSAT
Lambert-St Louis
Wed 1/6
8:25 am-10:50 am
Nonstop2h 25m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
St. LouisSan Antonio
STL Lambert-St Louis - SAT San Antonio
STLSAT
Lambert-St Louis
Tue 1/5
9:00 am-3:28 pm
1 stop6h 28m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$138
St. LouisSan Antonio
STL Lambert-St Louis - SAT San Antonio
STLSAT
Lambert-St Louis
Wed 11/25
6:30 pm-1:25 am
1 stop6h 55m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$138
St. LouisSan Antonio
STL Lambert-St Louis - SAT San Antonio
STLSAT
Lambert-St Louis
Mon 11/2
9:50 pm-12:05 am
Nonstop2h 15m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$142
St. LouisSan Antonio
STL Lambert-St Louis - SAT San Antonio
STLSAT
Lambert-St Louis
Thu 11/5
9:50 pm-12:10 am
Nonstop2h 20m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$142
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Sat 11/7
7:04 am-12:35 pm
1 stop5h 31m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$143
St. LouisSan Antonio
STL Lambert-St Louis - SAT San Antonio
STLSAT
Lambert-St Louis
Tue 11/3
6:00 am-12:35 pm
1 stop6h 35m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$164
St. LouisSan Antonio
STL Lambert-St Louis - SAT San Antonio
STLSAT
Lambert-St Louis
Fri 10/30
6:44 pm-9:45 am
2 stops39h 01m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$173
Showing 1-10 of 58 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
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 $335). 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 October 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 26% versus a flight at noon.
Weekly flight availability from Missouri to San Antonio
Explore weekly flight availability from Missouri to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 7, 2026.
The most flights from USMO to SAT are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
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 $382 and $734 in December.The cheapest round-trip price found within the last 5 days was $247 on Frontier (Dec 2-Dec 4).
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 72 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 October 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 October 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 7,457,451 searches. Data last updated October 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$270 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$266 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$354 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$429 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$409 | FlexibilityNo cancel fee | On-time63% |