$70+ Cheap flights from Missouri to Austin (AUS)
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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AUS
Apr 23 — Apr 301
Round-trip
1 adult, Economy
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Cheapest flights from Missouri to AustinExplore the most affordable flight options available from Missouri to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.
Explore the most affordable flight options available from Missouri to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.
This Frontier deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/1412:16 pm
STL
- AUS
1 stop9h 31m
Frontier
Mon 5/1811:30 am
AUS
- STL
1 stop12h 51m
Frontier
Deal found 3/24![Frontier logo]()
$140
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/277:25 am
MCI
- AUS
Nonstop2h 00m
Southwest
Tue 6/95:25 pm
AUS
- MCI
Nonstop1h 55m
Southwest
Deal found 3/23![Southwest logo]()
$143
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/272:00 pm
MCI
- AUS
1 stop4h 15m
Southwest
Wed 6/107:00 am
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/23![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 6/47:50 pm
MCI
- AUS
1 stop4h 00m
Southwest
Wed 6/107:00 am
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/23![Southwest logo]()
$166
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/265:13 pm
MCI
- AUS
1 stop7h 18m
Delta
Wed 6/105:05 pm
AUS
- MCI
Nonstop2h 12m
Delta
Deal found 3/23![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/65:20 pm
MCI
- AUS
Nonstop2h 00m
Southwest
Fri 5/89:35 pm
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/23![Southwest logo]()
$171
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/291:03 pm
STL
- AUS
1 stop6h 43m
Delta
Tue 5/56:39 pm
AUS
- STL
1 stop4h 57m
Delta
Deal found 3/24![Delta logo]()
$171
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/266:38 pm
MCI
- AUS
1 stop5h 53m
Delta
Thu 6/115:05 pm
AUS
- MCI
Nonstop2h 12m
Delta
Deal found 3/23![Delta logo]()
$173
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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
- AUS
Nonstop2h 10m
Southwest
Tue 4/287:30 am
AUS
- STL
Nonstop2h 05m
Southwest
Deal found 3/22![Southwest logo]()
$174
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/214:41 pm
STL
- AUS
1 stop7h 36m
Delta
Tue 4/286:39 pm
AUS
- STL
1 stop4h 57m
Delta
Deal found 3/24![Delta logo]()
$176
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/265:13 pm
MCI
- AUS
1 stop7h 18m
Delta
Tue 6/95:30 am
AUS
- MCI
1 stop5h 45m
Delta
Deal found 3/23![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/285:45 pm
MCI
- AUS
1 stop4h 50m
Delta
Thu 6/117:10 am
AUS
- MCI
Nonstop2h 07m
Delta
Deal found 3/23![Delta logo]()
$179
Best flights from Missouri to AustinDiscover carefully curated flight deals from Missouri to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
Discover carefully curated flight deals from Missouri to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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
- AUS
Nonstop2h 10m
Southwest
Tue 4/283:05 pm
AUS
- STL
1 stop6h 05m
Southwest
Deal found 3/22![Southwest logo]()
$178
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/2410:18 am
MCI
- AUS
1 stop7h 08m
United Airlines
Sun 4/265:30 am
AUS
- MCI
1 stop3h 59m
United Airlines
Deal found 3/24![United Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 am
STL
- AUS
1 stop5h 15m
Delta
Fri 5/86:14 pm
AUS
- STL
1 stop5h 07m
Delta
Deal found 3/19![Delta logo]()
$255
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/98:50 am
STL
- AUS
Nonstop2h 10m
Southwest
Mon 5/117:55 pm
AUS
- STL
1 stop4h 20m
Southwest
Deal found 3/23![Southwest logo]()
$212
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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
MCI
- AUS
1 stop5h 25m
United Airlines
Tue 4/285:56 pm
AUS
- MCI
1 stop4h 33m
United Airlines
Deal found 3/20![United Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 5/15:20 am
MCI
- AUS
Nonstop2h 00m
Southwest
Sun 5/310:00 pm
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/19![Southwest logo]()
$217
This American Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/144:28 pm
COU
- AUS
1 stop7h 23m
American Airlines
Sun 5/172:46 pm
AUS
- COU
1 stop4h 27m
American Airlines
Deal found 3/23![American Airlines logo]()
$506
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 4/217:25 am
MCI
- AUS
Nonstop2h 00m
Southwest
Tue 4/286:40 am
AUS
- MCI
Nonstop1h 55m
Southwest
Deal found 3/20![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 7/173:40 pm
STL
- AUS
1 stop6h 27m
Delta
Wed 7/224:55 pm
AUS
- STL
1 stop6h 58m
Delta
Deal found 3/24![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 5/15:20 am
MCI
- AUS
Nonstop2h 00m
Southwest
Mon 5/49:35 pm
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/19![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:05 pm
MCI
- AUS
1 stop5h 05m
Southwest
Wed 4/296:40 am
AUS
- MCI
Nonstop1h 55m
Southwest
Deal found 3/19![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/78:00 am
COU
- AUS
1 stop8h 16m
United Airlines
Sat 4/1112:46 pm
AUS
- COU
1 stop8h 17m
United Airlines
Deal found 3/23![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 5/35:15 am
MCI
- AUS
1 stop4h 35m
Southwest
Fri 5/86:25 pm
AUS
- MCI
1 stop5h 10m
Southwest
Deal found 3/22![Southwest logo]()
$228
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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.
Sun 4/56:00 am
SGF
- AUS
1 stop8h 39m
Delta
Sat 4/115:22 am
AUS
- SGF
1 stop5h 45m
Delta
Deal found 3/20![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/45:00 am
COU
- AUS
1 stop7h 36m
United Airlines
Wed 4/812:15 pm
AUS
- COU
2 stops8h 48m
United Airlines
Deal found 3/19![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 6/116:10 am
MCI
- AUS
1 stop5h 55m
Southwest
Sun 6/146:40 am
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/23![Southwest logo]()
$231
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/42:52 pm
SGF
- AUS
1 stop6h 42m
United Airlines
Wed 4/87:00 am
AUS
- SGF
1 stop5h 49m
United Airlines
Deal found 3/19![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/169:55 am
MCI
- AUS
Nonstop2h 00m
Southwest
Thu 4/239:35 pm
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/19![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/306:55 pm
SGF
- AUS
1 stop5h 22m
Delta
Mon 5/45:25 am
AUS
- SGF
1 stop5h 36m
Delta
Deal found 3/19![Delta logo]()
$404
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/89:40 pm
STL
- AUS
Nonstop2h 10m
Southwest
Fri 5/155:30 am
AUS
- STL
1 stop4h 05m
Southwest
Deal found 3/23![Southwest logo]()
$246
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:23 am
SGF
- AUS
2 stops8h 36m
United Airlines
Sun 4/129:35 am
AUS
- SGF
1 stop4h 42m
United Airlines
Deal found 3/24![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 5/49:40 pm
STL
- AUS
Nonstop2h 10m
Southwest
Fri 5/82:55 pm
AUS
- STL
1 stop6h 00m
Southwest
Deal found 3/21![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 9/168:00 am
COU
- AUS
1 stop5h 47m
United Airlines
Sat 9/196:25 am
AUS
- COU
1 stop8h 05m
United Airlines
Deal found 3/19![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/298:25 am
STL
- AUS
Nonstop2h 10m
Southwest
Fri 5/14:50 pm
AUS
- STL
Nonstop2h 05m
Southwest
Deal found 3/21![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:58 pm
JLN
- AUS
1 stop5h 19m
United Airlines
Sat 5/27:00 am
AUS
- JLN
1 stop6h 37m
United Airlines
Deal found 3/23![United Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 6/710:25 pm
STL
- AUS
Nonstop2h 00m
Southwest
Thu 6/118:10 pm
AUS
- STL
1 stop4h 25m
Southwest
Deal found 3/20![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/256:15 am
SGF
- AUS
1 stop5h 04m
United Airlines
Wed 4/293:38 pm
AUS
- SGF
1 stop6h 26m
United Airlines
Deal found 3/19![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 6/22:30 pm
STL
- AUS
1 stop6h 55m
Southwest
Sat 6/64:55 pm
AUS
- STL
2 stops6h 50m
Southwest
Deal found 3/24![Southwest logo]()
$272
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:15 am
SGF
- AUS
1 stop5h 04m
United Airlines
Sat 4/185:30 am
AUS
- SGF
2 stops9h 05m
United Airlines
Deal found 3/23![United Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/195:10 am
MCI
- AUS
Nonstop2h 00m
Southwest
Sun 4/265:20 am
AUS
- MCI
Nonstop1h 55m
Southwest
Deal found 3/22![Southwest logo]()
$273
Last-minute flights from Missouri to AustinDiscover last-minute flight deals from Missouri to Austin. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Austin. Data last updated March 24, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/98:46 pm
MCI
- AUS
1 stop13h 19m
Frontier
Mon 4/136:45 am
AUS
- MCI
1 stop13h 13m
Frontier
Deal found 3/21![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:14 pm
STL
- AUS
1 stop7h 52m
Frontier
Sun 4/1210:01 pm
AUS
- STL
1 stop13h 26m
Frontier
Deal found 3/23![Frontier logo]()
$201
This CheapOair deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/108:43 pm
MCI
- AUS
1 stop27h 38m
Frontier
Sun 4/126:45 am
AUS
- MCI
1 stop12h 48m
Frontier
Deal found 3/24![Frontier logo]()
$191
This Trip.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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.
Fri 4/108:16 pm
STL
- AUS
1 stop28h 05m
Frontier
Sun 4/126:45 am
AUS
- STL
1 stop27h 03m
Frontier
Deal found 3/23![Frontier logo]()
$197
This American Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/176:06 pm
MCI
- AUS
1 stop5h 45m
American Airlines
Tue 4/215:00 am
AUS
- MCI
1 stop5h 15m
American Airlines
Deal found 3/24![American Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/176:06 pm
MCI
- AUS
1 stop5h 45m
American Airlines
Mon 4/208:30 pm
AUS
- MCI
1 stop3h 37m
American Airlines
Deal found 3/23![American Airlines logo]()
$203
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
STL
- AUS
1 stop5h 15m
Delta
Wed 4/225:25 am
AUS
- STL
1 stop5h 09m
Delta
Deal found 3/24![Delta logo]()
$192
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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
- AUS
Nonstop2h 10m
Southwest
Tue 4/287:30 am
AUS
- STL
Nonstop2h 05m
Southwest
Deal found 3/22![Southwest logo]()
$174
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/214:41 pm
STL
- AUS
1 stop7h 36m
Delta
Tue 4/286:39 pm
AUS
- STL
1 stop4h 57m
Delta
Deal found 3/24![Delta logo]()
$176
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/245:50 pm
MCI
- AUS
Nonstop2h 05m
Southwest
Mon 4/276:25 am
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/22![Southwest logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/248:06 pm
STL
- AUS
1 stop23h 49m
Frontier
Fri 5/19:47 pm
AUS
- STL
1 stop21h 45m
Frontier
Deal found 3/24![Frontier logo]()
$193
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/291:03 pm
STL
- AUS
1 stop6h 43m
Delta
Tue 5/56:39 pm
AUS
- STL
1 stop4h 57m
Delta
Deal found 3/24![Delta logo]()
$171
One-way flights from Missouri to AustinSearch for one-way flight options from Missouri to Austin. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
Search for one-way flight options from Missouri to Austin. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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.
Sat 4/182:51 pm
MCI
- AUS
1 stop5h 04m
Frontier
Deal found 3/20![Frontier logo]()
$70
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/227:25 am
MCI
- AUS
Nonstop2h 00m
Southwest
Deal found 3/23![Southwest logo]()
$72
This Orbitz deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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.
Sun 4/199:55 pm
STL
- AUS
1 stop14h 52m
Frontier
Deal found 3/20![Frontier logo]()
$76
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 6/19:55 am
MCI
- AUS
Nonstop2h 00m
Southwest
Deal found 3/23![Southwest logo]()
$85
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/226:50 pm
STL
- AUS
1 stop5h 27m
Delta
Deal found 3/23![Delta logo]()
$86
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/228:55 pm
STL
- AUS
Nonstop2h 10m
Southwest
Deal found 3/23![Southwest logo]()
$87
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/226:47 pm
MCI
- AUS
1 stop5h 30m
Delta
Deal found 3/23![Delta logo]()
$89
This Priceline deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:15 pm
MCI
- AUS
1 stop6h 21m
Frontier
Deal found 3/23![Frontier logo]()
$90
This Priceline deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1712:16 pm
STL
- AUS
1 stop9h 31m
Frontier
Deal found 3/23![Frontier logo]()
$90
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/214:41 pm
STL
- AUS
1 stop7h 36m
Delta
Deal found 3/24![Delta logo]()
$91
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/152:30 pm
STL
- AUS
Nonstop2h 10m
Southwest
Deal found 3/24![Southwest logo]()
$93
This Frontier deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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.
Sat 5/232:34 pm
MCI
- AUS
1 stop5h 44m
Frontier
Deal found 3/22![Frontier logo]()
$95
Find flight deals from Missouri to Austin
Keep the following information in mind while searching for Missouri to Austin flight deals. Data was last updated March 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Frontier) |
One-way from | $70 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $434 |
Good round-trip deal | $269 or less |
Good one-way deal | $124 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Austin 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 24, 2026.
Use the filters below to find and compare flights from Missouri to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisAustin
STL - AUS
STLAUS
Lambert-St Louis
Tue 4/21
8:55 pm-11:05 pm
Nonstop2h 10m
Austin Bergstrom
Tue 4/28
3:05 pm-9:10 pm
1 stop6h 05m
$178
St. LouisAustin
STL - AUS
STLAUS
Lambert-St Louis
Sat 5/9
8:50 am-11:00 am
Nonstop2h 10m
Austin Bergstrom
Mon 5/11
7:55 pm-12:15 am
1 stop4h 20m
$212
Quickest round-trip
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Fri 5/1
5:20 am-7:20 am
Nonstop2h 00m
Austin Bergstrom
Sun 5/3
10:00 pm-11:50 pm
Nonstop1h 50m
$217
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Tue 4/21
7:25 am-9:25 am
Nonstop2h 00m
Austin Bergstrom
Tue 4/28
6:40 am-8:35 am
Nonstop1h 55m
$217
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Fri 5/1
5:20 am-7:20 am
Nonstop2h 00m
Austin Bergstrom
Mon 5/4
9:35 pm-11:25 pm
Nonstop1h 50m
$217
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Fri 4/24
10:18 am-5:26 pm
1 stop7h 08m
Austin Bergstrom
Sun 4/26
5:30 am-9:29 am
1 stop3h 59m
$227
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Mon 4/27
7:05 pm-12:10 am
1 stop5h 05m
Austin Bergstrom
Wed 4/29
6:40 am-8:35 am
Nonstop1h 55m
$227
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Sun 5/3
5:15 am-9:50 am
1 stop4h 35m
Austin Bergstrom
Fri 5/8
6:25 pm-11:35 pm
1 stop5h 10m
$228
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Thu 6/11
6:10 am-12:05 pm
1 stop5h 55m
Austin Bergstrom
Sun 6/14
6:40 am-8:30 am
Nonstop1h 50m
$231
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Tue 4/21
6:00 am-11:25 am
1 stop5h 25m
Austin Bergstrom
Tue 4/28
5:56 pm-10:29 pm
1 stop4h 33m
$232
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Missouri with our price prediction graph.
MCI-AUS
STL-AUS
COU-AUS
SGF-AUS
JLN-AUS
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 Austin
USMO-AUS
MCI-AUS
STL-AUS
COU-AUS
SGF-AUS
What is the cheapest month to book a flight from Missouri to Austin?
Currently, May is the cheapest month in which you can book a flight from Missouri to Austin (average of $119). Flying from Missouri to Austin in March is currently the most expensive (average of $236). 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 AUS?
Find hourly flight availability from Missouri to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 24, 2026.
It’s typically best to fly out from Missouri to Austin at noon. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Missouri to Austin?
Use this chart to determine the cheapest time to fly round-trip from Missouri to Austin. Price data was last updated on March 23, 2026.
Travelers seeking maximum savings on their Missouri to Austin flight should consider departing on Saturday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Austin. 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 Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
San Marcos
Fredericksburg
Round Rock
Pflugerville
Georgetown
Bastrop
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay
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 Austin
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 24, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Austin by cabin class
Find flights from Missouri to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Austin flights
Browse other Missouri and Austin flight options. Last updated on March 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Missouri to Austin flights
Consider these flights traveling from Missouri to Austin.
Top 4 airlines flying from Missouri to Austin
Discover the top 4 airlines that operate flights from Missouri to Austin. 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 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$294 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$308 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$172 | Average$318 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$376 | FlexibilityNo cancel fee | On-time71% |