$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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AUS
May 3 — May 101
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 April 3, 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 April 3, 2026.
This Expedia deal was found by Cheapflights users on 4/2. 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.
Sun 4/269:55 pm
STL
- AUS
1 stop14h 20m
Frontier
Mon 4/277:12 pm
AUS
- STL
1 stop28h 07m
Frontier
Deal found 4/2![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:34 pm
MCI
- AUS
1 stop5h 44m
Frontier
Wed 6/109:58 am
AUS
- MCI
1 stop27h 02m
Frontier
Deal found 3/31![Frontier logo]()
$149
This CheapOair deal was found by Cheapflights users on 4/1. 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 5/52:34 pm
MCI
- AUS
1 stop5h 44m
Frontier
Fri 5/89:13 pm
AUS
- MCI
1 stop16h 36m
Frontier
Deal found 4/1![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 4/1. 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 4/239:55 pm
STL
- AUS
1 stop19h 27m
Frontier
Mon 4/277:12 pm
AUS
- STL
1 stop28h 07m
Frontier
Deal found 4/1![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:34 pm
MCI
- AUS
1 stop19h 09m
Frontier
Wed 5/279:13 pm
AUS
- MCI
1 stop16h 36m
Frontier
Deal found 4/1![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:27 pm
STL
- AUS
1 stop23h 25m
Frontier
Fri 5/152:03 pm
AUS
- STL
1 stop18h 52m
Frontier
Deal found 4/2![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 4/1. 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.
Fri 5/111:19 am
MCI
- AUS
1 stop5h 57m
Frontier
Fri 5/89:13 pm
AUS
- MCI
1 stop16h 36m
Frontier
Deal found 4/1![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:34 pm
MCI
- AUS
1 stop5h 44m
Frontier
Wed 6/108:15 pm
AUS
- MCI
1 stop16h 45m
Frontier
Deal found 3/31![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:17 pm
STL
- AUS
1 stop24h 01m
Frontier
Fri 5/89:13 pm
AUS
- STL
1 stop22h 10m
Frontier
Deal found 3/29![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/72:34 pm
MCI
- AUS
1 stop19h 09m
Frontier
Wed 6/109:58 am
AUS
- MCI
1 stop27h 02m
Frontier
Deal found 3/31![Frontier logo]()
$190
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:15 pm
MCI
- AUS
1 stop6h 21m
Frontier
Sat 5/28:50 pm
AUS
- MCI
1 stop16h 40m
Frontier
Deal found 3/31![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Wed 6/38:08 pm
STL
- AUS
1 stop13h 35m
Frontier
Sun 6/710:52 pm
AUS
- STL
2 stops44h 31m
Frontier
Deal found 4/1![Frontier logo]()
$195
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 April 3, 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 April 3, 2026.
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:20 am
MCI
- AUS
Nonstop2h 00m
Southwest
Sun 5/310:00 pm
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/29![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:35 am
MCI
- AUS
1 stop6h 35m
Delta
Mon 9/217:20 am
AUS
- MCI
Nonstop2h 04m
Delta
Deal found 3/29![Delta logo]()
$227
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:30 am
MCI
- AUS
1 stop4h 54m
United Airlines
Sat 6/65:58 pm
AUS
- MCI
1 stop4h 33m
United Airlines
Deal found 3/30![United Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:19 pm
SGF
- AUS
1 stop24h 36m
Allegiant Air
Sun 7/197:45 pm
AUS
- SGF
1 stop13h 45m
Allegiant Air
Deal found 4/2![Allegiant Air logo]()
$334
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:43 pm
SGF
- AUS
1 stop5h 16m
American Airlines
Sat 5/305:00 am
AUS
- SGF
1 stop5h 30m
American Airlines
Deal found 3/29![American Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:41 am
SGF
- AUS
2 stops38h 48m
Multiple Airlines
Sun 7/127:45 pm
AUS
- SGF
1 stop13h 45m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 4/2. 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 5/306:25 am
MCI
- AUS
Nonstop2h 00m
Southwest
Wed 6/35:10 pm
AUS
- MCI
Nonstop1h 55m
Southwest
Deal found 4/2![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 4/2. 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.
Sat 5/26:00 am
STL
- AUS
1 stop5h 15m
Delta
Sat 5/912:27 pm
AUS
- STL
1 stop5h 33m
Delta
Deal found 4/2![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:50 am
MCI
- AUS
Nonstop1h 50m
Southwest
Sun 6/79:55 pm
AUS
- MCI
Nonstop1h 50m
Southwest
Deal found 3/31![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
MCI
- AUS
2 stops7h 04m
United Airlines
Tue 5/59:35 am
AUS
- MCI
1 stop4h 26m
United Airlines
Deal found 3/31![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:05 pm
STL
- AUS
1 stop5h 26m
Delta
Sat 5/2312:27 pm
AUS
- STL
1 stop5h 33m
Delta
Deal found 4/1![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 4/1. 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 4/297:25 am
MCI
- AUS
Nonstop2h 00m
Southwest
Wed 5/65:10 pm
AUS
- MCI
Nonstop1h 55m
Southwest
Deal found 4/1![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:21 am
STL
- AUS
1 stop8h 29m
Delta
Mon 5/116:38 pm
AUS
- STL
1 stop5h 21m
Delta
Deal found 3/31![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:20 pm
MCI
- AUS
Nonstop2h 00m
Southwest
Tue 5/510:55 am
AUS
- MCI
1 stop3h 15m
Southwest
Deal found 3/31![Southwest logo]()
$223
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:25 am
STL
- AUS
1 stop5h 19m
Delta
Fri 5/221:31 pm
AUS
- STL
1 stop7h 58m
Delta
Deal found 3/30![Delta logo]()
$242
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 5/279:14 am
COU
- AUS
1 stop7h 48m
United Airlines
Wed 6/33:37 pm
AUS
- COU
1 stop7h 29m
United Airlines
Deal found 4/1![United Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:30 am
MCI
- AUS
1 stop6h 30m
Southwest
Wed 6/35:10 pm
AUS
- MCI
Nonstop1h 55m
Southwest
Deal found 3/31![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:57 am
MCI
- AUS
Nonstop2h 06m
Delta
Mon 6/155:05 pm
AUS
- MCI
Nonstop2h 12m
Delta
Deal found 3/30![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 4/2. 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 5/28:50 am
STL
- AUS
Nonstop2h 10m
Southwest
Sat 5/911:05 am
AUS
- STL
1 stop4h 15m
Southwest
Deal found 4/2![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:00 am
COU
- AUS
2 stops8h 12m
United Airlines
Mon 7/65:09 pm
AUS
- COU
1 stop7h 24m
United Airlines
Deal found 3/31![United Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:40 am
STL
- AUS
1 stop6h 20m
Southwest
Thu 4/307:30 am
AUS
- STL
Nonstop2h 05m
Southwest
Deal found 4/2![Southwest logo]()
$231
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:28 pm
COU
- AUS
2 stops7h 19m
American Airlines
Thu 5/76:00 am
AUS
- COU
1 stop5h 35m
American Airlines
Deal found 3/29![American Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Thu 8/271:54 pm
JLN
- AUS
1 stop6h 45m
United Airlines
Sun 8/306:09 pm
AUS
- JLN
1 stop5h 44m
United Airlines
Deal found 4/2![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
STL
- AUS
1 stop7h 43m
Delta
Sun 6/76:32 pm
AUS
- STL
1 stop5h 24m
Delta
Deal found 3/30![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 4/1. 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.
Thu 4/235:20 am
MCI
- AUS
Nonstop2h 00m
Southwest
Tue 4/285:10 pm
AUS
- MCI
Nonstop1h 55m
Southwest
Deal found 4/1![Southwest logo]()
$232
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:43 pm
COU
- AUS
1 stop4h 04m
American Airlines
Sun 4/266:00 am
AUS
- COU
1 stop5h 35m
American Airlines
Deal found 3/31![American Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/175:00 am
COU
- AUS
1 stop5h 17m
United Airlines
Tue 4/2112:45 pm
AUS
- COU
1 stop8h 18m
United Airlines
Deal found 4/2![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:40 pm
STL
- AUS
Nonstop2h 10m
Southwest
Tue 5/57:30 am
AUS
- STL
Nonstop2h 05m
Southwest
Deal found 3/29![Southwest logo]()
$245
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 5/206:25 am
SGF
- AUS
1 stop4h 51m
United Airlines
Sat 5/2312:15 pm
AUS
- SGF
1 stop6h 28m
United Airlines
Deal found 4/1![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 3/30. 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 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 5/43:34 pm
AUS
- SGF
1 stop5h 33m
Delta
Deal found 3/30![Delta logo]()
$329
Last-minute flights from Missouri to AustinDiscover last-minute flight deals from Missouri to Austin. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Austin. Data last updated April 3, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:06 pm
STL
- AUS
1 stop23h 49m
Frontier
Mon 4/207:12 pm
AUS
- STL
1 stop28h 07m
Frontier
Deal found 4/1![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 4/1. 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 4/239:55 pm
STL
- AUS
1 stop19h 27m
Frontier
Mon 4/277:12 pm
AUS
- STL
1 stop28h 07m
Frontier
Deal found 4/1![Frontier logo]()
$161
This Expedia deal was found by Cheapflights users on 4/2. 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.
Sun 4/269:55 pm
STL
- AUS
1 stop14h 20m
Frontier
Mon 4/277:12 pm
AUS
- STL
1 stop28h 07m
Frontier
Deal found 4/2![Frontier logo]()
$140
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:15 pm
MCI
- AUS
1 stop6h 21m
Frontier
Sat 5/28:50 pm
AUS
- MCI
1 stop16h 40m
Frontier
Deal found 3/31![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 4/1. 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.
Fri 5/111:19 am
MCI
- AUS
1 stop5h 57m
Frontier
Fri 5/89:13 pm
AUS
- MCI
1 stop16h 36m
Frontier
Deal found 4/1![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:19 am
MCI
- AUS
1 stop5h 57m
Frontier
Sun 5/39:51 pm
AUS
- MCI
1 stop15h 39m
Frontier
Deal found 4/2![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:17 pm
STL
- AUS
1 stop24h 01m
Frontier
Fri 5/89:13 pm
AUS
- STL
1 stop22h 10m
Frontier
Deal found 3/29![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 4/1. 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 5/52:34 pm
MCI
- AUS
1 stop5h 44m
Frontier
Fri 5/89:13 pm
AUS
- MCI
1 stop16h 36m
Frontier
Deal found 4/1![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:27 pm
STL
- AUS
1 stop23h 25m
Frontier
Fri 5/152:03 pm
AUS
- STL
1 stop18h 52m
Frontier
Deal found 4/2![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:34 pm
MCI
- AUS
1 stop19h 09m
Frontier
Wed 5/279:13 pm
AUS
- MCI
1 stop16h 36m
Frontier
Deal found 4/1![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:34 pm
MCI
- AUS
1 stop5h 44m
Frontier
Wed 6/108:15 pm
AUS
- MCI
1 stop16h 45m
Frontier
Deal found 3/31![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:34 pm
MCI
- AUS
1 stop5h 44m
Frontier
Wed 6/109:58 am
AUS
- MCI
1 stop27h 02m
Frontier
Deal found 3/31![Frontier logo]()
$149
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 April 3, 2026.
Search for one-way flight options from Missouri to Austin. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:51 pm
MCI
- AUS
1 stop5h 04m
Frontier
Deal found 3/30![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:23 pm
STL
- AUS
1 stop20h 22m
Frontier
Deal found 4/3![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:08 pm
STL
- AUS
1 stop13h 35m
Frontier
Deal found 4/1![Frontier logo]()
$72
This Travelocity deal was found by Cheapflights users on 4/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:34 pm
MCI
- AUS
1 stop19h 09m
Frontier
Deal found 4/1![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:55 pm
STL
- AUS
1 stop14h 20m
Frontier
Deal found 3/30![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:34 pm
MCI
- AUS
1 stop5h 44m
Frontier
Deal found 3/31![Frontier logo]()
$78
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:55 pm
STL
- AUS
1 stop21h 49m
Frontier
Deal found 3/30![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:08 pm
STL
- AUS
1 stop13h 05m
Frontier
Deal found 3/31![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:34 pm
MCI
- AUS
1 stop19h 09m
Frontier
Deal found 3/31![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:17 pm
STL
- AUS
1 stop24h 01m
Frontier
Deal found 4/2![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:15 pm
MCI
- AUS
1 stop6h 37m
Frontier
Deal found 4/3![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:17 pm
STL
- AUS
1 stop21h 01m
Frontier
Deal found 3/30![Frontier logo]()
$84
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 April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Expedia) |
One-way from | $70 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $315 |
Good round-trip deal | $287 or less |
Good one-way deal | $110 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 April 3, 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
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
Sat 5/30
6:25 am-8:25 am
Nonstop2h 00m
Austin Bergstrom
Wed 6/3
5:10 pm-7:05 pm
Nonstop1h 55m
$217
Quickest round-trip
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Fri 6/5
6:50 am-8:40 am
Nonstop1h 50m
Austin Bergstrom
Sun 6/7
9:55 pm-11:45 pm
Nonstop1h 50m
$217
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Wed 4/29
7:25 am-9:25 am
Nonstop2h 00m
Austin Bergstrom
Wed 5/6
5:10 pm-7:05 pm
Nonstop1h 55m
$217
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Tue 4/28
5:20 pm-7:20 pm
Nonstop2h 00m
Austin Bergstrom
Tue 5/5
10:55 am-2:10 pm
1 stop3h 15m
$223
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Sat 9/19
10:35 am-5:10 pm
1 stop6h 35m
Austin Bergstrom
Mon 9/21
7:20 am-9:24 am
Nonstop2h 04m
$227
Kansas CityAustin
MCI - AUS
MCIAUS
Kansas City
Wed 5/27
5:30 am-12:00 pm
1 stop6h 30m
Austin Bergstrom
Wed 6/3
5:10 pm-7:05 pm
Nonstop1h 55m
$227
St. LouisAustin
STL - AUS
STLAUS
Lambert-St Louis
Sat 5/2
8:50 am-11:00 am
Nonstop2h 10m
Austin Bergstrom
Sat 5/9
11:05 am-3:20 pm
1 stop4h 15m
$227
St. LouisAustin
STL - AUS
STLAUS
Lambert-St Louis
Sat 5/2
6:00 am-11:15 am
1 stop5h 15m
Austin Bergstrom
Sat 5/9
12:27 pm-6:00 pm
1 stop5h 33m
$231
St. LouisAustin
STL - AUS
STLAUS
Lambert-St Louis
Sat 5/16
7:05 pm-12:31 am
1 stop5h 26m
Austin Bergstrom
Sat 5/23
12:27 pm-6:00 pm
1 stop5h 33m
$231
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.
STL-AUS
SGF-AUS
MCI-AUS
COU-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
STL-AUS
SGF-AUS
MCI-AUS
COU-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 $122). Flying from Missouri to Austin in March is currently the most expensive (average of $220). 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 April 3, 2026.
It’s typically best to fly out from Missouri to Austin at noon. Doing so could potentially save you 13% 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 28, 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.
How much does it cost to fly round-trip from Missouri to Austin?
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
Round Rock
Fredericksburg
Pflugerville
Georgetown
Bastrop
Dripping Springs
Seguin
Canyon Lake
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 April 3, 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 April 3, 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$294 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$302 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$171 | Average$320 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$378 | FlexibilityNo cancel fee | On-time71% |