$70+ Cheap flights from St. Louis (STL) to Louisiana
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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
May 23 — May 301
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Louisiana with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from St. Louis to LouisianaExplore the most affordable flight options available from St. Louis to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
Explore the most affordable flight options available from St. Louis to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
This Expedia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/1012:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Thu 5/149:46 pm
MSY
- STL
1 stop22h 37m
Frontier
Deal found 4/18![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/94:19 pm
STL
- MSY
1 stop23h 13m
Frontier
Mon 5/114:25 pm
MSY
- STL
1 stop7h 56m
Frontier
Deal found 4/18![Frontier logo]()
$141
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Thu 5/149:46 pm
MSY
- STL
1 stop22h 37m
Frontier
Deal found 4/21![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:33 pm
STL
- MSY
1 stop21h 48m
Frontier
Tue 5/265:21 pm
MSY
- STL
1 stop15h 34m
Frontier
Deal found 4/20![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 4/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Sat 5/95:18 pm
MSY
- STL
1 stop7h 03m
Frontier
Deal found 4/21![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/22. 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.
Thu 5/712:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Sat 5/165:18 pm
MSY
- STL
1 stop7h 03m
Frontier
Deal found 4/22![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:08 pm
STL
- MSY
1 stop25h 02m
Multiple Airlines
Mon 5/115:29 pm
MSY
- STL
2 stops24h 04m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:33 pm
STL
- MSY
1 stop21h 48m
Multiple Airlines
Mon 5/258:28 pm
MSY
- STL
1 stop18h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:18 pm
STL
- MSY
2 stops19h 03m
Frontier
Tue 5/195:21 pm
MSY
- STL
1 stop15h 34m
Frontier
Deal found 4/21![Frontier logo]()
$193
This Trip.com deal was found by Cheapflights users on 4/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:19 pm
STL
- MSY
1 stop24h 14m
Frontier
Sun 5/109:55 pm
MSY
- STL
1 stop21h 28m
Frontier
Deal found 4/21![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:33 pm
STL
- MSY
1 stop21h 48m
Frontier
Wed 5/275:21 pm
MSY
- STL
1 stop24h 12m
Frontier
Deal found 4/21![Frontier logo]()
$205
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
STL
- LFT
1 stop4h 57m
Delta
Wed 7/85:03 pm
LFT
- STL
1 stop5h 09m
Delta
Deal found 4/22![Delta logo]()
$283
Best flights from St. Louis to LouisianaDiscover carefully curated flight deals from St. Louis to Louisiana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
Discover carefully curated flight deals from St. Louis to Louisiana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 7/16:00 am
STL
- LFT
1 stop4h 57m
Delta
Wed 7/85:03 pm
LFT
- STL
1 stop5h 09m
Delta
Deal found 4/18![Delta logo]()
$283
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Thu 8/136:14 am
STL
- SHV
1 stop4h 22m
United Airlines
Tue 8/1811:17 am
SHV
- STL
1 stop6h 32m
United Airlines
Deal found 4/19![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/910:30 am
STL
- MSY
Nonstop1h 45m
Southwest
Mon 5/117:15 pm
MSY
- STL
1 stop4h 00m
Southwest
Deal found 4/18![Southwest logo]()
$313
This American Airlines deal was found by Cheapflights users on 4/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
STL
- LFT
2 stops7h 22m
American Airlines
Wed 7/85:36 pm
LFT
- STL
1 stop6h 20m
American Airlines
Deal found 4/19![American Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:51 am
STL
- LFT
1 stop5h 32m
Delta
Thu 7/93:29 pm
LFT
- STL
1 stop6h 43m
Delta
Deal found 4/22![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Wed 5/66:00 am
STL
- SHV
1 stop7h 22m
United Airlines
Sun 5/105:20 am
SHV
- STL
2 stops7h 27m
United Airlines
Deal found 4/20![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 4/20. 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.
Wed 5/67:25 am
STL
- SHV
1 stop4h 19m
Delta
Sun 5/105:00 pm
SHV
- STL
1 stop6h 59m
Delta
Deal found 4/20![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
STL
- BTR
1 stop5h 16m
United Airlines
Sun 5/106:15 pm
BTR
- STL
1 stop4h 15m
United Airlines
Deal found 4/18![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/76:00 am
STL
- BTR
1 stop6h 49m
Delta
Sun 5/103:48 pm
BTR
- STL
1 stop5h 50m
Delta
Deal found 4/18![Delta logo]()
$325
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:14 am
STL
- SHV
1 stop5h 37m
American Airlines
Mon 6/225:13 pm
SHV
- STL
1 stop6h 46m
American Airlines
Deal found 4/21![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/66:00 am
STL
- LFT
1 stop5h 18m
United Airlines
Sun 5/105:15 am
LFT
- STL
2 stops7h 32m
United Airlines
Deal found 4/19![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 4/20. 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.
Fri 5/297:50 pm
STL
- MSY
1 stop3h 45m
Southwest
Tue 6/23:10 pm
MSY
- STL
1 stop5h 55m
Southwest
Deal found 4/20![Southwest logo]()
$413
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:24 am
STL
- LFT
1 stop6h 59m
Delta
Mon 8/105:15 pm
LFT
- STL
1 stop6h 22m
Delta
Deal found 4/22![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 4/21. 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 6/179:15 pm
STL
- MSY
Nonstop1h 45m
Southwest
Sat 6/207:45 am
MSY
- STL
Nonstop1h 50m
Southwest
Deal found 4/21![Southwest logo]()
$421
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:20 am
STL
- AEX
1 stop4h 17m
American Airlines
Sun 5/176:26 pm
AEX
- STL
1 stop4h 33m
American Airlines
Deal found 4/20![American Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:30 pm
STL
- BTR
1 stop4h 28m
Delta
Mon 8/1710:29 am
BTR
- STL
1 stop5h 28m
Delta
Deal found 4/21![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/19. 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 8/2911:10 am
STL
- LFT
1 stop4h 23m
United Airlines
Tue 9/15:25 am
LFT
- STL
1 stop4h 44m
United Airlines
Deal found 4/19![United Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 4/23. 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.
Tue 7/218:35 am
STL
- MSY
Nonstop1h 45m
Southwest
Sun 7/267:10 pm
MSY
- STL
Nonstop1h 50m
Southwest
Deal found 4/23![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 4/19. 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 5/77:05 am
STL
- LFT
1 stop7h 18m
Delta
Sun 5/105:15 pm
LFT
- STL
1 stop6h 44m
Delta
Deal found 4/19![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/232:36 pm
STL
- BTR
2 stops7h 33m
American Airlines
Sun 5/247:36 pm
BTR
- STL
1 stop4h 23m
American Airlines
Deal found 4/22![American Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 4/22. 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 6/59:50 pm
STL
- MSY
Nonstop1h 45m
Southwest
Sun 6/78:15 pm
MSY
- STL
1 stop3h 55m
Southwest
Deal found 4/22![Southwest logo]()
$436
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Sat 8/2211:10 am
STL
- AEX
1 stop4h 18m
United Airlines
Tue 8/259:43 am
AEX
- STL
1 stop4h 25m
United Airlines
Deal found 4/20![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 4/19. 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.
Wed 5/67:25 am
STL
- LFT
1 stop7h 08m
Delta
Sun 5/105:15 pm
LFT
- STL
1 stop6h 44m
Delta
Deal found 4/19![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:20 am
STL
- BTR
1 stop4h 42m
American Airlines
Thu 5/217:36 pm
BTR
- STL
1 stop4h 23m
American Airlines
Deal found 4/20![American Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 7/168:15 am
STL
- MSY
Nonstop1h 45m
Southwest
Sun 7/197:45 am
MSY
- STL
Nonstop1h 50m
Southwest
Deal found 4/18![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 4/19. 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 6/268:15 am
STL
- MSY
Nonstop1h 45m
Southwest
Sun 7/56:40 pm
MSY
- STL
1 stop5h 05m
Southwest
Deal found 4/19![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 4/22. 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 6/129:50 pm
STL
- MSY
Nonstop1h 45m
Southwest
Mon 6/157:25 am
MSY
- STL
Nonstop1h 50m
Southwest
Deal found 4/22![Southwest logo]()
$457
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:24 pm
STL
- MSY
1 stop6h 25m
Delta
Tue 6/237:22 am
MSY
- STL
1 stop5h 12m
Delta
Deal found 4/22![Delta logo]()
$421
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
STL
- SHV
1 stop7h 22m
United Airlines
Mon 5/112:05 pm
SHV
- STL
2 stops9h 52m
United Airlines
Deal found 4/22![United Airlines logo]()
$515
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 5/77:50 pm
STL
- MSY
1 stop3h 45m
Southwest
Mon 5/116:55 pm
MSY
- STL
Nonstop1h 55m
Southwest
Deal found 4/22![Southwest logo]()
$461
Last-minute flights from St. Louis to LouisianaDiscover last-minute flight deals from St. Louis to Louisiana. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Louisiana. Data last updated April 23, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Thu 5/149:46 pm
MSY
- STL
1 stop22h 37m
Frontier
Deal found 4/21![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Sat 5/95:18 pm
MSY
- STL
1 stop7h 03m
Frontier
Deal found 4/21![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/22. 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.
Thu 5/712:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Sat 5/165:18 pm
MSY
- STL
1 stop7h 03m
Frontier
Deal found 4/22![Frontier logo]()
$181
This Trip.com deal was found by Cheapflights users on 4/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:19 pm
STL
- MSY
1 stop24h 14m
Frontier
Sun 5/109:55 pm
MSY
- STL
1 stop21h 28m
Frontier
Deal found 4/21![Frontier logo]()
$197
This Frontier deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/94:19 pm
STL
- MSY
1 stop23h 13m
Frontier
Mon 5/114:25 pm
MSY
- STL
1 stop7h 56m
Frontier
Deal found 4/18![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:08 pm
STL
- MSY
1 stop25h 02m
Multiple Airlines
Mon 5/115:29 pm
MSY
- STL
2 stops24h 04m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$184
This Expedia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/1012:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Thu 5/149:46 pm
MSY
- STL
1 stop22h 37m
Frontier
Deal found 4/18![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:18 pm
STL
- MSY
2 stops19h 03m
Frontier
Tue 5/195:21 pm
MSY
- STL
1 stop15h 34m
Frontier
Deal found 4/21![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:33 pm
STL
- MSY
1 stop21h 48m
Frontier
Tue 5/265:21 pm
MSY
- STL
1 stop15h 34m
Frontier
Deal found 4/20![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:33 pm
STL
- MSY
1 stop21h 48m
Multiple Airlines
Mon 5/258:28 pm
MSY
- STL
1 stop18h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:33 pm
STL
- MSY
1 stop21h 48m
Frontier
Wed 5/275:21 pm
MSY
- STL
1 stop24h 12m
Frontier
Deal found 4/21![Frontier logo]()
$205
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/199:15 am
STL
- LFT
1 stop7h 18m
Delta
Tue 5/265:15 pm
LFT
- STL
1 stop6h 44m
Delta
Deal found 4/21![Delta logo]()
$315
One-way flights from St. Louis to LouisianaSearch for one-way flight options from St. Louis to Louisiana. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
Search for one-way flight options from St. Louis to Louisiana. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This Frontier deal was found by Cheapflights users on 4/20. 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.
Sun 5/1712:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Deal found 4/20![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:27 pm
STL
- MSY
1 stop22h 54m
Frontier
Deal found 4/20![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:33 pm
STL
- MSY
1 stop21h 48m
Frontier
Deal found 4/20![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:27 pm
STL
- MSY
1 stop15h 17m
Frontier
Deal found 4/20![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 4/20. 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.
Thu 4/3011:21 am
STL
- MSY
1 stop4h 29m
Frontier
Deal found 4/20![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:27 pm
STL
- MSY
1 stop22h 54m
Frontier
Deal found 4/20![Frontier logo]()
$120
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:59 pm
STL
- MSY
1 stop23h 33m
Frontier
Deal found 4/20![Frontier logo]()
$121
This Southwest deal was found by Cheapflights users on 4/19. 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.
Tue 5/198:55 pm
STL
- MSY
Nonstop1h 50m
Southwest
Deal found 4/19![Southwest logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 5/266:33 pm
STL
- SHV
3 stops38h 33m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:20 am
STL
- BTR
1 stop4h 42m
American Airlines
Deal found 4/22![American Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:42 am
STL
- BTR
1 stop5h 00m
American Airlines
Deal found 4/21![American Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:00 am
STL
- BTR
1 stop5h 47m
Delta
Deal found 4/22![Delta logo]()
$259
Find flight deals from St. Louis to Louisiana
Keep the following information in mind while searching for St. Louis to Louisiana flight deals. Data was last updated April 23, 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 | February |
Cheapest in | September |
Average price | $380 |
Good round-trip deal | $339 or less |
Good one-way deal | $186 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Louisiana 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 23, 2026.
Use the filters below to find and compare flights from St. Louis to Louisiana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisLafayette
STL - LFT
STLLFT
Lambert-St Louis
Wed 7/1
6:00 am-10:57 am
1 stop4h 57m
Lafayette Regional
Wed 7/8
5:03 pm-10:12 pm
1 stop5h 09m
$283
St. LouisLafayette
STL - LFT
STLLFT
Lambert-St Louis
Fri 7/3
10:51 am-4:23 pm
1 stop5h 32m
Lafayette Regional
Thu 7/9
3:29 pm-10:12 pm
1 stop6h 43m
$298
St. LouisShreveport
STL - SHV
STLSHV
Lambert-St Louis
Thu 8/13
6:14 am-10:36 am
1 stop4h 22m
Shreveport
Tue 8/18
11:17 am-5:49 pm
1 stop6h 32m
$309
St. LouisNew Orleans
STL - MSY
STLMSY
Lambert-St Louis
Sat 5/9
10:30 am-12:15 pm
Nonstop1h 45m
New Orleans Louis Armstrong
Mon 5/11
7:15 pm-11:15 pm
1 stop4h 00m
$313
St. LouisShreveport
STL - SHV
STLSHV
Lambert-St Louis
Wed 5/6
7:25 am-11:44 am
1 stop4h 19m
Shreveport
Sun 5/10
5:00 pm-11:59 pm
1 stop6h 59m
$319
St. LouisShreveport
STL - SHV
STLSHV
Lambert-St Louis
Wed 5/6
6:00 am-1:22 pm
1 stop7h 22m
Shreveport
Sun 5/10
5:20 am-12:47 pm
2 stops7h 27m
$324
St. LouisBaton Rouge
STL - BTR
STLBTR
Lambert-St Louis
Thu 5/7
6:00 am-11:16 am
1 stop5h 16m
Baton Rouge Ryan
Sun 5/10
6:15 pm-10:30 pm
1 stop4h 15m
$325
St. LouisBaton Rouge
STL - BTR
STLBTR
Lambert-St Louis
Thu 5/7
6:00 am-12:49 pm
1 stop6h 49m
Baton Rouge Ryan
Sun 5/10
3:48 pm-9:38 pm
1 stop5h 50m
$325
St. LouisLafayette
STL - LFT
STLLFT
Lambert-St Louis
Thu 8/6
9:24 am-4:23 pm
1 stop6h 59m
Lafayette Regional
Mon 8/10
5:15 pm-11:37 pm
1 stop6h 22m
$326
St. LouisBaton Rouge
STL - BTR
STLBTR
Lambert-St Louis
Fri 8/14
5:30 pm-9:58 pm
1 stop4h 28m
Baton Rouge Ryan
Mon 8/17
10:29 am-3:57 pm
1 stop5h 28m
$329
Showing 1-10 of 54 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Louisiana
Have a flexible travel schedule? Discover the best time to fly to Louisiana from St. Louis with our price prediction graph.
STL-MSY
STL-LFT
STL-SHV
STL-BTR
STL-AEX
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 St. Louis to Louisiana
STL-USLA
STL-MSY
STL-LFT
STL-SHV
STL-BTR
What is the cheapest month to book a flight from St. Louis to Louisiana?
Currently, December is the cheapest month in which you can book a flight from St. Louis to Louisiana (average of $82). Flying from St. Louis to Louisiana in June is currently the most expensive (average of $278). 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 STL to LA?
Find hourly flight availability from St. Louis to Louisiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 23, 2026.
It’s optimal to fly from St. Louis to Louisiana at noon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the evening.
How much does it cost to fly round-trip from St. Louis to Louisiana?
Reviews of airlines servicing Louisiana
Get insights into the airlines that provide service to Louisiana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisiana. Reviews last updated April 23, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to Louisiana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Louisiana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Louisiana
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Complete your trip
Complete your trip to Louisiana by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from St. Louis to Louisiana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Louisiana flights
Browse other St. Louis and Louisiana flight options. Last updated on April 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Louisiana flights
Consider these flights traveling from St. Louis to Louisiana.
Top 5 airlines flying from St. Louis to Louisiana
Discover the top 5 airlines that operate flights from St. Louis to Louisiana. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$93 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$186 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$318 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$410 | FlexibilityNo cancel fee | On-time63% |