$65+ Cheap flights from Louisiana to Illinois
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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ORD
Jun 2 — Jun 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Louisiana to Illinois 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Louisiana to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from Louisiana to IllinoisExplore the most affordable flight options available from Louisiana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
Explore the most affordable flight options available from Louisiana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 6/25:21 pm
MSY
- STL
1 stop15h 34m
Multiple Airlines
Fri 6/511:24 am
STL
- MSY
1 stop29h 00m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$180
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:55 pm
MSY
- STL
1 stop21h 28m
Frontier
Fri 6/54:19 pm
STL
- MSY
1 stop23h 59m
Frontier
Deal found 4/29![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:21 pm
MSY
- STL
1 stop24h 12m
Frontier
Wed 6/34:19 pm
STL
- MSY
1 stop17h 40m
Frontier
Deal found 4/30![Frontier logo]()
$199
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/144:25 pm
MSY
- STL
1 stop7h 56m
Frontier
Sun 5/1712:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Deal found 4/28![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:27 pm
MSY
- ORD
2 stops14h 36m
Multiple Airlines
Mon 6/297:07 am
ORD
- MSY
Nonstop2h 24m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$203
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:44 pm
MSY
- ORD
1 stop7h 21m
Multiple Airlines
Mon 7/137:07 am
ORD
- MSY
Nonstop2h 24m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$204
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:26 am
MSY
- ORD
Nonstop2h 36m
Multiple Airlines
Mon 7/207:05 am
ORD
- MSY
1 stop9h 20m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$205
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:27 pm
MSY
- ORD
Nonstop2h 37m
Multiple Airlines
Mon 6/86:55 am
ORD
- MSY
1 stop9h 26m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/305:21 pm
MSY
- MDW
1 stop17h 51m
Frontier
Wed 6/36:00 am
MDW
- MSY
1 stop10h 21m
Frontier
Deal found 4/28![Frontier logo]()
$206
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:27 pm
MSY
- ORD
Nonstop2h 37m
Spirit Airlines
Mon 6/155:25 am
ORD
- MSY
Nonstop2h 16m
Spirit Airlines
Deal found 4/29![Spirit Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:21 pm
MSY
- MDW
1 stop17h 51m
Frontier
Mon 6/296:00 am
MDW
- MSY
1 stop10h 26m
Frontier
Deal found 4/30![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:27 pm
MSY
- ORD
Nonstop2h 37m
Spirit Airlines
Sat 6/61:18 pm
ORD
- MSY
1 stop9h 01m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$208
Best flights from Louisiana to IllinoisDiscover carefully curated flight deals from Louisiana to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
Discover carefully curated flight deals from Louisiana to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/95:29 pm
MSY
- STL
1 stop6h 52m
Multiple Airlines
Mon 5/114:19 pm
STL
- MSY
1 stop24h 05m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 pm
MSY
- MDW
1 stop4h 15m
Southwest
Fri 5/299:50 pm
MDW
- MSY
Nonstop2h 20m
Southwest
Deal found 5/1![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:15 pm
LFT
- STL
1 stop6h 44m
Delta
Wed 6/36:00 am
STL
- LFT
1 stop4h 34m
Delta
Deal found 4/30![Delta logo]()
$283
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:00 am
MSY
- ORD
Nonstop2h 40m
United Airlines
Sun 5/2410:25 am
ORD
- MSY
Nonstop2h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/145:07 pm
LFT
- STL
1 stop5h 52m
American Airlines
Tue 5/193:24 pm
STL
- LFT
1 stop5h 57m
American Airlines
Deal found 4/28![American Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:30 pm
MSY
- STL
1 stop6h 30m
Southwest
Wed 6/109:15 pm
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 5/1![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Tue 6/235:11 pm
MDW
- BTR
1 stop4h 44m
Delta
Deal found 5/2![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/265:56 pm
SHV
- ORD
1 stop6h 49m
United Airlines
Tue 6/25:45 pm
ORD
- SHV
1 stop4h 59m
United Airlines
Deal found 4/28![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:04 pm
BTR
- ORD
1 stop4h 55m
Delta
Tue 6/25:30 am
ORD
- BTR
1 stop7h 19m
Delta
Deal found 4/30![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:45 am
MSY
- STL
Nonstop1h 50m
Southwest
Mon 5/258:25 am
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 4/30![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:17 am
SHV
- ORD
1 stop6h 49m
United Airlines
Sun 8/305:30 am
ORD
- SHV
1 stop5h 06m
United Airlines
Deal found 4/29![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:00 pm
BTR
- MDW
1 stop6h 15m
Delta
Sun 7/126:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/1![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/267:00 am
MSY
- ORD
Nonstop2h 45m
United Airlines
Tue 6/308:11 pm
ORD
- MSY
Nonstop2h 35m
United Airlines
Deal found 4/28![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/265:40 am
MSY
- MDW
Nonstop2h 20m
Southwest
Tue 6/309:00 am
MDW
- MSY
Nonstop2h 15m
Southwest
Deal found 4/28![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 10/293:20 pm
BTR
- MDW
1 stop6h 25m
Delta
Sat 10/3110:35 am
MDW
- BTR
1 stop4h 15m
Delta
Deal found 4/29![Delta logo]()
$306
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/1512:01 pm
BTR
- STL
1 stop7h 29m
American Airlines
Mon 5/1812:27 pm
STL
- BTR
2 stops8h 57m
American Airlines
Deal found 4/28![American Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:55 pm
MSY
- MDW
1 stop3h 50m
Southwest
Thu 5/289:50 pm
MDW
- MSY
Nonstop2h 20m
Southwest
Deal found 5/1![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/204:07 pm
BTR
- MDW
1 stop6h 10m
Delta
Mon 6/296:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 4/30![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:00 am
MSY
- ORD
Nonstop2h 40m
United Airlines
Tue 5/267:30 am
ORD
- MSY
1 stop5h 44m
United Airlines
Deal found 5/2![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:27 pm
BTR
- ORD
1 stop5h 18m
Delta
Sun 7/125:30 am
ORD
- BTR
1 stop4h 09m
Delta
Deal found 5/1![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:55 am
MSY
- MDW
Nonstop2h 15m
Southwest
Sun 7/59:55 pm
MDW
- MSY
Nonstop2h 15m
Southwest
Deal found 5/1![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/67:00 am
MSY
- ORD
Nonstop2h 45m
United Airlines
Wed 6/246:40 am
ORD
- MSY
Nonstop2h 33m
United Airlines
Deal found 4/28![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:00 pm
BTR
- ORD
1 stop7h 53m
Delta
Tue 7/216:35 am
ORD
- BTR
1 stop6h 12m
Delta
Deal found 5/1![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 4/29. 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.
Thu 5/286:05 pm
MSY
- MDW
Nonstop2h 20m
Southwest
Fri 6/511:55 am
MDW
- MSY
1 stop6h 05m
Southwest
Deal found 4/29![Southwest logo]()
$348
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:30 am
MSY
- ORD
Nonstop2h 44m
United Airlines
Sat 6/138:11 pm
ORD
- MSY
Nonstop2h 35m
United Airlines
Deal found 5/1![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 6/1010:27 am
BTR
- ORD
1 stop6h 37m
Delta
Mon 6/158:08 am
ORD
- BTR
1 stop4h 39m
Delta
Deal found 4/29![Delta logo]()
$306
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/215:25 pm
LFT
- STL
1 stop6h 34m
American Airlines
Sat 6/272:32 pm
STL
- LFT
2 stops9h 25m
American Airlines
Deal found 5/2![American Airlines logo]()
$583
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:25 pm
MSY
- MDW
1 stop3h 45m
Southwest
Wed 9/2310:20 am
MDW
- MSY
Nonstop2h 15m
Southwest
Deal found 5/2![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 7/87:00 am
MSY
- ORD
Nonstop2h 45m
United Airlines
Mon 7/138:11 pm
ORD
- MSY
Nonstop2h 35m
United Airlines
Deal found 4/28![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:20 pm
BTR
- MDW
1 stop6h 26m
Delta
Sun 8/166:00 am
MDW
- BTR
1 stop6h 45m
Delta
Deal found 5/1![Delta logo]()
$309
Last-minute flights from Louisiana to IllinoisDiscover last-minute flight deals from Louisiana to Illinois. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Louisiana to Illinois. Data last updated May 3, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/144:25 pm
MSY
- STL
1 stop7h 56m
Frontier
Sun 5/1712:36 pm
STL
- MSY
1 stop8h 15m
Frontier
Deal found 4/28![Frontier logo]()
$201
This Priceline deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:25 pm
MSY
- ORD
1 stop6h 48m
Frontier
Mon 5/186:55 am
ORD
- MSY
1 stop9h 26m
Frontier
Deal found 5/2![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/185:29 pm
MSY
- ORD
1 stop29h 44m
Multiple Airlines
Thu 5/215:25 am
ORD
- MSY
Nonstop2h 16m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$204
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:27 pm
MSY
- ORD
Nonstop2h 37m
Multiple Airlines
Tue 5/266:55 am
ORD
- MSY
1 stop9h 26m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$210
This Priceline deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:25 pm
MSY
- ORD
1 stop6h 48m
Frontier
Sun 5/316:55 am
ORD
- MSY
1 stop9h 26m
Frontier
Deal found 4/30![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:21 pm
MSY
- STL
1 stop24h 12m
Frontier
Wed 6/34:19 pm
STL
- MSY
1 stop17h 40m
Frontier
Deal found 4/30![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/278:10 am
MSY
- ORD
2 stops15h 03m
Multiple Airlines
Wed 6/36:55 am
ORD
- MSY
1 stop9h 26m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 5/285:21 pm
MSY
- ORD
1 stop14h 34m
Frontier
Mon 6/15:11 pm
ORD
- MSY
2 stops23h 10m
Frontier
Deal found 4/29![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 5/285:21 pm
MSY
- MDW
1 stop17h 48m
Frontier
Mon 6/16:00 am
MDW
- MSY
1 stop10h 21m
Frontier
Deal found 4/29![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:55 pm
MSY
- STL
1 stop21h 28m
Frontier
Fri 6/54:19 pm
STL
- MSY
1 stop23h 59m
Frontier
Deal found 4/29![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:29 pm
MSY
- MDW
2 stops17h 35m
Multiple Airlines
Mon 6/16:00 am
MDW
- MSY
1 stop10h 21m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/305:21 pm
MSY
- MDW
1 stop17h 51m
Frontier
Wed 6/36:00 am
MDW
- MSY
1 stop10h 21m
Frontier
Deal found 4/28![Frontier logo]()
$206
One-way flights from Louisiana to IllinoisSearch for one-way flight options from Louisiana to Illinois. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
Search for one-way flight options from Louisiana to Illinois. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:21 pm
MSY
- STL
1 stop15h 34m
Frontier
Deal found 4/30![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:19 pm
MSY
- STL
1 stop5h 38m
Frontier
Deal found 4/30![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:21 pm
MSY
- STL
1 stop24h 12m
Frontier
Deal found 5/1![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/285:21 pm
MSY
- STL
1 stop15h 31m
Frontier
Deal found 5/2![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/295:21 pm
MSY
- STL
1 stop24h 09m
Frontier
Deal found 4/29![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:21 pm
MSY
- STL
1 stop15h 34m
Frontier
Deal found 4/30![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:18 pm
MSY
- STL
1 stop6h 39m
Frontier
Deal found 5/1![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 5/285:21 pm
MSY
- ORD
1 stop14h 34m
Frontier
Deal found 4/29![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:26 am
MSY
- ORD
Nonstop2h 36m
Spirit Airlines
Deal found 4/29![Spirit Airlines logo]()
$103
This CheapOair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:26 am
MSY
- ORD
Nonstop2h 36m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/275:21 pm
MSY
- ORD
1 stop14h 34m
Frontier
Deal found 4/29![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/295:27 pm
MSY
- STL
2 stops24h 03m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$108
Find flight deals from Louisiana to Illinois
Keep the following information in mind while searching for Louisiana to Illinois flight deals. Data was last updated May 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (Kiwi.com) |
One-way from | $65 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $295 |
Good round-trip deal | $277 or less |
Good one-way deal | $179 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisiana to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Louisiana to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sat 5/9
5:29 pm-12:21 am
1 stop6h 52m
Lambert-St Louis
Mon 5/11
4:19 pm-4:24 pm
1 stop24h 05m
$253
New OrleansChicago
MSY - MDW
MSYMDW
New Orleans Louis Armstrong
Wed 5/27
6:00 pm-10:15 pm
1 stop4h 15m
Chicago Midway
Fri 5/29
9:50 pm-12:10 am
Nonstop2h 20m
$267
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Tue 6/9
4:30 pm-11:00 pm
1 stop6h 30m
Lambert-St Louis
Wed 6/10
9:15 pm-11:00 pm
Nonstop1h 45m
$267
LafayetteSt. Louis
LFT - STL
LFTSTL
Lafayette Regional
Wed 5/27
5:15 pm-11:59 pm
1 stop6h 44m
Lambert-St Louis
Wed 6/3
6:00 am-10:34 am
1 stop4h 34m
$283
Baton RougeChicago
BTR - MDW
BTRMDW
Baton Rouge Ryan
Tue 6/9
4:00 pm-10:17 pm
1 stop6h 17m
Chicago Midway
Tue 6/23
5:11 pm-9:55 pm
1 stop4h 44m
$303
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Thu 5/28
7:04 pm-11:59 pm
1 stop4h 55m
Chicago O'Hare Intl
Tue 6/2
5:30 am-12:49 pm
1 stop7h 19m
$303
Quickest round-trip
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Thu 5/21
7:45 am-9:35 am
Nonstop1h 50m
Lambert-St Louis
Mon 5/25
8:25 am-10:10 am
Nonstop1h 45m
$303
Baton RougeChicago
BTR - MDW
BTRMDW
Baton Rouge Ryan
Tue 7/7
4:00 pm-10:15 pm
1 stop6h 15m
Chicago Midway
Sun 7/12
6:00 am-12:47 pm
1 stop6h 47m
$306
Baton RougeChicago
BTR - MDW
BTRMDW
Baton Rouge Ryan
Thu 10/29
3:20 pm-9:45 pm
1 stop6h 25m
Chicago Midway
Sat 10/31
10:35 am-2:50 pm
1 stop4h 15m
$306
Baton RougeChicago
BTR - MDW
BTRMDW
Baton Rouge Ryan
Sat 6/20
4:07 pm-10:17 pm
1 stop6h 10m
Chicago Midway
Mon 6/29
6:00 am-12:47 pm
1 stop6h 47m
$306
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Louisiana to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Louisiana with our price prediction graph.
MSY-ORD
MSY-STL
MSY-MDW
BTR-STL
BTR-MDW
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 Louisiana to Illinois
USLA-USIL
MSY-ORD
MSY-STL
MSY-MDW
BTR-STL
How far ahead should I book a flight from Louisiana to Illinois?
To ensure you get the cheapest price possible for a flight from Louisiana to Illinois, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Louisiana to Illinois?
Currently, February is the cheapest month in which you can book a flight from Louisiana to Illinois (average of $18). Flying from Louisiana to Illinois in July is currently the most expensive (average of $107). 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 LA to IL?
Find hourly flight availability from Louisiana to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 3, 2026.
It’s typically best to fly out from Louisiana to Illinois in the afternoon. Doing so could potentially save you 26% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from Louisiana to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Louisiana to Illinois. Price data was last updated on May 2, 2026.
Travelers seeking maximum savings on their Louisiana to Illinois flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Louisiana to Illinois
Explore weekly flight availability from Louisiana to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 3, 2026.
The most flights from USLA to USIL are scheduled on a Friday (41 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 on average).
How much does it cost to fly round-trip from Louisiana to Illinois?
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated May 3, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Louisiana to Illinois have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Louisiana to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Louisiana to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Louisiana to Illinois by cabin class
Find flights from Louisiana to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisiana and Illinois flights
Browse other Louisiana and Illinois flight options. Last updated on May 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Louisiana after your stay in Illinois
Louisiana to Illinois flights
Consider these flights traveling from Louisiana to Illinois.
Top 6 airlines flying from Louisiana to Illinois
Discover the top 6 airlines that operate flights from Louisiana to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$18 | Average$192 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$77 | Average$169 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$133 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$163 | Average$367 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$173 | Average$292 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$253 | Average$328 | FlexibilityNo cancel fee | On-timeN/A |