$93+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ORD
Jul 20 — Jul 271
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 June 20, 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 June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Tue 7/216:34 pm
STL
- MSY
1 stop21h 53m
Frontier
Deal found 6/19![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Thu 8/65:02 pm
MSY
- STL
1 stop15h 55m
Frontier
Mon 8/104:57 pm
STL
- MSY
1 stop23h 10m
Frontier
Deal found 6/18![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 9/235:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Fri 9/2510:35 am
STL
- MSY
1 stop5h 34m
Frontier
Deal found 6/17![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:07 pm
MSY
- STL
1 stop15h 50m
Frontier
Wed 7/224:57 pm
STL
- MSY
1 stop23h 10m
Frontier
Deal found 6/19![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/245:12 pm
MSY
- STL
1 stop15h 45m
Frontier
Tue 7/286:34 pm
STL
- MSY
1 stop21h 53m
Frontier
Deal found 6/17![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Sat 7/254:57 pm
STL
- MSY
1 stop23h 10m
Frontier
Deal found 6/19![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/155:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Wed 7/224:57 pm
STL
- MSY
1 stop23h 10m
Frontier
Deal found 6/17![Frontier logo]()
$214
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:38 pm
SHV
- ORD
1 stop5h 40m
American Airlines
Mon 8/246:00 am
ORD
- SHV
1 stop4h 58m
American Airlines
Deal found 6/18![American Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Fri 7/244:57 pm
STL
- MSY
1 stop23h 30m
Frontier
Deal found 6/19![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 10/235:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Mon 10/2610:35 am
STL
- MSY
1 stop5h 32m
Frontier
Deal found 6/16![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/105:12 pm
MSY
- STL
1 stop15h 45m
Frontier
Mon 7/134:57 pm
STL
- MSY
1 stop23h 15m
Frontier
Deal found 6/15![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/165:02 pm
MSY
- STL
1 stop15h 55m
Frontier
Sun 7/196:34 pm
STL
- MSY
1 stop21h 53m
Frontier
Deal found 6/17![Frontier logo]()
$225
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 June 20, 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 June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:02 pm
MSY
- STL
1 stop15h 55m
Frontier
Sat 7/254:57 pm
STL
- MSY
1 stop23h 10m
Frontier
Deal found 6/19![Frontier logo]()
$213
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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.
Sun 7/266:30 am
MSY
- ORD
Nonstop2h 42m
United Airlines
Tue 7/288:11 pm
ORD
- MSY
Nonstop2h 35m
United Airlines
Deal found 6/15![United Airlines logo]()
$256
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Tue 7/287:43 am
MSY
- ORD
Nonstop2h 47m
American Airlines
Fri 7/319:20 pm
ORD
- MSY
Nonstop2h 27m
American Airlines
Deal found 6/19![American Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/143:55 pm
MSY
- MDW
Nonstop2h 20m
Southwest
Tue 7/215:10 pm
MDW
- MSY
1 stop5h 55m
Southwest
Deal found 6/17![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 6/19. 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.
Tue 7/283:22 pm
MSY
- ORD
1 stop5h 11m
Delta
Tue 8/45:30 am
ORD
- MSY
1 stop6h 12m
Delta
Deal found 6/19![Delta logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/218:00 am
MSY
- RFD
1 stop10h 06m
Multiple Airlines
Mon 8/246:56 pm
RFD
- MSY
1 stop17h 03m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 8/297:00 am
MSY
- ORD
1 stop5h 48m
United Airlines
Sun 9/67:30 am
ORD
- MSY
1 stop5h 43m
United Airlines
Deal found 6/15![United Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/55:16 pm
MSY
- MDW
1 stop5h 20m
Delta
Tue 8/1110:54 am
MDW
- MSY
1 stop5h 16m
Delta
Deal found 6/17![Delta logo]()
$261
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 7/315:27 pm
MSY
- ORD
Nonstop3h 02m
American Airlines
Sun 8/22:20 pm
ORD
- MSY
Nonstop2h 27m
American Airlines
Deal found 6/19![American Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 6/19. 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.
Sat 7/2510:45 am
MSY
- MDW
1 stop7h 15m
Southwest
Mon 7/279:40 pm
MDW
- MSY
Nonstop2h 15m
Southwest
Deal found 6/19![Southwest logo]()
$274
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/156:30 am
MSY
- ORD
Nonstop2h 42m
United Airlines
Fri 7/178:11 pm
ORD
- MSY
Nonstop2h 35m
United Airlines
Deal found 6/15![United Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/26:30 am
MSY
- MDW
1 stop5h 35m
Southwest
Sun 9/61:25 pm
MDW
- MSY
1 stop6h 50m
Southwest
Deal found 6/15![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/215:16 pm
SHV
- ORD
1 stop6h 37m
Delta
Sat 7/257:00 am
ORD
- SHV
1 stop6h 32m
Delta
Deal found 6/16![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 8/19:53 am
MSY
- ORD
1 stop7h 36m
United Airlines
Mon 8/38:11 pm
ORD
- MSY
Nonstop2h 35m
United Airlines
Deal found 6/18![United Airlines logo]()
$266
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/236:44 pm
MLU
- ORD
1 stop6h 06m
American Airlines
Sat 7/255:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 6/15![American Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 6/18. 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.
Sun 9/136:15 am
MSY
- MDW
Nonstop2h 15m
Southwest
Thu 9/175:30 pm
MDW
- MSY
1 stop4h 30m
Southwest
Deal found 6/18![Southwest logo]()
$281
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:05 pm
SHV
- ORD
1 stop6h 41m
Delta
Sat 8/86:40 am
ORD
- SHV
1 stop6h 20m
Delta
Deal found 6/19![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Thu 7/236:44 pm
MLU
- ORD
1 stop6h 06m
American Airlines
Sun 7/265:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 6/19![American Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/37:00 am
MSY
- ORD
Nonstop2h 42m
United Airlines
Fri 11/277:58 pm
ORD
- MSY
Nonstop2h 23m
United Airlines
Deal found 6/15![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 10/151:05 pm
MSY
- ORD
1 stop7h 15m
Delta
Sun 10/185:30 am
ORD
- MSY
1 stop5h 27m
Delta
Deal found 6/15![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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.
Sun 8/26:30 am
MSY
- ORD
Nonstop2h 42m
United Airlines
Thu 8/68:11 pm
ORD
- MSY
Nonstop2h 35m
United Airlines
Deal found 6/17![United Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 6/18. 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 8/15:45 am
MSY
- MDW
Nonstop2h 20m
Southwest
Mon 8/35:10 am
MDW
- MSY
1 stop5h 15m
Southwest
Deal found 6/18![Southwest logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/108:00 am
MSY
- RFD
1 stop11h 00m
Multiple Airlines
Sun 7/1211:27 am
RFD
- MSY
2 stops29h 00m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 6/18. 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.
Fri 7/3112:59 pm
SHV
- ORD
2 stops7h 32m
Delta
Wed 8/51:59 pm
ORD
- SHV
2 stops8h 06m
Delta
Deal found 6/18![Delta logo]()
$300
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/115:45 am
MSY
- MDW
Nonstop2h 20m
Southwest
Tue 7/149:05 pm
MDW
- MSY
Nonstop2h 20m
Southwest
Deal found 6/17![Southwest logo]()
$305
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:31 am
MSY
- ORD
Nonstop2h 44m
United Airlines
Sun 10/186:25 am
ORD
- MSY
1 stop4h 47m
United Airlines
Deal found 6/15![United Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:00 am
MSY
- RFD
1 stop11h 00m
Multiple Airlines
Sun 7/261:14 pm
RFD
- MSY
1 stop15h 46m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/14:07 pm
BTR
- MDW
1 stop6h 08m
Delta
Sat 8/86:05 am
MDW
- BTR
1 stop6h 42m
Delta
Deal found 6/17![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 6/19. 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 7/216:45 pm
MSY
- STL
Nonstop1h 45m
Southwest
Wed 7/228:35 am
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 6/19![Southwest logo]()
$305
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/115:46 pm
SHV
- ORD
1 stop5h 41m
United Airlines
Wed 9/162:16 pm
ORD
- SHV
1 stop7h 03m
United Airlines
Deal found 6/15![United Airlines logo]()
$289
Last-minute flights from Louisiana to IllinoisDiscover last-minute flight deals from Louisiana to Illinois. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Louisiana to Illinois. Data last updated June 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 6/307:36 pm
BTR
- ORD
1 stop5h 03m
American Airlines
Wed 7/13:00 pm
ORD
- BTR
1 stop7h 09m
American Airlines
Deal found 6/14![American Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/35:21 pm
MSY
- STL
1 stop15h 31m
Frontier
Wed 7/84:57 pm
STL
- MSY
1 stop23h 10m
Frontier
Deal found 6/15![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/105:12 pm
MSY
- STL
1 stop15h 45m
Frontier
Mon 7/134:57 pm
STL
- MSY
1 stop23h 15m
Frontier
Deal found 6/15![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/125:02 pm
MSY
- STL
1 stop15h 55m
Frontier
Tue 7/283:41 pm
STL
- MSY
1 stop21h 48m
Frontier
Deal found 6/15![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/145:07 pm
MSY
- STL
1 stop15h 50m
Frontier
Sun 7/266:34 pm
STL
- MSY
1 stop21h 53m
Frontier
Deal found 6/16![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Tue 7/216:34 pm
STL
- MSY
1 stop21h 53m
Frontier
Deal found 6/19![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/155:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Wed 7/224:57 pm
STL
- MSY
1 stop23h 10m
Frontier
Deal found 6/17![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/165:02 pm
MSY
- STL
1 stop15h 55m
Frontier
Sun 7/196:34 pm
STL
- MSY
1 stop21h 53m
Frontier
Deal found 6/17![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Sat 7/254:57 pm
STL
- MSY
1 stop23h 10m
Frontier
Deal found 6/19![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Fri 7/244:57 pm
STL
- MSY
1 stop23h 30m
Frontier
Deal found 6/19![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:07 pm
MSY
- STL
1 stop15h 50m
Frontier
Wed 7/224:57 pm
STL
- MSY
1 stop23h 10m
Frontier
Deal found 6/19![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/245:12 pm
MSY
- STL
1 stop15h 45m
Frontier
Tue 7/286:34 pm
STL
- MSY
1 stop21h 53m
Frontier
Deal found 6/17![Frontier logo]()
$202
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 June 20, 2026.
Search for one-way flight options from Louisiana to Illinois. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:07 pm
MSY
- STL
1 stop15h 50m
Frontier
Deal found 6/18![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/145:07 pm
MSY
- STL
1 stop15h 50m
Frontier
Deal found 6/18![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 7/155:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Deal found 6/18![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Mon 9/145:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Deal found 6/18![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Fri 7/175:12 pm
MSY
- STL
1 stop15h 45m
Frontier
Deal found 6/18![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/115:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Deal found 6/18![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Mon 7/205:12 pm
MSY
- STL
1 stop24h 25m
Frontier
Deal found 6/18![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/75:07 pm
MSY
- STL
1 stop15h 50m
Frontier
Deal found 6/15![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:02 pm
MSY
- ORD
1 stop19h 00m
Frontier
Deal found 6/19![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 6/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:22 pm
MSY
- ORD
1 stop16h 20m
Frontier
Deal found 6/19![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 6/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:50 am
MSY
- ORD
1 stop8h 57m
Frontier
Deal found 6/18![Frontier logo]()
$125
This Expedia deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/139:48 pm
MSY
- ORD
1 stop23h 04m
Frontier
Deal found 6/17![Frontier logo]()
$126
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 June 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $191 (Kiwi.com) |
One-way from | $93 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $378 |
Good round-trip deal | $372 or less |
Good one-way deal | $205 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 June 20, 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
Thu 7/23
5:02 pm-8:57 am
1 stop15h 55m
Lambert-St Louis
Sat 7/25
4:57 pm-4:07 pm
1 stop23h 10m
$213
New OrleansChicago
MSY - ORD
MSYORD
New Orleans Louis Armstrong
Sun 7/26
6:30 am-9:12 am
Nonstop2h 42m
Chicago O'Hare Intl
Tue 7/28
8:11 pm-10:46 pm
Nonstop2h 35m
$256
New OrleansChicago
MSY - ORD
MSYORD
New Orleans Louis Armstrong
Tue 7/28
7:43 am-10:30 am
Nonstop2h 47m
Chicago O'Hare Intl
Fri 7/31
9:20 pm-11:47 pm
Nonstop2h 27m
$256
New OrleansChicago
MSY - ORD
MSYORD
New Orleans Louis Armstrong
Sat 8/29
7:00 am-12:48 pm
1 stop5h 48m
Chicago O'Hare Intl
Sun 9/6
7:30 am-1:13 pm
1 stop5h 43m
$256
New OrleansChicago
MSY - ORD
MSYORD
New Orleans Louis Armstrong
Wed 7/15
6:30 am-9:12 am
Nonstop2h 42m
Chicago O'Hare Intl
Fri 7/17
8:11 pm-10:46 pm
Nonstop2h 35m
$256
New OrleansChicago
MSY - MDW
MSYMDW
New Orleans Louis Armstrong
Tue 7/14
3:55 pm-6:15 pm
Nonstop2h 20m
Chicago Midway
Tue 7/21
5:10 pm-11:05 pm
1 stop5h 55m
$259
New OrleansChicago
MSY - ORD
MSYORD
New Orleans Louis Armstrong
Tue 7/28
3:22 pm-8:33 pm
1 stop5h 11m
Chicago O'Hare Intl
Tue 8/4
5:30 am-11:42 am
1 stop6h 12m
$261
New OrleansChicago
MSY - MDW
MSYMDW
New Orleans Louis Armstrong
Wed 8/5
5:16 pm-10:36 pm
1 stop5h 20m
Chicago Midway
Tue 8/11
10:54 am-4:10 pm
1 stop5h 16m
$261
New OrleansChicago
MSY - ORD
MSYORD
New Orleans Louis Armstrong
Sat 8/1
9:53 am-5:29 pm
1 stop7h 36m
Chicago O'Hare Intl
Mon 8/3
8:11 pm-10:46 pm
Nonstop2h 35m
$266
New OrleansChicago
MSY - ORD
MSYORD
New Orleans Louis Armstrong
Fri 7/31
5:27 pm-8:29 pm
Nonstop3h 02m
Chicago O'Hare Intl
Sun 8/2
2:20 pm-4:47 pm
Nonstop2h 27m
$271
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-MDW
MSY-ORD
MSY-RFD
SHV-ORD
MSY-STL
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-MDW
MSY-ORD
MSY-RFD
SHV-ORD
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 June is currently the most expensive (average of $111). 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 June 20, 2026.
It’s typically best to fly out from Louisiana to Illinois in the evening. Doing so could potentially save you 57% on the flight price compared to flying at noon, which is usually more expensive.
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 June 20, 2026.
The most flights from USLA to USIL are scheduled on a Wednesday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).
How much does it cost to fly round-trip from Louisiana to Illinois?
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 23 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 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 June 13, 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.
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 June 20, 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.
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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 June 20, 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 5 airlines flying from Louisiana to Illinois
Discover the top 5 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$257 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$428 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$154 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$163 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$173 | Average$364 | FlexibilityNo cancel fee | On-time63% |