$159+ Cheap flights from Jacksonville, NC (OAJ) 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — ORD
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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Find cheap flights from Jacksonville to Illinois with Cheapflights
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Cheapest flights from Jacksonville to IllinoisExplore the most affordable flight options available from Jacksonville 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 Jacksonville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
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.
Thu 10/12:26 pm
OAJ
- ORD
1 stop7h 29m
Delta
Mon 10/55:30 am
ORD
- OAJ
1 stop4h 41m
Delta
Deal found 6/19![Delta logo]()
$349
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.
Thu 10/16:00 am
OAJ
- MDW
1 stop4h 53m
Delta
Mon 10/510:48 am
MDW
- OAJ
1 stop6h 06m
Delta
Deal found 6/19![Delta logo]()
$349
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.
Wed 8/126:48 pm
OAJ
- MDW
1 stop4h 48m
Delta
Sun 8/166:05 am
MDW
- OAJ
1 stop6h 41m
Delta
Deal found 6/19![Delta logo]()
$367
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:34 pm
OAJ
- MLI
1 stop6h 39m
American Airlines
Tue 8/254:05 pm
MLI
- OAJ
1 stop4h 16m
American Airlines
Deal found 6/17![American Airlines logo]()
$383
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:07 pm
OAJ
- ORD
1 stop7h 53m
American Airlines
Mon 7/276:30 am
ORD
- OAJ
1 stop5h 18m
American Airlines
Deal found 6/16![American Airlines logo]()
$417
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.
Tue 6/304:45 pm
OAJ
- ORD
1 stop4h 47m
Delta
Wed 7/89:45 am
ORD
- OAJ
1 stop5h 09m
Delta
Deal found 6/17![Delta logo]()
$423
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.
Fri 7/36:40 pm
OAJ
- ORD
1 stop6h 19m
Delta
Tue 7/75:30 am
ORD
- OAJ
1 stop4h 49m
Delta
Deal found 6/17![Delta logo]()
$427
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.
Tue 7/214:43 pm
OAJ
- ORD
1 stop4h 50m
Delta
Fri 7/246:00 am
ORD
- OAJ
2 stops11h 02m
Delta
Deal found 6/17![Delta logo]()
$433
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.
Fri 9/186:00 am
OAJ
- MLI
1 stop5h 23m
Delta
Sun 9/206:00 am
MLI
- OAJ
1 stop6h 41m
Delta
Deal found 6/17![Delta logo]()
$447
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.
Fri 8/213:34 pm
OAJ
- MLI
2 stops9h 34m
American Airlines
Tue 8/256:00 am
MLI
- OAJ
2 stops8h 06m
American Airlines
Deal found 6/15![American Airlines logo]()
$450
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.
Tue 6/306:40 pm
OAJ
- MDW
1 stop4h 37m
Delta
Wed 7/86:00 am
MDW
- OAJ
1 stop4h 19m
Delta
Deal found 6/17![Delta logo]()
$471
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.
Mon 6/294:45 pm
OAJ
- ORD
1 stop4h 47m
Delta
Wed 7/85:30 am
ORD
- OAJ
1 stop4h 49m
Delta
Deal found 6/17![Delta logo]()
$526
Best flights from Jacksonville to IllinoisDiscover carefully curated flight deals from Jacksonville 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 Jacksonville 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 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.
Thu 10/12:26 pm
OAJ
- ORD
1 stop7h 29m
Delta
Mon 10/55:30 am
ORD
- OAJ
1 stop4h 41m
Delta
Deal found 6/19![Delta logo]()
$349
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:15 pm
OAJ
- MLI
2 stops7h 53m
American Airlines
Tue 8/254:05 pm
MLI
- OAJ
1 stop4h 16m
American Airlines
Deal found 6/17![American Airlines logo]()
$388
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.
Thu 10/16:00 am
OAJ
- MDW
2 stops7h 34m
Delta
Mon 10/55:10 pm
MDW
- OAJ
1 stop4h 12m
Delta
Deal found 6/19![Delta logo]()
$354
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.
Wed 8/126:48 pm
OAJ
- MDW
1 stop4h 48m
Delta
Sun 8/166:05 am
MDW
- OAJ
1 stop6h 41m
Delta
Deal found 6/19![Delta logo]()
$367
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 7/231:14 pm
OAJ
- ORD
1 stop4h 32m
American Airlines
Mon 7/275:07 am
ORD
- OAJ
1 stop6h 41m
American Airlines
Deal found 6/15![American Airlines logo]()
$417
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.
Fri 8/216:00 am
OAJ
- MLI
1 stop5h 25m
Delta
Tue 8/256:00 am
MLI
- OAJ
1 stop4h 30m
Delta
Deal found 6/15![Delta logo]()
$383
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.
Fri 8/213:34 pm
OAJ
- MLI
2 stops9h 34m
American Airlines
Tue 8/256:00 am
MLI
- OAJ
2 stops8h 06m
American Airlines
Deal found 6/15![American Airlines logo]()
$450
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.
Tue 6/304:45 pm
OAJ
- ORD
1 stop4h 47m
Delta
Wed 7/86:00 am
ORD
- OAJ
2 stops8h 54m
Delta
Deal found 6/17![Delta logo]()
$428
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:07 pm
OAJ
- ORD
1 stop5h 44m
American Airlines
Sun 7/55:07 am
ORD
- OAJ
1 stop6h 41m
American Airlines
Deal found 6/16![American Airlines logo]()
$527
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.
Fri 9/186:00 am
OAJ
- MLI
1 stop5h 23m
Delta
Sun 9/206:00 am
MLI
- OAJ
1 stop6h 41m
Delta
Deal found 6/17![Delta logo]()
$447
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.
Tue 6/306:40 pm
OAJ
- MDW
1 stop4h 37m
Delta
Wed 7/86:00 am
MDW
- OAJ
1 stop4h 19m
Delta
Deal found 6/17![Delta logo]()
$471
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:18 pm
OAJ
- MLI
1 stop4h 51m
American Airlines
Sun 9/206:00 am
MLI
- OAJ
2 stops7h 24m
American Airlines
Deal found 6/17![American Airlines logo]()
$632
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 7/21:14 pm
OAJ
- ORD
1 stop5h 24m
American Airlines
Sun 7/56:37 am
ORD
- OAJ
2 stops6h 55m
American Airlines
Deal found 6/15![American Airlines logo]()
$663
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.
Sun 7/126:44 pm
OAJ
- ORD
1 stop6h 09m
Delta
Wed 7/155:30 am
ORD
- OAJ
1 stop4h 49m
Delta
Deal found 6/18![Delta logo]()
$626
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 7/21:14 pm
OAJ
- PIA
2 stops12h 08m
American Airlines
Mon 7/65:05 am
PIA
- OAJ
1 stop6h 43m
American Airlines
Deal found 6/15![American Airlines logo]()
$707
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 7/1712:05 pm
OAJ
- ORD
2 stops11h 31m
Delta
Mon 7/271:44 pm
ORD
- OAJ
1 stop7h 45m
Delta
Deal found 6/18![Delta logo]()
$642
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.
Thu 7/236:44 pm
OAJ
- MDW
1 stop4h 31m
Delta
Mon 7/276:00 am
MDW
- OAJ
1 stop4h 19m
Delta
Deal found 6/16![Delta logo]()
$731
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.
Thu 7/236:44 pm
OAJ
- MDW
1 stop4h 31m
Delta
Sun 7/266:00 am
MDW
- OAJ
1 stop4h 19m
Delta
Deal found 6/19![Delta logo]()
$786
Last-minute flights from Jacksonville to IllinoisDiscover last-minute flight deals from Jacksonville to Illinois. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Illinois. Data last updated June 20, 2026 and is based on user searches.
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 6/274:45 pm
OAJ
- ORD
1 stop5h 01m
Delta
Mon 6/295:30 am
ORD
- OAJ
1 stop4h 51m
Delta
Deal found 6/17![Delta logo]()
$530
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.
Mon 6/294:45 pm
OAJ
- ORD
1 stop4h 47m
Delta
Wed 7/85:30 am
ORD
- OAJ
1 stop4h 49m
Delta
Deal found 6/17![Delta logo]()
$526
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.
Mon 6/296:48 pm
OAJ
- MDW
1 stop4h 29m
Delta
Wed 7/86:00 am
MDW
- OAJ
1 stop4h 19m
Delta
Deal found 6/17![Delta logo]()
$526
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.
Tue 6/304:45 pm
OAJ
- ORD
1 stop4h 47m
Delta
Wed 7/89:45 am
ORD
- OAJ
1 stop5h 09m
Delta
Deal found 6/17![Delta logo]()
$423
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.
Tue 6/306:40 pm
OAJ
- MDW
1 stop4h 37m
Delta
Wed 7/86:00 am
MDW
- OAJ
1 stop4h 19m
Delta
Deal found 6/17![Delta logo]()
$471
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 7/21:14 pm
OAJ
- PIA
2 stops12h 08m
American Airlines
Mon 7/65:05 am
PIA
- OAJ
1 stop6h 43m
American Airlines
Deal found 6/15![American Airlines logo]()
$707
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.
Fri 7/36:40 pm
OAJ
- ORD
1 stop6h 19m
Delta
Tue 7/75:30 am
ORD
- OAJ
1 stop4h 49m
Delta
Deal found 6/17![Delta logo]()
$427
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:07 pm
OAJ
- ORD
1 stop5h 44m
American Airlines
Sun 7/55:07 am
ORD
- OAJ
1 stop6h 41m
American Airlines
Deal found 6/16![American Airlines logo]()
$527
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.
Sun 7/126:00 am
OAJ
- MDW
1 stop5h 05m
Delta
Wed 7/156:00 am
MDW
- OAJ
1 stop4h 19m
Delta
Deal found 6/18![Delta logo]()
$738
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.
Tue 7/214:43 pm
OAJ
- ORD
1 stop4h 50m
Delta
Fri 7/246:00 am
ORD
- OAJ
2 stops11h 02m
Delta
Deal found 6/17![Delta logo]()
$433
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:07 pm
OAJ
- ORD
1 stop7h 53m
American Airlines
Mon 7/276:30 am
ORD
- OAJ
1 stop5h 18m
American Airlines
Deal found 6/16![American Airlines logo]()
$417
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.
Thu 7/236:44 pm
OAJ
- MDW
1 stop4h 31m
Delta
Mon 7/276:00 am
MDW
- OAJ
1 stop4h 19m
Delta
Deal found 6/16![Delta logo]()
$731
One-way flights from Jacksonville to IllinoisSearch for one-way flight options from Jacksonville to Illinois. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
Search for one-way flight options from Jacksonville to Illinois. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:14 pm
OAJ
- ORD
1 stop4h 32m
American Airlines
Deal found 6/17![American Airlines logo]()
$159
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:07 pm
OAJ
- ORD
1 stop7h 26m
American Airlines
Deal found 6/17![American Airlines logo]()
$160
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.
Tue 8/412:10 pm
OAJ
- ORD
2 stops9h 39m
Delta
Deal found 6/17![Delta logo]()
$215
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.
Tue 6/306:40 pm
OAJ
- ORD
1 stop6h 19m
Delta
Deal found 6/17![Delta logo]()
$388
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.
Tue 6/3012:06 pm
OAJ
- MDW
1 stop4h 34m
Delta
Deal found 6/17![Delta logo]()
$388
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.
Mon 6/2912:06 pm
OAJ
- ORD
2 stops11h 42m
Delta
Deal found 6/17![Delta logo]()
$432
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/293:07 pm
OAJ
- ORD
1 stop7h 26m
American Airlines
Deal found 6/17![American Airlines logo]()
$440
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.
Mon 6/294:45 pm
OAJ
- MDW
1 stop6h 32m
Delta
Deal found 6/17![Delta logo]()
$440
Find flight deals from Jacksonville to Illinois
Keep the following information in mind while searching for Jacksonville 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 | $349 (Delta) |
One-way from | $159 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Jacksonville 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 Jacksonville to Illinois that are best for you.
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Cheapest round-trip
JacksonvilleChicago
OAJ - ORD
OAJORD
Jacksonville Albert J Ellis
Thu 10/1
2:26 pm-8:55 pm
1 stop7h 29m
Chicago O'Hare Intl
Mon 10/5
5:30 am-11:11 am
1 stop4h 41m
$349
JacksonvilleChicago
OAJ - MDW
OAJMDW
Jacksonville Albert J Ellis
Thu 10/1
6:00 am-12:34 pm
2 stops7h 34m
Chicago Midway
Mon 10/5
5:10 pm-10:22 pm
1 stop4h 12m
$354
JacksonvilleChicago
OAJ - MDW
OAJMDW
Jacksonville Albert J Ellis
Wed 8/12
6:48 pm-10:36 pm
1 stop4h 48m
Chicago Midway
Sun 8/16
6:05 am-1:46 pm
1 stop6h 41m
$367
JacksonvilleMoline
OAJ - MLI
OAJMLI
Jacksonville Albert J Ellis
Fri 8/21
6:00 am-10:25 am
1 stop5h 25m
Moline Quad-City
Tue 8/25
6:00 am-11:30 am
1 stop4h 30m
$383
JacksonvilleMoline
OAJ - MLI
OAJMLI
Jacksonville Albert J Ellis
Sat 8/22
5:15 pm-12:08 am
2 stops7h 53m
Moline Quad-City
Tue 8/25
4:05 pm-9:21 pm
1 stop4h 16m
$388
JacksonvilleChicago
OAJ - ORD
OAJORD
Jacksonville Albert J Ellis
Thu 7/23
1:14 pm-4:46 pm
1 stop4h 32m
Chicago O'Hare Intl
Mon 7/27
5:07 am-12:48 pm
1 stop6h 41m
$417
JacksonvilleChicago
OAJ - ORD
OAJORD
Jacksonville Albert J Ellis
Tue 6/30
4:45 pm-8:32 pm
1 stop4h 47m
Chicago O'Hare Intl
Wed 7/8
6:00 am-3:54 pm
2 stops8h 54m
$428
JacksonvilleMoline
OAJ - MLI
OAJMLI
Jacksonville Albert J Ellis
Fri 9/18
6:00 am-10:23 am
1 stop5h 23m
Moline Quad-City
Sun 9/20
6:00 am-1:41 pm
1 stop6h 41m
$447
JacksonvilleMoline
OAJ - MLI
OAJMLI
Jacksonville Albert J Ellis
Fri 8/21
3:34 pm-12:08 am
2 stops9h 34m
Moline Quad-City
Tue 8/25
6:00 am-3:06 pm
2 stops8h 06m
$450
JacksonvilleChicago
OAJ - MDW
OAJMDW
Jacksonville Albert J Ellis
Tue 6/30
6:40 pm-10:17 pm
1 stop4h 37m
Chicago Midway
Wed 7/8
6:00 am-11:19 am
1 stop4h 19m
$471
Showing 1-10 of 25 resultsSorted by cheapest first
Best time to book a flight from Jacksonville to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Jacksonville with our price prediction graph.
OAJ-ORD
OAJ-MDW
OAJ-MLI
OAJ-PIA
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 Jacksonville to Illinois
OAJ-USIL
OAJ-ORD
OAJ-MDW
OAJ-MLI
OAJ-PIA
No data available for this route at this time. Please check back soon.
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.
Read through reviews of airlines operating flights from Jacksonville to Illinois, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.4
Overall
7.1
Comfort
7.2
Boarding
7.5
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
2.0
MediocreSusie,Jan 2026
CLT - TPA
Food
6.4
Overall
7.1
Comfort
7.2
Boarding
7.5
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
2.0
MediocreSusie,Jan 2026
CLT - TPA
Related info for your journey
Find useful and relevant information for your journey from Jacksonville to Illinois. 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 Jacksonville to Illinois
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Complete your trip
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Jacksonville and Illinois flights
Browse other Jacksonville and Illinois flight options. Last updated on June 20, 2026.
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Jacksonville to Illinois flights
Consider these flights traveling from Jacksonville to Illinois.
Top airline flying from Jacksonville to Illinois
Discover the top airline that operate flights from Jacksonville 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$362 | Average$509 | FlexibilityNo cancel fee | On-time71% |