$57+ Cheap flights from Jacksonville (JAX) 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ORD
Mar 14 — Mar 211
1 adult, Economy
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Find cheap flights from Jacksonville 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
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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 February 12, 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 February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/118:18 pm
JAX
- STL
2 stops36h 04m
Frontier
Wed 3/1811:32 am
STL
- JAX
1 stop7h 01m
Frontier
Deal found 2/11![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/178:17 pm
JAX
- STL
1 stop11h 33m
Frontier
Sun 4/1911:21 am
STL
- JAX
1 stop4h 52m
Frontier
Deal found 2/9![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/236:08 pm
JAX
- STL
1 stop13h 42m
Frontier
Sun 4/2611:21 am
STL
- JAX
1 stop4h 52m
Frontier
Deal found 2/11![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/410:12 pm
JAX
- STL
2 stops33h 38m
Frontier
Wed 5/138:13 pm
STL
- JAX
1 stop20h 00m
Frontier
Deal found 2/10![Frontier logo]()
$230
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
JAX
- ORD
Nonstop2h 49m
American Airlines
Wed 6/31:51 pm
ORD
- JAX
Nonstop2h 30m
American Airlines
Deal found 2/8![American Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:44 am
JAX
- ORD
1 stop4h 50m
American Airlines
Wed 3/257:34 pm
ORD
- JAX
Nonstop2h 24m
American Airlines
Deal found 2/8![American Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/106:25 am
JAX
- MDW
1 stop6h 15m
Southwest
Tue 3/176:00 pm
MDW
- JAX
Nonstop2h 15m
Southwest
Deal found 2/8![Southwest logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 2/265:51 pm
JAX
- ORD
2 stops18h 00m
Multiple Airlines
Sun 3/14:42 pm
ORD
- JAX
1 stop25h 02m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$249
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Mon 3/165:58 pm
JAX
- ORD
1 stop5h 41m
Frontier
Fri 3/205:01 am
ORD
- JAX
1 stop11h 07m
Frontier
Deal found 2/10![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Fri 3/135:58 pm
JAX
- MDW
1 stop5h 21m
Frontier
Mon 3/166:05 am
MDW
- JAX
1 stop10h 03m
Frontier
Deal found 2/10![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/124:29 pm
JAX
- ORD
1 stop7h 10m
Frontier
Thu 3/195:01 am
ORD
- JAX
1 stop9h 33m
Frontier
Deal found 2/10![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/25:28 pm
JAX
- MDW
2 stops30h 45m
Frontier
Wed 4/86:00 am
MDW
- JAX
1 stop12h 33m
Frontier
Deal found 2/11![Frontier logo]()
$251
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 February 12, 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 February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/118:18 pm
JAX
- STL
2 stops36h 04m
Frontier
Wed 3/1811:32 am
STL
- JAX
1 stop7h 01m
Frontier
Deal found 2/11![Frontier logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/299:20 am
JAX
- ORD
1 stop6h 07m
United Airlines
Wed 5/64:10 pm
ORD
- JAX
Nonstop2h 34m
United Airlines
Deal found 2/8![United Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 5/67:20 am
JAX
- MDW
Nonstop2h 30m
Southwest
Wed 5/1310:25 am
MDW
- JAX
1 stop7h 10m
Southwest
Deal found 2/8![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/3111:58 am
JAX
- MDW
1 stop6h 56m
Delta
Wed 4/86:07 pm
MDW
- JAX
1 stop4h 55m
Delta
Deal found 2/11![Delta logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/194:29 pm
JAX
- ORD
2 stops8h 53m
Multiple Airlines
Sun 3/225:01 am
ORD
- JAX
1 stop5h 35m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/26:50 am
JAX
- PIA
1 stop6h 57m
American Airlines
Sun 4/55:00 am
PIA
- JAX
1 stop6h 53m
American Airlines
Deal found 2/10![American Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:50 pm
JAX
- MDW
1 stop7h 30m
Southwest
Sat 4/183:45 pm
MDW
- JAX
Nonstop2h 15m
Southwest
Deal found 2/9![Southwest logo]()
$247
This Frontier deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
Fri 4/243:27 pm
JAX
- ORD
1 stop5h 41m
Frontier
Mon 4/272:20 pm
ORD
- JAX
1 stop5h 57m
Frontier
Deal found 2/8![Frontier logo]()
$250
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/229:20 am
JAX
- ORD
1 stop6h 07m
United Airlines
Sat 4/251:00 pm
ORD
- JAX
1 stop6h 02m
United Airlines
Deal found 2/10![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/15:30 am
JAX
- MDW
1 stop5h 26m
Delta
Tue 4/79:35 am
MDW
- JAX
1 stop6h 31m
Delta
Deal found 2/11![Delta logo]()
$257
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:45 am
JAX
- ORD
Nonstop3h 04m
American Airlines
Fri 4/176:40 am
ORD
- JAX
1 stop5h 44m
American Airlines
Deal found 2/9![American Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/106:50 pm
JAX
- ORD
1 stop5h 54m
United Airlines
Tue 3/171:06 pm
ORD
- JAX
1 stop5h 58m
United Airlines
Deal found 2/8![United Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/108:00 am
JAX
- MDW
2 stops9h 10m
Southwest
Tue 3/176:00 pm
MDW
- JAX
Nonstop2h 15m
Southwest
Deal found 2/8![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/228:35 am
JAX
- MDW
1 stop4h 32m
Delta
Sat 4/255:21 pm
MDW
- JAX
1 stop5h 38m
Delta
Deal found 2/10![Delta logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/84:39 pm
JAX
- STL
1 stop21h 40m
Frontier
Fri 3/1312:16 pm
STL
- JAX
2 stops25h 58m
Frontier
Deal found 2/9![Frontier logo]()
$280
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 5/88:00 am
JAX
- ORD
Nonstop2h 50m
United Airlines
Tue 5/127:00 am
ORD
- JAX
Nonstop2h 38m
United Airlines
Deal found 2/7![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 5/148:15 pm
JAX
- MDW
1 stop4h 15m
Southwest
Tue 5/196:00 pm
MDW
- JAX
Nonstop2h 15m
Southwest
Deal found 2/8![Southwest logo]()
$270
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:00 am
JAX
- PIA
2 stops7h 52m
American Airlines
Sat 4/1812:12 pm
PIA
- JAX
1 stop7h 50m
American Airlines
Deal found 2/10![American Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/16:41 pm
JAX
- MDW
1 stop4h 50m
Delta
Thu 4/99:35 am
MDW
- JAX
1 stop6h 31m
Delta
Deal found 2/11![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/148:00 am
JAX
- ORD
Nonstop2h 50m
United Airlines
Tue 3/177:35 am
ORD
- JAX
Nonstop2h 39m
United Airlines
Deal found 2/10![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:50 am
JAX
- MDW
2 stops8h 55m
Southwest
Fri 4/176:50 pm
MDW
- JAX
Nonstop2h 15m
Southwest
Deal found 2/9![Southwest logo]()
$275
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:00 am
JAX
- MLI
1 stop5h 11m
American Airlines
Sun 3/13:33 pm
MLI
- JAX
1 stop6h 55m
American Airlines
Deal found 2/10![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/276:00 am
JAX
- ORD
Nonstop2h 48m
United Airlines
Tue 3/3110:32 am
ORD
- JAX
Nonstop2h 37m
United Airlines
Deal found 2/9![United Airlines logo]()
$260
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 2/245:58 pm
JAX
- MLI
1 stop5h 26m
Delta
Sat 2/285:01 pm
MLI
- JAX
1 stop4h 57m
Delta
Deal found 2/9![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/43:35 pm
JAX
- STL
Nonstop2h 15m
Southwest
Tue 5/1210:15 am
STL
- JAX
Nonstop2h 00m
Southwest
Deal found 2/10![Southwest logo]()
$284
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/266:00 am
JAX
- ORD
Nonstop2h 48m
United Airlines
Wed 4/17:00 am
ORD
- JAX
Nonstop2h 36m
United Airlines
Deal found 2/10![United Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/198:07 pm
JAX
- PIA
1 stop4h 49m
American Airlines
Sun 3/225:22 pm
PIA
- JAX
1 stop5h 55m
American Airlines
Deal found 2/9![American Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/77:15 pm
JAX
- STL
Nonstop2h 25m
Southwest
Tue 3/107:15 pm
STL
- JAX
Nonstop2h 00m
Southwest
Deal found 2/11![Southwest logo]()
$284
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 2/247:45 am
JAX
- PAH
1 stop6h 42m
United Airlines
Sat 2/282:05 pm
PAH
- JAX
1 stop6h 27m
United Airlines
Deal found 2/9![United Airlines logo]()
$264
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/316:25 am
JAX
- STL
Nonstop2h 20m
Southwest
Sat 5/26:20 am
STL
- JAX
1 stop6h 50m
Southwest
Deal found 2/11![Southwest logo]()
$288
Last-minute flights from Jacksonville to IllinoisDiscover last-minute flight deals from Jacksonville to Illinois. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Illinois. Data last updated February 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 2/2411:37 am
JAX
- ORD
2 stops48h 45m
Multiple Airlines
Sat 2/285:05 am
ORD
- JAX
1 stop12h 22m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 2/265:51 pm
JAX
- ORD
2 stops18h 00m
Multiple Airlines
Sun 3/14:42 pm
ORD
- JAX
1 stop25h 02m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 2/2610:51 pm
JAX
- ORD
1 stop10h 56m
Frontier
Sun 3/14:42 pm
ORD
- JAX
1 stop25h 02m
Frontier
Deal found 2/8![Frontier logo]()
$253
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/106:25 am
JAX
- MDW
1 stop6h 15m
Southwest
Tue 3/176:00 pm
MDW
- JAX
Nonstop2h 15m
Southwest
Deal found 2/8![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/106:50 pm
JAX
- ORD
1 stop5h 54m
United Airlines
Tue 3/171:06 pm
ORD
- JAX
1 stop5h 58m
United Airlines
Deal found 2/8![United Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/118:18 pm
JAX
- STL
2 stops36h 04m
Frontier
Wed 3/1811:32 am
STL
- JAX
1 stop7h 01m
Frontier
Deal found 2/11![Frontier logo]()
$177
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:44 am
JAX
- ORD
1 stop4h 50m
American Airlines
Wed 3/257:34 pm
ORD
- JAX
Nonstop2h 24m
American Airlines
Deal found 2/8![American Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/118:18 pm
JAX
- MDW
2 stops17h 44m
Multiple Airlines
Sun 3/156:05 am
MDW
- JAX
1 stop8h 29m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/124:29 pm
JAX
- ORD
1 stop7h 10m
Frontier
Thu 3/195:01 am
ORD
- JAX
1 stop9h 33m
Frontier
Deal found 2/10![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Fri 3/135:58 pm
JAX
- MDW
1 stop5h 21m
Frontier
Mon 3/166:05 am
MDW
- JAX
1 stop10h 03m
Frontier
Deal found 2/10![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Mon 3/165:58 pm
JAX
- ORD
1 stop5h 41m
Frontier
Fri 3/205:01 am
ORD
- JAX
1 stop11h 07m
Frontier
Deal found 2/10![Frontier logo]()
$250
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/242:30 pm
JAX
- ORD
1 stop6h 04m
American Airlines
Wed 4/17:12 am
ORD
- JAX
1 stop4h 41m
American Airlines
Deal found 2/10![American Airlines logo]()
$257
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 February 12, 2026.
Search for one-way flight options from Jacksonville to Illinois. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 3/98:18 pm
JAX
- ORD
1 stop13h 05m
Frontier
Deal found 2/8![Frontier logo]()
$57
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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.
Thu 3/124:29 pm
JAX
- STL
1 stop22h 05m
Frontier
Deal found 2/11![Frontier logo]()
$62
This WAYA deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:58 pm
JAX
- MDW
1 stop5h 21m
Frontier
Deal found 2/9![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/67:47 pm
JAX
- ORD
1 stop27h 52m
Frontier
Deal found 2/9![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/47:53 pm
JAX
- MDW
1 stop21h 23m
Frontier
Deal found 2/9![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/98:18 pm
JAX
- MDW
1 stop25h 36m
Frontier
Deal found 2/10![Frontier logo]()
$68
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:12 pm
JAX
- STL
1 stop11h 39m
Frontier
Deal found 2/11![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/27:29 pm
JAX
- ORD
1 stop16h 22m
Frontier
Deal found 2/10![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 2/208:12 pm
JAX
- MDW
1 stop26h 21m
Frontier
Deal found 2/9![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/278:12 pm
JAX
- MDW
1 stop26h 27m
Frontier
Deal found 2/10![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 2/208:12 pm
JAX
- STL
1 stop11h 39m
Frontier
Deal found 2/11![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/67:47 pm
JAX
- MDW
1 stop27h 37m
Frontier
Deal found 2/9![Frontier logo]()
$74
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 February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $194 (Kiwi.com) |
One-way from | $57 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $349 |
Good round-trip deal | $341 or less |
Good one-way deal | $208 or less |
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 February 12, 2026.
Use the filters below to find and compare flights from Jacksonville to Illinois that are best for you.
Fly from
Jacksonville
Fly to
Illinois
Route
Depart
Return
Price
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Wed 3/11
8:18 pm-7:22 am
2 stops36h 04m
Lambert-St Louis
Wed 3/18
11:32 am-7:33 pm
1 stop7h 01m
$177
JacksonvilleChicago
JAX - ORD
JAXORD
Jacksonville
Wed 4/29
9:20 am-2:27 pm
1 stop6h 07m
Chicago O'Hare Intl
Wed 5/6
4:10 pm-7:44 pm
Nonstop2h 34m
$247
JacksonvilleChicago
JAX - MDW
JAXMDW
Jacksonville
Wed 5/6
7:20 am-8:50 am
Nonstop2h 30m
Chicago Midway
Wed 5/13
10:25 am-6:35 pm
1 stop7h 10m
$247
JacksonvilleChicago
JAX - MDW
JAXMDW
Jacksonville
Tue 4/7
1:50 pm-8:20 pm
1 stop7h 30m
Chicago Midway
Sat 4/18
3:45 pm-7:00 pm
Nonstop2h 15m
$247
JacksonvilleChicago
JAX - ORD
JAXORD
Jacksonville
Fri 4/24
3:27 pm-8:08 pm
1 stop5h 41m
Chicago O'Hare Intl
Mon 4/27
2:20 pm-9:17 pm
1 stop5h 57m
$250
JacksonvilleChicago
JAX - ORD
JAXORD
Jacksonville
Wed 4/22
9:20 am-2:27 pm
1 stop6h 07m
Chicago O'Hare Intl
Sat 4/25
1:00 pm-8:02 pm
1 stop6h 02m
$252
JacksonvilleChicago
JAX - ORD
JAXORD
Jacksonville
Tue 3/10
6:50 pm-11:44 pm
1 stop5h 54m
Chicago O'Hare Intl
Tue 3/17
1:06 pm-8:04 pm
1 stop5h 58m
$252
JacksonvilleChicago
JAX - MDW
JAXMDW
Jacksonville
Tue 3/10
8:00 am-4:10 pm
2 stops9h 10m
Chicago Midway
Tue 3/17
6:00 pm-9:15 pm
Nonstop2h 15m
$252
JacksonvilleChicago
JAX - MDW
JAXMDW
Jacksonville
Tue 3/31
11:58 am-5:54 pm
1 stop6h 56m
Chicago Midway
Wed 4/8
6:07 pm-12:02 am
1 stop4h 55m
$257
JacksonvilleChicago
JAX - MDW
JAXMDW
Jacksonville
Wed 4/1
5:30 am-9:56 am
1 stop5h 26m
Chicago Midway
Tue 4/7
9:35 am-5:06 pm
1 stop6h 31m
$257
Showing 1-10 of 60 results
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.
JAX-STL
JAX-ORD
JAX-MDW
JAX-PIA
JAX-MLI
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
JAX-USIL
JAX-STL
JAX-ORD
JAX-MDW
JAX-PIA
What is the cheapest month to book a flight from Jacksonville to Illinois?
Currently, May is the cheapest month in which you can book a flight from Jacksonville to Illinois (average of $98). Flying from Jacksonville to Illinois in February is currently the most expensive (average of $259). 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 JAX to IL?
Find hourly flight availability from Jacksonville 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 February 12, 2026.
When flying from Jacksonville to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 33% versus a flight at noon.
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 February 12, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Jacksonville to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
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
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Jacksonville to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Jacksonville and Illinois flights
Browse other Jacksonville and Illinois flight options. Last updated on February 12, 2026.
Popular flight searches
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Jacksonville to Illinois flights
Consider these flights traveling from Jacksonville to Illinois.
Top 5 airlines flying from Jacksonville to Illinois
Discover the top 5 airlines 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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$136 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$345 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$215 | Average$342 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$217 | Average$370 | FlexibilityNo cancel fee | On-time63% |