$56+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ORD
Sep 13 — Sep 201
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 August 14, 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 August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 11/56:46 pm -
1 stop15h 54m
Mon 11/910:35 am -
1 stop6h 16m
Deal found 8/11![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/86:46 pm -
1 stop15h 54m
Sun 10/1110:35 am -
1 stop6h 16m
Deal found 8/11![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/156:20 pm -
1 stop24h 20m
Wed 10/216:35 pm -
1 stop21h 50m
Deal found 8/13![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/96:46 pm -
1 stop15h 54m
Mon 10/1210:35 am -
1 stop6h 16m
Deal found 8/10![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/86:20 pm -
1 stop24h 20m
Mon 10/126:35 pm -
1 stop23h 11m
Deal found 8/13![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/116:20 pm -
1 stop24h 20m
Fri 10/166:35 pm -
1 stop23h 11m
Deal found 8/13![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/96:46 pm -
1 stop15h 54m
Sun 10/1110:35 am -
1 stop6h 16m
Deal found 8/10![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/26:46 pm -
1 stop15h 54m
Wed 11/410:35 am -
1 stop6h 16m
Deal found 8/13![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/107:46 pm -
1 stop18h 24m
Mon 9/142:29 pm -
1 stop27h 32m
Deal found 8/13![Frontier logo]()
$134
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 9/512:37 pm -
Nonstop2h 53m
Sun 9/610:30 am -
Nonstop2h 35m
Deal found 8/9![United Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 8/11. 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 9/57:30 am -
Nonstop2h 20m
Sun 9/61:40 pm -
Nonstop2h 15m
Deal found 8/11![Southwest logo]()
$197
This American Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 9/56:14 pm -
Nonstop2h 54m
Sun 9/69:40 am -
Nonstop2h 36m
Deal found 8/9![American Airlines logo]()
$198
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 August 14, 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 August 14, 2026.
This Delta deal was found by Cheapflights users on 8/9. 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.
Sat 9/55:25 pm -
1 stop4h 30m
Sun 9/66:40 am -
1 stop5h 44m
Deal found 8/9![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/89:40 am -
Nonstop2h 46m
Tue 10/133:35 pm -
Nonstop2h 34m
Deal found 8/12![United Airlines logo]()
$221
This Southwest deal was found by Cheapflights users on 8/11. 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.
Mon 9/287:00 am -
Nonstop2h 25m
Wed 9/305:55 pm -
Nonstop2h 25m
Deal found 8/11![Southwest logo]()
$221
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 11/135:46 pm -
1 stop7h 13m
Thu 11/264:18 pm -
1 stop6h 32m
Deal found 8/14![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/55:25 pm -
1 stop6h 11m
Sun 9/66:05 am -
1 stop6h 19m
Deal found 8/13![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:35 am -
Nonstop2h 53m
Wed 9/1612:55 pm -
1 stop6h 59m
Deal found 8/11![United Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/287:00 am -
1 stop4h 30m
Sat 10/310:05 am -
2 stops8h 55m
Deal found 8/13![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 8/11. 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.
Fri 10/3011:35 am -
2 stops8h 30m
Mon 11/21:20 pm -
2 stops9h 20m
Deal found 8/11![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Mon 12/219:20 am -
1 stop5h 47m
Wed 12/302:22 pm -
1 stop4h 56m
Deal found 8/13![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 12/312:59 pm -
1 stop7h 03m
Mon 12/711:29 am -
1 stop5h 11m
Deal found 8/13![Delta logo]()
$241
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/184:45 pm -
Nonstop2h 49m
Sat 9/1910:30 am -
Nonstop2h 35m
Deal found 8/13![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:30 pm -
1 stop8h 00m
Sat 9/1912:45 pm -
Nonstop2h 15m
Deal found 8/13![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:25 am -
1 stop4h 13m
Mon 12/78:04 am -
1 stop5h 59m
Deal found 8/14![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/239:40 am -
Nonstop2h 46m
Mon 10/267:47 am -
Nonstop2h 41m
Deal found 8/13![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm -
1 stop6h 55m
Fri 9/186:05 am -
1 stop6h 20m
Deal found 8/12![Southwest logo]()
$260
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sun 8/306:14 pm -
1 stop6h 54m
Sun 9/66:00 am -
1 stop6h 16m
Deal found 8/10![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:51 am -
1 stop5h 38m
Thu 9/1710:30 am -
Nonstop2h 35m
Deal found 8/11![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/26:15 am -
Nonstop2h 10m
Sun 9/62:45 pm -
1 stop5h 55m
Deal found 8/13![Southwest logo]()
$263
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/225:05 am -
1 stop6h 46m
Sun 10/257:20 pm -
1 stop3h 36m
Deal found 8/13![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/294:35 pm -
2 stops8h 33m
Sun 8/304:21 pm -
1 stop6h 54m
Deal found 8/12![American Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:45 pm -
1 stop4h 10m
Sat 10/1710:25 am -
2 stops6h 55m
Deal found 8/14![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 9/104:45 pm -
Nonstop2h 49m
Sun 9/137:05 am -
Nonstop2h 46m
Deal found 8/9![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 8/10. 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.
Sun 9/65:40 pm -
Nonstop2h 10m
Sat 9/124:15 pm -
Nonstop2h 05m
Deal found 8/10![Southwest logo]()
$285
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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.
Mon 8/319:19 am -
Nonstop2h 53m
Sat 9/53:35 pm -
Nonstop2h 44m
Deal found 8/12![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:10 pm -
1 stop7h 09m
Sun 9/66:00 am -
1 stop6h 24m
Deal found 8/14![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 8/9. 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 9/85:25 pm -
Nonstop2h 30m
Thu 9/106:45 pm -
Nonstop2h 20m
Deal found 8/9![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/19:40 am -
Nonstop2h 46m
Mon 10/53:35 pm -
Nonstop2h 34m
Deal found 8/12![United Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 8/295:25 pm -
1 stop5h 54m
Sun 8/306:00 am -
1 stop6h 24m
Deal found 8/10![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/311:50 am -
Nonstop2h 10m
Sun 10/48:05 pm -
Nonstop1h 55m
Deal found 8/12![Southwest logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/297:30 am -
1 stop5h 40m
Mon 11/25:00 am -
1 stop5h 28m
Deal found 8/13![United Airlines logo]()
$307
Last-minute flights from Jacksonville to IllinoisDiscover last-minute flight deals from Jacksonville to Illinois. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Illinois. Data last updated August 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/27:05 pm -
1 stop23h 17m
Sun 9/66:17 pm -
1 stop22h 53m
Deal found 8/12![Frontier logo]()
$186
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:05 pm -
1 stop4h 42m
Sun 9/66:05 am -
1 stop11h 05m
Deal found 8/11![Frontier logo]()
$202
This Southwest deal was found by Cheapflights users on 8/11. 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 9/57:30 am -
Nonstop2h 20m
Sun 9/61:40 pm -
Nonstop2h 15m
Deal found 8/11![Southwest logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/107:46 pm -
1 stop18h 24m
Mon 9/142:29 pm -
1 stop27h 32m
Deal found 8/13![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/107:46 pm -
1 stop18h 24m
Mon 9/142:29 pm -
2 stops24h 57m
Deal found 8/13![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/187:46 pm -
1 stop4h 58m
Mon 9/216:25 am -
1 stop11h 36m
Deal found 8/11![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/227:46 pm -
1 stop18h 24m
Sat 9/2612:17 pm -
2 stops29h 44m
Deal found 8/13![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/247:46 pm -
1 stop18h 24m
Sun 9/275:19 pm -
2 stops24h 42m
Deal found 8/10![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/247:46 pm -
1 stop18h 24m
Tue 9/2912:17 pm -
2 stops29h 44m
Deal found 8/13![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/277:46 pm -
1 stop18h 24m
Sat 10/38:10 pm -
2 stops45h 51m
Deal found 8/12![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/277:46 pm -
1 stop18h 24m
Sun 10/410:20 am -
2 stops31h 41m
Deal found 8/12![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:46 pm -
2 stops40h 46m
Mon 10/52:29 pm -
1 stop27h 32m
Deal found 8/14![Frontier logo]()
$160
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 August 14, 2026.
Search for one-way flight options from Jacksonville to Illinois. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:20 pm -
1 stop24h 20m
Deal found 8/14![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sun 9/137:46 pm -
1 stop18h 24m
Deal found 8/11![Frontier logo]()
$58
This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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.
Mon 10/127:46 pm -
1 stop23h 45m
Deal found 8/12![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:46 pm -
1 stop23h 37m
Deal found 8/14![Frontier logo]()
$63
This Trip.com deal was found by Cheapflights users on 8/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:05 pm -
1 stop26h 03m
Deal found 8/10![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/287:46 pm -
1 stop17h 05m
Deal found 8/12![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Mon 11/96:46 pm -
1 stop18h 16m
Deal found 8/11![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/116:46 pm -
1 stop15h 54m
Deal found 8/13![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/27:46 pm -
1 stop23h 37m
Deal found 8/12![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Mon 11/96:46 pm -
1 stop15h 54m
Deal found 8/11![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/97:46 pm -
1 stop23h 45m
Deal found 8/12![Frontier logo]()
$70
This Super.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/317:05 pm -
1 stop4h 42m
Deal found 8/12![Frontier logo]()
$70
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $102 (Kiwi.com) |
One-way from | $56 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $341 |
Good round-trip deal | $273 or less |
Good one-way deal | $202 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 August 14, 2026.
Use the filters below to find and compare flights from Jacksonville to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
JacksonvilleChicago
JAX Jacksonville - ORD Chicago O'Hare Intl
JAXORD
Jacksonville
Sat 9/5
5:25 pm-8:55 pm
1 stop4h 30m
Chicago O'Hare Intl
Sun 9/6
6:40 am-1:24 pm
1 stop5h 44m
$217
JacksonvilleChicago
JAX Jacksonville - MDW Chicago Midway
JAXMDW
Jacksonville
Sat 9/5
5:25 pm-10:36 pm
1 stop6h 11m
Chicago Midway
Sun 9/6
6:05 am-1:24 pm
1 stop6h 19m
$217
JacksonvilleChicago
JAX Jacksonville - ORD Chicago O'Hare Intl
JAXORD
Jacksonville
Thu 10/8
9:40 am-11:26 am
Nonstop2h 46m
Chicago O'Hare Intl
Tue 10/13
3:35 pm-7:09 pm
Nonstop2h 34m
$221
JacksonvilleChicago
JAX Jacksonville - MDW Chicago Midway
JAXMDW
Jacksonville
Mon 9/28
7:00 am-8:25 am
Nonstop2h 25m
Chicago Midway
Wed 9/30
5:55 pm-9:20 pm
Nonstop2h 25m
$221
JacksonvilleChicago
JAX Jacksonville - ORD Chicago O'Hare Intl
JAXORD
Jacksonville
Wed 9/9
9:35 am-11:28 am
Nonstop2h 53m
Chicago O'Hare Intl
Wed 9/16
12:55 pm-8:54 pm
1 stop6h 59m
$227
JacksonvilleSt. Louis
JAX Jacksonville - STL Lambert-St Louis
JAXSTL
Jacksonville
Mon 9/28
7:00 am-10:30 am
1 stop4h 30m
Lambert-St Louis
Sat 10/3
10:05 am-8:00 pm
2 stops8h 55m
$232
JacksonvilleSt. Louis
JAX Jacksonville - STL Lambert-St Louis
JAXSTL
Jacksonville
Fri 10/30
11:35 am-7:05 pm
2 stops8h 30m
Lambert-St Louis
Mon 11/2
1:20 pm-11:40 pm
2 stops9h 20m
$232
JacksonvilleChicago
JAX Jacksonville - ORD Chicago O'Hare Intl
JAXORD
Jacksonville
Mon 12/21
9:20 am-2:07 pm
1 stop5h 47m
Chicago O'Hare Intl
Wed 12/30
2:22 pm-8:18 pm
1 stop4h 56m
$241
JacksonvilleChicago
JAX Jacksonville - ORD Chicago O'Hare Intl
JAXORD
Jacksonville
Thu 12/3
12:59 pm-7:02 pm
1 stop7h 03m
Chicago O'Hare Intl
Mon 12/7
11:29 am-5:40 pm
1 stop5h 11m
$241
JacksonvilleChicago
JAX Jacksonville - ORD Chicago O'Hare Intl
JAXORD
Jacksonville
Fri 9/18
4:45 pm-6:34 pm
Nonstop2h 49m
Chicago O'Hare Intl
Sat 9/19
10:30 am-2:05 pm
Nonstop2h 35m
$242
Showing 1-10 of 60 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.
JAX-ORD
JAX-MDW
JAX-PIA
JAX-STL
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-ORD
JAX-MDW
JAX-PIA
JAX-STL
What is the cheapest month to book a flight from Jacksonville to Illinois?
Currently, September is the cheapest month in which you can book a flight from Jacksonville to Illinois (average of $304). Flying from Jacksonville to Illinois in March is currently the most expensive (average of $387). 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 August 14, 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 17% versus a flight at noon.
Weekly flight availability from Jacksonville to Illinois
Explore weekly flight availability from Jacksonville 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 August 14, 2026.
The most flights from JAX to USIL are scheduled on a Thursday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Jacksonville to Illinois?
Airfare is below average for this route at the moment.
Jacksonville to Illinois flights typically cost between $287 and $464 in September.The cheapest round-trip price found within the last 5 days was $197 on United Airlines (Sep 5-Sep 8).
How far ahead should I book a flight from Jacksonville to Illinois?
The price you pay for your flight from Jacksonville to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Jacksonville to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Jacksonville to Illinois. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Jacksonville to Illinois flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday 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 August 14, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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 August 14, 2026.
Popular flight searches
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Jacksonville to Illinois flights
Consider these flights traveling from Jacksonville to Illinois.
Top 6 airlines flying from Jacksonville to Illinois
Discover the top 6 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 August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$121 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$234 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$363 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$206 | Average$398 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$206 | Average$301 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$355 | FlexibilityNo cancel fee | On-time69% |