$47+ Cheap flights from Illinois to Jacksonville (JAX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAX
Oct 5 — Oct 121
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Jacksonville 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 Illinois to JacksonvilleExplore the most affordable flight options available from Illinois to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
Explore the most affordable flight options available from Illinois to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop21h 50m
Tue 10/277:03 pm -
1 stop23h 37m
Deal found 9/2![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/232:29 pm -
1 stop27h 32m
Tue 9/297:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:44 pm -
1 stop22h 44m
Tue 11/107:03 pm -
1 stop23h 37m
Deal found 9/1![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/212:29 pm -
1 stop27h 32m
Tue 9/297:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/232:29 pm -
1 stop27h 32m
Sun 9/277:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/212:29 pm -
1 stop27h 32m
Sun 9/277:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/72:29 pm -
1 stop25h 56m
Sun 10/116:20 pm -
1 stop24h 20m
Deal found 8/31![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop23h 11m
Fri 10/237:46 pm -
2 stops24h 11m
Deal found 9/2![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:17 pm -
2 stops29h 44m
Thu 10/156:20 pm -
1 stop24h 20m
Deal found 9/1![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/2212:17 pm -
2 stops29h 44m
Tue 9/297:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:26 am -
1 stop5h 59m
Sun 10/256:20 pm -
1 stop16h 01m
Deal found 9/2![Frontier logo]()
$215
This CheapOair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:22 am -
1 stop10h 03m
Mon 10/267:46 pm -
1 stop4h 57m
Deal found 9/2![Frontier logo]()
$216
Best flights from Illinois to JacksonvilleDiscover carefully curated flight deals from Illinois to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from Illinois to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/286:54 pm -
1 stop4h 04m
Sat 10/32:32 pm -
1 stop6h 35m
Deal found 9/3![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/282:05 pm -
Nonstop2h 00m
Sat 10/36:35 am -
Nonstop2h 10m
Deal found 9/3![Southwest logo]()
$296
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/12:23 pm -
1 stop7h 57m
Sun 10/49:40 am -
1 stop4h 52m
Deal found 8/31![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:19 pm -
2 stops9h 40m
Sun 10/45:14 am -
2 stops8h 35m
Deal found 9/1![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:35 pm -
Nonstop2h 34m
Mon 10/267:30 am -
Nonstop2h 49m
Deal found 9/1![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/116:40 pm -
Nonstop2h 25m
Mon 11/163:45 pm -
1 stop6h 40m
Deal found 8/31![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/165:03 pm -
1 stop4h 56m
Sun 10/186:36 am -
1 stop5h 15m
Deal found 9/3![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:45 am -
Nonstop2h 41m
Tue 11/39:45 am -
Nonstop2h 54m
Deal found 9/1![United Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/26:54 pm -
1 stop4h 04m
Sun 10/116:10 am -
1 stop3h 59m
Deal found 9/3![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/23:00 pm -
Nonstop2h 15m
Wed 10/71:30 pm -
1 stop6h 50m
Deal found 8/31![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/13:53 pm -
1 stop5h 37m
Sun 10/116:36 am -
1 stop5h 15m
Deal found 8/31![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:50 pm -
Nonstop2h 15m
Tue 11/106:05 am -
1 stop7h 00m
Deal found 9/1![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/1711:19 am -
1 stop4h 09m
Sat 10/312:36 pm -
1 stop4h 53m
Deal found 9/3![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 9/193:35 pm -
1 stop6h 45m
Wed 9/234:45 pm -
1 stop5h 14m
Deal found 9/4![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:19 pm -
2 stops9h 40m
Mon 9/216:36 am -
1 stop7h 13m
Deal found 9/1![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 2/2011:10 am -
1 stop4h 07m
Tue 2/238:30 am -
1 stop5h 50m
Deal found 9/3![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/17:55 pm -
Nonstop1h 55m
Tue 10/612:45 pm -
1 stop4h 10m
Deal found 8/31![Southwest logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:13 pm -
2 stops8h 03m
Mon 11/96:01 am -
1 stop6h 38m
Deal found 9/1![American Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/282:05 pm -
Nonstop2h 00m
Wed 9/306:50 pm -
1 stop4h 25m
Deal found 8/31![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:23 pm -
1 stop7h 57m
Sat 10/247:25 am -
1 stop7h 07m
Deal found 9/2![United Airlines logo]()
$384
This KAYAK deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:29 am -
1 stop6h 53m
Fri 9/256:59 pm -
1 stop4h 45m
Deal found 9/2![Delta logo]()
$390
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/176:35 am -
1 stop8h 35m
Wed 10/2112:45 pm -
1 stop4h 10m
Deal found 8/31![Southwest logo]()
$343
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:53 pm -
1 stop6h 30m
Sun 9/206:18 pm -
1 stop6h 47m
Deal found 9/1![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:42 am -
2 stops9h 12m
Sun 9/206:40 am -
1 stop6h 51m
Deal found 9/1![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/166:08 am -
1 stop4h 48m
Sun 9/206:59 pm -
1 stop4h 35m
Deal found 8/31![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/2710:05 am -
Nonstop2h 00m
Sat 10/36:35 am -
Nonstop2h 10m
Deal found 9/3![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 2/2011:10 am -
1 stop5h 17m
Sat 2/271:20 pm -
1 stop4h 17m
Deal found 8/31![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/95:00 am -
1 stop5h 24m
Wed 1/134:45 pm -
1 stop5h 36m
Deal found 9/2![United Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/154:27 pm -
1 stop6h 32m
Tue 10/205:49 pm -
1 stop7h 21m
Deal found 9/4![American Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/97:55 pm -
Nonstop2h 00m
Sun 10/118:55 pm -
1 stop4h 00m
Deal found 9/4![Southwest logo]()
$355
Last-minute flights from Illinois to JacksonvilleDiscover last-minute flight deals from Illinois to Jacksonville. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Jacksonville. Data last updated September 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/212:29 pm -
1 stop27h 32m
Tue 9/297:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/212:29 pm -
1 stop27h 32m
Sun 9/277:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/2212:17 pm -
2 stops29h 44m
Tue 9/297:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/232:29 pm -
1 stop27h 32m
Tue 9/297:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/232:29 pm -
1 stop27h 32m
Sun 9/277:46 pm -
1 stop18h 24m
Deal found 8/31![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/232:29 pm -
1 stop27h 32m
Mon 9/287:46 pm -
2 stops40h 46m
Deal found 8/31![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
1 stop27h 32m
Fri 10/97:46 pm -
2 stops28h 27m
Deal found 9/1![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:17 pm -
2 stops29h 44m
Thu 10/156:20 pm -
1 stop24h 20m
Deal found 9/1![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/72:29 pm -
1 stop25h 56m
Sun 10/116:20 pm -
1 stop24h 20m
Deal found 8/31![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop23h 11m
Fri 10/237:46 pm -
2 stops24h 11m
Deal found 9/2![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop21h 50m
Tue 10/277:03 pm -
1 stop23h 37m
Deal found 9/2![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:26 am -
1 stop5h 59m
Sun 10/256:20 pm -
1 stop16h 01m
Deal found 9/2![Frontier logo]()
$215
One-way flights from Illinois to JacksonvilleSearch for one-way flight options from Illinois to Jacksonville. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from Illinois to Jacksonville. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/52:29 pm -
1 stop27h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$47
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/302:29 pm -
1 stop27h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$48
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:44 pm -
1 stop22h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/96:35 pm -
1 stop23h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
1 stop27h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/306:44 pm -
1 stop22h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:29 pm -
1 stop27h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/236:35 pm -
1 stop23h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/66:44 pm -
1 stop22h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$67
This Priceline deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:26 am -
1 stop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$93
This Trip.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:20 am -
1 stop11h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:44 pm -
1 stop22h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$99
Find flight deals from Illinois to Jacksonville
Keep the following information in mind while searching for Illinois to Jacksonville flight deals. Data was last updated September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $88 (Kiwi.com) |
One-way from | $47 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $316 |
Good round-trip deal | $251 or less |
Good one-way deal | $143 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Jacksonville 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 7,457,451 searches. Data last updated September 5, 2026.
Use the filters below to find and compare flights from Illinois to Jacksonville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Thu 12/3
7:18 pm-12:10 am
1 stop3h 52m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Wed 12/2
10:50 am-6:08 pm
1 stop6h 18m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Sat 10/3
10:40 am-4:28 pm
1 stop4h 48m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Thu 11/5
2:25 pm-8:41 pm
1 stop5h 16m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$138
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Tue 12/1
7:03 am-1:24 pm
1 stop5h 21m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$138
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Sat 10/31
10:47 am-4:43 pm
1 stop4h 56m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$138
Quickest round-trip
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Wed 11/11
6:15 pm-9:10 pm
Nonstop1h 55m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$142
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Thu 10/1
7:55 pm-10:50 pm
Nonstop1h 55m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$142
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Tue 11/3
10:25 am-5:54 pm
1 stop6h 29m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$147
ChicagoJacksonville
ORD Chicago O'Hare Intl - JAX Jacksonville
ORDJAX
Chicago O'Hare Intl
Wed 9/30
3:35 pm-7:09 pm
Nonstop2h 34m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Jacksonville
Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Illinois with our price prediction graph.
STL-JAX
ORD-JAX
PAH-JAX
BMI-JAX
MDW-JAX
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 Illinois to Jacksonville
USIL-JAX
STL-JAX
ORD-JAX
PAH-JAX
BMI-JAX
What is the cheapest month to book a flight from Illinois to Jacksonville?
Currently, September is the cheapest month in which you can book a flight from Illinois to Jacksonville (average of $330). Flying from Illinois to Jacksonville in July is currently the most expensive (average of $408). 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 IL to JAX?
Find hourly flight availability from Illinois to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 5, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from Illinois to Jacksonville by exploring options for tickets in the morning.
How much does it cost to fly round-trip from Illinois to Jacksonville?
Airfare is below average for this route at the moment.
Illinois to Jacksonville flights typically cost between $261 and $407 in October.The cheapest round-trip price found within the last 5 days was $215 on Frontier (Oct 22-Oct 25).
How far ahead should I book a flight from Illinois to Jacksonville?
The best time to book flights from Illinois to Jacksonville is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Illinois to Jacksonville?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Jacksonville. Price data was last updated on January 31, 2026.
Travelers seeking maximum savings on their Illinois to Jacksonville flight should consider departing on Sunday mornings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Jacksonville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Jacksonville?
Book flights to Jacksonville if you plan to visit one of these locationsJacksonville Beach
Fernandina Beach
Orange Park
Kingsland
Waycross
Atlantic Beach
Yulee
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Alternative routes for Illinois to Jacksonville
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Complete your trip
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Search flights from Illinois to Jacksonville by cabin class
Find flights from Illinois to Jacksonville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Jacksonville
Explore flights to Jacksonville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 5, 2026.
Illinois and Jacksonville flights
Browse other Illinois and Jacksonville flight options. Last updated on September 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Jacksonville flights
Consider these flights traveling from Illinois to Jacksonville.
Top 7 airlines flying from Illinois to Jacksonville
Discover the top 7 airlines that operate flights from Illinois to Jacksonville. 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 7,457,451 searches. Data last updated September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$395 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$182 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$128 | Average$262 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$238 | Average$389 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$245 | Average$378 | FlexibilityNo cancel fee | On-time69% |