$118+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAX
Nov 18 — Nov 251
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Jacksonville
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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 October 19, 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 October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 10/2510:20 am -
1 stop21h 25m
Sat 10/313:55 pm -
1 stop19h 35m
Deal found 10/14![Multiple Airlines logo]()
$261
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:05 am -
1 stop10h 26m
Sat 11/218:46 pm -
2 stops17h 58m
Deal found 10/15![Frontier logo]()
$262
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:08 am -
1 stop11h 03m
Wed 11/117:03 pm -
2 stops17h 22m
Deal found 10/14![Frontier logo]()
$263
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:53 pm -
1 stop17h 26m
Sat 12/123:39 pm -
1 stop7h 21m
Deal found 10/16![Frontier logo]()
$263
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
2 stops11h 55m
Sun 11/157:03 pm -
1 stop15h 11m
Deal found 10/14![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
2 stops11h 55m
Tue 11/177:03 pm -
1 stop24h 27m
Deal found 10/18![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Fri 11/66:08 am -
1 stop12h 17m
Sun 11/87:03 pm -
1 stop23h 44m
Deal found 10/16![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:49 am -
1 stop8h 18m
Wed 12/23:39 pm -
1 stop6h 56m
Deal found 10/17![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:35 pm -
1 stop21h 36m
Mon 11/97:03 pm -
1 stop24h 27m
Deal found 10/16![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:15 am -
1 stop10h 16m
Sat 11/213:55 pm -
2 stops17h 19m
Deal found 10/17![Multiple Airlines logo]()
$268
This Frontier deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:19 am -
1 stop8h 04m
Sun 11/225:59 pm -
1 stop6h 19m
Deal found 10/15![Frontier logo]()
$268
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:08 am -
1 stop11h 03m
Thu 11/198:08 pm -
1 stop4h 39m
Deal found 10/18![Frontier logo]()
$269
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 October 19, 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 October 19, 2026.
This Expedia deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/85:39 pm -
Nonstop2h 02m
Thu 4/153:41 pm -
Nonstop2h 08m
Deal found 10/17![Allegiant Air logo]()
$118
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:40 pm -
Nonstop2h 30m
Mon 12/73:45 pm -
1 stop6h 45m
Deal found 10/19![Southwest logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/85:39 pm -
Nonstop2h 02m
Thu 4/152:57 pm -
1 stop19h 47m
Deal found 10/18![Multiple Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:35 pm -
1 stop8h 07m
Sun 11/227:11 am -
1 stop7h 42m
Deal found 10/16![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2611:00 am -
1 stop6h 53m
Sun 2/285:30 am -
1 stop5h 56m
Deal found 10/17![Delta logo]()
$349
This JetBlue deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop7h 47m
Tue 12/87:09 am -
1 stop7h 21m
Deal found 10/19![JetBlue logo]()
$411
This American Airlines deal was found by Cheapflights users on 10/14. 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 10/302:30 pm -
2 stops8h 29m
Tue 11/37:31 am -
2 stops7h 27m
Deal found 10/14![American Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:20 am -
1 stop21h 25m
Wed 11/43:55 pm -
1 stop17h 45m
Deal found 10/18![Multiple Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 11/116:40 pm -
Nonstop2h 30m
Wed 11/181:30 pm -
Nonstop2h 25m
Deal found 10/14![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:31 pm -
1 stop6h 05m
Sat 12/57:30 am -
1 stop6h 15m
Deal found 10/15![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/25:00 pm -
1 stop4h 43m
Mon 4/55:30 am -
1 stop5h 56m
Deal found 10/17![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 pm -
Nonstop2h 20m
Tue 11/101:30 pm -
Nonstop2h 25m
Deal found 10/15![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/225:00 pm -
1 stop6h 02m
Fri 1/291:20 pm -
1 stop4h 02m
Deal found 10/17![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:00 pm -
Nonstop2h 42m
Mon 11/99:20 am -
1 stop6h 18m
Deal found 10/15![United Airlines logo]()
$353
This Mytrip deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:36 pm -
2 stops21h 09m
Tue 11/175:06 pm -
2 stops26h 50m
Deal found 10/18![Breeze Airways logo]()
$803
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/211:00 am -
1 stop4h 17m
Sun 2/76:30 am -
1 stop4h 56m
Deal found 10/18![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/210:38 am -
2 stops11h 41m
Sun 2/77:30 am -
1 stop7h 14m
Deal found 10/18![United Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:40 pm -
Nonstop2h 30m
Sun 11/227:20 am -
Nonstop2h 30m
Deal found 10/16![Southwest logo]()
$357
This American Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:33 pm -
2 stops8h 22m
Sun 12/66:00 am -
2 stops8h 48m
Deal found 10/17![American Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/179:59 am -
1 stop4h 07m
Wed 12/306:15 pm -
1 stop6h 44m
Deal found 10/15![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:43 am -
1 stop6h 19m
Tue 11/34:45 pm -
1 stop5h 28m
Deal found 10/15![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 pm -
Nonstop2h 20m
Fri 11/207:20 am -
Nonstop2h 30m
Deal found 10/16![Southwest logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/410:45 am -
1 stop19h 55m
Sun 3/78:18 pm -
2 stops21h 26m
Deal found 10/17![Multiple Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:59 pm -
1 stop6h 50m
Wed 11/45:50 pm -
1 stop7h 20m
Deal found 10/16![American Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:47 am -
Nonstop2h 41m
Fri 11/207:30 am -
Nonstop2h 49m
Deal found 10/14![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 10/14. 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 1/16:00 am -
1 stop5h 30m
Tue 1/56:30 am -
1 stop4h 22m
Deal found 10/14![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/197:35 am -
2 stops8h 30m
Mon 3/15:35 am -
1 stop7h 20m
Deal found 10/19![Southwest logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:42 pm -
2 stops53h 13m
Sat 11/73:55 pm -
1 stop18h 45m
Deal found 10/19![Multiple Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 10/14. 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.
Thu 12/319:58 am -
1 stop4h 59m
Wed 1/61:20 pm -
1 stop4h 05m
Deal found 10/14![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/313:30 pm -
1 stop4h 38m
Sat 4/37:00 am -
2 stops10h 31m
Deal found 10/15![United Airlines logo]()
$398
Last-minute flights from Illinois to JacksonvilleDiscover last-minute flight deals from Illinois to Jacksonville. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Jacksonville. Data last updated October 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 10/2510:20 am -
1 stop21h 25m
Sat 10/313:55 pm -
1 stop19h 35m
Deal found 10/14![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:35 pm -
1 stop21h 36m
Mon 11/97:03 pm -
1 stop24h 27m
Deal found 10/16![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:08 am -
1 stop12h 17m
Sun 11/87:03 pm -
1 stop23h 44m
Deal found 10/16![Frontier logo]()
$266
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:08 am -
1 stop11h 03m
Wed 11/117:03 pm -
2 stops17h 22m
Deal found 10/14![Frontier logo]()
$263
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 am -
2 stops11h 11m
Sun 11/157:03 pm -
2 stops17h 20m
Deal found 10/14![Frontier logo]()
$268
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
2 stops11h 55m
Sun 11/157:03 pm -
1 stop15h 11m
Deal found 10/14![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
2 stops11h 55m
Tue 11/177:03 pm -
1 stop24h 27m
Deal found 10/18![Frontier logo]()
$265
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:05 am -
1 stop10h 26m
Sat 11/218:46 pm -
2 stops17h 58m
Deal found 10/15![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:15 am -
1 stop10h 16m
Sat 11/213:55 pm -
2 stops17h 19m
Deal found 10/17![Multiple Airlines logo]()
$268
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:08 am -
1 stop11h 03m
Thu 11/198:08 pm -
1 stop4h 39m
Deal found 10/18![Frontier logo]()
$269
This CheapOair deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:49 am -
1 stop8h 18m
Wed 12/23:39 pm -
1 stop6h 56m
Deal found 10/17![Frontier logo]()
$266
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:53 pm -
1 stop17h 26m
Sat 12/123:39 pm -
1 stop7h 21m
Deal found 10/16![Frontier logo]()
$263
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 October 19, 2026.
Search for one-way flight options from Illinois to Jacksonville. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:49 am -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 12/138:15 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:08 am -
2 stops26h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:26 pm -
2 stops14h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/231:11 pm -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:07 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1412:17 am -
1 stop18h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
2 stops26h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Fri 11/134:42 pm -
2 stops24h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$152
This Trip.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:53 am -
1 stop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:16 pm -
2 stops18h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$153
This Super.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:15 am -
1 stop9h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$154
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $118 (Expedia) |
Popular in | September |
Cheapest in | January |
Average price | $351 |
Good round-trip deal | $313 or less |
Good one-way deal | $236 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 October 19, 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
BellevilleJacksonville
BLV Belleville - JAX Jacksonville
BLVJAX
Belleville
Thu 4/8
5:39 pm-8:41 pm
Nonstop2h 02m
Jacksonville
Thu 4/15
3:41 pm-4:49 pm
Nonstop2h 08m
$118
ChicagoJacksonville
MDW Chicago Midway - JAX Jacksonville
MDWJAX
Chicago Midway
Thu 11/26
1:16 pm-8:45 am
2 stops18h 29m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$153
ChicagoJacksonville
RFD Chicago Greater Rockford - JAX Jacksonville
RFDJAX
Chicago Greater Rockford
Thu 10/29
9:40 am-8:45 am
1 stop22h 05m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$158
BloomingtonJacksonville
BMI Bloomington-Normal - JAX Jacksonville
BMIJAX
Bloomington-Normal
Fri 12/4
9:05 am-2:20 pm
2 stops28h 15m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$171
Quickest round-trip
ChicagoJacksonville
MDW Chicago Midway - JAX Jacksonville
MDWJAX
Chicago Midway
Mon 12/21
7:00 pm-10:15 pm
Nonstop2h 15m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$172
ChicagoJacksonville
ORD Chicago O'Hare Intl - JAX Jacksonville
ORDJAX
Chicago O'Hare Intl
Tue 11/10
8:00 pm-11:42 pm
Nonstop2h 42m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$172
ChicagoJacksonville
MDW Chicago Midway - JAX Jacksonville
MDWJAX
Chicago Midway
Tue 12/15
6:40 pm-10:10 pm
Nonstop2h 30m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$172
ChicagoJacksonville
ORD Chicago O'Hare Intl - JAX Jacksonville
ORDJAX
Chicago O'Hare Intl
Sat 1/23
5:59 pm-9:32 pm
Nonstop2h 33m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$172
ChicagoJacksonville
ORD Chicago O'Hare Intl - JAX Jacksonville
ORDJAX
Chicago O'Hare Intl
Fri 1/22
2:20 pm-5:52 pm
Nonstop2h 32m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$179
ChicagoJacksonville
ORD Chicago O'Hare Intl - JAX Jacksonville
ORDJAX
Chicago O'Hare Intl
Tue 1/26
11:10 am-6:53 pm
1 stop6h 43m
Jacksonville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$182
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.
MDW-JAX
ORD-JAX
RFD-JAX
BMI-JAX
BLV-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
MDW-JAX
ORD-JAX
RFD-JAX
BMI-JAX
What is the cheapest month to book a flight from Illinois to Jacksonville?
Currently, January is the cheapest month in which you can book a flight from Illinois to Jacksonville (average of $340). Flying from Illinois to Jacksonville in November is currently the most expensive (average of $417). 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 October 19, 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.
Weekly flight availability from Illinois to Jacksonville
Explore weekly flight availability from Illinois to Jacksonville. 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 October 19, 2026.
The most flights from USIL to JAX are scheduled on a Friday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).
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 $297 and $528 in November.The cheapest round-trip price found within the last 5 days was $262 on Frontier (Nov 14-Nov 21).
How far ahead should I book a flight from Illinois to Jacksonville?
The best time to book flights from Illinois to Jacksonville is 82 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
Browse thousands of different options on Cheapflights for your next trip
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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 October 19, 2026.
Illinois and Jacksonville flights
Browse other Illinois and Jacksonville flight options. Last updated on October 19, 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$374 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$86 | Average$268 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$182 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$186 | Average$435 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$238 | Average$391 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$244 | Average$366 | FlexibilityNo cancel fee | On-time69% |