$53+ Cheap flights from Illinois to Jacksonville (JAX)
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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAX
Aug 21 — Aug 281
Round-trip
1 adult, Economy
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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 July 22, 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 July 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/1210:35 am
STL
- JAX
1 stop6h 16m
Frontier
Sun 9/136:46 pm
JAX
- STL
1 stop15h 54m
Frontier
Deal found 7/21![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Sun 8/96:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Thu 8/136:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 7/19![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/2310:35 am
STL
- JAX
1 stop6h 16m
Frontier
Sun 9/276:46 pm
JAX
- STL
1 stop15h 54m
Frontier
Deal found 7/20![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/210:35 am
STL
- JAX
1 stop6h 16m
Frontier
Mon 10/56:46 pm
JAX
- STL
1 stop15h 54m
Frontier
Deal found 7/20![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Sun 8/96:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Wed 8/126:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 7/17![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/206:17 pm
STL
- JAX
1 stop22h 53m
Frontier
Thu 8/277:05 pm
JAX
- STL
1 stop23h 17m
Frontier
Deal found 7/20![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 8/316:17 pm
STL
- JAX
1 stop22h 53m
Frontier
Sat 9/57:05 pm
JAX
- STL
1 stop23h 17m
Frontier
Deal found 7/17![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Sat 8/14:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Thu 8/66:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 7/18![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/1710:35 am
STL
- JAX
1 stop6h 16m
Frontier
Wed 10/216:46 pm
JAX
- STL
1 stop15h 54m
Frontier
Deal found 7/20![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 8/66:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Sun 8/96:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 7/18![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 8/66:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Mon 8/106:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 7/17![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Fri 8/74:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Fri 8/146:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 7/19![Frontier logo]()
$167
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 July 22, 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 July 22, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/292:30 pm
ORD
- JAX
1 stop5h 24m
United Airlines
Tue 9/111:51 am
JAX
- ORD
1 stop6h 08m
United Airlines
Deal found 7/21![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1911:10 am
MDW
- JAX
1 stop5h 45m
Southwest
Sat 8/228:00 am
JAX
- MDW
2 stops10h 05m
Southwest
Deal found 7/22![Southwest logo]()
$222
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/136:45 am
ORD
- JAX
1 stop4h 08m
Delta
Sat 10/175:33 pm
JAX
- ORD
1 stop4h 27m
Delta
Deal found 7/21![Delta logo]()
$227
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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
BMI
- JAX
2 stops9h 40m
American Airlines
Mon 9/216:18 pm
JAX
- BMI
1 stop6h 45m
American Airlines
Deal found 7/21![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/296:45 am
MDW
- JAX
2 stops10h 15m
Southwest
Tue 9/16:50 pm
JAX
- MDW
1 stop4h 30m
Southwest
Deal found 7/21![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/135:30 am
MDW
- JAX
2 stops8h 45m
Southwest
Thu 8/207:50 am
JAX
- MDW
2 stops8h 35m
Southwest
Deal found 7/22![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Sat 9/512:56 pm
ORD
- JAX
1 stop6h 58m
United Airlines
Mon 9/77:30 am
JAX
- ORD
Nonstop2h 48m
United Airlines
Deal found 7/18![United Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/176:00 am
STL
- JAX
1 stop7h 35m
Southwest
Wed 10/216:10 am
JAX
- STL
Nonstop2h 15m
Southwest
Deal found 7/20![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/13:50 pm
ORD
- JAX
Nonstop2h 35m
United Airlines
Thu 9/37:30 am
JAX
- ORD
Nonstop2h 48m
United Airlines
Deal found 7/20![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 7/18. 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.
Thu 9/174:32 pm
BMI
- JAX
1 stop6h 26m
Delta
Mon 9/216:59 pm
JAX
- BMI
1 stop4h 35m
Delta
Deal found 7/18![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/136:05 am
STL
- JAX
1 stop6h 20m
Southwest
Mon 8/172:00 pm
JAX
- STL
Nonstop2h 10m
Southwest
Deal found 7/20![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/133:50 pm
ORD
- JAX
Nonstop2h 35m
United Airlines
Mon 8/177:30 am
JAX
- ORD
Nonstop2h 48m
United Airlines
Deal found 7/21![United Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/1411:19 am
ORD
- JAX
1 stop5h 11m
Delta
Mon 10/1912:00 pm
JAX
- ORD
1 stop7h 25m
Delta
Deal found 7/20![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 7/19. 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 9/112:05 pm
STL
- JAX
Nonstop2h 00m
Southwest
Wed 9/236:15 am
JAX
- STL
Nonstop2h 10m
Southwest
Deal found 7/19![Southwest logo]()
$253
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/2712:56 pm
ORD
- JAX
1 stop6h 58m
United Airlines
Tue 9/14:45 pm
JAX
- ORD
Nonstop2h 48m
United Airlines
Deal found 7/21![United Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 7/18. 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.
Thu 8/136:00 am
MLI
- JAX
1 stop4h 44m
Delta
Mon 8/175:34 pm
JAX
- MLI
1 stop5h 45m
Delta
Deal found 7/18![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/266:53 am
EVV
- JAX
1 stop4h 03m
American Airlines
Mon 8/311:46 pm
JAX
- EVV
1 stop4h 55m
American Airlines
Deal found 7/22![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/1612:55 pm
ORD
- JAX
1 stop6h 59m
United Airlines
Mon 10/194:58 pm
JAX
- ORD
Nonstop2h 48m
United Airlines
Deal found 7/21![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:09 pm
BMI
- JAX
1 stop4h 45m
Delta
Sun 8/98:05 pm
JAX
- BMI
1 stop4h 11m
Delta
Deal found 7/18![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/202:05 pm
STL
- JAX
Nonstop2h 00m
Southwest
Thu 8/272:00 pm
JAX
- STL
Nonstop2h 10m
Southwest
Deal found 7/20![Southwest logo]()
$269
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:58 pm
EVV
- JAX
1 stop5h 48m
American Airlines
Sun 9/61:46 pm
JAX
- EVV
1 stop5h 05m
American Airlines
Deal found 7/19![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/1412:55 pm
ORD
- JAX
1 stop6h 59m
United Airlines
Mon 10/194:58 pm
JAX
- ORD
Nonstop2h 48m
United Airlines
Deal found 7/21![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 7/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:20 am
STL
- JAX
Nonstop2h 00m
Southwest
Sat 8/226:40 am
JAX
- STL
Nonstop2h 05m
Southwest
Deal found 7/18![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:09 pm
MLI
- JAX
1 stop5h 46m
Delta
Mon 9/76:00 am
JAX
- MLI
1 stop5h 25m
Delta
Deal found 7/22![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/235:15 am
EVV
- JAX
1 stop6h 40m
American Airlines
Sun 8/306:30 am
JAX
- EVV
1 stop6h 51m
American Airlines
Deal found 7/22![American Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 7/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 pm
ORD
- JAX
Nonstop2h 42m
United Airlines
Tue 8/257:30 am
JAX
- ORD
Nonstop2h 48m
United Airlines
Deal found 7/19![United Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/25:09 pm
MLI
- JAX
1 stop5h 49m
Delta
Mon 10/57:15 am
JAX
- MLI
1 stop3h 58m
Delta
Deal found 7/21![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/2010:20 am
STL
- JAX
Nonstop2h 00m
Southwest
Sat 10/244:55 pm
JAX
- STL
1 stop4h 25m
Southwest
Deal found 7/20![Southwest logo]()
$274
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:53 am
EVV
- JAX
1 stop4h 03m
American Airlines
Sun 9/611:50 am
JAX
- EVV
1 stop5h 10m
American Airlines
Deal found 7/19![American Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Mon 8/1712:56 pm
ORD
- JAX
1 stop6h 58m
United Airlines
Sat 8/227:30 am
JAX
- ORD
Nonstop2h 48m
United Airlines
Deal found 7/18![United Airlines logo]()
$301
Last-minute flights from Illinois to JacksonvilleDiscover last-minute flight deals from Illinois to Jacksonville. Data last updated July 22, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Jacksonville. Data last updated July 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Sat 8/14:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Thu 8/66:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 7/18![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 8/66:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Sun 8/96:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 7/18![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 8/66:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Mon 8/106:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 7/17![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Fri 8/74:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Fri 8/146:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 7/19![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Sun 8/96:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Thu 8/136:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 7/19![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Sun 8/96:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Wed 8/126:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 7/17![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/137:05 am
ORD
- JAX
1 stop9h 29m
Frontier
Mon 8/176:29 pm
JAX
- ORD
1 stop14h 24m
Frontier
Deal found 7/21![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Sat 8/154:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Sat 8/227:05 pm
JAX
- STL
1 stop23h 17m
Frontier
Deal found 7/18![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/187:10 am
ORD
- JAX
1 stop10h 00m
Frontier
Tue 8/257:05 pm
JAX
- ORD
1 stop13h 48m
Frontier
Deal found 7/19![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/206:17 pm
STL
- JAX
1 stop22h 53m
Frontier
Thu 8/277:05 pm
JAX
- STL
1 stop23h 17m
Frontier
Deal found 7/20![Frontier logo]()
$123
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/292:30 pm
ORD
- JAX
1 stop5h 24m
United Airlines
Tue 9/111:51 am
JAX
- ORD
1 stop6h 08m
United Airlines
Deal found 7/21![United Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 8/316:17 pm
STL
- JAX
1 stop22h 53m
Frontier
Sat 9/57:05 pm
JAX
- STL
1 stop23h 17m
Frontier
Deal found 7/17![Frontier logo]()
$124
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 July 22, 2026.
Search for one-way flight options from Illinois to Jacksonville. Find affordable one-way fares based on user searches. Data last updated July 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/1910:35 am
STL
- JAX
1 stop6h 16m
Frontier
Deal found 7/22![Frontier logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/216:17 pm
STL
- JAX
1 stop22h 53m
Frontier
Deal found 7/22![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/246:17 pm
STL
- JAX
1 stop22h 53m
Frontier
Deal found 7/22![Frontier logo]()
$58
This Trip.com deal was found by Cheapflights users on 7/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:35 am
STL
- JAX
1 stop6h 16m
Frontier
Deal found 7/18![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/2110:35 am
STL
- JAX
1 stop6h 16m
Frontier
Deal found 7/21![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 8/166:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Deal found 7/18![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/174:57 pm
STL
- JAX
1 stop24h 13m
Frontier
Deal found 7/20![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/1610:35 am
STL
- JAX
1 stop6h 16m
Frontier
Deal found 7/20![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/46:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Deal found 7/20![Frontier logo]()
$79
This Trip.com deal was found by Cheapflights users on 7/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:35 am
STL
- JAX
1 stop6h 16m
Frontier
Deal found 7/17![Frontier logo]()
$96
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/123:50 pm
ORD
- JAX
Nonstop2h 35m
United Airlines
Deal found 7/22![United Airlines logo]()
$99
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/195:55 pm
MDW
- JAX
Nonstop2h 20m
Southwest
Deal found 7/20![Southwest 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 July 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Kiwi.com) |
One-way from | $53 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $382 |
Good round-trip deal | $159 or less |
Good one-way deal | $187 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 2,558,603 searches. Data last updated July 22, 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
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Sat 8/29
2:30 pm-8:54 pm
1 stop5h 24m
Jacksonville
Tue 9/1
11:51 am-4:59 pm
1 stop6h 08m
$217
ChicagoJacksonville
MDW - JAX
MDWJAX
Chicago Midway
Wed 8/19
11:10 am-5:55 pm
1 stop5h 45m
Jacksonville
Sat 8/22
8:00 am-5:05 pm
2 stops10h 05m
$222
ChicagoJacksonville
MDW - JAX
MDWJAX
Chicago Midway
Sat 8/29
6:45 am-6:00 pm
2 stops10h 15m
Jacksonville
Tue 9/1
6:50 pm-10:20 pm
1 stop4h 30m
$222
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Tue 10/13
6:45 am-11:53 am
1 stop4h 08m
Jacksonville
Sat 10/17
5:33 pm-9:00 pm
1 stop4h 27m
$227
ChicagoJacksonville
MDW - JAX
MDWJAX
Chicago Midway
Thu 8/13
5:30 am-3:15 pm
2 stops8h 45m
Jacksonville
Thu 8/20
7:50 am-3:25 pm
2 stops8h 35m
$227
St. LouisJacksonville
STL - JAX
STLJAX
Lambert-St Louis
Sat 10/17
6:00 am-2:35 pm
1 stop7h 35m
Jacksonville
Wed 10/21
6:10 am-7:25 am
Nonstop2h 15m
$247
St. LouisJacksonville
STL - JAX
STLJAX
Lambert-St Louis
Thu 8/13
6:05 am-1:25 pm
1 stop6h 20m
Jacksonville
Mon 8/17
2:00 pm-3:10 pm
Nonstop2h 10m
$247
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Sat 9/5
12:56 pm-8:54 pm
1 stop6h 58m
Jacksonville
Mon 9/7
7:30 am-9:18 am
Nonstop2h 48m
$252
St. LouisJacksonville
STL - JAX
STLJAX
Lambert-St Louis
Fri 9/11
2:05 pm-5:05 pm
Nonstop2h 00m
Jacksonville
Wed 9/23
6:15 am-7:25 am
Nonstop2h 10m
$253
St. LouisJacksonville
STL - JAX
STLJAX
Lambert-St Louis
Thu 8/20
2:05 pm-5:05 pm
Nonstop2h 00m
Jacksonville
Thu 8/27
2:00 pm-3:10 pm
Nonstop2h 10m
$269
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.
ORD-JAX
MDW-JAX
BMI-JAX
STL-JAX
MLI-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
ORD-JAX
MDW-JAX
BMI-JAX
STL-JAX
What is the cheapest month to book a flight from Illinois to Jacksonville?
Currently, August is the cheapest month in which you can book a flight from Illinois to Jacksonville (average of $292). Flying from Illinois to Jacksonville in March 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 July 22, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 29% 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 July 22, 2026.
The most flights from USIL to JAX are scheduled on a Monday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Illinois to Jacksonville?
How far ahead should I book a flight from Illinois to Jacksonville?
The best time to book flights from Illinois to Jacksonville is 27 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. Sunday 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 July 22, 2026.
Illinois and Jacksonville flights
Browse other Illinois and Jacksonville flight options. Last updated on July 22, 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 2,558,603 searches. Data last updated July 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$395 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$166 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$128 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$184 | Average$431 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$213 | Average$369 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$337 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$252 | Average$384 | FlexibilityNo cancel fee | On-time69% |