$82+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAX
Jul 8 — Jul 151
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 June 8, 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 June 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/254:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Fri 7/316:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/5![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Thu 6/256:31 pm
STL
- JAX
1 stop22h 02m
Frontier
Thu 7/26:28 pm
JAX
- STL
1 stop15h 24m
Frontier
Deal found 6/4![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Thu 9/36:33 pm
STL
- JAX
1 stop22h 04m
Frontier
Tue 9/86:28 pm
JAX
- STL
1 stop16h 12m
Frontier
Deal found 6/4![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/306:31 pm
STL
- JAX
1 stop22h 02m
Frontier
Fri 7/36:28 pm
JAX
- STL
1 stop15h 24m
Frontier
Deal found 6/6![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Thu 7/96:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Mon 7/136:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 6/4![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/294:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Sun 8/26:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/6![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/54:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Mon 8/106:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 6/3![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Sun 7/56:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Sun 7/126:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/4![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:06 pm
STL
- JAX
1 stop23h 27m
Frontier
Wed 7/156:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 6/7![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/195:33 pm
STL
- JAX
1 stop23h 04m
Frontier
Tue 8/256:28 pm
JAX
- STL
1 stop15h 24m
Frontier
Deal found 6/3![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/134:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Mon 7/206:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 6/5![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Sat 7/254:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Tue 7/286:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/4![Frontier logo]()
$187
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 June 8, 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 June 8, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 8/48:02 am
ORD
- JAX
1 stop5h 59m
Delta
Tue 8/1111:24 am
JAX
- ORD
1 stop6h 27m
Delta
Deal found 6/3![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:30 pm
ORD
- JAX
1 stop5h 24m
United Airlines
Wed 9/911:51 am
JAX
- ORD
1 stop6h 09m
United Airlines
Deal found 6/5![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 6/4. 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.
Wed 8/52:45 pm
STL
- JAX
1 stop3h 55m
Southwest
Sun 8/96:25 am
JAX
- STL
Nonstop2h 10m
Southwest
Deal found 6/4![Southwest logo]()
$306
This American Airlines deal was found by Cheapflights users on 6/3. 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 9/116:18 am
PIA
- JAX
1 stop4h 46m
American Airlines
Wed 9/161:00 pm
JAX
- PIA
1 stop4h 11m
American Airlines
Deal found 6/3![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:30 am
ORD
- JAX
1 stop5h 30m
Delta
Tue 7/212:50 pm
JAX
- ORD
1 stop4h 55m
Delta
Deal found 6/4![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:05 am
ORD
- JAX
Nonstop2h 46m
United Airlines
Tue 7/2111:56 am
JAX
- ORD
1 stop6h 06m
United Airlines
Deal found 6/3![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 6/4. 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.
Sat 7/256:45 pm
STL
- JAX
Nonstop2h 05m
Southwest
Tue 7/288:15 pm
JAX
- STL
1 stop3h 50m
Southwest
Deal found 6/4![Southwest logo]()
$306
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:05 am
MDW
- JAX
1 stop4h 39m
Delta
Wed 8/196:59 pm
JAX
- MDW
1 stop4h 37m
Delta
Deal found 6/8![Delta logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 7/162:05 pm
PAH
- JAX
1 stop8h 15m
United Airlines
Sun 7/197:20 am
JAX
- PAH
1 stop6h 32m
United Airlines
Deal found 6/4![United Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:00 am
BMI
- JAX
2 stops11h 14m
American Airlines
Tue 7/75:58 pm
JAX
- BMI
1 stop7h 37m
American Airlines
Deal found 6/7![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 9/16:40 am
ORD
- JAX
1 stop5h 44m
Delta
Thu 9/312:02 pm
JAX
- ORD
1 stop7h 26m
Delta
Deal found 6/5![Delta logo]()
$304
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/182:05 pm
PAH
- JAX
1 stop8h 15m
United Airlines
Sun 7/267:20 am
JAX
- PAH
1 stop6h 32m
United Airlines
Deal found 6/6![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:16 pm
ORD
- JAX
Nonstop2h 36m
American Airlines
Sat 7/257:12 am
JAX
- ORD
Nonstop2h 48m
American Airlines
Deal found 6/8![American Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 6/4. 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 7/107:20 pm
MDW
- JAX
Nonstop2h 20m
Southwest
Fri 7/177:15 pm
JAX
- MDW
Nonstop2h 30m
Southwest
Deal found 6/4![Southwest logo]()
$341
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:30 am
BMI
- JAX
1 stop4h 30m
Delta
Fri 7/107:02 pm
JAX
- BMI
1 stop4h 46m
Delta
Deal found 6/4![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:55 pm
STL
- JAX
Nonstop2h 00m
Southwest
Fri 8/212:00 pm
JAX
- STL
Nonstop2h 10m
Southwest
Deal found 6/8![Southwest logo]()
$341
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:31 pm
MLI
- JAX
1 stop6h 28m
United Airlines
Sat 8/17:20 am
JAX
- MLI
1 stop6h 16m
United Airlines
Deal found 6/8![United Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:05 pm
MLI
- JAX
1 stop6h 04m
Delta
Wed 7/157:02 pm
JAX
- MLI
1 stop4h 29m
Delta
Deal found 6/7![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 9/45:15 am
MDW
- JAX
1 stop6h 05m
Southwest
Mon 9/77:50 am
JAX
- MDW
2 stops8h 35m
Southwest
Deal found 6/5![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/252:33 pm
PIA
- JAX
1 stop6h 26m
United Airlines
Thu 7/27:20 am
JAX
- PIA
1 stop6h 18m
United Airlines
Deal found 6/5![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/75:00 am
BMI
- JAX
2 stops11h 14m
American Airlines
Wed 7/155:58 pm
JAX
- BMI
1 stop7h 37m
American Airlines
Deal found 6/5![American Airlines logo]()
$393
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/305:40 am
STL
- JAX
2 stops7h 35m
Southwest
Fri 7/311:00 am
JAX
- STL
2 stops8h 30m
Southwest
Deal found 6/6![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/76:00 am
BMI
- JAX
1 stop6h 45m
Delta
Wed 7/158:17 am
JAX
- BMI
1 stop4h 06m
Delta
Deal found 6/5![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/132:51 pm
SPI
- JAX
1 stop6h 44m
American Airlines
Mon 8/176:16 pm
JAX
- SPI
1 stop6h 51m
American Airlines
Deal found 6/6![American Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/196:00 am
STL
- JAX
1 stop7h 04m
United Airlines
Tue 8/2511:51 am
JAX
- STL
2 stops11h 09m
United Airlines
Deal found 6/5![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 6/4. 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.
Wed 7/14:00 pm
STL
- JAX
1 stop4h 40m
Southwest
Sun 7/56:05 am
JAX
- STL
Nonstop2h 10m
Southwest
Deal found 6/4![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 6/3. 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.
Wed 11/44:00 pm
BMI
- JAX
1 stop5h 43m
Delta
Mon 11/96:46 pm
JAX
- BMI
1 stop4h 37m
Delta
Deal found 6/3![Delta logo]()
$324
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 10/222:57 pm
SPI
- JAX
1 stop6h 11m
American Airlines
Mon 10/267:21 am
JAX
- SPI
1 stop6h 22m
American Airlines
Deal found 6/5![American Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/66:19 pm
ORD
- JAX
Nonstop2h 40m
United Airlines
Mon 7/134:55 pm
JAX
- ORD
Nonstop2h 53m
United Airlines
Deal found 6/6![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 6/3. 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.
Fri 7/38:40 am
MDW
- JAX
Nonstop2h 20m
Southwest
Mon 7/68:55 pm
JAX
- MDW
1 stop4h 15m
Southwest
Deal found 6/3![Southwest logo]()
$351
Last-minute flights from Illinois to JacksonvilleDiscover last-minute flight deals from Illinois to Jacksonville. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Jacksonville. Data last updated June 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Thu 6/256:31 pm
STL
- JAX
1 stop22h 02m
Frontier
Thu 7/26:28 pm
JAX
- STL
1 stop15h 24m
Frontier
Deal found 6/4![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:31 pm
STL
- JAX
1 stop22h 02m
Frontier
Sun 7/56:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/7![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/306:31 pm
STL
- JAX
1 stop22h 02m
Frontier
Fri 7/36:28 pm
JAX
- STL
1 stop15h 24m
Frontier
Deal found 6/6![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:06 pm
STL
- JAX
1 stop23h 27m
Frontier
Wed 7/156:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 6/7![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/15:06 pm
STL
- JAX
1 stop23h 27m
Frontier
Sun 7/56:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/3![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:06 pm
STL
- JAX
1 stop23h 27m
Frontier
Sun 7/56:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/7![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Sun 7/56:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Sun 7/126:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/4![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Thu 7/96:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Mon 7/136:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 6/4![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/134:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Mon 7/206:29 pm
JAX
- STL
1 stop24h 08m
Frontier
Deal found 6/5![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/254:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Fri 7/316:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/5![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Sat 7/254:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Tue 7/286:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/4![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/294:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Sun 8/26:29 pm
JAX
- STL
1 stop15h 28m
Frontier
Deal found 6/6![Frontier logo]()
$171
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 June 8, 2026.
Search for one-way flight options from Illinois to Jacksonville. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Trip.com deal was found by Cheapflights users on 6/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:55 am
ORD
- JAX
1 stop9h 42m
Frontier
Deal found 6/3![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 6/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
MDW
- JAX
1 stop10h 37m
Frontier
Deal found 6/3![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/216:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Deal found 6/5![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Sat 8/84:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Deal found 6/4![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/86:05 am
MDW
- JAX
1 stop10h 29m
Frontier
Deal found 6/3![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Deal found 6/7![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Sun 8/96:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Deal found 6/4![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Thu 7/166:34 pm
STL
- JAX
1 stop22h 00m
Frontier
Deal found 6/4![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 8/47:05 am
ORD
- JAX
1 stop9h 29m
Frontier
Deal found 6/4![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 8/412:11 pm
MDW
- JAX
1 stop28h 23m
Frontier
Deal found 6/4![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/204:57 pm
STL
- JAX
1 stop23h 37m
Frontier
Deal found 6/5![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 6/306:31 pm
STL
- JAX
1 stop22h 02m
Frontier
Deal found 6/4![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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Kiwi.com) |
One-way from | $82 (Trip.com) |
Popular in | December |
Cheapest in | August |
Average price | $350 |
Good round-trip deal | $290 or less |
Good one-way deal | $181 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 June 8, 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
Tue 8/4
8:02 am-3:01 pm
1 stop5h 59m
Jacksonville
Tue 8/11
11:24 am-4:51 pm
1 stop6h 27m
$237
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Wed 9/2
2:30 pm-8:54 pm
1 stop5h 24m
Jacksonville
Wed 9/9
11:51 am-5:00 pm
1 stop6h 09m
$237
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Tue 7/14
5:30 am-12:00 pm
1 stop5h 30m
Jacksonville
Tue 7/21
2:50 pm-6:45 pm
1 stop4h 55m
$237
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Wed 7/15
7:05 am-10:51 am
Nonstop2h 46m
Jacksonville
Tue 7/21
11:56 am-5:02 pm
1 stop6h 06m
$261
ChicagoJacksonville
MDW - JAX
MDWJAX
Chicago Midway
Fri 8/14
6:05 am-11:44 am
1 stop4h 39m
Jacksonville
Wed 8/19
6:59 pm-10:36 pm
1 stop4h 37m
$283
PaducahJacksonville
PAH - JAX
PAHJAX
Paducah Barkley Regional
Thu 7/16
2:05 pm-11:20 pm
1 stop8h 15m
Jacksonville
Sun 7/19
7:20 am-12:52 pm
1 stop6h 32m
$294
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Tue 9/1
6:40 am-1:24 pm
1 stop5h 44m
Jacksonville
Thu 9/3
12:02 pm-6:28 pm
1 stop7h 26m
$304
PaducahJacksonville
PAH - JAX
PAHJAX
Paducah Barkley Regional
Sat 7/18
2:05 pm-11:20 pm
1 stop8h 15m
Jacksonville
Sun 7/26
7:20 am-12:52 pm
1 stop6h 32m
$304
St. LouisJacksonville
STL - JAX
STLJAX
Lambert-St Louis
Wed 8/5
2:45 pm-7:40 pm
1 stop3h 55m
Jacksonville
Sun 8/9
6:25 am-7:35 am
Nonstop2h 10m
$306
St. LouisJacksonville
STL - JAX
STLJAX
Lambert-St Louis
Sat 7/25
6:45 pm-9:50 pm
Nonstop2h 05m
Jacksonville
Tue 7/28
8:15 pm-11:05 pm
1 stop3h 50m
$306
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
MDW-JAX
MLI-JAX
SPI-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
MDW-JAX
MLI-JAX
What is the cheapest month to book a flight from Illinois to Jacksonville?
Currently, October is the cheapest month in which you can book a flight from Illinois to Jacksonville (average of $83). Flying from Illinois to Jacksonville in March is currently the most expensive (average of $216). 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 June 8, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 28% 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 June 8, 2026.
The most flights from USIL to JAX are scheduled on a Friday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 37 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 June 8, 2026.
Illinois and Jacksonville flights
Browse other Illinois and Jacksonville flight options. Last updated on June 8, 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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$156 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$128 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$183 | Average$431 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$203 | Average$352 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$333 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$247 | Average$376 | FlexibilityNo cancel fee | On-time69% |