$403+ Cheap flights from Jacksonville, NC (OAJ) to Illinois
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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — ORD
Oct 22 — Oct 291
Round-trip
1 adult, Economy
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Find cheap flights from Jacksonville to Illinois with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Jacksonville to IllinoisExplore the most affordable flight options available from Jacksonville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
Explore the most affordable flight options available from Jacksonville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:11 pm -
1 stop4h 19m
Sun 11/228:05 am -
1 stop5h 17m
Deal found 9/20![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:35 am -
1 stop5h 30m
Tue 10/206:29 am -
1 stop5h 55m
Deal found 9/20![American Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 9/20. 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.
Thu 10/156:33 pm -
1 stop6h 24m
Tue 10/207:00 am -
2 stops9h 53m
Deal found 9/20![Delta logo]()
$458
This American Airlines deal was found by Cheapflights users on 9/22. 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 12/166:04 am -
2 stops11h 24m
Sun 12/204:28 pm -
1 stop4h 55m
Deal found 9/22![American Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 9/21. 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 11/202:26 pm -
1 stop7h 23m
Sat 11/285:30 am -
1 stop4h 56m
Deal found 9/21![Delta logo]()
$463
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/66:03 am -
1 stop7h 19m
Sat 10/109:02 am -
1 stop6h 29m
Deal found 9/21![American Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 9/21. 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 10/612:00 pm -
2 stops9h 43m
Sat 10/103:15 pm -
1 stop6h 07m
Deal found 9/21![Delta logo]()
$510
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/26:06 am -
1 stop5h 39m
Tue 10/66:29 am -
1 stop5h 55m
Deal found 9/17![American Airlines logo]()
$557
This Delta deal was found by Cheapflights users on 9/17. 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 10/26:00 am -
1 stop5h 19m
Tue 10/67:00 am -
2 stops9h 53m
Deal found 9/17![Delta logo]()
$562
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:20 pm -
1 stop5h 39m
Sun 9/276:45 am -
1 stop6h 39m
Deal found 9/18![American Airlines logo]()
$595
Best flights from Jacksonville to IllinoisDiscover carefully curated flight deals from Jacksonville to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from Jacksonville to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:35 am -
1 stop5h 30m
Tue 10/206:29 am -
1 stop5h 55m
Deal found 9/20![American Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 9/20. 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.
Thu 10/156:33 pm -
1 stop6h 24m
Tue 10/207:00 am -
2 stops9h 53m
Deal found 9/20![Delta logo]()
$458
This American Airlines deal was found by Cheapflights users on 9/22. 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 12/166:04 am -
2 stops11h 24m
Sun 12/204:28 pm -
1 stop4h 55m
Deal found 9/22![American Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 9/21. 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 11/202:26 pm -
1 stop7h 23m
Sat 11/285:30 am -
1 stop4h 56m
Deal found 9/21![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 9/21. 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 10/612:00 pm -
2 stops9h 43m
Sat 10/103:15 pm -
1 stop6h 07m
Deal found 9/21![Delta logo]()
$510
This Delta deal was found by Cheapflights users on 9/17. 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 10/26:00 am -
1 stop5h 19m
Tue 10/67:00 am -
2 stops9h 53m
Deal found 9/17![Delta logo]()
$562
This Delta deal was found by Cheapflights users on 9/21. 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.
Thu 10/812:00 pm -
1 stop5h 58m
Mon 10/126:30 am -
1 stop6h 11m
Deal found 9/21![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 9/20. 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.
Mon 10/512:00 pm -
2 stops11h 18m
Fri 10/95:27 am -
1 stop4h 42m
Deal found 9/20![Delta logo]()
$810
This Delta deal was found by Cheapflights users on 9/17. 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 10/96:00 am -
2 stops7h 41m
Mon 10/125:27 am -
1 stop4h 42m
Deal found 9/17![Delta logo]()
$814
Last-minute flights from Jacksonville to IllinoisDiscover last-minute flight deals from Jacksonville to Illinois. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Illinois. Data last updated September 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:20 pm -
1 stop5h 39m
Sun 9/276:45 am -
1 stop6h 39m
Deal found 9/18![American Airlines logo]()
$595
This Delta deal was found by Cheapflights users on 9/18. 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 9/242:26 pm -
2 stops8h 52m
Sun 9/273:40 pm -
1 stop5h 42m
Deal found 9/18![Delta logo]()
$620
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/26:06 am -
1 stop5h 39m
Tue 10/66:29 am -
1 stop5h 55m
Deal found 9/17![American Airlines logo]()
$557
This Delta deal was found by Cheapflights users on 9/17. 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 10/26:00 am -
1 stop5h 19m
Tue 10/67:00 am -
2 stops9h 53m
Deal found 9/17![Delta logo]()
$562
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/66:03 am -
1 stop7h 19m
Sat 10/109:02 am -
1 stop6h 29m
Deal found 9/21![American Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 9/21. 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 10/612:00 pm -
2 stops9h 43m
Sat 10/103:15 pm -
1 stop6h 07m
Deal found 9/21![Delta logo]()
$510
This Delta deal was found by Cheapflights users on 9/21. 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.
Thu 10/812:00 pm -
1 stop5h 58m
Mon 10/126:30 am -
1 stop6h 11m
Deal found 9/21![Delta logo]()
$648
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:35 am -
1 stop5h 30m
Tue 10/206:29 am -
1 stop5h 55m
Deal found 9/20![American Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 9/20. 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.
Thu 10/156:33 pm -
1 stop6h 24m
Tue 10/207:00 am -
2 stops9h 53m
Deal found 9/20![Delta logo]()
$458
One-way flights from Jacksonville to IllinoisSearch for one-way flight options from Jacksonville to Illinois. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
Search for one-way flight options from Jacksonville to Illinois. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:20 pm -
1 stop5h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 9/20. 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.
Sun 9/276:34 pm -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$455
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:57 am -
2 stops6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$678
Find flight deals from Jacksonville to Illinois
Keep the following information in mind while searching for Jacksonville to Illinois flight deals. Data was last updated September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $443 (American Airlines) |
One-way from | $403 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Jacksonville to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 22, 2026.
Use the filters below to find and compare flights from Jacksonville to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
JacksonvilleChicago
OAJ Jacksonville Albert J Ellis - ORD Chicago O'Hare Intl
OAJORD
Jacksonville Albert J Ellis
Wed 9/30
12:00 pm-4:37 pm
1 stop5h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$403
JacksonvilleChicago
OAJ Jacksonville Albert J Ellis - ORD Chicago O'Hare Intl
OAJORD
Jacksonville Albert J Ellis
Thu 10/15
6:35 am-11:05 am
1 stop5h 30m
Chicago O'Hare Intl
Tue 10/20
6:29 am-1:24 pm
1 stop5h 55m
$448
Quickest round-trip
JacksonvilleChicago
OAJ Jacksonville Albert J Ellis - ORD Chicago O'Hare Intl
OAJORD
Jacksonville Albert J Ellis
Thu 10/1
2:26 pm-6:45 pm
1 stop5h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$455
JacksonvilleChicago
OAJ Jacksonville Albert J Ellis - ORD Chicago O'Hare Intl
OAJORD
Jacksonville Albert J Ellis
Mon 9/28
6:34 pm-11:59 pm
1 stop6h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$455
JacksonvilleChicago
OAJ Jacksonville Albert J Ellis - ORD Chicago O'Hare Intl
OAJORD
Jacksonville Albert J Ellis
Thu 10/15
6:33 pm-11:57 pm
1 stop6h 24m
Chicago O'Hare Intl
Tue 10/20
7:00 am-5:53 pm
2 stops9h 53m
$458
JacksonvilleChicago
OAJ Jacksonville Albert J Ellis - ORD Chicago O'Hare Intl
OAJORD
Jacksonville Albert J Ellis
Mon 9/28
1:52 pm-11:15 pm
2 stops10h 23m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$460
JacksonvilleMoline
OAJ Jacksonville Albert J Ellis - MLI Moline Quad-City
OAJMLI
Jacksonville Albert J Ellis
Wed 12/16
6:04 am-4:28 pm
2 stops11h 24m
Moline Quad-City
Sun 12/20
4:28 pm-10:23 pm
1 stop4h 55m
$460
JacksonvilleChicago
OAJ Jacksonville Albert J Ellis - ORD Chicago O'Hare Intl
OAJORD
Jacksonville Albert J Ellis
Fri 11/20
2:26 pm-8:49 pm
1 stop7h 23m
Chicago O'Hare Intl
Sat 11/28
5:30 am-11:26 am
1 stop4h 56m
$463
JacksonvilleChicago
OAJ Jacksonville Albert J Ellis - ORD Chicago O'Hare Intl
OAJORD
Jacksonville Albert J Ellis
Tue 10/6
12:00 pm-8:43 pm
2 stops9h 43m
Chicago O'Hare Intl
Sat 10/10
3:15 pm-10:22 pm
1 stop6h 07m
$510
JacksonvilleChicago
OAJ Jacksonville Albert J Ellis - ORD Chicago O'Hare Intl
OAJORD
Jacksonville Albert J Ellis
Fri 10/2
6:00 am-10:19 am
1 stop5h 19m
Chicago O'Hare Intl
Tue 10/6
7:00 am-5:53 pm
2 stops9h 53m
$562
Showing 1-10 of 13 resultsSorted by cheapest first
Best time to book a flight from Jacksonville to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Jacksonville with our price prediction graph.
OAJ-ORD
OAJ-MLI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Jacksonville to Illinois
OAJ-USIL
OAJ-ORD
OAJ-MLI
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated September 22, 2026.
Read through reviews of airlines operating flights from Jacksonville to Illinois, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Comfort
7.2
Entertainment
6.8
Food
6.4
Boarding
7.4
Overall
7.0
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Crew
7.9
Comfort
7.2
Entertainment
6.8
Food
6.4
Boarding
7.4
Overall
7.0
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Related info for your journey
Find useful and relevant information for your journey from Jacksonville to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Jacksonville and Illinois flights
Browse other Jacksonville and Illinois flight options. Last updated on September 22, 2026.
Popular flight searches
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Jacksonville to Illinois flights
Consider these flights traveling from Jacksonville to Illinois.
Top airline flying from Jacksonville to Illinois
Discover the top airline that operate flights from Jacksonville to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$397 | Average$532 | FlexibilityNo cancel fee | On-time71% |