Illinois

$297+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — ORD
Aug 5 — Aug 121
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Cheap flight deals from Jacksonville to Illinois

Keep the following information in mind while searching for Jacksonville to Illinois flight deals. Data was last updated July 31, 2025.

Round-trip from

$297
(American Airlines)

Popular in

November

Cheapest in

May

Average price

$448
From Jacksonville Albert J Ellis to Illinois
Highest demand for flights based on searches. 8% potential increase in price ($41 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Jacksonville to Illinois

Cheapest flights from Jacksonville to Illinois
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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:17 pmOAJ - ORD
1 stop4h 42mAmerican Airlines
Sat 8/308:35 amORD - OAJ
1 stop4h 41mAmerican Airlines
Deal found 7/31$297
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:25 pmOAJ - ORD
1 stop6h 28mDelta
Mon 12/87:10 amORD - OAJ
1 stop5h 30mDelta
Deal found 7/31$331
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/164:30 pmOAJ - MDW
1 stop5h 42mDelta
Wed 8/2010:31 amMDW - OAJ
1 stop4h 16mDelta
Deal found 7/31$394
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/16:59 amOAJ - MLI
1 stop16h 09mAmerican Airlines
Mon 8/44:22 pmMLI - OAJ
1 stop4h 43mAmerican Airlines
Deal found 7/29$880

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 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Jacksonville to Illinois that are best for you.

Fly from

Jacksonville

Fly to

Illinois

Route

Depart

Return

Price

JacksonvilleChicago

OAJ - ORD

OAJORD

Jacksonville Albert J Ellis

Wed 8/27

7:17 pm-10:59 pm

1 stop4h 42m

Chicago O'Hare Intl

Sat 8/30

8:35 am-2:16 pm

1 stop4h 41m

$297

JacksonvilleChicago

OAJ - ORD

OAJORD

Jacksonville Albert J Ellis

Thu 12/4

6:25 pm-11:53 pm

1 stop6h 28m

Chicago O'Hare Intl

Mon 12/8

7:10 am-1:40 pm

1 stop5h 30m

$331

JacksonvilleChicago

OAJ - MDW

OAJMDW

Jacksonville Albert J Ellis

Sat 8/16

4:30 pm-9:12 pm

1 stop5h 42m

Chicago Midway

Wed 8/20

10:31 am-3:47 pm

1 stop4h 16m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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.
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

What is the cheapest month to book a flight from Jacksonville, North Carolina to Illinois?

Currently, August is the cheapest month in which you can book a flight from Jacksonville, North Carolina to Illinois (average of $245). Flying from Jacksonville, North Carolina to Illinois in March is currently the most expensive (average of $321). 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 OAJ to IL?

Find hourly flight availability from Jacksonville to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Jacksonville, North Carolina to Illinois as you normally would.

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 July 31, 2025.
Read through reviews of airlines operating flights from Jacksonville to Illinois, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
  • What airport do you fly from for flights from Jacksonville to Illinois?

    Jacksonville Albert J Ellis (OAJ) is the airport you will fly out of if you book a flight from Jacksonville to Illinois. It is only a 11.3 mi journey to Albert J Ellis (OAJ) from Jacksonville’s city center.

  • What are the most popular routes from Jacksonville, North Carolina to Illinois?

  • Can I find deals for flights from Jacksonville to Illinois that include hotel bookings?

    Yes. In addition to deals on Jacksonville to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Jacksonville to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Jacksonville to Illinois.

  • Can I find deals for business class flights from Jacksonville to Illinois?

    Yes. Cheapflights offers flight deals from Jacksonville to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Jacksonville, North Carolina to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Jacksonville, North Carolina to Illinois (average of $245). Flying from Jacksonville, North Carolina to Illinois in March is currently the most expensive (average of $321). 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.

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Alternative routes for Jacksonville to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

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 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$336Average$440FlexibilityNo cancel feeOn-time71%

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