$189+ Cheap flights from Jacksonville, NC (OAJ) to Illinois
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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Jacksonville to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Jacksonville to Illinois
Keep the following information in mind while searching for Jacksonville to Illinois flight deals. Data was last updated junio 18, 2025.
Round-trip from | $339 (Delta) |
|---|---|
One-way from | $189 (American Airlines) |
Popular in | November |
Cheapest in | May |
Average price | $541 |
Find flight deals from Jacksonville to Illinois
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 junio 18, 2025.
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 junio 18, 2025.
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/17. 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.
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/17. 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.
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 junio 18, 2025.
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
Price
JacksonvilleChicago
OAJ - ORD
OAJORD
Jacksonville Albert J Ellis
mar. 7/1
5:50 am-10:09 am
1 stop5h 19m
Chicago O'Hare Intl
sáb. 7/5
5:35 am-11:44 am
1 stop5h 09m
JacksonvilleChicago
OAJ - ORD
OAJORD
Jacksonville Albert J Ellis
vie. 7/25
1:28 pm-7:16 pm
1 stop6h 48m
Chicago O'Hare Intl
dom. 8/10
7:13 am-12:56 pm
1 stop4h 43m
JacksonvilleChicago
OAJ - MDW
OAJMDW
Jacksonville Albert J Ellis
vie. 7/11
11:54 am-6:02 pm
1 stop7h 08m
Chicago Midway
dom. 7/13
6:00 am-11:14 am
1 stop4h 14m
JacksonvilleChicago
OAJ - ORD
OAJORD
Jacksonville Albert J Ellis
vie. 7/4
1:18 pm-5:35 pm
1 stop5h 17m
JacksonvilleBloomington
OAJ - BMI
OAJBMI
Jacksonville Albert J Ellis
lun. 6/30
6:01 pm-11:42 pm
2 stops6h 41m
JacksonvilleChicago
OAJ - ORD
OAJORD
Jacksonville Albert J Ellis
jue. 7/10
7:14 pm-12:09 am
1 stop5h 55m
JacksonvillePeoria
OAJ - PIA
OAJPIA
Jacksonville Albert J Ellis
mar. 7/1
6:01 pm-11:59 pm
1 stop6h 58m
JacksonvilleChicago
OAJ - MDW
OAJMDW
Jacksonville Albert J Ellis
mié. 6/25
3:26 pm-9:45 pm
1 stop7h 19m
JacksonvilleBloomington
OAJ - BMI
OAJBMI
Jacksonville Albert J Ellis
lun. 6/30
11:58 am-3:10 pm
1 stop4h 12m
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.
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 junio 18, 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.
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
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 junio 18, 2025.
To help decide which airline to fly from Jacksonville to Illinois, see what other customers have to say about Delta and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Food
Overall
Comfort
Crew
Boarding
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Overall
Comfort
Crew
Boarding
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Overall
Comfort
Crew
Boarding
Reviews
Kim,May 2025
PIH - SLC
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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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 junio 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$336 | Average$447 | FlexibilityNo cancel fee | On-time71% |