HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$79+ Cheap flights from Jacksonville (JAX) 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ORD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 July 3, 2025.

Round-trip from

$157
(Southwest)

One-way from

$79
(Southwest)

Popular in

December

Cheapest in

September

Average price

$357

Good round-trip deal

$138 or less

Good one-way deal

$179 or less
From Jacksonville to Illinois
Search Deals
One-way flight from Jacksonville to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Jacksonville to Illinois.
Search Deals
Price to beat on a one-way flight from Jacksonville to Illinois.
Search Deals

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 3, 2025.

This Southwest deal was found by Cheapflights users on 7/2. 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 7/248:30 pmJAX - STL
Nonstop2h 15mSouthwest
Sun 7/278:40 pmSTL - JAX
Nonstop2h 00mSouthwest
Deal found 7/2$157
This Delta deal was found by Cheapflights users on 7/2. 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 7/245:10 amJAX - STL
1 stop5h 31mDelta
Sun 7/277:11 pmSTL - JAX
1 stop4h 44mDelta
Deal found 7/2$177
This American Airlines deal was found by Cheapflights users on 7/1. 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 7/221:55 pmJAX - STL
1 stop6h 19mAmerican Airlines
Thu 7/314:28 pmSTL - JAX
1 stop6h 56mAmerican Airlines
Deal found 7/1$187
This Southwest deal was found by Cheapflights users on 7/2. 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 7/304:20 pmJAX - MDW
Nonstop2h 25mSouthwest
Tue 8/51:00 pmMDW - JAX
2 stops6h 40mSouthwest
Deal found 7/2$196
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/168:00 amJAX - ORD
Nonstop2h 45mUnited Airlines
Wed 7/166:26 pmORD - JAX
Nonstop2h 34mUnited Airlines
Deal found 7/2$197
This FlightHub deal was found by Cheapflights users on 7/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:49 pmJAX - ORD
1 stop5h 33mFrontier
Sun 8/35:01 amORD - JAX
1 stop12h 53mFrontier
Deal found 7/3$198
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 8/303:31 pmJAX - ORD
1 stop7h 04mDelta
Tue 9/25:45 amORD - JAX
1 stop4h 48mDelta
Deal found 7/3$200
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 8/25:36 pmJAX - MDW
1 stop5h 06mDelta
Wed 8/66:00 amMDW - JAX
1 stop6h 29mDelta
Deal found 7/3$201
This Southwest deal was found by Cheapflights users on 7/3. 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.
Thu 9/185:35 amJAX - ORD
2 stops10h 45mSouthwest
Sat 9/201:30 pmORD - JAX
1 stop5h 25mSouthwest
Deal found 7/3$206
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 8/3012:34 pmJAX - ORD
Nonstop2h 39mAmerican Airlines
Tue 9/27:35 amORD - JAX
1 stop5h 30mAmerican Airlines
Deal found 7/3$215
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:02 pmJAX - MDW
1 stop6h 18mFrontier
Sun 10/196:15 amMDW - JAX
1 stop8h 43mFrontier
Deal found 7/2$216
This American Airlines deal was found by Cheapflights users on 7/2. 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 9/1011:17 amJAX - PIA
1 stop6h 21mAmerican Airlines
Fri 9/196:54 amPIA - JAX
1 stop8h 01mAmerican Airlines
Deal found 7/2$249

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 3, 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

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 7/24

8:30 pm-9:45 pm

Nonstop2h 15m

Lambert-St Louis

Sun 7/27

8:40 pm-11:40 pm

Nonstop2h 00m

$157

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 7/24

5:10 am-9:41 am

1 stop5h 31m

Lambert-St Louis

Sun 7/27

7:11 pm-12:55 am

1 stop4h 44m

$177

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Tue 7/22

1:55 pm-7:14 pm

1 stop6h 19m

Lambert-St Louis

Thu 7/31

4:28 pm-12:24 am

1 stop6h 56m

$187

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Wed 7/30

4:20 pm-5:45 pm

Nonstop2h 25m

Chicago Midway

Tue 8/5

1:00 pm-8:40 pm

2 stops6h 40m

$196

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Wed 7/16

8:00 am-9:45 am

Nonstop2h 45m

Chicago O'Hare Intl

Wed 7/16

6:26 pm-10:00 pm

Nonstop2h 34m

$197

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Thu 7/31

7:49 pm-12:22 am

1 stop5h 33m

Chicago O'Hare Intl

Sun 8/3

5:01 am-6:54 pm

1 stop12h 53m

$198

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Sat 8/30

3:31 pm-9:35 pm

1 stop7h 04m

Chicago O'Hare Intl

Tue 9/2

5:45 am-11:33 am

1 stop4h 48m

$200

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Sat 8/2

5:36 pm-9:42 pm

1 stop5h 06m

Chicago Midway

Wed 8/6

6:00 am-1:29 pm

1 stop6h 29m

$201

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Thu 9/18

5:35 am-3:20 pm

2 stops10h 45m

Chicago O'Hare Intl

Sat 9/20

1:30 pm-7:55 pm

1 stop5h 25m

$206

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Sat 8/30

12:34 pm-2:13 pm

Nonstop2h 39m

Chicago O'Hare Intl

Tue 9/2

7:35 am-2:05 pm

1 stop5h 30m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 38 results
1
2
3
4

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 to Illinois?

Currently, August is the cheapest month in which you can book a flight from Jacksonville to Illinois (average of $245). Flying from Jacksonville 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 JAX 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 3, 2025.

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

Weekly flight availability from Jacksonville to Illinois

Explore weekly flight availability from Jacksonville to Illinois. 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 3, 2025.

The most flights from JAX to USIL are scheduled on a Thursday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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 3, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Jacksonville to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,916 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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?

    Most people fly from Jacksonville (JAX) if they book a flight from Jacksonville to Illinois. Jacksonville is conveniently located just 11.2 mi from Jacksonville’s city center.

  • What are the cheapest airlines to fly from Jacksonville to Illinois one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $79. Delta flights start at $89 while deals on United Airlines start at $109 one-way.

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

    The most popular flight routes from Jacksonville to Illinois are Jacksonville - Chicago O'Hare Intl, Jacksonville - Chicago Midway and Jacksonville - Lambert-St Louis.

  • What are the most reliable airlines from Jacksonville to Illinois?

    Before booking your flight to Illinois from Jacksonville, check out the most reliable airlines to get you to your destination on time: Republic Airways (100%), Envoy Air (90%), Alaska Airlines( 88%).

  • What are the cheapest flights from Jacksonville to Illinois?

    Looking for the cheapest flight from Jacksonville to Illinois? While on average our users pay $1,379, our data indicates the cheapest price to be $134. The most popular route (Jacksonville - Chicago O'Hare Intl), is priced around $181.

  • 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 to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Jacksonville to Illinois (average of $245). Flying from Jacksonville 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Jacksonville to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Fort Lauderdale to LaGuardia flights
Miami to John F Kennedy Intl flights
Miami to Newark flights
Orlando to John F Kennedy Intl flights
Fort Lauderdale to Newark flights
Miami to LaGuardia flights
Fort Lauderdale to John F Kennedy Intl flights
Orlando to Newark flights
Tampa to Newark flights
Orlando to Las Vegas flights
Tampa to LaGuardia flights
Orlando to LaGuardia flights
Orlando to Dallas/Fort Worth flights
Miami to Los Angeles flights
Tampa to John F Kennedy Intl flights
Fort Lauderdale to Los Angeles flights
West Palm Beach to John F Kennedy Intl flights
Orlando to Boston flights
Orlando to Seattle flights
Tampa to Seattle flights
Fort Lauderdale to Las Vegas flights
Tampa to O'Hare Intl flights
Orlando to Los Angeles flights
Tampa to Las Vegas flights
Miami to Seattle flights
Miami to O'Hare Intl flights
Orlando to Dulles Intl flights
Miami to Las Vegas flights
Orlando to Denver flights
Tampa to Boston flights
Tampa to Denver flights
Tampa to San Francisco flights
Fort Lauderdale to O'Hare Intl flights
Miami to Denver flights
Fort Lauderdale to Atlanta flights
Fort Lauderdale to Philadelphia flights
Miami to Atlanta flights
Orlando to O'Hare Intl flights
Orlando to Philadelphia flights
Tampa to Dulles Intl flights
West Palm Beach to Newark flights
Tampa to Sky Harbor Intl flights
Tampa to Los Angeles flights
Fort Lauderdale to Boston flights
West Palm Beach to LaGuardia flights
Fort Lauderdale to Dallas/Fort Worth flights
Tampa to Midway flights
Fort Lauderdale to Seattle flights
Miami to Dulles Intl flights
Tampa to Philadelphia flights

Top 6 airlines flying from Jacksonville to Illinois

Discover the top 6 airlines 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$123FlexibilityNo cancel feeOn-time88%
FrontierCheapest$140Average$275FlexibilityNo cancel feeOn-time62%
DeltaCheapest$155Average$446FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$208Average$362FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$221Average$396FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$267Average$399FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.