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$110+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ORD
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$219
(Delta)

One-way from

$110
(Delta)

Popular in

December

Cheapest in

September

Average price

$390

Good round-trip deal

$363 or less

Good one-way deal

$183 or less
Provider with most accurate pricing for Jacksonville-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Jacksonville-Chicago (CHI) flights.
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From Jacksonville to Illinois
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One-way flight from Jacksonville to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Jacksonville to Illinois.
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Price to beat on a one-way flight from Jacksonville to Illinois.
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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 April 15, 2025.

This Delta deal was found by Cheapflights users on 4/14. 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 6/137:10 amJAX - STL
1 stop3h 33mDelta
Tue 6/176:00 amSTL - JAX
1 stop7h 20mDelta
Deal found 4/14$219
This American Airlines deal was found by Cheapflights users on 4/15. 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 8/277:05 amJAX - MLI
1 stop4h 48mAmerican Airlines
Sun 8/317:19 amMLI - JAX
1 stop6h 02mAmerican Airlines
Deal found 4/15$225
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/218:00 amJAX - PIA
1 stop7h 01mUnited Airlines
Sun 5/253:53 pmPIA - JAX
1 stop5h 01mUnited Airlines
Deal found 4/15$225
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/215:00 amJAX - PIA
2 stops6h 45mAmerican Airlines
Sun 5/255:00 amPIA - JAX
1 stop7h 21mAmerican Airlines
Deal found 4/15$230
This Delta deal was found by Cheapflights users on 4/15. 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 5/1411:08 amJAX - MLI
1 stop6h 26mDelta
Tue 5/206:00 amMLI - JAX
1 stop6h 16mDelta
Deal found 4/15$251
This Southwest deal was found by Cheapflights users on 4/13. 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 5/227:25 pmJAX - STL
Nonstop2h 20mSouthwest
Wed 6/47:10 pmSTL - JAX
Nonstop1h 55mSouthwest
Deal found 4/13$263
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:37 amJAX - ORD
2 stops33h 26mMultiple Airlines
Sun 5/116:30 amORD - JAX
2 stops29h 00mMultiple Airlines
Deal found 4/14$282
This Sun Country Air deal was found by Cheapflights users on 4/14. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/612:44 pmJAX - ORD
1 stop5h 31mSun Country Air
Thu 6/128:10 pmORD - JAX
1 stop14h 44mSun Country Air
Deal found 4/14$285
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/242:11 pmJAX - ORD
1 stop4h 15mAmerican Airlines
Sun 5/256:55 pmORD - JAX
Nonstop2h 40mAmerican Airlines
Deal found 4/15$287
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3011:58 amJAX - ORD
1 stop6h 03mFrontier
Mon 6/25:50 amORD - JAX
1 stop11h 28mFrontier
Deal found 4/13$290
This United deal was found by Cheapflights users on 4/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1012:55 pmJAX - STL
2 stops10h 50mUnited Airlines
Tue 6/178:10 amSTL - JAX
1 stop6h 22mUnited Airlines
Deal found 4/15$294
This Delta deal was found by Cheapflights users on 4/14. 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 5/286:10 amJAX - MDW
1 stop4h 30mDelta
Sat 5/3112:48 pmMDW - JAX
1 stop5h 21mDelta
Deal found 4/14$297

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 April 15, 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

Fri 6/13

7:10 am-9:43 am

1 stop3h 33m

Lambert-St Louis

Tue 6/17

6:00 am-2:20 pm

1 stop7h 20m

$219

JacksonvilleMoline

JAX - MLI

JAXMLI

Jacksonville

Wed 8/27

7:05 am-10:53 am

1 stop4h 48m

Moline Quad-City

Sun 8/31

7:19 am-2:21 pm

1 stop6h 02m

$225

JacksonvillePeoria

JAX - PIA

JAXPIA

Jacksonville

Wed 5/21

8:00 am-2:01 pm

1 stop7h 01m

Greater Peoria

Sun 5/25

3:53 pm-9:54 pm

1 stop5h 01m

$225

JacksonvillePeoria

JAX - PIA

JAXPIA

Jacksonville

Wed 5/21

5:00 am-10:45 am

2 stops6h 45m

Greater Peoria

Sun 5/25

5:00 am-1:21 pm

1 stop7h 21m

$230

JacksonvilleMoline

JAX - MLI

JAXMLI

Jacksonville

Wed 5/14

11:08 am-4:34 pm

1 stop6h 26m

Moline Quad-City

Tue 5/20

6:00 am-1:16 pm

1 stop6h 16m

$251

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 5/22

7:25 pm-8:45 pm

Nonstop2h 20m

Lambert-St Louis

Wed 6/4

7:10 pm-10:05 pm

Nonstop1h 55m

$263

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Sat 5/10

7:00 am-8:46 am

Nonstop2h 46m

Chicago O'Hare Intl

Sat 5/10

6:55 pm-10:35 pm

Nonstop2h 40m

$287

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Tue 6/10

12:55 pm-10:45 pm

2 stops10h 50m

Lambert-St Louis

Tue 6/17

8:10 am-3:32 pm

1 stop6h 22m

$294

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Wed 5/28

6:10 am-9:40 am

1 stop4h 30m

Chicago Midway

Sat 5/31

12:48 pm-7:09 pm

1 stop5h 21m

$297

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Thu 6/26

7:49 pm-12:20 am

1 stop5h 31m

Chicago O'Hare Intl

Sun 6/29

8:24 am-3:31 pm

1 stop6h 07m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 41 results
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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 April 15, 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 April 15, 2025.

The most flights from JAX to USIL are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

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 April 15, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Jacksonville to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,918 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,658 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,927 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 Delta, which is currently one of the cheapest options available, starting at $110. Southwest flights start at $125 while deals on United Airlines start at $135 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: SkyWest Airlines (100%), Air Canada (92%), ANA( 89%).

  • What are the cheapest flights from Jacksonville to Illinois?

    Looking for the cheapest flight from Jacksonville to Illinois? While on average our users pay $891, our data indicates the cheapest price to be $143. The most popular route (Jacksonville - Chicago O'Hare Intl), is priced around $255.

  • 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

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Top 5 airlines flying from Jacksonville to Illinois

Discover the top 5 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$147Average$185FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$415FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$217Average$360FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$220Average$389FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$400FlexibilityNo cancel feeOn-time63%

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