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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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ORD
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(American Airlines)

One-way from

$110
(Delta)

Popular in

December

Cheapest in

September

Average price

$397

Good round-trip deal

$323 or less

Good one-way deal

$198 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. 7% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This American Airlines deal was found by Cheapflights users on 3/25. 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 6/172:14 pmJAX - STL
1 stop5h 17mAmerican Airlines
Tue 6/247:20 amSTL - JAX
1 stop5h 03mAmerican Airlines
Deal found 3/25$219
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/258:11 pmJAX - PIA
1 stop4h 45mAmerican Airlines
Tue 4/295:00 amPIA - JAX
1 stop7h 13mAmerican Airlines
Deal found 3/25$224
This Delta deal was found by Cheapflights users on 3/24. 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 8/56:46 pmJAX - MLI
1 stop4h 43mDelta
Sat 8/95:00 pmMLI - JAX
1 stop5h 47mDelta
Deal found 3/24$239
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:19 amJAX - ORD
1 stop9h 59mFrontier
Mon 5/512:58 pmORD - JAX
1 stop7h 38mFrontier
Deal found 3/25$248
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/289:22 amJAX - MDW
1 stop9h 04mFrontier
Fri 5/912:15 pmMDW - JAX
1 stop8h 21mFrontier
Deal found 3/25$248
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2411:06 amJAX - ORD
1 stop8h 13mSun Country Air
Sun 5/48:05 pmORD - JAX
1 stop14h 38mSun Country Air
Deal found 3/25$250
This JetBlue Airways deal was found by Cheapflights users on 3/25. 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:00 amJAX - ORD
1 stop7h 13mJetBlue
Thu 5/84:03 pmORD - JAX
1 stop6h 35mJetBlue
Deal found 3/25$267
This American Airlines deal was found by Cheapflights users on 3/25. 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 5/86:17 pmJAX - MLI
1 stop4h 57mAmerican Airlines
Mon 5/124:25 pmMLI - JAX
1 stop6h 29mAmerican Airlines
Deal found 3/25$274
This Southwest deal was found by Cheapflights users on 3/25. 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.
Mon 4/287:25 pmJAX - STL
Nonstop2h 20mSouthwest
Sat 5/310:25 amSTL - JAX
Nonstop1h 55mSouthwest
Deal found 3/25$277
This Booking.com deal was found by Cheapflights users on 3/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1910:29 amJAX - ORD
1 stop9h 00mMultiple Airlines
Thu 5/226:18 pmORD - JAX
1 stop16h 25mMultiple Airlines
Deal found 3/25$289
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Tue 6/173:40 pmJAX - STL
1 stop7h 35mUnited Airlines
Tue 6/248:10 amSTL - JAX
2 stops10h 57mUnited Airlines
Deal found 3/25$294
This Delta deal was found by Cheapflights users on 3/25. 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 5/202:38 pmJAX - STL
1 stop7h 10mDelta
Fri 5/235:40 pmSTL - JAX
1 stop5h 34mDelta
Deal found 3/25$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 March 26, 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

Tue 6/17

2:14 pm-6:31 pm

1 stop5h 17m

Lambert-St Louis

Tue 6/24

7:20 am-1:23 pm

1 stop5h 03m

$219

JacksonvillePeoria

JAX - PIA

JAXPIA

Jacksonville

Fri 4/25

8:11 pm-11:56 pm

1 stop4h 45m

Greater Peoria

Tue 4/29

5:00 am-1:13 pm

1 stop7h 13m

$224

JacksonvilleMoline

JAX - MLI

JAXMLI

Jacksonville

Tue 8/5

6:46 pm-10:29 pm

1 stop4h 43m

Moline Quad-City

Sat 8/9

5:00 pm-11:47 pm

1 stop5h 47m

$239

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Fri 5/2

10:19 am-7:18 pm

1 stop9h 59m

Chicago O'Hare Intl

Mon 5/5

12:58 pm-9:36 pm

1 stop7h 38m

$248

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Mon 4/28

9:22 am-5:26 pm

1 stop9h 04m

Chicago Midway

Fri 5/9

12:15 pm-9:36 pm

1 stop8h 21m

$248

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Thu 4/24

11:06 am-6:19 pm

1 stop8h 13m

Chicago O'Hare Intl

Sun 5/4

8:05 pm-11:43 am

1 stop14h 38m

$250

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Fri 5/23

8:00 am-2:53 pm

1 stop7h 53m

Lambert-St Louis

Sun 5/25

6:30 am-2:59 pm

2 stops7h 29m

$258

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Sat 5/3

6:00 am-12:13 pm

1 stop7h 13m

Chicago O'Hare Intl

Thu 5/8

4:03 pm-11:38 pm

1 stop6h 35m

$267

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Fri 5/23

7:25 pm-8:45 pm

Nonstop2h 20m

Lambert-St Louis

Sun 5/25

7:00 pm-9:55 pm

Nonstop1h 55m

$274

JacksonvilleMoline

JAX - MLI

JAXMLI

Jacksonville

Thu 5/8

6:17 pm-10:14 pm

1 stop4h 57m

Moline Quad-City

Mon 5/12

4:25 pm-11:54 pm

1 stop6h 29m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 46 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 $323). 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 March 26, 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.

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 March 26, 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
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

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
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

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
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

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
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

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
2,922 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

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.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

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. United Airlines flights start at $115 while deals on Frontier start at $125 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%), Emirates (100%), Air Canada( 92%).

  • What are the cheapest flights from Jacksonville to Illinois?

    Looking for the cheapest flight from Jacksonville to Illinois? While on average our users pay $1,506, our data indicates the cheapest price to be $149. The most popular route (Jacksonville - Chicago O'Hare Intl), is priced around $203.

  • 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 $323). 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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Alternative routes for Jacksonville to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$185FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$422FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$213Average$353FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$217Average$385FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$217Average$407FlexibilityNo cancel feeOn-time63%
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