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$90+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ORD
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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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 November 4, 2025.

This Priceline deal was found by Cheapflights users on 11/2. 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.
Thu 11/610:38 pmJAX - ORD
1 stop9h 48mFrontier
Mon 11/1011:12 amORD - JAX
1 stop5h 56mFrontier
Deal found 11/2$220
This Frontier deal was found by Cheapflights users on 11/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:13 pmJAX - ORD
1 stop7h 58mFrontier
Fri 11/148:26 amORD - JAX
1 stop12h 27mFrontier
Deal found 11/2$221
This Frontier deal was found by Cheapflights users on 11/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:13 pmJAX - MDW
1 stop5h 50mFrontier
Sun 11/166:15 amMDW - JAX
1 stop9h 08mFrontier
Deal found 11/3$221
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:36 pmJAX - MDW
1 stop4h 36mFrontier
Sun 12/146:37 pmMDW - JAX
2 stops18h 48mFrontier
Deal found 11/2$223
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:56 pmJAX - ORD
1 stop17h 57mMultiple Airlines
Wed 11/1910:00 amORD - JAX
1 stop26h 45mMultiple Airlines
Deal found 11/3$228
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:38 pmJAX - ORD
2 stops13h 52mFrontier
Sun 11/165:11 amORD - JAX
1 stop15h 42mFrontier
Deal found 11/1$231
This Orbitz deal was found by Cheapflights users on 11/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:38 pmJAX - MDW
1 stop9h 52mFrontier
Sun 11/168:32 amMDW - JAX
1 stop12h 21mFrontier
Deal found 11/3$231
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:13 pmJAX - MDW
1 stop5h 50mFrontier
Fri 11/146:15 amMDW - JAX
1 stop7h 10mFrontier
Deal found 11/2$234
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:38 pmJAX - ORD
2 stops13h 52mFrontier
Fri 12/126:11 amORD - JAX
1 stop10h 29mFrontier
Deal found 11/3$236
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:38 pmJAX - ORD
1 stop9h 48mFrontier
Mon 11/175:05 amORD - JAX
2 stops15h 48mFrontier
Deal found 11/2$241
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:37 pmJAX - ORD
Nonstop2h 53mUnited Airlines
Wed 12/1011:05 amORD - JAX
Nonstop2h 33mUnited Airlines
Deal found 11/3$245
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:34 pmJAX - ORD
1 stop11h 12mFrontier
Wed 12/34:01 pmORD - JAX
2 stops19h 30mFrontier
Deal found 11/3$248

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 November 4, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$221
(Frontier)

One-way from

$90
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$372

Good round-trip deal

$347 or less

Good one-way deal

$148 or less
Provider with most accurate pricing for Jacksonville-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jacksonville-Chicago (CHI) flights.
Search Deals
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 ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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

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 November 4, 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

JacksonvillePeoria

JAX - PIA

JAXPIA

Jacksonville

Mon 11/24

8:00 am-2:33 pm

1 stop7h 33m

Greater Peoria

Wed 12/3

1:15 pm-9:32 pm

1 stop7h 17m

$249

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Tue 12/9

8:15 am-9:35 am

Nonstop2h 20m

Lambert-St Louis

Thu 12/11

6:10 pm-9:05 pm

Nonstop1h 55m

$257

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 12/3

8:15 am-9:35 am

Nonstop2h 20m

Lambert-St Louis

Sat 12/6

8:25 am-11:20 am

Nonstop1h 55m

$257

JacksonvilleMoline

JAX - MLI

JAXMLI

Jacksonville

Sat 2/21

7:03 pm-10:32 pm

1 stop4h 29m

Moline Quad-City

Tue 2/24

5:00 pm-12:03 am

1 stop6h 03m

$259

JacksonvillePeoria

JAX - PIA

JAXPIA

Jacksonville

Mon 11/24

8:00 am-2:33 pm

1 stop7h 33m

Greater Peoria

Mon 12/1

1:20 pm-9:22 pm

1 stop7h 02m

$271

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Mon 2/23

7:35 am-8:55 am

Nonstop2h 20m

Lambert-St Louis

Sat 2/28

3:00 pm-5:55 pm

Nonstop1h 55m

$271

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Fri 11/14

10:38 pm-9:22 pm

2 stops23h 44m

Chicago Midway

Sun 11/16

8:32 am-9:53 pm

1 stop12h 21m

$278

JacksonvillePeoria

JAX - PIA

JAXPIA

Jacksonville

Wed 11/19

9:11 am-3:47 pm

1 stop7h 36m

Greater Peoria

Sun 11/23

9:49 am-5:15 pm

1 stop6h 26m

$279

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Tue 12/16

5:52 pm-11:59 pm

1 stop7h 07m

Lambert-St Louis

Fri 12/19

5:16 am-11:31 am

1 stop5h 15m

$280

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 12/3

6:05 am-10:45 am

1 stop5h 40m

Lambert-St Louis

Fri 12/5

6:00 am-12:09 pm

1 stop5h 09m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 60 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, May is the cheapest month in which you can book a flight from Jacksonville to Illinois (average of $98). Flying from Jacksonville to Illinois in December is currently the most expensive (average of $242). 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 November 4, 2025.

When flying from Jacksonville to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 19% versus a flight in the evening.

What is the cheapest day to fly from Jacksonville to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Jacksonville to Illinois. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Jacksonville to Illinois flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 4, 2025.

The most flights from JAX to USIL are scheduled on a Monday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Jacksonville to Illinois?

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 November 4, 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
4,238 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
Delta
7.9
Good
8,002 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
United Airlines
7.4
Good
8,997 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
American Airlines
7.2
Good
11,038 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
Frontier
5.8
Fair
3,117 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • How long is the flight from Jacksonville to Illinois?

    Airlines like United Airlines, Southwest, and Delta fly from Jacksonville to Illinois in about 2h 20m. The time it takes to get you to your destination can typically vary by up to 5h 13m. The distance from Jacksonville to Illinois is about 753 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $114. Sun Country Air flights start at $119 while deals on Delta start at $122 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: Qatar Airways (92%), ANA (90%), Air Canada( 86%).

  • What are the cheapest flights from Jacksonville to Illinois?

    Looking for the cheapest flight from Jacksonville to Illinois? While on average our users pay $563, our data indicates the cheapest price to be $138. 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, May is the cheapest month in which you can book a flight from Jacksonville to Illinois (average of $98). Flying from Jacksonville to Illinois in December is currently the most expensive (average of $242). 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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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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$385FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$145Average$247FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$179Average$359FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$207Average$393FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$226Average$356FlexibilityNo cancel feeOn-time69%

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