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$50+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$199
(American Airlines)

One-way from

$50
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$385

Good round-trip deal

$367 or less

Good one-way deal

$128 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
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/18. 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 5/66:17 pmJAX - PIA
1 stop6h 40mAmerican Airlines
Tue 5/136:16 amPIA - JAX
1 stop4h 43mAmerican Airlines
Deal found 2/18$199
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/305:03 amJAX - STL
1 stop4h 27mAmerican Airlines
Fri 5/21:48 pmSTL - JAX
1 stop4h 32mAmerican Airlines
Deal found 2/19$210
This JetBlue deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:00 amJAX - ORD
1 stop7h 17mJetBlue
Thu 5/88:50 amORD - JAX
1 stop9h 35mJetBlue
Deal found 2/20$235
This Southwest deal was found by Cheapflights users on 2/19. 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 3/55:50 pmJAX - ORD
1 stop5h 30mSouthwest
Sat 3/84:00 pmORD - JAX
1 stop6h 55mSouthwest
Deal found 2/19$237
This Delta deal was found by Cheapflights users on 2/19. 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 4/84:10 pmJAX - MDW
1 stop7h 11mDelta
Sat 4/1211:22 amMDW - JAX
1 stop5h 18mDelta
Deal found 2/19$237
This Delta deal was found by Cheapflights users on 2/19. 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 3/186:58 pmJAX - STL
1 stop5h 33mDelta
Sat 3/296:00 amSTL - JAX
1 stop3h 22mDelta
Deal found 2/19$239
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Mon 3/108:34 pmJAX - ORD
1 stop18h 05mMultiple Airlines
Wed 3/126:45 amORD - JAX
3 stops13h 07mMultiple Airlines
Deal found 2/20$241
This Southwest deal was found by Cheapflights users on 2/19. 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.
Tue 5/1311:15 amJAX - MDW
2 stops8h 55mSouthwest
Thu 5/152:40 pmMDW - JAX
1 stop7h 00mSouthwest
Deal found 2/19$242
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/215:42 amJAX - ORD
Nonstop2h 40mAmerican Airlines
Fri 3/284:40 pmORD - JAX
1 stop4h 42mAmerican Airlines
Deal found 2/20$247
This Southwest deal was found by Cheapflights users on 2/19. 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 4/108:20 amJAX - STL
Nonstop2h 10mSouthwest
Sun 4/136:30 pmSTL - JAX
1 stop5h 05mSouthwest
Deal found 2/19$249
This Frontier deal was found by Cheapflights users on 2/19. 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 5/910:19 amJAX - MDW
1 stop8h 09mFrontier
Fri 5/1612:15 pmMDW - JAX
1 stop8h 21mFrontier
Deal found 2/19$254
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/108:05 amJAX - ORD
Nonstop2h 47mUnited Airlines
Wed 3/126:15 pmORD - JAX
Nonstop2h 33mUnited Airlines
Deal found 2/20$255

Find flights from Jacksonville to Illinois within your budget

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 February 20, 2025.

Fly from

Jacksonville

Fly to

Illinois

Route

Depart

Return

Price

JacksonvillePeoria

JAX - PIA

JAXPIA

Jacksonville

Tue 5/6

6:17 pm-11:57 pm

1 stop6h 40m

Greater Peoria

Tue 5/13

6:16 am-11:59 am

1 stop4h 43m

$199

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 4/30

5:03 am-8:30 am

1 stop4h 27m

Lambert-St Louis

Fri 5/2

1:48 pm-7:20 pm

1 stop4h 32m

$210

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Tue 5/6

6:00 am-12:17 pm

1 stop7h 17m

Chicago O'Hare Intl

Thu 5/8

8:50 am-7:25 pm

1 stop9h 35m

$235

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Wed 3/5

5:50 pm-10:20 pm

1 stop5h 30m

Chicago O'Hare Intl

Sat 3/8

4:00 pm-11:55 pm

1 stop6h 55m

$237

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Tue 4/8

4:10 pm-10:21 pm

1 stop7h 11m

Chicago Midway

Sat 4/12

11:22 am-5:40 pm

1 stop5h 18m

$237

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Tue 3/18

6:58 pm-11:31 pm

1 stop5h 33m

Lambert-St Louis

Sat 3/29

6:00 am-10:22 am

1 stop3h 22m

$239

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Mon 3/10

8:34 pm-1:39 pm

1 stop18h 05m

Chicago O'Hare Intl

Wed 3/12

6:45 am-8:52 pm

3 stops13h 07m

$241

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Tue 5/13

11:15 am-7:10 pm

2 stops8h 55m

Chicago Midway

Thu 5/15

2:40 pm-10:40 pm

1 stop7h 00m

$242

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Fri 3/21

5:42 am-7:22 am

Nonstop2h 40m

Chicago O'Hare Intl

Fri 3/28

4:40 pm-10:22 pm

1 stop4h 42m

$247

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 4/10

8:20 am-9:30 am

Nonstop2h 10m

Lambert-St Louis

Sun 4/13

6:30 pm-12:35 am

1 stop5h 05m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 38 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.

Travel insights for flights from Jacksonville to Illinois

Get recent, data-driven insights about flights from Jacksonville to Illinois including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.

The most flights from JAX to USIL are scheduled on a Thursday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 February 20, 2025.
Read reviews from past customers who have flown Southwest, Delta and JetBlue 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
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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.

Allegiant Air
7.3
Good
765 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $50. American Airlines flights start at $99 while deals on Delta 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: ANA (91%), Air Canada (90%), Air New Zealand( 85%).

  • What are the cheapest flights from Jacksonville to Illinois?

    Looking for the cheapest flight from Jacksonville to Illinois? While on average our users pay $930, our data indicates the cheapest price to be $128. The most popular route (Jacksonville - Chicago O'Hare Intl), is priced around $197.

  • 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.

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$218FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$189Average$348FlexibilityNo cancel feeOn-time71%
DeltaCheapest$195Average$416FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$203Average$383FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$217Average$428FlexibilityNo cancel feeOn-time63%
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