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$83+ Cheap flights from Illinois to Jacksonville (JAX)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAX
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Illinois to Jacksonville

Keep the following information in mind while searching for Illinois to Jacksonville flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$200
(Kiwi.com)

One-way from

$83
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$382

Good round-trip deal

$106 or less

Good one-way deal

$157 or less
Provider with most accurate pricing for Chicago (CHI)-Jacksonville flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Jacksonville flights.
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From Illinois to Jacksonville
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One-way flight from Illinois to Jacksonville
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Highest demand for flights based on searches. 11% potential increase in price ($46 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 November 2025
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Price to beat on a round-trip flight from Illinois to Jacksonville.
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Price to beat on a one-way flight from Illinois to Jacksonville.
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Find flight deals from Illinois to Jacksonville

Cheapest flights from Illinois to Jacksonville
Explore the most affordable flight options available from Illinois to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

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 12/1210:42 amSTL - JAX
1 stop5h 58mFrontier
Mon 12/156:36 pmJAX - STL
2 stops28h 57mFrontier
Deal found 11/3$222
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:15 amSTL - JAX
Nonstop2h 00mSouthwest
Tue 12/168:15 amJAX - STL
Nonstop2h 20mSouthwest
Deal found 11/1$243
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:07 pmSTL - JAX
1 stop5h 27mAmerican Airlines
Tue 12/166:49 amJAX - STL
1 stop6h 55mAmerican Airlines
Deal found 11/1$253
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:00 pmMLI - JAX
1 stop7h 32mUnited Airlines
Tue 12/307:40 amJAX - MLI
1 stop5h 33mUnited Airlines
Deal found 11/1$259
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:00 amMLI - JAX
2 stops10h 12mAmerican Airlines
Tue 12/309:33 amJAX - MLI
1 stop7h 41mAmerican Airlines
Deal found 11/1$264
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:30 pmPIA - JAX
1 stop5h 12mUnited Airlines
Wed 12/247:40 amJAX - PIA
1 stop5h 40mUnited Airlines
Deal found 11/1$271
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:50 amSTL - JAX
Nonstop2h 00mSouthwest
Wed 12/178:15 amJAX - STL
Nonstop2h 20mSouthwest
Deal found 11/3$280
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:25 amORD - JAX
1 stop21h 42mJetBlue
Thu 12/1110:52 amJAX - ORD
1 stop9h 51mJetBlue
Deal found 11/2$284
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.
Wed 11/265:30 pmMDW - JAX
2 stops19h 15mMultiple Airlines
Mon 12/110:59 amJAX - MDW
1 stop23h 18mMultiple Airlines
Deal found 11/1$284
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.
Wed 11/261:03 pmORD - JAX
1 stop23h 42mMultiple Airlines
Mon 12/19:34 pmJAX - ORD
1 stop11h 09mMultiple Airlines
Deal found 11/2$285
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:00 pmORD - JAX
Nonstop2h 29mAmerican Airlines
Sat 12/611:58 amJAX - ORD
Nonstop2h 50mAmerican Airlines
Deal found 11/2$286
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:43 pmORD - JAX
Nonstop2h 31mAmerican Airlines
Mon 12/85:45 pmJAX - ORD
Nonstop2h 50mAmerican Airlines
Deal found 11/2$287

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Jacksonville 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 3, 2025.
Use the filters below to find and compare flights from Illinois to Jacksonville that are best for you.

Fly from

Illinois

Fly to

Jacksonville

Route

Depart

Return

Price

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Fri 12/12

10:42 am-5:40 pm

1 stop5h 58m

Jacksonville

Mon 12/15

6:36 pm-10:33 pm

2 stops28h 57m

$222

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Tue 12/9

8:15 am-11:15 am

Nonstop2h 00m

Jacksonville

Tue 12/16

11:50 am-3:50 pm

1 stop5h 00m

$249

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Tue 12/9

4:07 pm-10:34 pm

1 stop5h 27m

Jacksonville

Tue 12/16

6:49 am-12:44 pm

1 stop6h 55m

$253

PeoriaJacksonville

PIA - JAX

PIAJAX

Greater Peoria

Mon 1/19

3:00 pm-9:54 pm

1 stop5h 54m

Jacksonville

Sun 2/1

9:20 am-4:43 pm

2 stops8h 23m

$254

MolineJacksonville

MLI - JAX

MLIJAX

Moline Quad-City

Mon 12/15

1:00 pm-9:32 pm

1 stop7h 32m

Jacksonville

Tue 12/30

7:40 am-12:13 pm

1 stop5h 33m

$259

MolineJacksonville

MLI - JAX

MLIJAX

Moline Quad-City

Mon 12/15

6:00 am-5:12 pm

2 stops10h 12m

Jacksonville

Tue 12/30

9:33 am-4:14 pm

1 stop7h 41m

$264

PeoriaJacksonville

PIA - JAX

PIAJAX

Greater Peoria

Thu 12/18

3:30 pm-9:42 pm

1 stop5h 12m

Jacksonville

Wed 12/24

7:40 am-12:20 pm

1 stop5h 40m

$271

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Wed 1/7

12:00 pm-4:32 pm

1 stop3h 32m

Jacksonville

Sun 1/11

7:30 am-11:05 am

1 stop4h 35m

$280

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Wed 12/24

6:10 pm-9:05 pm

Nonstop1h 55m

Jacksonville

Tue 12/30

7:50 am-9:10 am

Nonstop2h 20m

$280

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sun 1/25

6:10 am-2:10 pm

1 stop7h 00m

Jacksonville

Tue 1/27

5:39 pm-11:39 pm

1 stop7h 00m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Jacksonville

Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Illinois 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 Illinois to Jacksonville

What is the cheapest month to book a flight from Illinois to Jacksonville?

Currently, June is the cheapest month in which you can book a flight from Illinois to Jacksonville (average of $117). Flying from Illinois to Jacksonville in November is currently the most expensive (average of $235). 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 IL to JAX?

Find hourly flight availability from Illinois to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 28% on flights from Illinois to Jacksonville by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Illinois to Jacksonville. Price data was last updated on October 26, 2025.

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

Weekly flight availability from Illinois to Jacksonville

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

The most flights from USIL to JAX are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Jacksonville. 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 into for flights to Jacksonville from Illinois?

    Jacksonville (JAX) is the airport you will fly into if you book a flight from Illinois to Jacksonville. It is only a 11.2 mi journey from Jacksonville (JAX) to Jacksonville’s city center.

  • How long is the flight from Illinois to Jacksonville?

    Frontier, Southwest, and American Airlines can get you from Illinois to Jacksonville in just under 2h. Your travel time can differ by up to 3h 58m. The distance from Illinois to Jacksonville 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 Illinois to Jacksonville one-way?

    The cheapest airlines for a one-way flight from Illinois to Jacksonville are Frontier ($85), JetBlue ($119), and Delta ($122).

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

    The most popular route from Illinois to Jacksonville is Chicago O'Hare Intl - Jacksonville. You may also consider Chicago Midway - Jacksonville or Lambert-St Louis - Jacksonville.

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

    The top 3 most reliable airlines when flying from Illinois to Jacksonville are Envoy Air (88%), United Airlines (82%) and Air Canada (81%).

  • What are the cheapest flights from Illinois to Jacksonville?

    Looking at all options, your cheapest flight can be booked for $117. While the most popular route (Chicago O'Hare Intl - Jacksonville) can be booked for $169 on average, our data indicates $478 when flying from Illinois to Jacksonville.

  • Can I find deals for flights from Illinois to Jacksonville that include hotel bookings?

    Yes. In addition to deals on Illinois to Jacksonville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Jacksonville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Jacksonville.

  • Can I find deals for business class flights from Illinois to Jacksonville?

    Yes. Cheapflights offers flight deals from Illinois to Jacksonville 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 Illinois to Jacksonville?

    Currently, June is the cheapest month in which you can book a flight from Illinois to Jacksonville (average of $117). Flying from Illinois to Jacksonville in November is currently the most expensive (average of $235). 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

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Jacksonville Beach
Orange Park
Fernandina Beach
Kingsland
Waycross

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Alternative routes for Illinois to Jacksonville

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Top 7 airlines flying from Illinois to Jacksonville

Discover the top 7 airlines that operate flights from Illinois to Jacksonville. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$86Average$134FlexibilityNo cancel feeOn-time88%
FrontierCheapest$112Average$236FlexibilityNo cancel feeOn-time62%
DeltaCheapest$144Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$149Average$402FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$198Average$390FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$388FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$265Average$356FlexibilityNo cancel feeOn-time62%

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