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$68+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/92:09 pm
STL
-
JAX
1 stop4h 24m
Frontier
Thu 3/124:29 pm
JAX
-
STL
1 stop22h 05m
Frontier
Deal found 1/27$149
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/61:09 pm
STL
-
JAX
1 stop4h 30m
Frontier
Sun 3/84:39 pm
JAX
-
STL
1 stop21h 40m
Frontier
Deal found 1/27$152
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/61:09 pm
STL
-
JAX
1 stop4h 30m
Frontier
Mon 3/98:18 pm
JAX
-
STL
2 stops38h 31m
Frontier
Deal found 1/27$165
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 3/33:49 pm
STL
-
JAX
2 stops26h 12m
Frontier
Sun 3/84:39 pm
JAX
-
STL
1 stop21h 40m
Frontier
Deal found 1/27$174
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/103:49 pm
STL
-
JAX
2 stops25h 42m
Frontier
Fri 2/138:12 pm
JAX
-
STL
1 stop11h 39m
Frontier
Deal found 1/27$185
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/61:09 pm
STL
-
JAX
1 stop4h 30m
Frontier
Wed 3/118:18 pm
JAX
-
STL
2 stops36h 04m
Frontier
Deal found 1/27$209
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/45:18 pm
STL
-
JAX
2 stops25h 27m
Multiple Airlines
Sun 3/84:39 pm
JAX
-
STL
1 stop21h 40m
Multiple Airlines
Deal found 1/27$217
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/23:49 pm
STL
-
JAX
2 stops40h 05m
Multiple Airlines
Sun 3/84:39 pm
JAX
-
STL
1 stop21h 40m
Multiple Airlines
Deal found 1/28$233
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/194:42 pm
ORD
-
JAX
1 stop25h 35m
Frontier
Sun 3/110:51 pm
JAX
-
ORD
1 stop11h 20m
Frontier
Deal found 1/27$269
This United Airlines deal was found by Cheapflights users on 1/27. 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 11/181:20 pm
PIA
-
JAX
1 stop6h 48m
United Airlines
Thu 12/177:49 am
JAX
-
PIA
1 stop7h 07m
United Airlines
Deal found 1/27$269
This Southwest deal was found by Cheapflights users on 1/29. 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 2/193:40 pm
MDW
-
JAX
1 stop5h 15m
Southwest
Tue 2/245:30 pm
JAX
-
MDW
Nonstop2h 25m
Southwest
Deal found 1/29$270
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/231:02 pm
ORD
-
JAX
1 stop6h 12m
United Airlines
Tue 2/2411:33 am
JAX
-
ORD
Nonstop2h 58m
United Airlines
Deal found 1/27$270

Find flight deals from Illinois to Jacksonville

Keep the following information in mind while searching for Illinois to Jacksonville flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Kiwi.com)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$344

Good round-trip deal

$280 or less

Good one-way deal

$127 or less
Provider with most accurate pricing for Chicago (CHI)-Jacksonville flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Jacksonville flights.
Search Deals
From Illinois to Jacksonville
Search Deals
One-way flight from Illinois to Jacksonville
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Jacksonville.
Search Deals
Price to beat on a one-way flight from Illinois to Jacksonville.
Search Deals

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 January 29, 2026.
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

PeoriaJacksonville

PIA - JAX

PIAJAX

Greater Peoria

Sat 4/25

1:20 pm-7:34 pm

1 stop5h 14m

Jacksonville

Sat 5/9

8:00 am-2:04 pm

1 stop7h 04m

$269

ChicagoJacksonville

MDW - JAX

MDWJAX

Chicago Midway

Wed 2/25

1:35 pm-4:50 pm

Nonstop2h 15m

Jacksonville

Sat 2/28

7:10 am-1:20 pm

1 stop7h 10m

$270

ChicagoJacksonville

ORD - JAX

ORDJAX

Chicago O'Hare Intl

Sat 2/21

1:02 pm-8:14 pm

1 stop6h 12m

Jacksonville

Thu 2/26

11:33 am-1:24 pm

Nonstop2h 51m

$270

ChicagoJacksonville

ORD - JAX

ORDJAX

Chicago O'Hare Intl

Wed 3/18

7:58 pm-11:30 pm

Nonstop2h 32m

Jacksonville

Mon 3/23

12:45 pm-6:51 pm

1 stop7h 06m

$270

ChicagoJacksonville

ORD - JAX

ORDJAX

Chicago O'Hare Intl

Tue 3/3

5:57 pm-9:24 pm

Nonstop2h 27m

Jacksonville

Thu 3/5

6:50 pm-11:44 pm

1 stop5h 54m

$270

MolineJacksonville

MLI - JAX

MLIJAX

Moline Quad-City

Sat 4/18

12:17 pm-6:52 pm

1 stop5h 35m

Jacksonville

Wed 4/22

6:00 am-12:21 pm

1 stop7h 21m

$271

MolineJacksonville

MLI - JAX

MLIJAX

Moline Quad-City

Wed 4/22

5:12 pm-11:59 pm

1 stop5h 47m

Jacksonville

Tue 4/28

5:39 pm-10:35 pm

1 stop5h 56m

$271

ChicagoJacksonville

MDW - JAX

MDWJAX

Chicago Midway

Sat 3/14

9:16 pm-5:08 pm

2 stops42h 52m

Jacksonville

Mon 3/23

5:58 pm-10:19 pm

1 stop5h 21m

$275

MolineJacksonville

MLI - JAX

MLIJAX

Moline Quad-City

Fri 3/6

3:33 pm-11:28 pm

1 stop6h 55m

Jacksonville

Wed 3/11

3:55 pm-9:58 pm

1 stop7h 03m

$275

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Mon 3/16

7:45 pm-10:45 pm

Nonstop2h 00m

Jacksonville

Tue 3/24

6:25 am-7:45 am

Nonstop2h 20m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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, March is the cheapest month in which you can book a flight from Illinois to Jacksonville (average of $119). Flying from Illinois to Jacksonville in November is currently the most expensive (average of $234). 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 January 29, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 32% 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 January 24, 2026.

Travelers seeking maximum savings on their Illinois to Jacksonville flight should consider departing on Sunday mornings when fares are most often at their lowest. Wednesday 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 January 29, 2026.

The most flights from USIL to JAX are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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?

    United Airlines, Southwest, and American Airlines can get you from Illinois to Jacksonville in just under 2h 15m. Your travel time can differ by up to 3h 20m. The distance from Illinois to Jacksonville is about 849 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 ($70), American Airlines ($72), and Southwest ($89).

  • 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 PSA Airlines (100%), Air Canada (82%) and Air New Zealand (82%).

  • What are the cheapest flights from Illinois to Jacksonville?

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Chicago O'Hare Intl - Jacksonville) can be booked for $162 on average, our data indicates $299 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, March is the cheapest month in which you can book a flight from Illinois to Jacksonville (average of $119). Flying from Illinois to Jacksonville in November is currently the most expensive (average of $234). 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
Yulee

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$86Average$134FlexibilityNo cancel feeOn-time88%
FrontierCheapest$112Average$230FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$149Average$394FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$367FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$343FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$203Average$377FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$286Average$356FlexibilityNo cancel feeOn-time62%

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