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Cheap flights from Jacksonville to Illinois from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to Illinois departing on 7/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Jacksonville to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:29 pm - 8:57 am
JAX
-
STL
15h 28m
1 stop
Frontier Logo
6:34 pm - 5:34 pm
STL
-
JAX
22h 00m
1 stop
$142Frontier
Thu, Jul 23 - Sun, Jul 26
Frontier Logo
6:29 pm - 8:57 am
JAX
-
STL
15h 28m
1 stop
Frontier Logo
4:57 pm - 5:34 pm
STL
-
JAX
23h 37m
1 stop
$145Frontier
Fri, Jul 31 - Sat, Aug 8
Southwest Logo
4:45 pm - 11:15 pm
JAX
-
MDW
7h 30m
2 stops
Southwest Logo
4:15 pm - 11:10 pm
MDW
-
JAX
5h 55m
1 stop
$222Southwest
Wed, Jul 22 - Wed, Jul 29
Southwest Logo
11:15 am - 7:20 pm
JAX
-
MDW
9h 05m
2 stops
Southwest Logo
1:00 pm - 7:40 pm
MDW
-
JAX
5h 40m
2 stops
$227Southwest
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
7:20 am - 12:52 pm
JAX
-
PAH
6h 32m
1 stop
United Airlines Logo
2:05 pm - 11:20 pm
PAH
-
JAX
8h 15m
1 stop
$294United Airlines
Sat, Aug 1 - Sun, Aug 2
American Airlines Logo
8:17 pm - 11:58 pm
JAX
-
PIA
4h 41m
1 stop
American Airlines Logo
5:05 am - 12:51 pm
PIA
-
JAX
6h 46m
1 stop
$309American Airlines
Fri, Jul 24 - Fri, Jul 31
Delta Logo
7:02 pm - 10:31 pm
JAX
-
MLI
4h 29m
1 stop
Delta Logo
5:09 pm - 11:55 pm
MLI
-
JAX
5h 46m
1 stop
$311Delta
Wed, Jul 29 - Wed, Aug 5
American Airlines Logo
6:11 pm - 11:58 pm
JAX
-
PIA
6h 47m
1 stop
American Airlines Logo
6:00 am - 5:14 pm
PIA
-
JAX
10h 14m
2 stops
$314American Airlines
Fri, Jul 24 - Fri, Jul 31
Delta Logo
5:30 am - 10:12 am
JAX
-
MLI
5h 42m
1 stop
Delta Logo
5:56 am - 1:45 pm
MLI
-
JAX
6h 49m
1 stop
$315Delta
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
6:35 pm - 11:16 pm
JAX
-
MLI
5h 41m
1 stop
United Airlines Logo
1:15 pm - 9:59 pm
MLI
-
JAX
7h 44m
1 stop
$319United Airlines
Fri, Jul 24 - Fri, Jul 31

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American Airlines flights from Jacksonville to Illinois

Our best American Airlines deals on Jacksonville to Illinois flight tickets
American Airlines
Aug 8
JAX6:14 pmJacksonville
2h 54m
ORD8:08 pmChicago O'Hare Intl
Aug 10
ORD6:49 amChicago O'Hare Intl
4h 07m
1 stop
JAX11:56 amJacksonville
$257
American Airlines
Jul 4
JAX5:58 pmJacksonville
3h 02m
ORD8:00 pmChicago O'Hare Intl
Jul 29
ORD7:31 pmChicago O'Hare Intl
2h 36m
JAX11:07 pmJacksonville
$286
American Airlines
Jul 4
JAX9:25 amJacksonville
7h 41m
1 stop
ORD4:06 pmChicago O'Hare Intl
Jul 29
ORD7:31 pmChicago O'Hare Intl
2h 36m
JAX11:07 pmJacksonville
$296

Delta flights from Jacksonville to Illinois

Our best Delta deals on Jacksonville to Illinois flight tickets
Delta
Jul 25
JAX7:09 pmJacksonville
4h 06m
1 stop
MDW10:15 pmChicago Midway
Aug 8
MDW4:39 pmChicago Midway
4h 04m
1 stop
JAX9:43 pmJacksonville
$258
Delta
Sep 17
JAX5:34 pmJacksonville
7h 25m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 29
ORD11:17 amChicago O'Hare Intl
5h 06m
1 stop
JAX5:23 pmJacksonville
$266
Delta
Jul 15
JAX7:02 pmJacksonville
4h 13m
1 stop
STL10:15 pmLambert-St Louis
Jul 21
STL10:51 amLambert-St Louis
4h 44m
1 stop
JAX4:35 pmJacksonville
$287

momondo 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, momondo users made 832,500 searches. Data last updated June 24, 2026.
Use the filters below to find and compare flights from Jacksonville to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 7/23

6:29 pm-8:57 am

1 stop15h 28m

Lambert-St Louis

Sun 7/26

6:34 pm-5:34 pm

1 stop22h 00m

$142

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Fri 7/31

6:29 pm-8:57 am

1 stop15h 28m

Lambert-St Louis

Sat 8/8

4:57 pm-5:34 pm

1 stop23h 37m

$145

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Wed 7/22

4:45 pm-11:15 pm

2 stops7h 30m

Chicago Midway

Wed 7/29

4:15 pm-11:10 pm

1 stop5h 55m

$222

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Sat 8/22

11:15 am-7:20 pm

2 stops9h 05m

Chicago Midway

Tue 8/25

1:00 pm-7:40 pm

2 stops5h 40m

$227

JacksonvillePaducah

JAX - PAH

JAXPAH

Jacksonville

Sat 8/1

7:20 am-12:52 pm

1 stop6h 32m

Paducah Barkley Regional

Sun 8/2

2:05 pm-11:20 pm

1 stop8h 15m

$294

JacksonvillePeoria

JAX - PIA

JAXPIA

Jacksonville

Fri 7/24

8:17 pm-11:58 pm

1 stop4h 41m

Greater Peoria

Fri 7/31

5:05 am-12:51 pm

1 stop6h 46m

$309
Quickest round-trip

JacksonvilleMoline

JAX - MLI

JAXMLI

Jacksonville

Wed 7/29

7:02 pm-10:31 pm

1 stop4h 29m

Moline Quad-City

Wed 8/5

5:09 pm-11:55 pm

1 stop5h 46m

$311

JacksonvillePeoria

JAX - PIA

JAXPIA

Jacksonville

Fri 7/24

6:11 pm-11:58 pm

1 stop6h 47m

Greater Peoria

Fri 7/31

6:00 am-5:14 pm

2 stops10h 14m

$314

JacksonvilleMoline

JAX - MLI

JAXMLI

Jacksonville

Tue 7/14

5:30 am-10:12 am

1 stop5h 42m

Moline Quad-City

Tue 7/21

5:56 am-1:45 pm

1 stop6h 49m

$315

JacksonvilleMoline

JAX - MLI

JAXMLI

Jacksonville

Fri 7/24

6:35 pm-11:16 pm

1 stop5h 41m

Moline Quad-City

Fri 7/31

1:15 pm-9:59 pm

1 stop7h 44m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Jacksonville to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Jacksonville is in September. Flight prices, which tend to average around $78, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $88.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Jacksonville to Illinois is on a Thursday when prices can be found for as low as $401. Flights from Jacksonville to Illinois on a Sunday will generally be more expensive and average around $644. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Jacksonville to Illinois during this time can be as low as $379. Flights at noon are often more expensive with an average ticket price of $569.

What is the cheapest Jacksonville to Illinois flight route?

Fly from Jacksonville to Belleville for the best Jacksonville - Illinois flight prices

How far in advance should I book a flight from Jacksonville to Illinois?

You are more likely to see cheaper flights to Illinois from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $345 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Jacksonville for as low as $282 on momondo.

What cabin class options are available on Jacksonville to Illinois flights?

There are 4 cabin classes available to choose from on Jacksonville to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Jacksonville to Illinois flights?

No. A direct flight is the cheapest option for a flight between Jacksonville to Illinois.

Cheap Jacksonville to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Jacksonville to Illinois

Best Price Found

$219

Fastest flight time

2h 10m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Jacksonville in the past 72 hours is $219. The best round-trip flight deal from Jacksonville to Illinois found on momondo in the last 72 hours is $319.
The fastest flight from Jacksonville to Illinois takes 2h 10m
Direct flights go from Jacksonville to Illinois every day.
There are 98 airports in Illinois. From Jacksonville there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Jacksonville to Illinois

  • When did momondo last update prices for flights from Jacksonville Airport to Illinois?

    Prices for flights from Jacksonville Airport to Illinois refresh daily.

  • How many operators does momondo search for flights from Jacksonville Airport to Illinois?

  • How old do you have to be to fly from Jacksonville Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Jacksonville Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Jacksonville to Illinois?

Best airlines flying from Jacksonville to Illinois

Compare and see reviews for airlines that fly from Jacksonville to Illinois with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $121Free CancellationRating
7.8
8,434 reviews
Search Delta flights
FrontierPriceFrom $134Free CancellationRating
5.6
2,865 reviews
Search Frontier flights
American AirlinesPriceFrom $180Free CancellationRating
7.1
11,754 reviews
Search American Airlines flights
SouthwestPriceFrom $197Free CancellationRating
7.9
4,242 reviews
Search Southwest flights
JetBluePriceFrom $206Free CancellationRating
7.1
3,002 reviews
Search JetBlue flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,886 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Jacksonville to Illinois?

Finding the right flight to Illinois from Jacksonville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

Can I find flights from Jacksonville to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Jacksonville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Jacksonville to Illinois?

momondo helps you find the best flight between Jacksonville and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Jacksonville to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Jacksonville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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