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Cheap flights from Illinois to Jacksonville from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Jacksonville departing on 4/19. 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

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Find the cheapest flights from Illinois to Jacksonville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
4:25 pm - 10:15 pm
STL
-
JAX
4h 50m
1 stop
Southwest Logo
7:10 pm - 10:00 pm
JAX
-
STL
3h 50m
1 stop
$215Southwest
Tue, May 5 - Tue, May 12
Southwest Logo
11:35 am - 5:20 pm
STL
-
JAX
4h 45m
1 stop
Southwest Logo
6:05 am - 12:50 pm
JAX
-
STL
7h 45m
2 stops
$221Southwest
Tue, May 5 - Tue, May 12
United Airlines Logo
7:45 am - 6:36 pm
STL
-
JAX
9h 51m
2 stops
United Airlines Logo
5:00 pm - 9:13 pm
JAX
-
STL
5h 13m
1 stop
$250United Airlines
Sat, Apr 25 - Sat, May 2
Frontier Logo
6:00 am - 5:35 pm
MDW
-
JAX
10h 35m
1 stop
Frontier Logo
6:30 pm - 10:02 pm
JAX
-
MDW
4h 32m
1 stop
$270Frontier
Mon, May 25 - Thu, May 28
Frontier Logo
4:28 pm - 2:32 pm
ORD
-
JAX
21h 04m
2 stops
Frontier Logo
6:30 pm - 7:55 am
JAX
-
ORD
14h 25m
1 stop
$271Frontier
Thu, Apr 30 - Tue, May 5
Multiple Airlines Logo
6:55 am - 5:35 pm
ORD
-
JAX
9h 40m
1 stop
Multiple Airlines Logo
7:18 pm - 8:53 pm
JAX
-
ORD
26h 35m
1 stop
$273Multiple Airlines
Wed, May 13 - Mon, May 18
Multiple Airlines Logo
9:41 am - 6:12 pm
ORD
-
JAX
7h 31m
1 stop
Multiple Airlines Logo
6:25 pm - 10:39 pm
JAX
-
ORD
5h 14m
1 stop
$274Multiple Airlines
Tue, Apr 28 - Sun, May 3
American Airlines Logo
8:39 am - 3:06 pm
ORD
-
JAX
5h 27m
1 stop
American Airlines Logo
6:47 pm - 11:58 pm
JAX
-
ORD
6h 11m
1 stop
$275American Airlines
Wed, Apr 15 - Sat, Apr 18
United Airlines Logo
4:00 pm - 7:34 pm
ORD
-
JAX
2h 34mnonstop
United Airlines Logo
3:10 pm - 5:01 pm
JAX
-
ORD
2h 51mnonstop
$277United Airlines
Wed, Apr 15 - Sat, Apr 18
American Airlines Logo
3:04 pm - 6:40 pm
ORD
-
JAX
2h 36mnonstop
American Airlines Logo
5:45 am - 7:49 am
JAX
-
ORD
3h 04mnonstop
$279American Airlines
Tue, May 5 - Tue, May 12

Southwest flights from Illinois to Jacksonville

Our best Southwest deals on Illinois to Jacksonville flight tickets
Southwest
May 5
STL4:25 pmLambert-St Louis
4h 50m
1 stop
JAX10:15 pmJacksonville
May 12
JAX7:10 pmJacksonville
3h 50m
1 stop
STL10:00 pmLambert-St Louis
$215
Southwest
May 5
STL11:35 amLambert-St Louis
4h 45m
1 stop
JAX5:20 pmJacksonville
May 12
JAX6:05 amJacksonville
7h 45m
2 stops
STL12:50 pmLambert-St Louis
$221
Southwest
May 5
STL12:40 pmLambert-St Louis
7h 50m
2 stops
JAX9:30 pmJacksonville
May 12
JAX1:15 pmJacksonville
7h 45m
2 stops
STL8:00 pmLambert-St Louis
$226

American Airlines flights from Illinois to Jacksonville

Our best American Airlines deals on Illinois to Jacksonville flight tickets
American Airlines
Apr 15
ORD8:39 amChicago O'Hare Intl
5h 27m
1 stop
JAX3:06 pmJacksonville
Apr 18
JAX6:47 pmJacksonville
6h 11m
1 stop
ORD11:58 pmChicago O'Hare Intl
$275
American Airlines
May 5
ORD3:04 pmChicago O'Hare Intl
2h 36m
JAX6:40 pmJacksonville
May 12
JAX5:45 amJacksonville
3h 04m
ORD7:49 amChicago O'Hare Intl
$279
American Airlines
Apr 18
ORD7:53 pmChicago O'Hare Intl
2h 38m
JAX11:31 pmJacksonville
Apr 20
JAX5:45 amJacksonville
3h 04m
ORD7:49 amChicago O'Hare Intl
$282

momondo 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, momondo users made 832,500 searches. Data last updated March 25, 2026.
Use the filters below to find and compare flights from Illinois to Jacksonville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Tue 5/5

4:25 pm-10:15 pm

1 stop4h 50m

Jacksonville

Tue 5/12

7:10 pm-10:00 pm

1 stop3h 50m

$215

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Tue 5/5

11:35 am-5:20 pm

1 stop4h 45m

Jacksonville

Tue 5/12

6:05 am-12:50 pm

2 stops7h 45m

$221

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 4/25

7:45 am-6:36 pm

2 stops9h 51m

Jacksonville

Sat 5/2

5:00 pm-9:13 pm

1 stop5h 13m

$250

ChicagoJacksonville

MDW - JAX

MDWJAX

Chicago Midway

Mon 5/25

6:00 am-5:35 pm

1 stop10h 35m

Jacksonville

Thu 5/28

6:30 pm-10:02 pm

1 stop4h 32m

$270

ChicagoJacksonville

ORD - JAX

ORDJAX

Chicago O'Hare Intl

Thu 4/30

4:28 pm-2:32 pm

2 stops21h 04m

Jacksonville

Tue 5/5

6:30 pm-7:55 am

1 stop14h 25m

$271

ChicagoJacksonville

ORD - JAX

ORDJAX

Chicago O'Hare Intl

Wed 5/13

6:55 am-5:35 pm

1 stop9h 40m

Jacksonville

Mon 5/18

7:18 pm-8:53 pm

1 stop26h 35m

$273

ChicagoJacksonville

ORD - JAX

ORDJAX

Chicago O'Hare Intl

Tue 4/28

9:41 am-6:12 pm

1 stop7h 31m

Jacksonville

Sun 5/3

6:25 pm-10:39 pm

1 stop5h 14m

$274

ChicagoJacksonville

ORD - JAX

ORDJAX

Chicago O'Hare Intl

Wed 4/15

8:39 am-3:06 pm

1 stop5h 27m

Jacksonville

Sat 4/18

6:47 pm-11:58 pm

1 stop6h 11m

$275
Quickest round-trip

ChicagoJacksonville

ORD - JAX

ORDJAX

Chicago O'Hare Intl

Wed 4/15

4:00 pm-7:34 pm

Nonstop2h 34m

Jacksonville

Sat 4/18

3:10 pm-5:01 pm

Nonstop2h 51m

$277

ChicagoJacksonville

ORD - JAX

ORDJAX

Chicago O'Hare Intl

Tue 5/5

3:04 pm-6:40 pm

Nonstop2h 36m

Jacksonville

Tue 5/12

5:45 am-7:49 am

Nonstop3h 04m

$279

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 Jacksonville from

How to get the cheapest flight ticket from Illinois to Jacksonville

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 Jacksonville?

If you are unable to visit Jacksonville during the month of August, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $305.

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

According to our data, Saturday is the cheapest day to fly to Jacksonville from Illinois. The lowest ticket price found for a Saturday departure recently was $336. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $393.

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

Flying to Jacksonville from Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $353 when looking at flights departing at noon. Flights to Jacksonville are more costly in the evening, with an average ticket price of $368. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Illinois to Jacksonville flight route?

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

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

You are more likely to see cheaper flights to Jacksonville from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Jacksonville for around $351 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jacksonville from Illinois for as low as $271 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Jacksonville 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 Illinois to Jacksonville flights?

You could potentially save up to 30% on your flight if you consider stops on a Illinois to Jacksonville flight.

Cheap Illinois to Jacksonville flight deals and tips

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

Best Price Found

$158

Fastest flight time

2h 00m

Direct flights

Every day

Airports in Jacksonville

1 airport
The best one-way flight to Jacksonville from Illinois in the past 72 hours is $158. The best round-trip flight deal from Illinois to Jacksonville found on momondo in the last 72 hours is $317.
The fastest flight from Illinois to Jacksonville takes 2h 00m
Direct flights go from Illinois to Jacksonville every day.
There is 1 airport in Jacksonville. From Illinois there are direct flights to Jacksonville (JAX).
Search flight deals

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

    Prices for flights from Illinois to Jacksonville Airport were last updated today.

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

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

    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 Illinois to Jacksonville Airport.

  • What documentation or ID do you need to fly to Jacksonville Airport?

    The travel and health documents required for your trip to Jacksonville Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Jacksonville Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Illinois to Jacksonville

Compare and see reviews for airlines that fly from Illinois to Jacksonville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $86Free CancellationRating
7.3
710 reviews
Search Allegiant Air flights
FrontierPriceFrom $112Free CancellationRating
5.7
3,017 reviews
Search Frontier flights
American AirlinesPriceFrom $180Free CancellationRating
7.1
11,494 reviews
Search American Airlines flights
DeltaPriceFrom $198Free CancellationRating
7.9
8,326 reviews
Search Delta flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
9,477 reviews
Search United Airlines flights
SouthwestPriceFrom $203Free CancellationRating
8.0
4,333 reviews
Search Southwest flights
JetBluePriceFrom $236Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Fernandina Beach
Jacksonville Beach
Orange Park
Kingsland
Ponte Vedra Beach
Waycross
Atlantic Beach
Neptune Beach
St Johns
Yulee
Cumberland Island

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Jacksonville for you.

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

Yes. momondo allows you to filter the results for Illinois to Jacksonville flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Jacksonville from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Illinois to Jacksonville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Jacksonville trip

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