How does KAYAK find such low prices on flights from Illinois to Jacksonville?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Jacksonville.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Jacksonville?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Jacksonville from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Jacksonville?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Jacksonville with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Jacksonville?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Jacksonville from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$47 CHEAP FLIGHTS from Illinois to Jacksonville

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Flight Deals

Cheap Flights from Illinois to Jacksonville

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Jacksonville

Mon, Oct 19 - Tue, Oct 27

6:35 pm - 6:46 pmSTL Lambert-St Louis-JAX Jacksonville

23h 11m1 stop Atlanta Hartsfield-Jackson

7:03 pm - 5:40 pmJAX Jacksonville-STL Lambert-St Louis

23h 37m1 stop Atlanta Hartsfield-Jackson

$90Frontier

Wed, Oct 21 - Tue, Oct 27

6:35 pm - 5:25 pmSTL Lambert-St Louis-JAX Jacksonville

21h 50m1 stop Atlanta Hartsfield-Jackson

7:03 pm - 5:40 pmJAX Jacksonville-STL Lambert-St Louis

23h 37m1 stop Atlanta Hartsfield-Jackson

$90Frontier

Sat, Oct 3 - Tue, Oct 6

6:20 am - 7:01 pmORD Chicago O'Hare Intl-JAX Jacksonville

11h 41m1 stop Atlanta Hartsfield-Jackson

10:25 am - 6:23 pmJAX Jacksonville-ORD Chicago O'Hare Intl

8h 58m2 stops Norfolk Atlanta Hartsfield-Jackson

$220Multiple Airlines

Mon, Nov 16 - Wed, Dec 2

8:00 am - 9:45 amORD Chicago O'Hare Intl-JAX Jacksonville

24h 45m1 stop Fort Lauderdale

2:55 pm - 8:16 pmJAX Jacksonville-ORD Chicago O'Hare Intl

6h 21m1 stop Atlanta Hartsfield-Jackson

$221Multiple Airlines

Sat, Oct 24 - Tue, Oct 27

6:05 am - 1:45 pmSTL Lambert-St Louis-JAX Jacksonville

6h 40m1 stop Chicago Midway

6:10 am - 7:25 amJAX Jacksonville-STL Lambert-St Louis

2h 15mnonstop

$236Southwest

Sat, Dec 12 - Tue, Dec 15

10:35 am - 1:30 pmSTL Lambert-St Louis-JAX Jacksonville

1h 55mnonstop

6:05 am - 7:20 amJAX Jacksonville-STL Lambert-St Louis

2h 15mnonstop

$239Southwest

Sat, Oct 24 - Tue, Oct 27

3:20 pm - 10:29 pmSTL Lambert-St Louis-JAX Jacksonville

6h 09m1 stop Dallas/Fort Worth

5:11 pm - 10:00 pmJAX Jacksonville-STL Lambert-St Louis

5h 49m1 stop Dallas/Fort Worth

$239American Airlines

Tue, Nov 24 - Tue, Dec 1

2:48 pm - 9:29 pmSTL Lambert-St Louis-JAX Jacksonville

5h 41m1 stop Dallas/Fort Worth

8:24 pm - 11:58 pmJAX Jacksonville-STL Lambert-St Louis

4h 34m1 stop Charlotte Douglas

$239American Airlines

Tue, Oct 20 - Wed, Oct 21

3:35 pm - 7:09 pmORD Chicago O'Hare Intl-JAX Jacksonville

2h 34mnonstop

4:58 pm - 6:46 pmJAX Jacksonville-ORD Chicago O'Hare Intl

2h 48mnonstop

$245United Airlines

Tue, Oct 20 - Wed, Oct 21

2:37 pm - 8:54 pmORD Chicago O'Hare Intl-JAX Jacksonville

5h 17m1 stop Washington, D.C. Dulles Intl

4:58 pm - 6:46 pmJAX Jacksonville-ORD Chicago O'Hare Intl

2h 48mnonstop

$255United Airlines

Recent last minute flight deals from Illinois to Jacksonville

Wed, Sep 16 - Sat, Sep 19

11:01 am - 5:48 pmSTL Lambert-St Louis-JAX Jacksonville

5h 47m1 stop Chicago O'Hare Intl

12:05 pm - 4:40 pmJAX Jacksonville-STL Lambert-St Louis

5h 35m1 stop Dallas/Fort Worth

$377American Airlines

Thu, Sep 17 - Sat, Sep 19

10:21 am - 6:25 pmSTL Lambert-St Louis-JAX Jacksonville

7h 04m1 stop Charlotte Douglas

6:18 pm - 12:27 amJAX Jacksonville-STL Lambert-St Louis

7h 09m1 stop Chicago O'Hare Intl

$377American Airlines

Wed, Sep 16 - Thu, Sep 17

6:25 am - 7:01 pmMDW Chicago Midway-JAX Jacksonville

11h 36m1 stop Atlanta Hartsfield-Jackson

7:46 pm - 11:44 pmJAX Jacksonville-MDW Chicago Midway

4h 58m1 stop Atlanta Hartsfield-Jackson

$397Frontier

Fri, Sep 18 - Mon, Sep 21

10:26 am - 7:01 pmORD Chicago O'Hare Intl-JAX Jacksonville

7h 35m1 stop Atlanta Hartsfield-Jackson

3:41 pm - 3:20 pmJAX Jacksonville-ORD Chicago O'Hare Intl

24h 39m1 stop Fort Lauderdale

$421Multiple Airlines

Fri, Sep 18 - Fri, Sep 25

6:25 am - 7:01 pmMDW Chicago Midway-JAX Jacksonville

11h 36m1 stop Atlanta Hartsfield-Jackson

7:46 pm - 11:44 pmJAX Jacksonville-MDW Chicago Midway

4h 58m1 stop Atlanta Hartsfield-Jackson

$425Frontier

Sun, Sep 20 - Wed, Sep 23

7:11 am - 8:25 amORD Chicago O'Hare Intl-JAX Jacksonville

24h 14m1 stop Fort Lauderdale

3:50 pm - 2:45 pmJAX Jacksonville-ORD Chicago O'Hare Intl

23h 55m1 stop Fort Lauderdale

$434Multiple Airlines

Sat, Sep 19 - Tue, Sep 22

11:19 am - 7:22 pmMLI Moline Quad-City-JAX Jacksonville

7h 03m1 stop Atlanta Hartsfield-Jackson

7:15 am - 10:13 amJAX Jacksonville-MLI Moline Quad-City

3h 58m1 stop Atlanta Hartsfield-Jackson

$453Delta

Thu, Sep 17 - Mon, Sep 21

6:00 am - 3:19 pmPIA Greater Peoria-JAX Jacksonville

8h 19m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

4:45 pm - 11:13 pmJAX Jacksonville-PIA Greater Peoria

7h 28m1 stop Chicago O'Hare Intl

$494United Airlines

Thu, Sep 17 - Mon, Sep 21

6:00 am - 3:19 pmPIA Greater Peoria-JAX Jacksonville

8h 19m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

3:49 pm - 11:13 pmJAX Jacksonville-PIA Greater Peoria

8h 24m2 stops Newark Chicago O'Hare Intl

$499United Airlines

Sat, Sep 19 - Tue, Sep 22

6:05 am - 11:56 amMDW Chicago Midway-JAX Jacksonville

4h 51m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:54 amJAX Jacksonville-MDW Chicago Midway

6h 54m1 stop Atlanta Hartsfield-Jackson

$533Delta

Recent direct flight deals from Illinois to Jacksonville

Sat, Oct 24 - Tue, Oct 27

4:55 pm - 7:55 pmSTL Lambert-St Louis-JAX Jacksonville

2h 00mnonstop

6:10 am - 7:25 amJAX Jacksonville-STL Lambert-St Louis

2h 15mnonstop

$239Southwest

Sat, Dec 12 - Tue, Dec 15

10:35 am - 1:30 pmSTL Lambert-St Louis-JAX Jacksonville

1h 55mnonstop

6:05 am - 7:20 amJAX Jacksonville-STL Lambert-St Louis

2h 15mnonstop

$239Southwest

Sat, Dec 12 - Tue, Dec 15

1:44 pm - 5:16 pmORD Chicago O'Hare Intl-JAX Jacksonville

2h 32mnonstop

6:33 am - 8:34 amJAX Jacksonville-ORD Chicago O'Hare Intl

3h 01mnonstop

$245American Airlines

Tue, Oct 20 - Wed, Oct 21

3:35 pm - 7:09 pmORD Chicago O'Hare Intl-JAX Jacksonville

2h 34mnonstop

4:58 pm - 6:46 pmJAX Jacksonville-ORD Chicago O'Hare Intl

2h 48mnonstop

$245United Airlines

Tue, Oct 20 - Wed, Oct 21

1:29 pm - 5:00 pmORD Chicago O'Hare Intl-JAX Jacksonville

2h 31mnonstop

5:49 pm - 7:52 pmJAX Jacksonville-ORD Chicago O'Hare Intl

3h 03mnonstop

$247American Airlines

Tue, Oct 27 - Sat, Oct 31

6:00 pm - 9:20 pmMDW Chicago Midway-JAX Jacksonville

2h 20mnonstop

8:10 am - 9:30 amJAX Jacksonville-MDW Chicago Midway

2h 20mnonstop

$247Southwest

Sat, Jan 23 - Tue, Jan 26

7:19 pm - 10:52 pmORD Chicago O'Hare Intl-JAX Jacksonville

2h 33mnonstop

12:14 pm - 2:09 pmJAX Jacksonville-ORD Chicago O'Hare Intl

2h 55mnonstop

$247American Airlines

Wed, Nov 4 - Mon, Nov 9

10:45 am - 2:21 pmORD Chicago O'Hare Intl-JAX Jacksonville

2h 36mnonstop

7:30 am - 9:19 amJAX Jacksonville-ORD Chicago O'Hare Intl

2h 49mnonstop

$263United Airlines

Sat, Oct 17 - Mon, Oct 19

10:15 am - 1:15 pmSTL Lambert-St Louis-JAX Jacksonville

2h 00mnonstop

5:45 am - 6:55 amJAX Jacksonville-STL Lambert-St Louis

2h 10mnonstop

$263Southwest

Tue, Oct 27 - Thu, Oct 29

7:29 am - 11:10 amORD Chicago O'Hare Intl-JAX Jacksonville

2h 41mnonstop

3:40 pm - 5:29 pmJAX Jacksonville-ORD Chicago O'Hare Intl

2h 49mnonstop

$263United Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$47

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly with an average 10% increase in price.

Flight from St. Louis to Jacksonville

How does KAYAK find such low prices on flights from Illinois to Jacksonville?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Jacksonville.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Jacksonville?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Jacksonville from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Jacksonville?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Jacksonville with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Jacksonville?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Jacksonville from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.