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Cheap flights from Illinois to Jacksonville from $82

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 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
American Airlines Logo
5:14 am - 11:21 amSTL-JAX
5h 07m1 stop
American Airlines Logo
6:00 am - 9:32 amJAX-STL
4h 32m1 stop
$179American Airlines
Find Deal
vie., dic. 5 - lun., dic. 8
Frontier Logo
10:42 am - 5:40 pmSTL-JAX
5h 58m1 stop
Frontier Logo
6:36 pm - 10:33 pmJAX-STL
28h 57m2 stops
$200Frontier
Find Deal
vie., dic. 5 - lun., dic. 8
Frontier Logo
10:42 am - 5:40 pmSTL-JAX
5h 58m1 stop
Frontier Logo
6:36 pm - 10:33 pmJAX-STL
28h 57m2 stops
$203Frontier
Find Deal
vie., dic. 5 - lun., dic. 8
Delta Logo
11:40 am - 5:33 pmSTL-JAX
4h 53m1 stop
Delta Logo
5:35 pm - 9:57 pmJAX-STL
5h 22m1 stop
$243Delta
Find Deal
mié., dic. 3 - mié., dic. 10
Multiple Airlines Logo
11:07 am - 4:13 pmSTL-JAX
4h 06m1 stop
Multiple Airlines Logo
8:34 am - 9:07 amJAX-STL
25h 33m2 stops
$246Multiple Airlines
Find Deal
jue., nov. 13 - vie., nov. 14
Delta Logo
5:06 pm - 11:59 pmMLI-JAX
5h 53m1 stop
Delta Logo
6:58 pm - 10:32 pmJAX-MLI
4h 34m1 stop
$259Delta
Find Deal
dom., feb. 1 - mar., feb. 10
United Airlines Logo
3:45 pm - 9:54 pmMLI-JAX
5h 09m1 stop
United Airlines Logo
6:35 am - 4:54 pmJAX-MLI
11h 19m2 stops
$264United Airlines
Find Deal
dom., feb. 1 - mar., feb. 10
Southwest Logo
8:25 am - 5:35 pmSTL-JAX
8h 10m2 stops
Southwest Logo
11:50 am - 3:50 pmJAX-STL
5h 00m1 stop
$264Southwest
Find Deal
mié., dic. 3 - mié., dic. 10
Southwest Logo
8:45 am - 11:45 amSTL-JAX
2h 00mnonstop
Southwest Logo
7:35 am - 8:55 amJAX-STL
2h 20mnonstop
$271Southwest
Find Deal
sáb., ene. 31 - jue., feb. 5
United Airlines Logo
5:42 pm - 11:10 pmMLI-JAX
4h 28m1 stop
United Airlines Logo
11:17 am - 5:07 pmJAX-MLI
6h 50m1 stop
$276United Airlines
Find Deal
vie., abr. 24 - lun., abr. 27

Frontier flights from Illinois to Jacksonville

Our best Frontier deals on Illinois to Jacksonville flight tickets
Frontier
Dec 5
STL10:42 amLambert-St Louis
5h 58m
1 stop
JAX5:40 pmJacksonville
Dec 8
JAX6:36 pmJacksonville
28h 57m
2 stops
STL10:33 pmLambert-St Louis
$200
Find similar
Frontier
Dec 5
STL10:42 amLambert-St Louis
5h 58m
1 stop
JAX5:40 pmJacksonville
Dec 8
JAX6:36 pmJacksonville
28h 57m
2 stops
STL10:33 pmLambert-St Louis
$203
Find similar
Frontier
Dec 12
STL10:42 amLambert-St Louis
5h 58m
1 stop
JAX5:40 pmJacksonville
Dec 15
JAX6:36 pmJacksonville
28h 57m
2 stops
STL10:33 pmLambert-St Louis
$226
Find similar

Delta flights from Illinois to Jacksonville

Our best Delta deals on Illinois to Jacksonville flight tickets
Delta
Dec 3
STL11:40 amLambert-St Louis
4h 53m
1 stop
JAX5:33 pmJacksonville
Dec 10
JAX5:35 pmJacksonville
5h 22m
1 stop
STL9:57 pmLambert-St Louis
$243
Find similar
Delta
Feb 1
MLI5:06 pmMoline Quad-City
5h 53m
1 stop
JAX11:59 pmJacksonville
Feb 10
JAX6:58 pmJacksonville
4h 34m
1 stop
MLI10:32 pmMoline Quad-City
$259
Find similar
Delta
Dec 2
ORD6:45 amChicago O'Hare Intl
4h 24m
1 stop
JAX12:09 pmJacksonville
Dec 6
JAX11:42 amJacksonville
4h 38m
1 stop
ORD3:20 pmChicago O'Hare Intl
$291
Find similar

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 noviembre 6, 2025.
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

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

vie. 12/5

5:14 am-11:21 am

1 stop5h 07m

Jacksonville

lun. 12/8

6:00 am-9:32 am

1 stop4h 32m

$179

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

vie. 12/5

10:42 am-5:40 pm

1 stop5h 58m

Jacksonville

lun. 12/8

6:36 pm-10:33 pm

2 stops28h 57m

$200

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

vie. 12/5

10:42 am-5:40 pm

1 stop5h 58m

Jacksonville

lun. 12/8

6:36 pm-10:33 pm

2 stops28h 57m

$203

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

mié. 12/3

11:40 am-5:33 pm

1 stop4h 53m

Jacksonville

mié. 12/10

5:35 pm-9:57 pm

1 stop5h 22m

$243

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

jue. 11/13

11:07 am-4:13 pm

1 stop4h 06m

Jacksonville

vie. 11/14

8:34 am-9:07 am

2 stops25h 33m

$246

MolineJacksonville

MLI - JAX

MLIJAX

Moline Quad-City

dom. 2/1

5:06 pm-11:59 pm

1 stop5h 53m

Jacksonville

mar. 2/10

6:58 pm-10:32 pm

1 stop4h 34m

$259

MolineJacksonville

MLI - JAX

MLIJAX

Moline Quad-City

dom. 2/1

3:45 pm-9:54 pm

1 stop5h 09m

Jacksonville

mar. 2/10

6:35 am-4:54 pm

2 stops11h 19m

$264

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

mié. 12/3

8:25 am-5:35 pm

2 stops8h 10m

Jacksonville

mié. 12/10

11:50 am-3:50 pm

1 stop5h 00m

$264

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

sáb. 1/31

8:45 am-11:45 am

Nonstop2h 00m

Jacksonville

jue. 2/5

7:35 am-8:55 am

Nonstop2h 20m

$271

MolineJacksonville

MLI - JAX

MLIJAX

Moline Quad-City

vie. 4/24

5:42 pm-11:10 pm

1 stop4h 28m

Jacksonville

lun. 4/27

11:17 am-5:07 pm

1 stop6h 50m

$276

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 $314.

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

According to our data, Thursday is the cheapest day to fly to Jacksonville from Illinois. The lowest ticket price found for a Thursday departure recently was $376. 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 $423.

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 $323 when looking at flights departing at noon. Flights to Jacksonville are more costly in the evening, with an average ticket price of $429. 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 $374 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 $329 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?

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

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

$157

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Jacksonville

1 airport
The best one-way flight to Jacksonville from Illinois in the past 72 hours is $157. The best round-trip flight deal from Illinois to Jacksonville found on momondo in the last 72 hours is $106.
The fastest flight from Illinois to Jacksonville takes 1h 55m
Direct flights go from Illinois to Jacksonville every day.
There is 1 airport near Jacksonville: 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
7.2
697 reviews
Search Allegiant Air flights
FrontierPriceFrom $112Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
DeltaPriceFrom $144Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $149Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $198Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
JetBluePriceFrom $265Free CancellationRating
7.2
2,907 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
Ponte Vedra Beach
Kingsland
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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