What airlines fly to Illinois?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from Jacksonville according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Jacksonville to Illinois?

United Airlines, Frontier, and American Airlines are the most popular carriers operating from Jacksonville to Illinois

How many flights depart from Jacksonville to Illinois on average per day?

As of September 2025, there are 19 flights per day flying from Jacksonville to Illinois. The most common time of day flights depart is 11:00AM, with 59% of flights taking off at noon.

How many flights depart from Jacksonville to Illinois on average per week?

137 flights are operational weekly from Jacksonville to Illinois as of September 2025. The most popular departure day for this route is Sun, with 20% of flights per week taking off on this day.

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?

The number of operators available for flights from Jacksonville Airport to Illinois is 5 as of September 2025.

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.

$71 Cheap Flights from Jacksonville to Illinois in 2025/26

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Find the cheapest flights from Jacksonville to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:54 am - 6:57 pmJAX-STL

8h 03m1 stop

6:15 am - 3:34 pmSTL-JAX

8h 19m1 stop

$151United Airlines

Find Deal

Fri, Oct 24 - Mon, Oct 27

5:57 pm - 11:54 pmJAX-STL

6h 57m1 stop

4:34 pm - 10:38 pmSTL-JAX

5h 04m1 stop

$159American Airlines

Find Deal

Fri, Oct 24 - Mon, Oct 27

5:10 am - 8:05 amJAX-STL

3h 55m1 stop

6:00 am - 10:22 amSTL-JAX

3h 22m1 stop

$177Delta

Find Deal

Thu, Oct 9 - Sun, Oct 12

12:38 pm - 3:58 pmJAX-MDW

4h 20m1 stop

6:20 am - 11:43 amMDW-JAX

4h 23m1 stop

$189Frontier

Find Deal

Thu, Sep 25 - Sun, Sep 28

12:38 pm - 11:20 pmJAX-ORD

11h 42m2 stops

12:22 pm - 11:43 amORD-JAX

22h 21m1 stop

$190Frontier

Find Deal

Thu, Sep 25 - Sat, Sep 27

8:10 pm - 11:40 pmJAX-STL

4h 30m1 stop

6:30 am - 1:20 pmSTL-JAX

5h 50m1 stop

$193Delta

Find Deal

Thu, Feb 19 - Mon, Feb 23

3:50 pm - 11:58 pmJAX-STL

9h 08m1 stop

7:00 am - 2:33 pmSTL-JAX

6h 33m1 stop

$221United Airlines

Find Deal

Thu, Feb 19 - Mon, Feb 23

8:26 pm - 11:53 pmJAX-ORD

4h 27m1 stop

6:59 pm - 10:33 pmORD-JAX

2h 34mnonstop

$224American Airlines

Find Deal

Thu, Oct 9 - Sat, Oct 11

8:15 pm - 9:25 pmJAX-STL

2h 10mnonstop

8:15 pm - 11:10 pmSTL-JAX

1h 55mnonstop

$237Southwest

Find Deal

Mon, Oct 13 - Mon, Oct 20

3:50 pm - 5:15 pmJAX-MDW

2h 25mnonstop

11:05 am - 2:20 pmMDW-JAX

2h 15mnonstop

$254Southwest

Find Deal

Fri, Nov 14 - Sun, Nov 16

United Airlines flights from Jacksonville to Illinois

Our best United Airlines deals on Jacksonville to Illinois flight tickets

United Airlines

Oct 24

JAX11:54 amJacksonville

8h 03m

1 stop

STL6:57 pmLambert-St Louis

Oct 27

STL6:15 amLambert-St Louis

8h 19m

1 stop

JAX3:34 pmJacksonville

$151

Find similar

United Airlines

Feb 19

JAX3:50 pmJacksonville

9h 08m

1 stop

STL11:58 pmLambert-St Louis

Feb 23

STL7:00 amLambert-St Louis

6h 33m

1 stop

JAX2:33 pmJacksonville

$221

Find similar

United Airlines

Dec 5

JAX8:10 amJacksonville

7h 13m

1 stop

STL2:23 pmLambert-St Louis

Dec 7

STL8:00 amLambert-St Louis

11h 10m

2 stops

JAX8:10 pmJacksonville

$226

Find similar

Frontier flights from Jacksonville to Illinois

Our best Frontier deals on Jacksonville to Illinois flight tickets

Frontier

Sep 25

JAX12:38 pmJacksonville

4h 20m

1 stop

MDW3:58 pmChicago Midway

Sep 28

MDW6:20 amChicago Midway

4h 23m

1 stop

JAX11:43 amJacksonville

$189

Find similar

Frontier

Sep 25

JAX12:38 pmJacksonville

11h 42m

2 stops

ORD11:20 pmChicago O'Hare Intl

Sep 27

ORD12:22 pmChicago O'Hare Intl

22h 21m

1 stop

JAX11:43 amJacksonville

$190

Find similar

Frontier

Sep 25

JAX12:38 pmJacksonville

4h 20m

1 stop

MDW3:58 pmChicago Midway

Sep 28

MDW6:20 amChicago Midway

4h 23m

1 stop

JAX11:43 amJacksonville

$192

Find similar

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Fri 10/24

11:54 am-6:57 pm

1 stop8h 03m

Lambert-St Louis

Mon 10/27

6:15 am-3:34 pm

1 stop8h 19m

$151

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Fri 10/24

5:57 pm-11:54 pm

1 stop6h 57m

Lambert-St Louis

Mon 10/27

4:34 pm-10:38 pm

1 stop5h 04m

$159

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 10/9

5:10 am-8:05 am

1 stop3h 55m

Lambert-St Louis

Sun 10/12

6:00 am-10:22 am

1 stop3h 22m

$177

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Thu 9/25

12:38 pm-3:58 pm

1 stop4h 20m

Chicago Midway

Sun 9/28

6:20 am-11:43 am

1 stop4h 23m

$189

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Thu 9/25

12:38 pm-11:20 pm

2 stops11h 42m

Chicago O'Hare Intl

Sat 9/27

12:22 pm-11:43 am

1 stop22h 21m

$190

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 2/19

8:10 pm-11:40 pm

1 stop4h 30m

Lambert-St Louis

Mon 2/23

6:30 am-1:20 pm

1 stop5h 50m

$193

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 2/19

3:50 pm-11:58 pm

1 stop9h 08m

Lambert-St Louis

Mon 2/23

7:00 am-2:33 pm

1 stop6h 33m

$221

JacksonvilleChicago

JAX - ORD

JAXORD

Jacksonville

Thu 10/9

8:26 pm-11:53 pm

1 stop4h 27m

Chicago O'Hare Intl

Sat 10/11

6:59 pm-10:33 pm

Nonstop2h 34m

$224

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Mon 10/13

8:15 pm-9:25 pm

Nonstop2h 10m

Lambert-St Louis

Mon 10/20

8:15 pm-11:10 pm

Nonstop1h 55m

$237

JacksonvilleChicago

JAX - MDW

JAXMDW

Jacksonville

Fri 11/14

3:50 pm-5:15 pm

Nonstop2h 25m

Chicago Midway

Sun 11/16

11:05 am-2:20 pm

Nonstop2h 15m

$254

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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

Prices

Airlines

Other information

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 $289, 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 August is also cheap. Prices for this month can be found on momondo for an average of $293.

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 $423. Flights from Jacksonville to Illinois on a Sunday will generally be more expensive and average around $680. 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 at noon. Flights from Jacksonville to Illinois during this time can be as low as $354. Flights in the morning are often more expensive with an average ticket price of $479.

What is the cheapest Jacksonville to Illinois flight route?

Fly from Jacksonville to Chicago Midway for the best Jacksonville - Illinois flight prices

How far in advance should I book a flight 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 $371 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 $278 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	$176
Fastest flight time	2h 10m
Direct flights	Every day
Airports in Illinois	2 airports

The best one-way flight to Illinois from Jacksonville in the past 72 hours is $176. The best round-trip flight deal from Jacksonville to Illinois found on momondo in the last 72 hours is $282.

The fastest flight from Jacksonville to Illinois takes 2h 10m

Direct flights go from Jacksonville to Illinois every day.

There are 2 airports near Illinois: Chicago Midway (MDW), Lambert-St Louis (STL)

Search flight deals

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?
The number of operators available for flights from Jacksonville Airport to Illinois is 5 as of September 2025.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Jacksonville to Illinois is Airbus A319 (27.84% of total bookings). The next most popular plane models are Boeing 737-800 (26.94%), Boeing 737-700 (11.17%), and Embraer 175 (Enhanced Winglets) (7.60%).

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
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
Frontier	PriceFrom $145	Free Cancellation	Rating 5.8 3,172 reviews	Search Frontier flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $207	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $223	Free Cancellation	Rating 7.4 8,929 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.

An easier way to manage your Illinois 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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Find better results for your trip to Illinois

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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 10/30. 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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Filter for what you want

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Find the cheapest flights from Jacksonville to Illinois

Cheap round-trip flights

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United Airlines flights from Jacksonville to Illinois

Our best United Airlines deals on Jacksonville to Illinois flight tickets

Frontier flights from Jacksonville to Illinois

Our best Frontier deals on Jacksonville to Illinois flight tickets

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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?

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

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 at noon. Flights from Jacksonville to Illinois during this time can be as low as $354. Flights in the morning are often more expensive with an average ticket price of $479.

What is the cheapest Jacksonville to Illinois flight route?

Fly from Jacksonville to Chicago Midway for the best Jacksonville - Illinois flight prices

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

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.

What is the cheapest airline that flies from Jacksonville to Illinois?

United Airlines, Frontier, and American Airlines are the most popular carriers operating from Jacksonville to Illinois

What airlines fly to Illinois?

How many flights depart from Jacksonville to Illinois on average per day?

As of September 2025, there are 19 flights per day flying from Jacksonville to Illinois. The most common time of day flights depart is 11:00AM, with 59% of flights taking off at noon.

How many flights depart from Jacksonville to Illinois on average per week?

137 flights are operational weekly from Jacksonville to Illinois as of September 2025. The most popular departure day for this route is Sun, with 20% of flights per week taking off on this day.

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

Fastest flight time

Direct flights

Airports in Illinois

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

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?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Illinois 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo