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

Spirit Airlines and Frontier are the most popular carriers operating from Utah to Illinois

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

The number of flights available between Utah and Illinois is 220 per week as of July 2025. The most frequent departure day is Thu, with 19% of weekly flights leaving on this day.

What airlines fly to Illinois?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Illinois from Utah according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How long is the flight from Utah to Illinois?

The flight from Utah to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Salt Lake City (a popular airport in Utah) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 3h 03m on average. If you fly from Saint George (another popular airport in Utah) to Chicago O'Hare Intl Airport, then the average flight time is 5h 29m.

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

As of July 2025, 31 flights take off from Utah and land in Illinois each day. The most common flight departure time for this route is 5:00PM, with 61% of daily flights taking off in the afternoon.

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

Prices for flights from Utah to Illinois were last updated today.

How many operators does momondo search for flights from Utah to Illinois?

The number of operators available for flights from Utah to Illinois is 6 as of July 2025.

How old do you have to be to fly from Utah 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 Utah to Illinois.

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

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$64 Cheap Flights from Utah to Illinois in 2025

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Find the cheapest flights from Utah to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:34 pm - 4:49 amSLC-ORD

12h 15m1 stop

8:15 am - 5:52 pmORD-SLC

10h 37m1 stop

$120Spirit Airlines

Find Deal

Wed, Sep 17 - Mon, Sep 22

3:02 pm - 4:50 amSLC-ORD

12h 48m1 stop

6:00 am - 1:57 pmORD-SLC

8h 57m1 stop

$138Spirit Airlines

Find Deal

Wed, Aug 20 - Sat, Aug 23

1:42 pm - 9:06 amSLC-STL

18h 24m1 stop

7:55 pm - 12:46 pmSTL-SLC

17h 51m1 stop

$205Frontier

Find Deal

Tue, Sep 16 - Tue, Sep 23

1:25 pm - 8:40 pmSLC-STL

6h 15m1 stop

10:39 am - 3:45 pmSTL-SLC

6h 06m1 stop

$206Frontier

Find Deal

Fri, Sep 12 - Sun, Sep 14

4:59 pm - 11:38 pmSLC-MLI

5h 39m1 stop

5:40 pm - 10:56 pmMLI-SLC

6h 16m1 stop

$259American Airlines

Find Deal

Fri, Aug 29 - Fri, Sep 5

4:59 pm - 11:38 pmSLC-MLI

5h 39m1 stop

10:54 am - 9:39 pmMLI-SLC

11h 45m2 stops

$264American Airlines

Find Deal

Fri, Aug 29 - Fri, Sep 5

1:48 pm - 8:08 pmSGU-ORD

5h 20m1 stop

5:00 am - 9:56 amORD-SGU

5h 56m1 stop

$308United Airlines

Find Deal

Wed, Aug 13 - Sun, Aug 17

4:08 pm - 10:15 pmSLC-PIA

5h 07m1 stop

5:19 pm - 10:36 pmPIA-SLC

6h 17m1 stop

$339United Airlines

Find Deal

Wed, Aug 20 - Wed, Aug 27

10:57 am - 5:43 pmSLC-MDW

5h 46m1 stop

9:20 am - 2:39 pmMDW-SLC

6h 19m1 stop

$377Delta

Find Deal

Sat, Oct 11 - Sat, Oct 18

6:00 am - 12:28 pmSLC-MDW

5h 28m1 stop

4:25 pm - 12:55 amMDW-SLC

9h 30m1 stop

$392Delta

Find Deal

Thu, Aug 28 - Tue, Sep 2

Spirit Airlines flights from Utah to Illinois

Our best Spirit Airlines deals on Utah to Illinois flight tickets

Spirit Airlines

Sep 17

SLC3:34 pmSalt Lake City

12h 15m

1 stop

ORD4:49 amChicago O'Hare Intl

Sep 22

ORD8:15 amChicago O'Hare Intl

10h 37m

1 stop

SLC5:52 pmSalt Lake City

$120

Find similar

Spirit Airlines

Aug 20

SLC3:02 pmSalt Lake City

12h 48m

1 stop

ORD4:50 amChicago O'Hare Intl

Aug 23

ORD6:00 amChicago O'Hare Intl

8h 57m

1 stop

SLC1:57 pmSalt Lake City

$138

Find similar

Spirit Airlines

Aug 27

SLC3:02 pmSalt Lake City

12h 48m

1 stop

ORD4:50 amChicago O'Hare Intl

Sep 10

ORD9:00 amChicago O'Hare Intl

6h 29m

1 stop

SLC2:29 pmSalt Lake City

$142

Find similar

United Airlines flights from Utah to Illinois

Our best United Airlines deals on Utah to Illinois flight tickets

United Airlines

Aug 13

SGU1:48 pmSaint George

5h 20m

1 stop

ORD8:08 pmChicago O'Hare Intl

Aug 17

ORD5:00 amChicago O'Hare Intl

5h 56m

1 stop

SGU9:56 amSaint George

$308

Find similar

United Airlines

Aug 20

SLC4:08 pmSalt Lake City

5h 07m

1 stop

PIA10:15 pmGreater Peoria

Aug 27

PIA5:19 pmGreater Peoria

6h 17m

1 stop

SLC10:36 pmSalt Lake City

$339

Find similar

United Airlines

Aug 20

SLC4:08 pmSalt Lake City

5h 07m

1 stop

PIA10:15 pmGreater Peoria

Aug 27

PIA8:10 amGreater Peoria

10h 00m

2 stops

SLC5:10 pmSalt Lake City

$344

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Wed 9/17

3:34 pm-4:49 am

1 stop12h 15m

Chicago O'Hare Intl

Mon 9/22

8:15 am-5:52 pm

1 stop10h 37m

$120

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Wed 8/20

3:02 pm-4:50 am

1 stop12h 48m

Chicago O'Hare Intl

Sat 8/23

6:00 am-1:57 pm

1 stop8h 57m

$138

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 9/16

1:42 pm-9:06 am

1 stop18h 24m

Lambert-St Louis

Tue 9/23

7:55 pm-12:46 pm

1 stop17h 51m

$205

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 9/12

1:25 pm-8:40 pm

1 stop6h 15m

Lambert-St Louis

Sun 9/14

10:39 am-3:45 pm

1 stop6h 06m

$206

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Fri 8/29

4:59 pm-11:38 pm

1 stop5h 39m

Moline Quad-City

Fri 9/5

5:40 pm-10:56 pm

1 stop6h 16m

$259

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Fri 8/29

4:59 pm-11:38 pm

1 stop5h 39m

Moline Quad-City

Fri 9/5

10:54 am-9:39 pm

2 stops11h 45m

$264

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Wed 8/13

1:48 pm-8:08 pm

1 stop5h 20m

Chicago O'Hare Intl

Sun 8/17

5:00 am-9:56 am

1 stop5h 56m

$308

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Wed 8/20

4:08 pm-10:15 pm

1 stop5h 07m

Greater Peoria

Wed 8/27

5:19 pm-10:36 pm

1 stop6h 17m

$339

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Sat 10/11

10:57 am-5:43 pm

1 stop5h 46m

Chicago Midway

Sat 10/18

9:20 am-2:39 pm

1 stop6h 19m

$377

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Thu 8/28

6:00 am-12:28 pm

1 stop5h 28m

Chicago Midway

Tue 9/2

4:25 pm-12:55 am

1 stop9h 30m

$392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Utah 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 Utah is in August. Flight prices, which tend to average around $228, 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 August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $244.

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

The cheapest day to depart from Utah to Illinois is on a Friday when prices can be found for as low as $481. Flights from Utah to Illinois on a Sunday will generally be more expensive and average around $655. 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 Utah to Illinois during this time can be as low as $161. Flights in the morning are often more expensive with an average ticket price of $553.

What is the cheapest Utah to Illinois flight route?

Fly from Salt Lake City to Chicago Midway for the best Utah - 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 Utah when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $356 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Utah for as low as $274 on momondo.

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

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

You could potentially save up to 12% on your flight if you consider stops on a Utah to Illinois flight.

Cheap Utah to Illinois flight deals and tips

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

Best Price Found	$64
Fastest flight time	2h 47m
Direct flights	Every day
Airports in Illinois	5 airports

The best one-way flight to Illinois from Utah in the past 72 hours is $64. The best round-trip flight deal from Utah to Illinois found on momondo in the last 72 hours is $120.

The fastest flight from Utah to Illinois takes 2h 47m

Direct flights go from Utah to Illinois every day.

There are 5 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Greater Peoria (PIA), Lambert-St Louis (STL), Moline Quad-City (MLI)

Search flight deals

When did momondo last update prices for flights from Utah to Illinois?
Prices for flights from Utah to Illinois were last updated today.
How many operators does momondo search for flights from Utah to Illinois?
The number of operators available for flights from Utah to Illinois is 6 as of July 2025.
How old do you have to be to fly from Utah 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 Utah to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Utah to Illinois?
Based on momondo bookings for flights between Utah and Illinois, the leading plane model is Boeing 737-800, making up 19.87% of the total bookings. Other popular models include Airbus A319 with 12.90%, Airbus A320-100/200 with 12.72%, and Boeing 737-900 with 8.57%.

Best airlines flying from Utah to Illinois

Compare and see reviews for airlines that fly from Utah to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $80	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
Allegiant Air	PriceFrom $90	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
Spirit Airlines	PriceFrom $100	Free Cancellation	Rating 6.3 8,048 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $154	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $161	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $177	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Southwest	PriceFrom $200	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

Why use momondo?

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

It is quick and easy to find Utah to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

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

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

momondo helps you find the best flight between Utah 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 Utah to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Utah to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they 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

Popular cities in Illinois

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Flights to Orlandofrom $54

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Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

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Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from Utah to Illinois from $64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Utah to Illinois departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Utah to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Utah to Illinois

Our best Spirit Airlines deals on Utah to Illinois flight tickets

United Airlines flights from Utah to Illinois

Our best United Airlines deals on Utah to Illinois flight tickets

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Use the filters below to find and compare flights from Utah to Illinois that are best for you.

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How to get the cheapest flight ticket from Utah 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 in the evening. Flights from Utah to Illinois during this time can be as low as $161. Flights in the morning are often more expensive with an average ticket price of $553.

What is the cheapest Utah to Illinois flight route?

Fly from Salt Lake City to Chicago Midway for the best Utah - Illinois flight prices

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

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

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

You could potentially save up to 12% on your flight if you consider stops on a Utah to Illinois flight.

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

Spirit Airlines and Frontier are the most popular carriers operating from Utah to Illinois

What airlines fly to Illinois?

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

As of July 2025, 31 flights take off from Utah and land in Illinois each day. The most common flight departure time for this route is 5:00PM, with 61% of daily flights taking off in the afternoon.

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

The number of flights available between Utah and Illinois is 220 per week as of July 2025. The most frequent departure day is Thu, with 19% of weekly flights leaving on this day.

How long is the flight from Utah to Illinois?

Cheap Utah to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

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

How many operators does momondo search for flights from Utah to Illinois?

How old do you have to be to fly from Utah to Illinois?

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

What is the most popular plane model from Utah to Illinois?

Best airlines flying from Utah to Illinois

Compare and see reviews for airlines that fly from Utah to Illinois with momondo

Why use momondo?

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

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

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

I’m not ready to book a flight from Utah 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