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

Frontier is the most popular carrier operating from Utah to Illinois

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 02m on average. If you fly from Moab (another popular airport in Utah) to Chicago O'Hare Intl Airport, then the average flight time is 5h 28m.

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

The number of flights available between Utah and Illinois is 237 per week as of September 2025. The most frequent departure day is Thu, with 16% of weekly flights leaving on this day.

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

As of September 2025, 33 flights take off from Utah and land in Illinois each day. The most common flight departure time for this route is 5:00PM, with 67% of daily flights taking off in the afternoon.

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 35% 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.

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 September 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.

$46 Cheap Flights from Utah to Illinois in 2025/26

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Find the cheapest flights from Utah to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:58 pm - 9:32 amSLC-STL

11h 34m1 stop

1:09 pm - 7:00 pmSTL-SLC

6h 51m1 stop

$144Frontier

Find Deal

Sun, Oct 26 - Fri, Oct 31

1:42 pm - 9:06 amSLC-STL

18h 24m1 stop

7:55 pm - 7:32 amSTL-SLC

12h 37m1 stop

$156Frontier

Find Deal

Wed, Oct 1 - Sat, Oct 4

7:00 am - 4:28 pmSLC-MLI

8h 28m1 stop

5:08 pm - 12:01 amMLI-SLC

7h 53m1 stop

$259Delta

Find Deal

Tue, Nov 11 - Tue, Nov 18

9:40 am - 9:05 pmSLC-MLI

10h 25m2 stops

5:20 pm - 10:31 pmMLI-SLC

6h 11m1 stop

$264United Airlines

Find Deal

Sat, Oct 25 - Sat, Nov 1

3:20 pm - 9:55 pmSGU-ORD

5h 35m1 stop

9:30 am - 6:35 pmORD-SGU

10h 05m2 stops

$289Delta

Find Deal

Sat, Feb 28 - Tue, Mar 3

4:08 pm - 10:15 pmSLC-PIA

5h 07m1 stop

3:56 pm - 10:25 pmPIA-SLC

7h 29m1 stop

$289United Airlines

Find Deal

Wed, Oct 1 - Sun, Oct 5

4:07 pm - 11:21 pmSLC-MLI

6h 14m1 stop

6:47 pm - 11:59 pmMLI-SLC

6h 12m1 stop

$299American Airlines

Find Deal

Fri, Nov 7 - Sun, Nov 9

8:47 pm - 5:05 amSGU-ORD

7h 18m1 stop

3:19 pm - 10:39 pmORD-SGU

8h 20m1 stop

$338American Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

10:50 am - 4:55 pmSLC-STL

5h 05m1 stop

6:00 am - 10:50 amSTL-SLC

5h 50m1 stop

$343Southwest

Find Deal

Sat, Jan 31 - Tue, Feb 3

5:30 am - 1:20 pmSLC-STL

6h 50m1 stop

1:45 pm - 8:25 pmSTL-SLC

7h 40m2 stops

$353Southwest

Find Deal

Wed, Nov 5 - Sat, Nov 8

Delta flights from Utah to Illinois

Our best Delta deals on Utah to Illinois flight tickets

Delta

Nov 11

SLC7:00 amSalt Lake City

8h 28m

1 stop

MLI4:28 pmMoline Quad-City

Nov 15

MLI6:00 amMoline Quad-City

9h 10m

1 stop

SLC2:10 pmSalt Lake City

$259

Find similar

Delta

Feb 28

SGU3:20 pmSaint George

5h 35m

1 stop

ORD9:55 pmChicago O'Hare Intl

Mar 3

ORD9:30 amChicago O'Hare Intl

10h 05m

2 stops

SGU6:35 pmSaint George

$289

Find similar

Delta

Nov 11

SLC7:00 amSalt Lake City

8h 28m

1 stop

MLI4:28 pmMoline Quad-City

Nov 20

MLI5:08 pmMoline Quad-City

7h 53m

1 stop

SLC12:01 amSalt Lake City

$309

Find similar

Frontier flights from Utah to Illinois

Our best Frontier deals on Utah to Illinois flight tickets

Frontier

Oct 26

SLC8:58 pmSalt Lake City

11h 34m

1 stop

STL9:32 amLambert-St Louis

Oct 31

STL1:09 pmLambert-St Louis

6h 51m

1 stop

SLC7:00 pmSalt Lake City

$144

Find similar

Frontier

Oct 1

SLC1:42 pmSalt Lake City

18h 24m

1 stop

STL9:06 amLambert-St Louis

Oct 4

STL7:55 pmLambert-St Louis

12h 37m

1 stop

SLC7:32 amSalt Lake City

$156

Find similar

Frontier

Nov 6

SLC12:30 pmSalt Lake City

10h 45m

1 stop

ORD12:15 amChicago O'Hare Intl

Nov 15

ORD7:15 amChicago O'Hare Intl

7h 04m

1 stop

SLC1:19 pmSalt Lake City

$168

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sun 10/26

8:58 pm-9:32 am

1 stop11h 34m

Lambert-St Louis

Fri 10/31

1:09 pm-7:00 pm

1 stop6h 51m

$144

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 10/1

1:42 pm-9:06 am

1 stop18h 24m

Lambert-St Louis

Sat 10/4

7:55 pm-7:32 am

1 stop12h 37m

$156

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Tue 11/11

7:00 am-4:28 pm

1 stop8h 28m

Moline Quad-City

Tue 11/18

5:08 pm-12:01 am

1 stop7h 53m

$259

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Sat 10/25

9:40 am-9:05 pm

2 stops10h 25m

Moline Quad-City

Sat 11/1

5:20 pm-10:31 pm

1 stop6h 11m

$264

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Sat 2/28

3:20 pm-9:55 pm

1 stop5h 35m

Chicago O'Hare Intl

Tue 3/3

9:30 am-6:35 pm

2 stops10h 05m

$289

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Wed 10/1

4:08 pm-10:15 pm

1 stop5h 07m

Greater Peoria

Sun 10/5

3:56 pm-10:25 pm

1 stop7h 29m

$289

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Fri 11/7

4:07 pm-11:21 pm

1 stop6h 14m

Moline Quad-City

Sun 11/9

6:47 pm-11:59 pm

1 stop6h 12m

$299

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Sat 2/28

8:47 pm-5:05 am

1 stop7h 18m

Chicago O'Hare Intl

Tue 3/3

3:19 pm-10:39 pm

1 stop8h 20m

$338

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 1/31

10:50 am-4:55 pm

1 stop5h 05m

Lambert-St Louis

Tue 2/3

6:00 am-10:50 am

1 stop5h 50m

$343

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 11/5

5:30 am-1:20 pm

1 stop6h 50m

Lambert-St Louis

Sat 11/8

1:45 pm-8:25 pm

2 stops7h 40m

$353

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 November. Flight prices, which tend to average around $240, 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 November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $252.

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 $482. Flights from Utah to Illinois on a Sunday will generally be more expensive and average around $675. 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 $186. Flights in the morning are often more expensive with an average ticket price of $557.

What is the cheapest Utah to Illinois flight route?

Fly from Provo 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 $374 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 $309 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 7% 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	$221
Fastest flight time	2h 46m
Direct flights	Every day
Airports in Illinois	3 airports

The best one-way flight to Illinois from Utah in the past 72 hours is $221. The best round-trip flight deal from Utah to Illinois found on momondo in the last 72 hours is $336.

The fastest flight from Utah to Illinois takes 2h 46m

Direct flights go from Utah to Illinois every day.

There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

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 September 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 21.45% of the total bookings. Other popular models include Airbus A319 with 18.09%, Boeing 737 MAX 8 with 8.49%, and Airbus A320-100/200 with 7.72%.

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
Allegiant Air	PriceFrom $90	Free Cancellation	Rating 7.2 699 reviews	Search Allegiant Air flights
Frontier	PriceFrom $92	Free Cancellation	Rating 5.8 3,171 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $93	Free Cancellation	Rating 6.3 8,030 reviews	Search Spirit Airlines flights
Delta	PriceFrom $174	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $185	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $200	Free Cancellation	Rating 8.0 4,242 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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Sat 10/18

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Find better results for your trip to Illinois

Popular cities in Illinois

Flights to New Yorkfrom $49

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Flights to Orlandofrom $60

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Flights to San Franciscofrom $53

Flights to Washington, D.C.from $49

Flights to Bostonfrom $73

Flights to Atlantafrom $51

Flights to Dallasfrom $56

Flights to Seattlefrom $86

Cheap flights from Utah to Illinois from $46

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 10/21. 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

Price Alerts

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

Delta flights from Utah to Illinois

Our best Delta deals on Utah to Illinois flight tickets

Frontier flights from Utah to Illinois

Our best Frontier 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.

See travel insights to Illinois from

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 $186. Flights in the morning are often more expensive with an average ticket price of $557.

What is the cheapest Utah to Illinois flight route?

Fly from Provo 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 7% on your flight if you consider stops on a Utah to Illinois flight.

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

Frontier is the most popular carrier operating from Utah to Illinois

What airlines fly to Illinois?

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

As of September 2025, 33 flights take off from Utah and land in Illinois each day. The most common flight departure time for this route is 5:00PM, with 67% 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 237 per week as of September 2025. The most frequent departure day is Thu, with 16% 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