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Cheap flights from Utah to Illinois from $56

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 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Utah to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:01 pm - 3:53 pm
SLC
-
STL
18h 52m
1 stop
Frontier Logo
2:51 pm - 8:44 am
STL
-
SLC
18h 53m
1 stop
$165Frontier
Tue, Feb 24 - Sat, Feb 28
Frontier Logo
8:00 am - 3:53 pm
SLC
-
STL
6h 53m
1 stop
Frontier Logo
8:12 pm - 6:55 am
STL
-
SLC
11h 43m
1 stop
$167Frontier
Wed, Mar 4 - Sat, Mar 7
Multiple Airlines Logo
7:02 pm - 5:31 am
SLC
-
ORD
9h 29m
1 stop
Multiple Airlines Logo
4:55 pm - 8:01 am
ORD
-
SLC
16h 06m
2 stops
$170Multiple Airlines
Tue, May 5 - Sat, May 9
Multiple Airlines Logo
10:40 pm - 5:41 pm
SLC
-
ORD
18h 01m
1 stop
Multiple Airlines Logo
8:53 pm - 8:52 am
ORD
-
SLC
12h 59m
1 stop
$182Multiple Airlines
Fri, May 1 - Sun, May 3
United Airlines Logo
11:20 am - 8:23 pm
SGU
-
ORD
8h 03m
1 stop
United Airlines Logo
7:00 am - 4:06 pm
ORD
-
SGU
10h 06m
1 stop
$258United Airlines
Thu, Mar 5 - Sun, Mar 8
American Airlines Logo
4:38 pm - 12:32 am
SGU
-
ORD
6h 54m
1 stop
American Airlines Logo
5:00 am - 11:29 am
ORD
-
SGU
7h 29m
1 stop
$262American Airlines
Tue, Apr 7 - Sat, Apr 11
United Airlines Logo
12:55 pm - 8:56 pm
SLC
-
MLI
7h 01m
1 stop
United Airlines Logo
3:47 pm - 10:45 pm
MLI
-
SLC
7h 58m
1 stop
$271United Airlines
Tue, May 12 - Tue, May 19
American Airlines Logo
4:38 pm - 12:32 am
SGU
-
ORD
6h 54m
1 stop
American Airlines Logo
8:10 am - 4:07 pm
ORD
-
SGU
8h 57m
2 stops
$303American Airlines
Tue, Apr 7 - Sat, Apr 11
Delta Logo
5:50 am - 6:14 pm
SGU
-
MDW
11h 24m
2 stops
Delta Logo
9:23 am - 6:35 pm
MDW
-
SGU
10h 12m
2 stops
$739Delta
Wed, May 27 - Wed, Jun 3
Delta Logo
5:50 am - 4:14 pm
SGU
-
MDW
9h 24m
2 stops
Delta Logo
1:49 pm - 11:56 pm
MDW
-
SGU
11h 07m
2 stops
$963Delta
Sat, Feb 21 - Wed, Feb 25

United Airlines flights from Utah to Illinois

Our best United Airlines deals on Utah to Illinois flight tickets
United Airlines
Mar 5
SGU11:20 amSaint George
8h 03m
1 stop
ORD8:23 pmChicago O'Hare Intl
Mar 8
ORD7:00 amChicago O'Hare Intl
10h 06m
1 stop
SGU4:06 pmSaint George
$258
United Airlines
May 12
SLC12:55 pmSalt Lake City
7h 01m
1 stop
MLI8:56 pmMoline Quad-City
May 19
MLI3:47 pmMoline Quad-City
7h 58m
1 stop
SLC10:45 pmSalt Lake City
$271
United Airlines
May 12
SLC12:55 pmSalt Lake City
8h 50m
2 stops
MLI10:45 pmMoline Quad-City
May 19
MLI3:47 pmMoline Quad-City
7h 58m
1 stop
SLC10:45 pmSalt Lake City
$276

American Airlines flights from Utah to Illinois

Our best American Airlines deals on Utah to Illinois flight tickets
American Airlines
Apr 7
SGU4:38 pmSaint George
6h 54m
1 stop
ORD12:32 amChicago O'Hare Intl
Apr 11
ORD5:00 amChicago O'Hare Intl
7h 29m
1 stop
SGU11:29 amSaint George
$262
American Airlines
Apr 7
SGU4:38 pmSaint George
6h 54m
1 stop
ORD12:32 amChicago O'Hare Intl
Apr 11
ORD8:10 amChicago O'Hare Intl
8h 57m
2 stops
SGU4:07 pmSaint George
$303
American Airlines
Mar 6
SLC5:11 pmSalt Lake City
5h 26m
1 stop
MLI11:37 pmMoline Quad-City
Mar 8
MLI12:40 pmMoline Quad-City
10h 36m
1 stop
SLC10:16 pmSalt Lake City
$314

momondo Fare Finder

 
Customize your flight search to find flights from Utah to Illinois 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 February 8, 2026.
Use the filters below to find and compare flights from Utah to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 2/24

8:01 pm-3:53 pm

1 stop18h 52m

Lambert-St Louis

Sat 2/28

2:51 pm-8:44 am

1 stop18h 53m

$165

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 3/4

8:00 am-3:53 pm

1 stop6h 53m

Lambert-St Louis

Sat 3/7

8:12 pm-6:55 am

1 stop11h 43m

$167

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Tue 5/5

7:02 pm-5:31 am

1 stop9h 29m

Chicago O'Hare Intl

Sat 5/9

4:55 pm-8:01 am

2 stops16h 06m

$170

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Fri 5/1

10:40 pm-5:41 pm

1 stop18h 01m

Chicago O'Hare Intl

Sun 5/3

8:53 pm-8:52 am

1 stop12h 59m

$182

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Thu 3/5

11:20 am-8:23 pm

1 stop8h 03m

Chicago O'Hare Intl

Sun 3/8

7:00 am-4:06 pm

1 stop10h 06m

$258

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Tue 4/7

4:38 pm-12:32 am

1 stop6h 54m

Chicago O'Hare Intl

Sat 4/11

5:00 am-11:29 am

1 stop7h 29m

$262

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Tue 5/12

12:55 pm-8:56 pm

1 stop7h 01m

Moline Quad-City

Tue 5/19

3:47 pm-10:45 pm

1 stop7h 58m

$271

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Tue 4/7

4:38 pm-12:32 am

1 stop6h 54m

Chicago O'Hare Intl

Sat 4/11

8:10 am-4:07 pm

2 stops8h 57m

$303

Saint GeorgeChicago

SGU - MDW

SGUMDW

Saint George

Wed 5/27

5:50 am-6:14 pm

2 stops11h 24m

Chicago Midway

Wed 6/3

9:23 am-6:35 pm

2 stops10h 12m

$739

Saint GeorgeChicago

SGU - MDW

SGUMDW

Saint George

Sat 2/21

5:50 am-4:14 pm

2 stops9h 24m

Chicago Midway

Wed 2/25

1:49 pm-11:56 pm

2 stops11h 07m

$963

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 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?

The cheapest month to fly to Illinois from Utah is in September. Flight prices, which tend to average around $284, 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 $288.

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

The cheapest day to depart from Utah to Illinois is on a Thursday when prices can be found for as low as $490. Flights from Utah to Illinois on a Sunday will generally be more expensive and average around $616. 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 $190. Flights in the afternoon are often more expensive with an average ticket price of $544.

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 $400 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 $297 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 13% 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

$236

Fastest flight time

2h 45m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Utah in the past 72 hours is $236. The best round-trip flight deal from Utah to Illinois found on momondo in the last 72 hours is $415.
The fastest flight from Utah to Illinois takes 2h 45m
Direct flights go from Utah to Illinois every day.
There are 98 airports in Illinois. From Utah there are direct flights to 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?

  • 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?

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
FrontierPriceFrom $65Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $75Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $90Free CancellationRating
7.2
711 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $168Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
DeltaPriceFrom $204Free CancellationRating
7.9
8,174 reviews
Search Delta flights
American AirlinesPriceFrom $227Free CancellationRating
7.2
11,255 reviews
Search American Airlines flights
SouthwestPriceFrom $290Free CancellationRating
8.0
4,281 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

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