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Cheap flights from Utah to Illinois from $61

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 2/11. 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 Utah to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:18 pm - 2:48 pm
SLC
-
STL
23h 30m1 stop
Frontier Logo
7:36 pm - 12:34 am
STL
-
SLC
5h 58m1 stop
$139Frontier
Tue, Jan 13 - Mon, Jan 19
Frontier Logo
9:31 pm - 6:32 pm
SLC
-
STL
20h 01m1 stop
Frontier Logo
3:43 pm - 10:55 am
STL
-
SLC
20h 12m1 stop
$146Frontier
Thu, Jan 15 - Sat, Jan 17
Frontier Logo
2:18 pm - 2:48 pm
SLC
-
STL
23h 30m1 stop
Frontier Logo
8:32 pm - 11:39 pm
STL
-
SLC
28h 07m2 stops
$180Frontier
Tue, Jan 13 - Mon, Jan 19
American Airlines Logo
6:56 am - 2:16 pm
SLC
-
ORD
6h 20m1 stop
American Airlines Logo
5:37 pm - 11:07 pm
ORD
-
SLC
6h 30m1 stop
$238American Airlines
Sat, Jan 31 - Sat, Jan 31
American Airlines Logo
6:30 am - 10:54 am
SLC
-
ORD
3h 24mnonstop
American Airlines Logo
11:56 am - 5:28 pm
ORD
-
SLC
6h 32m1 stop
$239American Airlines
Sat, Jan 10 - Sat, Jan 10
United Airlines Logo
12:43 pm - 9:26 pm
SLC
-
PIA
7h 43m1 stop
United Airlines Logo
5:25 pm - 11:04 pm
PIA
-
SLC
6h 39m1 stop
$279United Airlines
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
5:10 am - 2:10 pm
SLC
-
PIA
8h 00m2 stops
United Airlines Logo
5:25 pm - 11:04 pm
PIA
-
SLC
6h 39m1 stop
$284United Airlines
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
9:31 pm - 5:05 pm
SLC
-
PIA
42h 34m2 stops
Multiple Airlines Logo
7:51 pm - 9:27 am
PIA
-
SLC
14h 36m1 stop
$301Multiple Airlines
Thu, Jan 15 - Sun, Feb 1
Delta Logo
5:50 am - 4:43 pm
SGU
-
ORD
9h 53m2 stops
Delta Logo
1:56 pm - 9:53 pm
ORD
-
SGU
8h 57m2 stops
$639Delta
Wed, Mar 11 - Mon, Mar 16
Delta Logo
9:30 am - 10:22 pm
SGU
-
MDW
11h 52m2 stops
Delta Logo
9:32 am - 6:32 pm
MDW
-
SGU
10h 00m2 stops
$1,610Delta
Thu, Jan 1 - Mon, Jan 5

American Airlines flights from Utah to Illinois

Our best American Airlines deals on Utah to Illinois flight tickets
American Airlines
Jan 31
SLC6:56 amSalt Lake City
6h 20m
1 stop
ORD2:16 pmChicago O'Hare Intl
Jan 31
ORD5:37 pmChicago O'Hare Intl
6h 30m
1 stop
SLC11:07 pmSalt Lake City
$238
Find similar
American Airlines
Jan 17
SLC8:33 pmSalt Lake City
8h 28m
1 stop
ORD6:01 amChicago O'Hare Intl
Jan 18
ORD9:11 amChicago O'Hare Intl
11h 04m
1 stop
SLC7:15 pmSalt Lake City
$279
Find similar
American Airlines
Feb 19
SLC1:43 pmSalt Lake City
8h 16m
1 stop
MLI10:59 pmMoline Quad-City
Feb 22
MLI1:59 pmMoline Quad-City
8h 33m
1 stop
SLC9:32 pmSalt Lake City
$319
Find similar

Alaska Airlines flights from Utah to Illinois

Our best Alaska Airlines deals on Utah to Illinois flight tickets
Alaska Airlines
Feb 6
SLC6:16 pmSalt Lake City
19h 13m
1 stop
ORD2:29 pmChicago O'Hare Intl
Feb 8
ORD3:35 pmChicago O'Hare Intl
19h 56m
2 stops
SLC10:31 amSalt Lake City
$288
Find similar
Alaska Airlines
Feb 6
SLC8:20 amSalt Lake City
14h 30m
2 stops
ORD11:50 pmChicago O'Hare Intl
Feb 8
ORD3:35 pmChicago O'Hare Intl
19h 56m
2 stops
SLC10:31 amSalt Lake City
$293
Find similar
Alaska Airlines
Jan 13
SLC3:40 pmSalt Lake City
21h 49m
2 stops
ORD2:29 pmChicago O'Hare Intl
Jan 20
ORD9:00 amChicago O'Hare Intl
12h 44m
1 stop
SLC8:44 pmSalt Lake City
$295
Find similar

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 December 18, 2025.
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 1/13

2:18 pm-2:48 pm

1 stop23h 30m

Lambert-St Louis

Mon 1/19

7:36 pm-12:34 am

1 stop5h 58m

$139

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 1/15

9:31 pm-6:32 pm

1 stop20h 01m

Lambert-St Louis

Sat 1/17

3:43 pm-10:55 am

1 stop20h 12m

$146

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 1/13

2:18 pm-2:48 pm

1 stop23h 30m

Lambert-St Louis

Mon 1/19

8:32 pm-11:39 pm

2 stops28h 07m

$180

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Sat 1/31

6:56 am-2:16 pm

1 stop6h 20m

Chicago O'Hare Intl

Sat 1/31

5:37 pm-11:07 pm

1 stop6h 30m

$238

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Sat 1/10

6:30 am-10:54 am

Nonstop3h 24m

Chicago O'Hare Intl

Sat 1/10

11:56 am-5:28 pm

1 stop6h 32m

$239

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Thu 2/19

12:43 pm-9:26 pm

1 stop7h 43m

Greater Peoria

Sun 2/22

5:25 pm-11:04 pm

1 stop6h 39m

$279

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Thu 2/19

5:10 am-2:10 pm

2 stops8h 00m

Greater Peoria

Sun 2/22

5:25 pm-11:04 pm

1 stop6h 39m

$284

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Thu 1/15

9:31 pm-5:05 pm

2 stops42h 34m

Greater Peoria

Sun 2/1

7:51 pm-9:27 am

1 stop14h 36m

$301

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Wed 3/11

5:50 am-4:43 pm

2 stops9h 53m

Chicago O'Hare Intl

Mon 3/16

1:56 pm-9:53 pm

2 stops8h 57m

$639

Saint GeorgeChicago

SGU - MDW

SGUMDW

Saint George

Thu 1/1

9:30 am-10:22 pm

2 stops11h 52m

Chicago Midway

Mon 1/5

9:32 am-6:32 pm

2 stops10h 00m

$1,610

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 January. Flight prices, which tend to average around $279, 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 January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $284.

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 $493. Flights from Utah to Illinois on a Sunday will generally be more expensive and average around $656. 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 morning are often more expensive with an average ticket price of $543.

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 $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 $301 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 24% 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

$209

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 $209. The best round-trip flight deal from Utah to Illinois found on momondo in the last 72 hours is $449.
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 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?

  • 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 $88Free CancellationRating
5.8
3,082 reviews
Search Frontier flights
Allegiant AirPriceFrom $90Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
Spirit AirlinesPriceFrom $93Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $181Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $209Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
DeltaPriceFrom $227Free CancellationRating
7.9
8,006 reviews
Search Delta flights
SouthwestPriceFrom $290Free CancellationRating
7.9
4,249 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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