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Cheap flights from Utah to Illinois from $63

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 9/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Utah to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:16 pm - 7:17 pmSLC  Salt Lake City-STL Lambert-St Louis
26h 01m1 stop Denver Intl
Frontier Logo
8:10 pm - 3:21 pmSTL  Lambert-St Louis-SLC Salt Lake City
20h 11m1 stop Denver Intl
$148Frontier
Tue, Sep 15 - Fri, Sep 18
Frontier Logo
11:40 am - 7:17 pmSLC  Salt Lake City-STL Lambert-St Louis
6h 37m1 stop Denver Intl
Frontier Logo
4:19 pm - 12:14 amSTL  Lambert-St Louis-SLC Salt Lake City
8h 55m1 stop Denver Intl
$158Frontier
Wed, Oct 7 - Wed, Oct 14
American Airlines Logo
3:32 pm - 8:00 pmSLC  Salt Lake City-ORD Chicago O'Hare Intl
3h 28mnonstop
American Airlines Logo
8:15 am - 10:58 amORD  Chicago O'Hare Intl-SLC Salt Lake City
3h 43mnonstop
$278American Airlines
Thu, Oct 15 - Mon, Oct 19
United Airlines Logo
4:17 pm - 8:40 pmSLC  Salt Lake City-ORD Chicago O'Hare Intl
3h 23mnonstop
United Airlines Logo
8:10 pm - 10:48 pmORD  Chicago O'Hare Intl-SLC Salt Lake City
3h 38mnonstop
$278United Airlines
Mon, Sep 21 - Fri, Sep 25
American Airlines Logo
6:14 am - 1:16 pmSLC  Salt Lake City-STL Lambert-St Louis
6h 02m1 stop Chicago O'Hare Intl
American Airlines Logo
10:12 am - 3:57 pmSTL  Lambert-St Louis-SLC Salt Lake City
6h 45m1 stop Dallas/Fort Worth
$279American Airlines
Thu, Oct 1 - Tue, Oct 6
Delta Logo
7:50 am - 11:59 amSLC  Salt Lake City-ORD Chicago O'Hare Intl
3h 09mnonstop
Delta Logo
7:48 am - 10:15 amORD  Chicago O'Hare Intl-SLC Salt Lake City
3h 27mnonstop
$282Delta
Tue, Sep 1 - Wed, Sep 2
Multiple Airlines Logo
9:28 pm - 10:01 amSLC  Salt Lake City-ORD Chicago O'Hare Intl
11h 33m1 stop Denver Intl
Multiple Airlines Logo
6:14 pm - 8:03 amORD  Chicago O'Hare Intl-SLC Salt Lake City
14h 49m2 stops Minneapolis St Paul Denver Intl
$283Multiple Airlines
Fri, Oct 16 - Sun, Oct 25
United Airlines Logo
4:15 pm - 8:38 pmSLC  Salt Lake City-ORD Chicago O'Hare Intl
3h 23mnonstop
United Airlines Logo
3:56 pm - 9:09 pmORD  Chicago O'Hare Intl-SLC Salt Lake City
6h 13m1 stop Denver Intl
$284United Airlines
Fri, Sep 4 - Wed, Sep 9
Multiple Airlines Logo
11:40 am - 12:23 amSLC  Salt Lake City-ORD Chicago O'Hare Intl
11h 43m1 stop Denver Intl
Multiple Airlines Logo
8:14 pm - 10:41 amORD  Chicago O'Hare Intl-SLC Salt Lake City
15h 27m2 stops Minneapolis St Paul Denver Intl
$284Multiple Airlines
Thu, Sep 17 - Sun, Sep 20
Delta Logo
3:10 pm - 9:34 pmSLC  Salt Lake City-ORD Chicago O'Hare Intl
5h 24m1 stop Minneapolis St Paul
Delta Logo
7:35 am - 10:15 amORD  Chicago O'Hare Intl-SLC Salt Lake City
3h 40mnonstop
$288Delta
Fri, Nov 13 - Tue, Nov 17

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Delta flights from Utah to Illinois

Our best Delta deals on Utah to Illinois flight tickets
Delta
Sep 1
SLC7:50 amSalt Lake City
3h 09m
ORD11:59 amChicago O'Hare Intl
Sep 2
ORD7:48 amChicago O'Hare Intl
3h 27m
SLC10:15 amSalt Lake City
$282
Delta
Oct 14
SLC5:50 pmSalt Lake City
3h 10m
ORD10:00 pmChicago O'Hare Intl
Oct 16
ORD7:00 amChicago O'Hare Intl
10h 40m
1 stop
SLC4:40 pmSalt Lake City
$288
Delta
Sep 5
SLC5:20 pmSalt Lake City
3h 13m
ORD9:33 pmChicago O'Hare Intl
Sep 12
ORD2:05 pmChicago O'Hare Intl
3h 35m
SLC4:40 pmSalt Lake City
$291

Alaska Airlines flights from Utah to Illinois

Our best Alaska Airlines deals on Utah to Illinois flight tickets
Alaska Airlines
Aug 17
SLC7:39 pmSalt Lake City
8h 21m
1 stop
ORD5:00 amChicago O'Hare Intl
Dec 4
ORD8:00 amChicago O'Hare Intl
7h 26m
1 stop
SLC2:26 pmSalt Lake City
$418
Alaska Airlines
Aug 25
SLC8:44 amSalt Lake City
7h 26m
1 stop
STL5:10 pmLambert-St Louis
Aug 28
STL6:35 amLambert-St Louis
9h 00m
1 stop
SLC2:35 pmSalt Lake City
$579
Alaska Airlines
Aug 24
SLC6:26 pmSalt Lake City
21h 44m
2 stops
STL5:10 pmLambert-St Louis
Aug 28
STL6:35 amLambert-St Louis
15h 24m
2 stops
SLC8:59 pmSalt Lake City
$643

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 August 13, 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

Cheapest round-trip

Salt Lake CitySt. Louis

SLC Salt Lake City - STL Lambert-St Louis

SLCSTL

Salt Lake City

Tue 9/15

4:16 pm-7:17 pm

1 stop26h 01m

Lambert-St Louis

Fri 9/18

8:10 pm-3:21 pm

1 stop20h 11m

$148

Salt Lake CitySt. Louis

SLC Salt Lake City - STL Lambert-St Louis

SLCSTL

Salt Lake City

Wed 10/7

11:40 am-7:17 pm

1 stop6h 37m

Lambert-St Louis

Wed 10/14

4:19 pm-12:14 am

1 stop8h 55m

$158

Salt Lake CityChicago

SLC Salt Lake City - ORD Chicago O'Hare Intl

SLCORD

Salt Lake City

Thu 10/15

3:32 pm-8:00 pm

Nonstop3h 28m

Chicago O'Hare Intl

Mon 10/19

8:15 am-10:58 am

Nonstop3h 43m

$278

Salt Lake CityChicago

SLC Salt Lake City - ORD Chicago O'Hare Intl

SLCORD

Salt Lake City

Mon 9/21

4:17 pm-8:40 pm

Nonstop3h 23m

Chicago O'Hare Intl

Fri 9/25

8:10 pm-10:48 pm

Nonstop3h 38m

$278

Salt Lake CitySt. Louis

SLC Salt Lake City - STL Lambert-St Louis

SLCSTL

Salt Lake City

Thu 10/1

6:14 am-1:16 pm

1 stop6h 02m

Lambert-St Louis

Tue 10/6

10:12 am-3:57 pm

1 stop6h 45m

$279
Quickest round-trip

Salt Lake CityChicago

SLC Salt Lake City - ORD Chicago O'Hare Intl

SLCORD

Salt Lake City

Tue 9/1

7:50 am-11:59 am

Nonstop3h 09m

Chicago O'Hare Intl

Wed 9/2

7:48 am-10:15 am

Nonstop3h 27m

$282

Salt Lake CityChicago

SLC Salt Lake City - ORD Chicago O'Hare Intl

SLCORD

Salt Lake City

Fri 10/16

9:28 pm-10:01 am

1 stop11h 33m

Chicago O'Hare Intl

Sun 10/25

6:14 pm-8:03 am

2 stops14h 49m

$283

Salt Lake CityChicago

SLC Salt Lake City - ORD Chicago O'Hare Intl

SLCORD

Salt Lake City

Fri 9/4

4:15 pm-8:38 pm

Nonstop3h 23m

Chicago O'Hare Intl

Wed 9/9

3:56 pm-9:09 pm

1 stop6h 13m

$284

Salt Lake CityChicago

SLC Salt Lake City - ORD Chicago O'Hare Intl

SLCORD

Salt Lake City

Thu 9/17

11:40 am-12:23 am

1 stop11h 43m

Chicago O'Hare Intl

Sun 9/20

8:14 pm-10:41 am

2 stops15h 27m

$284

Salt Lake CityChicago

SLC Salt Lake City - ORD Chicago O'Hare Intl

SLCORD

Salt Lake City

Fri 11/13

3:10 pm-9:34 pm

1 stop5h 24m

Chicago O'Hare Intl

Tue 11/17

7:35 am-10:15 am

Nonstop3h 40m

$288

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 $358, 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 $372.

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 $495. Flights from Utah to Illinois on a Sunday will generally be more expensive and average around $648. 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 morning. Flights from Utah to Illinois during this time can be as low as $517. Flights in the evening are often more expensive with an average ticket price of $626.

What is the cheapest Utah to Illinois flight route?

Fly from Salt Lake City to Chicago O'Hare Intl for the best Utah - Illinois flight prices

How far in advance should I book a flight from Utah 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 $439 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 $344 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?

No. A direct flight is the cheapest option for a flight between 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

$239

Fastest flight time

2h 48m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Utah in the past 72 hours is $239. The best round-trip flight deal from Utah to Illinois found on momondo in the last 72 hours is $367.
The fastest flight from Utah to Illinois takes 2h 48m
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

Frequently asked questions about flying from Utah to Illinois

  • 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 $144Free CancellationRating
5.6
2,697 reviews
Search Frontier flights
DeltaPriceFrom $237Free CancellationRating
7.8
8,502 reviews
Search Delta flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
10,112 reviews
Search United Airlines flights
American AirlinesPriceFrom $254Free CancellationRating
7.1
11,923 reviews
Search American Airlines flights
SouthwestPriceFrom $333Free CancellationRating
8.0
4,219 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

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Find better results for your trip to Illinois

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