HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Utah

$52+ Cheap flights from Illinois to Utah

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Utah with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Utah

Keep the following information in mind while searching for Illinois to Utah flight deals. Data was last updated November 17, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$124
(Expedia)

One-way from

$52
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$361

Good round-trip deal

$346 or less

Good one-way deal

$155 or less
Provider with most accurate pricing for Chicago (CHI)-Salt Lake City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Salt Lake City flights.
Search Deals
From Illinois to Utah
Search Deals
One-way flight from Illinois to Utah
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Utah.
Search Deals
Price to beat on a one-way flight from Illinois to Utah.
Search Deals

Find flight deals from Illinois to Utah

Cheapest flights from Illinois to Utah
Explore the most affordable flight options available from Illinois to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This Expedia deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:43 pmSTL - SLC
1 stop14h 44mFrontier
Sat 12/208:28 pmSLC - STL
1 stop23h 57mFrontier
Deal found 11/15$124
This Expedia deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:43 pmSTL - SLC
1 stop5h 24mFrontier
Sun 12/147:20 amSLC - STL
1 stop25h 54mFrontier
Deal found 11/15$128
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:43 pmSTL - SLC
1 stop14h 44mFrontier
Thu 12/116:32 pmSLC - STL
1 stop14h 42mFrontier
Deal found 11/16$156
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/93:30 pmSTL - SLC
2 stops33h 37mFrontier
Tue 12/167:20 amSLC - STL
1 stop25h 54mFrontier
Deal found 11/16$158
This Kiwi.com deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:43 pmSTL - SLC
1 stop13h 29mFrontier
Wed 12/248:58 pmSLC - STL
2 stops11h 42mFrontier
Deal found 11/15$175
This Kiwi.com deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:43 pmSTL - SLC
1 stop13h 29mFrontier
Thu 12/252:53 pmSLC - STL
2 stops18h 09mFrontier
Deal found 11/15$182
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:30 pmSTL - SLC
2 stops18h 57mFrontier
Sun 12/710:22 amSLC - STL
1 stop22h 52mFrontier
Deal found 11/16$188
This Frontier deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:43 pmSTL - SLC
1 stop5h 24mFrontier
Tue 12/231:49 pmSLC - STL
1 stop6h 36mFrontier
Deal found 11/15$191
This Kiwi.com deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:43 pmSTL - SLC
1 stop13h 29mFrontier
Sat 12/278:58 pmSLC - STL
2 stops23h 27mFrontier
Deal found 11/15$192
This Kiwi.com deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:06 pmORD - SLC
1 stop17h 55mMultiple Airlines
Sat 12/1312:32 pmSLC - ORD
1 stop10h 41mMultiple Airlines
Deal found 11/15$237
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:03 amORD - SLC
2 stops14h 04mMultiple Airlines
Mon 12/295:33 pmSLC - ORD
1 stop5h 39mMultiple Airlines
Deal found 11/16$238
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:20 amORD - SLC
2 stops17h 47mMultiple Airlines
Sat 12/209:33 pmSLC - ORD
1 stop25h 39mMultiple Airlines
Deal found 11/17$239

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Utah 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, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
Use the filters below to find and compare flights from Illinois to Utah that are best for you.

Fly from

Illinois

Fly to

Utah

Route

Depart

Return

Price

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Sat 1/17

9:00 am-8:44 pm

1 stop12h 44m

Salt Lake City

Sat 1/24

10:15 am-11:37 pm

1 stop12h 22m

$240

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Tue 12/9

7:10 am-1:07 pm

1 stop6h 57m

Saint George

Sun 12/14

5:35 pm-11:59 pm

1 stop5h 24m

$258

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Tue 4/14

1:55 pm-6:35 pm

1 stop5h 40m

Saint George

Mon 4/20

3:20 pm-9:58 pm

1 stop5h 38m

$258

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Wed 12/10

7:10 am-4:02 pm

1 stop9h 52m

Saint George

Sun 12/14

5:35 pm-11:59 pm

1 stop5h 24m

$258

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Sat 12/6

5:29 pm-10:01 pm

1 stop5h 32m

Saint George

Fri 12/12

3:20 pm-9:21 pm

1 stop5h 01m

$258

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Sat 1/24

9:00 am-6:05 pm

2 stops10h 05m

Salt Lake City

Sat 1/31

7:14 am-11:37 pm

1 stop15h 23m

$258

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Fri 2/27

7:10 am-4:06 pm

1 stop9h 56m

Saint George

Mon 3/2

11:24 am-6:55 pm

1 stop6h 31m

$258

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Fri 3/6

1:17 pm-6:35 pm

1 stop6h 18m

Saint George

Sat 3/14

6:15 am-12:26 pm

1 stop5h 11m

$258

MolineSalt Lake City

MLI - SLC

MLISLC

Moline Quad-City

Sat 12/13

3:37 pm-8:50 pm

1 stop6h 13m

Salt Lake City

Sun 12/14

4:19 pm-11:47 pm

1 stop6h 28m

$259

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Tue 12/9

11:55 am-9:27 pm

2 stops10h 32m

Saint George

Sun 12/14

4:46 pm-12:31 am

1 stop6h 45m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to Utah

Have a flexible travel schedule? Discover the best time to fly to Utah from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Utah

What is the cheapest month to book a flight from Illinois to Utah?

Currently, April is the cheapest month in which you can book a flight from Illinois to Utah (average of $89). Flying from Illinois to Utah in June is currently the most expensive (average of $225). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to UT?

Find hourly flight availability from Illinois to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 17, 2025.

When flying from Illinois to Utah, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 41% versus a flight in the morning.

What is the cheapest day to fly from Illinois to Utah?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Utah. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Utah flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to Utah

Explore weekly flight availability from Illinois to Utah. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 17, 2025.

The most flights from USIL to USUT are scheduled on a Monday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Utah

Get insights into the airlines that provide service to Utah. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Utah. Reviews last updated November 17, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Illinois to Utah to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,244 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,244 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,013 reviews
Southwest
8.0
Very good
4,244 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,050 reviews
Southwest
8.0
Very good
4,244 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,106 reviews
Southwest
8.0
Very good
4,244 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Illinois to Utah. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Utah?

    Alaska Airlines, United Airlines, and Delta can get you from Illinois to Utah in just under 5h 40m. Your travel time can differ by up to 7h 04m. Airlines will cover a distance of 1403 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Utah one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $68. However, be on the lookout for offers from Alaska Airlines and Delta, as they are both options that can get you from Illinois to Utah for a low price.

  • Can I find deals for flights from Illinois to Utah that include hotel bookings?

    Yes. In addition to deals on Illinois to Utah flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Utah?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Utah.

  • Can I find deals for business class flights from Illinois to Utah?

    Yes. Cheapflights offers flight deals from Illinois to Utah by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Utah?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Utah (average of $89). Flying from Illinois to Utah in June is currently the most expensive (average of $225). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Utah

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Newark to Fort Lauderdale flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Los Angeles flights
Newark to Miami flights
Los Angeles to Newark flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to Newark flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
Newark to Los Angeles flights
San Francisco to John F Kennedy Intl flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Las Vegas flights
Newark to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Newark to West Palm Beach flights
Seattle to Los Angeles flights
O'Hare Intl to John F Kennedy Intl flights
Newark to Orlando flights
San Francisco to Newark flights
John F Kennedy Intl to O'Hare Intl flights
Atlanta to LaGuardia flights
Hobby to LaGuardia flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Honolulu flights
Los Angeles to LaGuardia flights
Los Angeles to Seattle flights
Seattle to Las Vegas flights
Seattle to Dallas/Fort Worth flights
Dallas/Fort Worth to Orlando flights
LaGuardia to Orlando flights
O'Hare Intl to Las Vegas flights
San Francisco to Las Vegas flights
San Francisco to Los Angeles flights
Atlanta to John F Kennedy Intl flights
Dallas/Fort Worth to Denver flights
Los Angeles to Dallas/Fort Worth flights
Miami to John F Kennedy Intl flights
Orlando to John F Kennedy Intl flights
John F Kennedy Intl to West Palm Beach flights
Hobby to Newark flights
LaGuardia to Hobby flights
Fort Lauderdale to John F Kennedy Intl flights
O'Hare Intl to Sky Harbor Intl flights

Top 7 airlines flying from Illinois to Utah

Discover the top 7 airlines that operate flights from Illinois to Utah. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$235FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$102Average$201FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$136Average$256FlexibilityNo cancel feeOn-time65%
DeltaCheapest$184Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$199Average$505FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$495FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$300Average$471FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.