Utah

$50+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Jul 5 — Jul 121
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Cheap 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 June 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/263:33 pm
STL
-
SLC
1 stop29h 47m
Frontier
Mon 8/3110:41 pm
SLC
-
STL
1 stop19h 42m
Frontier
Deal found 6/4$178
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/263:33 pm
STL
-
SLC
2 stops9h 21m
Frontier
Sat 8/298:16 am
SLC
-
STL
1 stop10h 07m
Frontier
Deal found 6/3$186
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Mon 9/78:08 pm
STL
-
SLC
1 stop12h 23m
Frontier
Thu 9/107:25 am
SLC
-
STL
1 stop10h 50m
Frontier
Deal found 6/3$204
This Expedia deal was found by Cheapflights users on 6/1. 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.
Tue 6/307:46 pm
STL
-
SLC
1 stop14h 49m
Frontier
Tue 7/78:16 am
SLC
-
STL
1 stop10h 07m
Frontier
Deal found 6/1$230
This Booking.com deal was found by Cheapflights users on 5/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:46 pm
STL
-
SLC
1 stop14h 49m
Frontier
Wed 7/18:16 am
SLC
-
STL
1 stop10h 07m
Frontier
Deal found 5/30$232
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/17:03 pm
STL
-
SLC
2 stops15h 32m
Frontier
Tue 7/78:16 am
SLC
-
STL
1 stop10h 07m
Frontier
Deal found 6/3$234
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/268:08 pm
STL
-
SLC
1 stop17h 19m
Frontier
Sun 8/3010:41 pm
SLC
-
STL
1 stop19h 42m
Frontier
Deal found 6/3$239
This CheapOair deal was found by Cheapflights users on 6/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:08 pm
STL
-
SLC
1 stop12h 23m
Frontier
Wed 7/153:41 pm
SLC
-
STL
1 stop26h 42m
Frontier
Deal found 6/4$240
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/301:53 pm
MLI
-
SLC
1 stop23h 03m
Multiple Airlines
Wed 8/51:52 pm
SLC
-
MLI
1 stop20h 49m
Multiple Airlines
Deal found 6/3$244
This Frontier deal was found by Cheapflights users on 6/3. 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.
Tue 8/253:33 pm
STL
-
SLC
1 stop5h 47m
Frontier
Mon 8/318:16 am
SLC
-
STL
1 stop10h 07m
Frontier
Deal found 6/3$244
This Expedia deal was found by Cheapflights users on 5/30. 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.
Wed 7/18:08 pm
STL
-
SLC
1 stop26h 47m
Frontier
Mon 7/61:47 pm
SLC
-
STL
1 stop27h 18m
Frontier
Deal found 5/30$249
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:57 pm
MLI
-
SLC
1 stop6h 02m
American Airlines
Sat 9/194:43 pm
SLC
-
MLI
1 stop5h 35m
American Airlines
Deal found 6/4$261

Find flight deals from Illinois to Utah

Keep the following information in mind while searching for Illinois to Utah flight deals. Data was last updated June 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$178
(Kiwi.com)

One-way from

$50
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$457

Good round-trip deal

$127 or less

Good one-way deal

$216 or less
Provider with most accurate pricing for Chicago (CHI)-Salt Lake City flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Salt Lake City flights.
From Illinois to Utah
One-way flight from Illinois to Utah
Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Illinois to Utah.
Price to beat on a one-way flight from Illinois to Utah.

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 June 5, 2026.
Use the filters below to find and compare flights from Illinois to Utah that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MolineSalt Lake City

MLI - SLC

MLISLC

Moline Quad-City

Wed 10/21

5:00 pm-12:38 am

1 stop8h 38m

Salt Lake City

Tue 10/27

7:00 am-4:22 pm

1 stop8h 22m

$261

MolineSalt Lake City

MLI - SLC

MLISLC

Moline Quad-City

Thu 10/22

11:00 am-5:35 pm

1 stop7h 35m

Salt Lake City

Tue 10/27

7:00 am-4:22 pm

1 stop8h 22m

$289

MolineSalt Lake City

MLI - SLC

MLISLC

Moline Quad-City

Fri 7/3

11:43 am-11:03 pm

2 stops12h 20m

Salt Lake City

Wed 7/8

4:42 pm-11:30 pm

1 stop5h 48m

$294

MolineSalt Lake City

MLI - SLC

MLISLC

Moline Quad-City

Sat 9/12

12:08 pm-7:14 pm

1 stop8h 06m

Salt Lake City

Sat 9/19

7:00 am-4:27 pm

2 stops8h 27m

$309

BloomingtonSalt Lake City

BMI - SLC

BMISLC

Bloomington-Normal

Sat 8/29

6:32 am-1:13 pm

1 stop7h 41m

Salt Lake City

Mon 8/31

5:05 pm-11:59 pm

1 stop5h 54m

$329

BloomingtonSalt Lake City

BMI - SLC

BMISLC

Bloomington-Normal

Sat 9/19

1:19 pm-9:58 pm

2 stops9h 39m

Salt Lake City

Thu 9/24

4:54 pm-12:03 am

1 stop6h 09m

$334

ChicagoSalt Lake City

MDW - SLC

MDWSLC

Chicago Midway

Fri 8/14

4:00 pm-8:55 pm

1 stop5h 55m

Salt Lake City

Tue 8/18

1:00 pm-5:00 pm

Nonstop3h 00m

$347

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Tue 9/22

8:21 pm-10:59 pm

Nonstop3h 38m

Salt Lake City

Wed 9/23

4:25 pm-8:48 pm

Nonstop3h 23m

$351

MolineSalt Lake City

MLI - SLC

MLISLC

Moline Quad-City

Tue 8/25

6:00 am-11:32 am

1 stop6h 32m

Salt Lake City

Sat 8/29

10:40 am-11:14 pm

2 stops11h 34m

$356

MolineSalt Lake City

MLI - SLC

MLISLC

Moline Quad-City

Fri 7/17

6:08 am-12:35 pm

1 stop7h 27m

Salt Lake City

Sun 7/19

4:56 pm-12:41 am

1 stop6h 45m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Illinois to Utah (average of $78). Flying from Illinois to Utah in June is currently the most expensive (average of $210). 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 June 5, 2026.

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 31% versus a flight at noon.

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 June 5, 2026.

The most flights from USIL to USUT are scheduled on a Thursday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Illinois to Utah?

How far ahead should I book a flight from Illinois to Utah?

To ensure you get the cheapest price possible for a flight from Illinois to Utah, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 January 24, 2026.

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

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 June 5, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

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?

    Delta, American Airlines, and Southwest can get you from Illinois to Utah in just under 5h 55m. Your travel time can differ by up to 6h 25m. Airlines will cover a distance of 1255 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 $52. However, be on the lookout for offers from Delta and American Airlines, 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, October is the cheapest month in which you can book a flight from Illinois to Utah (average of $78). Flying from Illinois to Utah in June is currently the most expensive (average of $210). 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

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Alternative routes for Illinois to Utah

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Illinois to Utah

Discover the top 5 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 June 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$144Average$234FlexibilityNo cancel feeOn-time62%
DeltaCheapest$180Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$232Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$321Average$481FlexibilityNo cancel feeOn-time63%

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