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$53+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$196
(FlightHub)

One-way from

$53
(Priceline)

Popular in

December

Cheapest in

October

Average price

$357

Good round-trip deal

$201 or less

Good one-way deal

$158 or less
From Illinois to Utah
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One-way flight from Illinois to Utah
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Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Illinois to Utah.
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Price to beat on a one-way flight from Illinois to Utah.
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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 July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:00 amORD - SLC
1 stop8h 57mSpirit Airlines
Thu 8/213:02 pmSLC - ORD
1 stop12h 48mSpirit Airlines
Deal found 7/2$196
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/51:53 pmMDW - SLC
1 stop7h 28mFrontier
Mon 10/134:03 pmSLC - MDW
1 stop5h 35mFrontier
Deal found 7/2$196
This Frontier deal was found by Cheapflights users on 7/3. 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.
Thu 7/315:40 amORD - SLC
1 stop8h 29mFrontier
Mon 8/42:45 pmSLC - ORD
1 stop8h 47mFrontier
Deal found 7/3$197
This FlightHub deal was found by Cheapflights users on 7/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:47 pmORD - SLC
1 stop16h 25mMultiple Airlines
Sun 9/212:06 pmSLC - ORD
1 stop13h 40mMultiple Airlines
Deal found 7/3$200
This Frontier deal was found by Cheapflights users on 7/3. 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.
Fri 9/57:55 pmSTL - SLC
1 stop5h 19mFrontier
Sun 9/79:45 pmSLC - STL
1 stop10h 21mFrontier
Deal found 7/3$250
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:55 amMDW - SLC
Nonstop3h 20mSouthwest
Mon 8/181:25 pmSLC - MDW
Nonstop3h 05mSouthwest
Deal found 7/3$257
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:45 amORD - SGU
1 stop5h 46mDelta
Fri 8/223:20 pmSGU - ORD
1 stop5h 44mDelta
Deal found 7/1$258
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:04 amMLI - SLC
1 stop7h 27mAmerican Airlines
Tue 8/267:45 amSLC - MLI
1 stop8h 13mAmerican Airlines
Deal found 7/1$259
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 8/135:09 pmPIA - SLC
1 stop6h 47mAmerican Airlines
Sun 8/174:01 pmSLC - PIA
1 stop6h 04mAmerican Airlines
Deal found 7/2$259
This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:35 pmSTL - SLC
1 stop7h 18mMultiple Airlines
Sun 9/149:45 pmSLC - STL
1 stop10h 21mMultiple Airlines
Deal found 7/1$266
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/169:05 amORD - SGU
1 stop7h 52mUnited Airlines
Sun 7/205:05 amSGU - ORD
1 stop5h 20mUnited Airlines
Deal found 7/1$308
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:35 pmSTL - SLC
1 stop7h 18mAlaska Airlines
Mon 9/297:00 amSLC - STL
1 stop9h 34mAlaska Airlines
Deal found 7/3$316

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 July 3, 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

Thu 8/14

6:00 am-1:57 pm

1 stop8h 57m

Salt Lake City

Thu 8/21

3:02 pm-4:50 am

1 stop12h 48m

$196

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Thu 7/31

5:40 am-1:09 pm

1 stop8h 29m

Salt Lake City

Mon 8/4

2:45 pm-12:32 am

1 stop8h 47m

$197

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Fri 9/19

9:47 pm-1:12 pm

1 stop16h 25m

Salt Lake City

Sun 9/21

2:06 pm-4:46 am

1 stop13h 40m

$200

ChicagoSalt Lake City

MDW - SLC

MDWSLC

Chicago Midway

Sat 8/2

8:05 am-6:52 pm

1 stop11h 47m

Salt Lake City

Mon 8/4

7:47 pm-5:03 pm

1 stop20h 16m

$200

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 9/5

7:55 pm-12:14 am

1 stop5h 19m

Salt Lake City

Sun 9/7

9:45 pm-9:06 am

1 stop10h 21m

$250

ChicagoSalt Lake City

MDW - SLC

MDWSLC

Chicago Midway

Mon 8/11

8:35 pm-11:00 pm

Nonstop3h 25m

Salt Lake City

Mon 8/18

5:00 am-9:00 am

Nonstop3h 00m

$257

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Fri 8/15

7:45 am-12:31 pm

1 stop5h 46m

Saint George

Fri 8/22

1:10 pm-10:04 pm

1 stop7h 54m

$258

MolineSalt Lake City

MLI - SLC

MLISLC

Moline Quad-City

Sat 8/23

6:04 am-12:31 pm

1 stop7h 27m

Salt Lake City

Tue 8/26

7:45 am-4:58 pm

1 stop8h 13m

$259

PeoriaSalt Lake City

PIA - SLC

PIASLC

Greater Peoria

Wed 8/13

5:09 pm-10:56 pm

1 stop6h 47m

Salt Lake City

Sun 8/17

4:01 pm-11:05 pm

1 stop6h 04m

$259

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 9/9

3:35 pm-9:53 pm

1 stop7h 18m

Salt Lake City

Sun 9/14

9:45 pm-9:06 am

1 stop10h 21m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 44 results
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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 $277). Flying from Illinois to Utah in March is currently the most expensive (average of $417). 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 July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Utah as you normally would.

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 July 3, 2025.

The most flights from USIL to USUT are scheduled on a Thursday (28 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 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 July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $53. However, be on the lookout for offers from Spirit Airlines and United 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 $277). Flying from Illinois to Utah in March is currently the most expensive (average of $417). 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

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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.
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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$229FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$88Average$135FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$136Average$256FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$148Average$433FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$154Average$543FlexibilityNo cancel feeOn-time71%
DeltaCheapest$157Average$401FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$512FlexibilityNo cancel feeOn-time69%

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