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$89+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$136
(Frontier)

One-way from

$89
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$419

Good round-trip deal

$102 or less

Good one-way deal

$159 or less
Provider with most accurate pricing for Chicago (CHI)-Salt Lake City flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Salt Lake City flights.
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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. 10% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/115:07 pmORD - SLC
Nonstop3h 43mFrontier
Mon 4/148:50 pmSLC - ORD
Nonstop3h 09mFrontier
Deal found 3/30$136
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/79:02 pmORD - SLC
1 stop23h 17mSpirit Airlines
Wed 5/148:14 pmSLC - ORD
1 stop8h 11mSpirit Airlines
Deal found 3/30$171
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/115:07 pmORD - SLC
Nonstop3h 43mMultiple Airlines
Sat 4/122:36 pmSLC - ORD
1 stop14h 57mMultiple Airlines
Deal found 3/30$200
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/278:01 pmMDW - SLC
1 stop5h 34mFrontier
Thu 5/19:02 amSLC - MDW
1 stop10h 31mFrontier
Deal found 3/30$238
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:45 pmORD - SGU
1 stop8h 17mAmerican Airlines
Thu 9/43:51 pmSGU - ORD
1 stop7h 46mAmerican Airlines
Deal found 3/30$258
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/149:02 amORD - SGU
1 stop7h 37mUnited Airlines
Wed 5/215:05 amSGU - ORD
1 stop5h 29mUnited Airlines
Deal found 3/31$272
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/107:30 amORD - SGU
1 stop6h 03mDelta
Tue 5/133:23 pmSGU - ORD
1 stop5h 17mDelta
Deal found 3/30$278
This Sun Country Air deal was found by Cheapflights users on 3/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/158:05 pmORD - SLC
1 stop16h 59mSun Country Air
Sun 5/188:30 amSLC - ORD
1 stop7h 57mSun Country Air
Deal found 3/30$285
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 5/37:13 pmORD - SLC
1 stop21h 47mAlaska Airlines
Tue 5/67:45 amSLC - ORD
1 stop15h 14mAlaska Airlines
Deal found 3/31$316
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:40 amSTL - SLC
Nonstop3h 18mDelta
Tue 5/65:20 pmSLC - STL
Nonstop2h 43mDelta
Deal found 3/30$359
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1510:10 amSTL - SLC
3 stops34h 09mMultiple Airlines
Thu 5/226:45 pmSLC - STL
1 stop15h 40mMultiple Airlines
Deal found 3/31$364
This American Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 5/65:19 amSTL - SLC
1 stop5h 47mAmerican Airlines
Sat 5/107:03 amSLC - STL
1 stop8h 19mAmerican Airlines
Deal found 3/29$365

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 March 31, 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

Fri 4/11

5:07 pm-7:50 pm

Nonstop3h 43m

Salt Lake City

Mon 4/14

8:50 pm-12:59 am

Nonstop3h 09m

$136

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Wed 5/7

9:02 pm-7:19 pm

1 stop23h 17m

Salt Lake City

Wed 5/14

8:14 pm-5:25 am

1 stop8h 11m

$171

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Fri 4/11

5:07 pm-7:50 pm

Nonstop3h 43m

Salt Lake City

Sat 4/12

2:36 pm-6:33 am

1 stop14h 57m

$200

ChicagoSalt Lake City

MDW - SLC

MDWSLC

Chicago Midway

Sun 4/27

8:01 pm-12:35 am

1 stop5h 34m

Salt Lake City

Thu 5/1

9:02 am-8:33 pm

1 stop10h 31m

$238

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Sat 8/30

4:45 pm-12:02 am

1 stop8h 17m

Saint George

Thu 9/4

3:51 pm-12:37 am

1 stop7h 46m

$258

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Wed 5/14

9:02 am-3:39 pm

1 stop7h 37m

Saint George

Wed 5/21

5:05 am-11:34 am

1 stop5h 29m

$272

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Sat 5/10

7:30 am-12:33 pm

1 stop6h 03m

Saint George

Tue 5/13

3:23 pm-9:40 pm

1 stop5h 17m

$278

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Thu 5/15

8:05 pm-12:04 pm

1 stop16h 59m

Salt Lake City

Sun 5/18

8:30 am-5:27 pm

1 stop7h 57m

$285

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Sat 5/3

7:13 pm-4:00 pm

1 stop21h 47m

Salt Lake City

Tue 5/6

7:45 am-11:59 pm

1 stop15h 14m

$316

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 5/1

7:40 am-9:58 am

Nonstop3h 18m

Salt Lake City

Tue 5/6

5:20 pm-9:03 pm

Nonstop2h 43m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 59 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 March 31, 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 March 31, 2025.

The most flights from USIL to USUT are scheduled on a Sunday (26 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Utah by month

Plan your trip to Utah by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Utah ranges from 0.6 - 2.0 inches per month. April is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Utah when rainfall is around 0.6 in.

Temperature in Utah by month

Plan your trip to Utah by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Utah, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 March 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Illinois to Utah. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $89. However, be on the lookout for offers from Spirit Airlines and Alaska 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$63Average$209FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$88Average$108FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$128Average$270FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$130Average$428FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$148Average$572FlexibilityNo cancel feeOn-time71%
DeltaCheapest$153Average$460FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$185Average$525FlexibilityNo cancel feeOn-time69%
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