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Illinois

$59+ Cheap flights from Utah to Illinois

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Utah to Illinois

Keep the following information in mind while searching for Utah to Illinois flight deals. Data was last updated July 1, 2025.

Round-trip from

$182
(FlightHub)

One-way from

$59
(Priceline)

Popular in

May

Cheapest in

September

Average price

$308

Good round-trip deal

$219 or less

Good one-way deal

$103 or less
From Utah to Illinois
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One-way flight from Utah to Illinois
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Highest demand for flights based on searches. 18% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% 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 Utah to Illinois.
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Price to beat on a one-way flight from Utah to Illinois.
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Find flight deals from Utah to Illinois

Cheapest flights from Utah to Illinois
Explore the most affordable flight options available from Utah to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:45 amSLC - STL
1 stop23h 21mFrontier
Mon 9/157:55 pmSTL - SLC
1 stop5h 19mFrontier
Deal found 6/30$182
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/138:44 pmSLC - ORD
1 stop26h 26mMultiple Airlines
Fri 8/226:00 amORD - SLC
1 stop8h 57mMultiple Airlines
Deal found 6/29$195
This FlightHub deal was found by Cheapflights users on 6/28. 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.
Mon 8/253:02 pmSLC - ORD
1 stop12h 48mSpirit Airlines
Tue 9/306:00 amORD - SLC
1 stop8h 57mSpirit Airlines
Deal found 6/28$196
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:00 amSLC - ORD
1 stop14h 53mFrontier
Sun 11/25:00 amORD - SLC
1 stop26h 32mFrontier
Deal found 6/30$197
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:53 pmSLC - MDW
1 stop20h 10mFrontier
Thu 8/142:44 pmMDW - SLC
1 stop23h 25mFrontier
Deal found 6/30$197
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:10 amSLC - MDW
Nonstop3h 00mSouthwest
Mon 8/118:35 pmMDW - SLC
Nonstop3h 25mSouthwest
Deal found 7/1$257
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/25:25 pmSGU - ORD
1 stop6h 05mUnited Airlines
Wed 8/67:10 amORD - SGU
1 stop9h 47mUnited Airlines
Deal found 6/30$258
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:23 pmSLC - STL
1 stop24h 09mMultiple Airlines
Sat 8/167:29 pmSTL - SLC
1 stop14h 03mMultiple Airlines
Deal found 6/30$258
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 7/245:05 pmSLC - MLI
1 stop5h 31mAmerican Airlines
Tue 7/294:22 pmMLI - SLC
1 stop7h 51mAmerican Airlines
Deal found 6/30$274
This Delta deal was found by Cheapflights users on 6/30. 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 8/143:20 pmSGU - ORD
1 stop5h 44mDelta
Thu 8/217:45 amORD - SGU
1 stop7h 55mDelta
Deal found 6/30$293
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/213:02 pmSLC - STL
2 stops21h 30mSpirit Airlines
Sun 8/242:30 pmSTL - SLC
3 stops24h 27mSpirit Airlines
Deal found 7/1$304
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.
Tue 7/11:01 pmSLC - PIA
1 stop9h 58mAmerican Airlines
Thu 8/74:15 pmPIA - SLC
1 stop7h 36mAmerican Airlines
Deal found 7/1$314

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
Use the filters below to find and compare flights from Utah to Illinois that are best for you.

Fly from

Utah

Fly to

Illinois

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 9/10

8:45 am-9:06 am

1 stop23h 21m

Lambert-St Louis

Mon 9/15

7:55 pm-12:14 am

1 stop5h 19m

$182

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Sun 7/13

8:44 pm-12:10 am

1 stop26h 26m

Chicago O'Hare Intl

Fri 8/22

6:00 am-1:57 pm

1 stop8h 57m

$195

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Mon 8/25

3:02 pm-4:50 am

1 stop12h 48m

Chicago O'Hare Intl

Tue 9/30

6:00 am-1:57 pm

1 stop8h 57m

$196

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Mon 8/11

7:53 pm-5:03 pm

1 stop20h 10m

Chicago Midway

Thu 8/14

2:44 pm-1:09 pm

1 stop23h 25m

$197

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Tue 8/19

8:00 am-12:01 am

2 stops15h 01m

Chicago O'Hare Intl

Wed 8/20

7:20 am-11:52 am

1 stop5h 32m

$199

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Mon 8/4

5:10 am-9:10 am

Nonstop3h 00m

Chicago Midway

Mon 8/11

8:35 pm-11:00 pm

Nonstop3h 25m

$257

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Sat 8/2

5:25 pm-12:30 am

1 stop6h 05m

Chicago O'Hare Intl

Wed 8/6

7:10 am-3:57 pm

1 stop9h 47m

$258

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 8/13

12:23 pm-1:32 pm

1 stop24h 09m

Lambert-St Louis

Sat 8/16

7:29 pm-8:32 am

1 stop14h 03m

$258

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Thu 7/24

5:05 pm-11:36 pm

1 stop5h 31m

Moline Quad-City

Tue 7/29

4:22 pm-11:13 pm

1 stop7h 51m

$274

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Thu 8/14

3:20 pm-10:04 pm

1 stop5h 44m

Chicago O'Hare Intl

Thu 8/21

7:45 am-2:40 pm

1 stop7h 55m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 47 results
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Best time to book a flight from Utah to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Utah 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 Utah to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Utah to Illinois (average of $245). Flying from Utah to Illinois in March is currently the most expensive (average of $321). 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 UT to IL?

Find hourly flight availability from Utah to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

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

Weekly flight availability from Utah to Illinois

Explore weekly flight availability from Utah to Illinois. 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 1, 2025.

The most flights from USUT to USIL are scheduled on a Tuesday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated July 1, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and Hawaiian Airlines from Utah to Illinois 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
4,273 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,273 reviews
Southwest
8.0
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Hawaiian Airlines
7.8
Good
2,539 reviews
Southwest
8.0
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Utah to Illinois. 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 Utah to Illinois one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $59. Spirit Airlines flights start at $121 while deals on United Airlines start at $129 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Utah to Illinois 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 Utah to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Utah to Illinois (average of $245). Flying from Utah to Illinois in March is currently the most expensive (average of $321). 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 Utah to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Utah to Illinois

Discover the top 6 airlines that operate flights from Utah to Illinois. 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$179FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$88Average$164FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$146Average$519FlexibilityNo cancel feeOn-time71%
DeltaCheapest$160Average$401FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$173Average$510FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$192Average$468FlexibilityNo cancel feeOn-time63%

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