How long is the flight from Utah to Illinois?

Airlines like Frontier, Alaska Airlines, and American Airlines fly from Utah to Illinois in about 8h 54m. The time it takes to get you to your destination can typically vary by up to 14h 36m. There are 1163 mi between Utah and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

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

To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $527. Turkish Airlines flights start at $598 while deals on Austrian Airlines start at $653 one-way.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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.

$60+ Flights from Utah to Illinois

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Cheap 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 December 21, 2025.

Thu 12/252:53 pmSLC - STL

1 stop27h 54mFrontier

Wed 1/77:43 pmSTL - SLC

1 stop13h 54mFrontier

Deal found 12/19

$212

Sat 12/208:28 pmSLC - ORD

1 stop24h 11mFrontier

Sat 1/176:02 pmORD - SLC

1 stop14h 40mFrontier

Deal found 12/17

$234

Sun 12/288:58 pmSLC - STL

2 stops23h 27mFrontier

Wed 1/77:43 pmSTL - SLC

1 stop13h 54mFrontier

Deal found 12/19

$234

Sun 12/288:58 pmSLC - ORD

2 stops25h 56mFrontier

Thu 1/227:41 pmORD - SLC

1 stop13h 59mFrontier

Deal found 12/18

$242

Thu 12/252:53 pmSLC - STL

1 stop27h 54mFrontier

Mon 1/510:10 pmSTL - SLC

1 stop17h 54mFrontier

Deal found 12/19

$247

Sat 12/205:39 pmSLC - MDW

1 stop27h 11mFrontier

Thu 1/812:50 pmMDW - SLC

1 stop8h 53mFrontier

Deal found 12/18

$254

Wed 12/242:30 pmSLC - ORD

1 stop8h 42mFrontier

Sat 1/248:00 amORD - SLC

2 stops11h 54mFrontier

Deal found 12/20

$262

Thu 12/257:20 amSLC - ORD

1 stop15h 52mFrontier

Fri 1/27:00 amORD - SLC

1 stop26h 12mFrontier

Deal found 12/18

$263

Tue 12/309:07 pmSLC - ORD

1 stop26h 05mFrontier

Fri 1/29:31 pmORD - SLC

1 stop11h 45mFrontier

Deal found 12/18

$268

Sun 12/288:58 pmSLC - STL

2 stops22h 09mFrontier

Mon 1/510:10 pmSTL - SLC

1 stop17h 54mFrontier

Deal found 12/19

$269

Wed 12/312:30 pmSLC - ORD

1 stop8h 42mFrontier

Sun 1/45:08 pmORD - SLC

2 stops16h 04mFrontier

Deal found 12/20

$277

Mon 12/228:58 pmSLC - ORD

1 stop26h 14mFrontier

Sat 1/37:00 amORD - SLC

1 stop26h 12mFrontier

Deal found 12/18

$278

Best flights from Utah to Illinois
Discover carefully curated flight deals from Utah to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.

Tue 1/132:18 pmSLC - STL

1 stop23h 30mFrontier

Fri 1/237:39 pmSTL - SLC

2 stops23h 42mFrontier

Deal found 12/20

$191

Mon 1/267:00 amSLC - ORD

1 stop15h 50mAlaska Airlines

Thu 1/293:35 pmORD - SLC

2 stops19h 56mAlaska Airlines

Deal found 12/20

$269

Thu 1/155:30 amSLC - PIA

1 stop8h 54mAmerican Airlines

Sun 2/15:16 pmPIA - SLC

1 stop5h 52mAmerican Airlines

Deal found 12/19

$279

Wed 2/185:10 amSLC - PIA

2 stops8h 00mUnited Airlines

Sat 2/212:51 pmPIA - SLC

2 stops8h 35mUnited Airlines

Deal found 12/19

$289

Sat 1/177:35 amSLC - MDW

Nonstop3h 20mSouthwest

Sun 1/188:30 amMDW - SLC

Nonstop3h 45mSouthwest

Deal found 12/20

$305

Thu 1/17:20 amSLC - ORD

1 stop15h 52mMultiple Airlines

Mon 1/57:38 pmORD - SLC

1 stop24h 19mMultiple Airlines

Deal found 12/17

$318

Thu 1/229:52 amSLC - STL

Nonstop2h 56mDelta

Mon 1/262:38 pmSTL - SLC

Nonstop3h 21mDelta

Deal found 12/19

$399

Sat 1/177:13 pmSLC - MDW

2 stops11h 50mFrontier

Sun 1/1811:05 amMDW - SLC

1 stop7h 05mFrontier

Deal found 12/18

$243

Wed 2/48:20 amSLC - ORD

2 stops14h 30mAlaska Airlines

Fri 2/62:06 pmORD - SLC

2 stops10h 37mAlaska Airlines

Deal found 12/20

$284

Wed 1/78:20 amSLC - PIA

1 stop5h 03mUnited Airlines

Sat 1/106:30 amPIA - SLC

1 stop5h 58mUnited Airlines

Deal found 12/19

$294

Fri 2/2012:49 pmSLC - MDW

1 stop9h 52mFrontier

Sun 2/223:21 pmMDW - SLC

1 stop7h 39mFrontier

Deal found 12/19

$272

Fri 2/66:16 pmSLC - ORD

1 stop19h 13mAlaska Airlines

Sun 2/83:35 pmORD - SLC

2 stops19h 56mAlaska Airlines

Deal found 12/18

$288

Sat 1/176:30 amSLC - ORD

Nonstop3h 24mAmerican Airlines

Sun 1/187:30 pmORD - SLC

Nonstop3h 38mAmerican Airlines

Deal found 12/18

$335

Tue 2/39:00 amSLC - ORD

1 stop28h 38mAlaska Airlines

Tue 2/108:00 amORD - SLC

1 stop10h 34mAlaska Airlines

Deal found 12/20

$293

Mon 1/57:20 amSLC - PIA

1 stop12h 31mMultiple Airlines

Fri 1/99:29 pmPIA - SLC

1 stop14h 02mMultiple Airlines

Deal found 12/21

$356

Tue 2/36:40 amSLC - STL

1 stop4h 40mSouthwest

Wed 2/46:00 amSTL - SLC

1 stop5h 50mSouthwest

Deal found 12/18

$368

Wed 1/148:20 amSLC - MLI

1 stop7h 34mUnited Airlines

Sun 1/188:46 amMLI - SLC

1 stop5h 48mUnited Airlines

Deal found 12/18

$348

Tue 2/312:17 pmSLC - ORD

1 stop27h 53mAlaska Airlines

Fri 2/66:06 pmORD - SLC

1 stop30h 37mAlaska Airlines

Deal found 12/20

$293

Thu 4/239:30 amSLC - STL

Nonstop2h 51mDelta

Sun 4/267:30 amSTL - SLC

Nonstop3h 16mDelta

Deal found 12/19

$399

Tue 2/36:40 amSLC - STL

1 stop4h 40mSouthwest

Tue 2/32:50 pmSTL - SLC

1 stop7h 55mSouthwest

Deal found 12/18

$373

Sat 2/145:13 amSGU - ORD

1 stop5h 06mUnited Airlines

Wed 2/189:00 amORD - SGU

1 stop8h 06mUnited Airlines

Deal found 12/19

$358

Sun 2/17:14 amSLC - ORD

1 stop15h 23mAlaska Airlines

Sun 2/89:00 amORD - SLC

1 stop28h 16mAlaska Airlines

Deal found 12/18

$302

Sun 4/511:31 amSLC - STL

1 stop9h 17mFrontier

Sun 4/1210:44 pmSTL - SLC

1 stop12h 47mFrontier

Deal found 12/20

$377

Wed 1/288:25 amSLC - MDW

Nonstop3h 25mSouthwest

Wed 2/118:30 amMDW - SLC

Nonstop3h 45mSouthwest

Deal found 12/17

$391

Thu 1/155:30 pmSGU - ORD

1 stop5h 29mUnited Airlines

Mon 1/197:10 amORD - SGU

1 stop9h 55mUnited Airlines

Deal found 12/20

$358

Wed 3/185:14 pmSLC - MLI

1 stop5h 24mAmerican Airlines

Sun 3/2211:06 amMLI - SLC

1 stop7h 10mAmerican Airlines

Deal found 12/19

$449

Sat 1/177:35 amSLC - MDW

Nonstop3h 20mSouthwest

Sat 1/174:25 pmMDW - SLC

1 stop7h 05mSouthwest

Deal found 12/19

$393

Wed 4/157:15 amSLC - PIA

1 stop5h 52mUnited Airlines

Sat 4/1810:40 amPIA - SLC

1 stop5h 42mUnited Airlines

Deal found 12/19

$359

Tue 1/279:00 amSLC - STL

1 stop27h 54mAlaska Airlines

Fri 1/302:50 pmSTL - SLC

1 stop9h 53mAlaska Airlines

Deal found 12/20

$331

Tue 4/147:00 amSLC - BMI

1 stop7h 15mDelta

Mon 4/204:00 pmBMI - SLC

1 stop9h 37mDelta

Deal found 12/19

$499

Last-minute flights from Utah to Illinois
Discover last-minute flight deals from Utah to Illinois. Data last updated December 21, 2025 and is based on user searches.

Sat 12/208:28 pmSLC - ORD

1 stop24h 11mFrontier

Sat 1/176:02 pmORD - SLC

1 stop14h 40mFrontier

Deal found 12/17

$234

Thu 12/252:53 pmSLC - STL

1 stop27h 54mFrontier

Wed 1/77:43 pmSTL - SLC

1 stop13h 54mFrontier

Deal found 12/19

$212

Sun 12/288:58 pmSLC - STL

2 stops23h 27mFrontier

Wed 1/77:43 pmSTL - SLC

1 stop13h 54mFrontier

Deal found 12/19

$234

Mon 1/55:33 pmSLC - ORD

1 stop5h 39mFrontier

Thu 1/810:32 pmORD - SLC

1 stop10h 58mFrontier

Deal found 12/19

$233

Thu 1/89:15 amSLC - ORD

1 stop11h 17mFrontier

Sat 1/106:51 pmORD - SLC

1 stop13h 50mFrontier

Deal found 12/18

$226

Fri 1/911:38 amSLC - ORD

1 stop10h 18mFrontier

Sat 1/105:50 amORD - SLC

2 stops18h 31mFrontier

Deal found 12/18

$231

Tue 1/132:18 pmSLC - STL

1 stop23h 30mFrontier

Fri 1/237:39 pmSTL - SLC

1 stop14h 05mFrontier

Deal found 12/20

$143

Fri 1/1611:50 amSLC - ORD

1 stop8h 34mFrontier

Sat 1/176:02 pmORD - SLC

1 stop14h 40mFrontier

Deal found 12/19

$227

Sat 1/178:40 amSLC - STL

1 stop5h 08mFrontier

Sat 1/243:46 pmSTL - SLC

1 stop26h 50mFrontier

Deal found 12/20

$133

Sat 1/176:29 pmSLC - MDW

1 stop23h 55mFrontier

Mon 2/99:45 amMDW - SLC

1 stop12h 54mFrontier

Deal found 12/18

$232

Thu 1/2212:15 pmSLC - STL

1 stop7h 51mFrontier

Mon 1/261:40 pmSTL - SLC

1 stop11h 34mFrontier

Deal found 12/19

$182

Mon 1/2611:45 amSLC - ORD

1 stop10h 04mMultiple Airlines

Wed 1/288:00 amORD - SLC

1 stop10h 36mMultiple Airlines

Deal found 12/19

$229

One-way flights from Utah to Illinois
Search for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated December 21, 2025.

Tue 1/273:24 pmSLC - STL

1 stop22h 22mFrontier

Deal found 12/19

$60

Tue 1/63:32 pmSLC - STL

1 stop17h 30mFrontier

Deal found 12/18

$63

Wed 1/218:35 amSLC - STL

1 stop5h 11mFrontier

Deal found 12/20

$64

Wed 1/148:40 amSLC - STL

1 stop5h 08mFrontier

Deal found 12/18

$66

Tue 1/132:18 pmSLC - STL

1 stop23h 30mFrontier

Deal found 12/18

$67

Sat 1/178:40 amSLC - STL

1 stop5h 08mFrontier

Deal found 12/20

$68

Sat 1/317:49 pmSLC - STL

1 stop14h 29mFrontier

Deal found 12/18

$70

Tue 2/108:01 pmSLC - STL

1 stop16h 57mFrontier

Deal found 12/18

$74

Sun 2/19:40 pmSLC - STL

1 stop14h 10mFrontier

Deal found 12/19

$75

Fri 1/1611:50 amSLC - ORD

2 stops33h 54mFrontier

Deal found 12/19

$100

Fri 2/209:59 pmSLC - MDW

2 stops16h 20mFrontier

Deal found 12/19

$100

Sat 2/2112:30 pmSLC - ORD

2 stops9h 47mFrontier

Deal found 12/18

$101

Find flight deals from Utah to Illinois

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$133 (Kiwi.com)
One-way from	$60 (Trip.com)
Popular in	December
Cheapest in	January
Average price	$467
Good round-trip deal	$431 or less
Good one-way deal	$249 or less

Provider with most accurate pricing for Salt Lake City-Chicago (CHI) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Salt Lake City-Chicago (CHI) flights.

Search Deals

From Utah to Illinois

Search Deals

One-way flight from Utah to Illinois

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Utah to Illinois.

Search Deals

Price to beat on a one-way flight from Utah to Illinois.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 1/13

2:18 pm-2:48 pm

1 stop23h 30m

Lambert-St Louis

Fri 1/23

7:39 pm-6:21 pm

2 stops23h 42m

$191

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Sat 1/17

7:13 pm-8:03 am

2 stops11h 50m

Chicago Midway

Sun 1/18

11:05 am-5:10 pm

1 stop7h 05m

$243

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Mon 1/26

7:00 am-11:50 pm

1 stop15h 50m

Chicago O'Hare Intl

Thu 1/29

3:35 pm-10:31 am

2 stops19h 56m

$269

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Fri 2/20

12:49 pm-11:41 pm

1 stop9h 52m

Chicago Midway

Sun 2/22

3:21 pm-10:00 pm

1 stop7h 39m

$272

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Thu 1/15

5:30 am-3:24 pm

1 stop8h 54m

Greater Peoria

Sun 2/1

5:16 pm-10:08 pm

1 stop5h 52m

$279

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Wed 2/4

8:20 am-11:50 pm

2 stops14h 30m

Chicago O'Hare Intl

Fri 2/6

2:06 pm-11:43 pm

2 stops10h 37m

$284

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Fri 2/6

6:16 pm-2:29 pm

1 stop19h 13m

Chicago O'Hare Intl

Sun 2/8

3:35 pm-10:31 am

2 stops19h 56m

$288

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Wed 2/18

5:10 am-2:10 pm

2 stops8h 00m

Greater Peoria

Sat 2/21

2:51 pm-10:26 pm

2 stops8h 35m

$289

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Tue 2/3

9:00 am-2:38 pm

1 stop28h 38m

Chicago O'Hare Intl

Tue 2/10

8:00 am-5:34 pm

1 stop10h 34m

$293

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Tue 2/3

12:17 pm-5:10 pm

1 stop27h 53m

Chicago O'Hare Intl

Fri 2/6

6:06 pm-11:43 pm

1 stop30h 37m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 60 results

...

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, April is the cheapest month in which you can book a flight from Utah to Illinois (average of $71). Flying from Utah to Illinois in December is currently the most expensive (average of $228). 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?

One of the essential ways to save on airfare from Utah to Illinois is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 70% on airfare.

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

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

Weekly flight availability from Utah to Illinois

The most flights from USUT to USIL are scheduled on a Sunday (33 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Illinois

Peruse reviews from past customers who have flown with Southwest, Delta, and United 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

4,257 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

8.0

Very good

4,257 reviews

Southwest

8.0

Very good

4,257 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,021 reviews

Southwest

8.0

Very good

4,257 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,099 reviews

Southwest

8.0

Very good

4,257 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,050 reviews

Southwest

8.0

Very good

4,257 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,082 reviews

Southwest

8.0

Very good

4,257 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Utah to Illinois?
Airlines like Frontier, Alaska Airlines, and American Airlines fly from Utah to Illinois in about 8h 54m. The time it takes to get you to your destination can typically vary by up to 14h 36m. There are 1163 mi between Utah and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from Utah to Illinois one-way?
To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $527. Turkish Airlines flights start at $598 while deals on Austrian Airlines start at $653 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, April is the cheapest month in which you can book a flight from Utah to Illinois (average of $71). Flying from Utah to Illinois in December is currently the most expensive (average of $228). 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

Top 7 airlines flying from Utah to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$88	Average$223	FlexibilityNo cancel fee	On-time62%
Allegiant Air	Cheapest$90	Average$185	FlexibilityNo cancel fee	On-time88%
Spirit Airlines	Cheapest$93	Average$208	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$181	Average$434	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$213	Average$458	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$224	Average$449	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$290	Average$471	FlexibilityNo cancel fee	On-time63%

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$60+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Utah to Illinois with Cheapflights

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Cheap flight deals from Utah to Illinois

Cheapest flights from Utah to IllinoisExplore 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 December 21, 2025.

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 December 21, 2025.

Find flight deals from Utah to Illinois

Keep the following information in mind while searching for Utah to Illinois flight deals. Data was last updated December 21, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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.

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?

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 December 21, 2025.

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

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

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 December 21, 2025.

Reviews of airlines servicing Illinois

Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.

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.

How long is the flight from Utah to Illinois?

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

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

How can I find direct flights from Utah to Illinois?

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Alternative routes for Utah to Illinois

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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 December 21, 2025.