How long is the flight from Utah to Illinois?

Airlines like Frontier, United Airlines, and Delta fly from Utah to Illinois in about 7h 18m. The time it takes to get you to your destination can typically vary by up to 10h 12m. There are 1403 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 Allegiant Air, which is currently one of the cheapest options available, starting at $49. Frontier flights start at $53 while deals on Spirit Airlines start at $77 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.

$55+ 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 11, 2025.

Sat 12/209:33 pmSLC - ORD

1 stop25h 39mFrontier

Thu 1/19:33 pmORD - SLC

1 stop11h 08mFrontier

Deal found 12/10

$232

Tue 12/239:07 pmSLC - ORD

1 stop26h 05mFrontier

Tue 12/3010:22 pmORD - SLC

1 stop11h 43mFrontier

Deal found 12/10

$234

Tue 12/309:07 pmSLC - ORD

1 stop26h 05mFrontier

Fri 1/29:31 pmORD - SLC

1 stop11h 45mFrontier

Deal found 12/9

$238

Sat 12/278:58 pmSLC - ORD

1 stop26h 14mFrontier

Tue 12/3010:22 pmORD - SLC

1 stop11h 43mFrontier

Deal found 12/10

$247

Thu 12/257:20 amSLC - ORD

1 stop15h 52mFrontier

Tue 12/3010:22 pmORD - SLC

1 stop11h 43mFrontier

Deal found 12/10

$258

Sat 12/209:33 pmSLC - ORD

1 stop25h 39mFrontier

Tue 12/2310:22 pmORD - SLC

1 stop11h 43mFrontier

Deal found 12/10

$259

Wed 12/312:30 pmSLC - ORD

1 stop8h 42mFrontier

Fri 1/21:27 pmORD - SLC

2 stops19h 45mFrontier

Deal found 12/9

$260

Thu 12/257:20 amSLC - ORD

1 stop15h 52mFrontier

Fri 1/29:31 pmORD - SLC

1 stop11h 45mFrontier

Deal found 12/11

$263

Mon 12/298:58 pmSLC - ORD

1 stop26h 14mFrontier

Wed 12/317:00 amORD - SLC

1 stop18h 07mFrontier

Deal found 12/9

$269

Wed 12/2410:25 pmSLC - STL

1 stop16h 59mFrontier

Sun 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/10

$270

Fri 12/268:58 pmSLC - STL

1 stop12h 04mFrontier

Sun 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/10

$271

Mon 12/225:33 pmSLC - ORD

1 stop5h 39mMultiple Airlines

Mon 1/57:57 pmORD - SLC

2 stops28h 24mMultiple Airlines

Deal found 12/8

$273

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 11, 2025.

Tue 1/63:32 pmSLC - STL

1 stop17h 30mFrontier

Sat 1/107:43 pmSTL - SLC

1 stop14h 04mFrontier

Deal found 12/9

$166

Thu 2/512:15 pmSLC - MLI

1 stop7h 21mMultiple Airlines

Sun 2/89:26 pmMLI - SLC

2 stops24h 37mMultiple Airlines

Deal found 12/10

$250

Thu 1/2212:07 pmSGU - ORD

1 stop7h 18mUnited Airlines

Wed 1/287:00 amORD - SGU

1 stop8h 08mUnited Airlines

Deal found 12/10

$258

Thu 1/225:50 amSGU - ORD

2 stops9h 48mDelta

Wed 1/286:40 pmORD - SGU

1 stop6h 18mDelta

Deal found 12/10

$284

Sat 1/177:00 amSLC - ORD

1 stop15h 50mAlaska Airlines

Tue 1/209:00 amORD - SLC

1 stop28h 31mAlaska Airlines

Deal found 12/10

$292

Fri 1/911:23 amSGU - ORD

1 stop5h 36mAmerican Airlines

Fri 1/165:05 amORD - SGU

1 stop6h 48mAmerican Airlines

Deal found 12/10

$298

Thu 1/17:21 pmSLC - ORD

1 stop14h 30mSun Country Air

Mon 1/56:38 pmORD - SLC

1 stop25h 19mSun Country Air

Deal found 12/10

$305

Sat 1/177:35 amSLC - MDW

Nonstop3h 20mSouthwest

Tue 1/2010:30 amMDW - SLC

1 stop9h 35mSouthwest

Deal found 12/10

$345

Thu 1/2212:15 pmSLC - STL

1 stop7h 51mFrontier

Mon 1/261:40 pmSTL - SLC

1 stop11h 34mFrontier

Deal found 12/11

$176

Wed 2/187:30 amSLC - PIA

1 stop5h 40mUnited Airlines

Mon 2/235:25 pmPIA - SLC

1 stop6h 14mUnited Airlines

Deal found 12/8

$259

Mon 1/58:41 pmSLC - MDW

1 stop15h 12mFrontier

Sun 1/1811:05 amMDW - SLC

1 stop7h 05mFrontier

Deal found 12/9

$247

Thu 1/225:50 amSGU - MDW

2 stops11h 05mDelta

Tue 1/279:50 amMDW - SGU

2 stops9h 42mDelta

Deal found 12/10

$289

Tue 1/67:18 pmSLC - ORD

1 stop18h 11mAlaska Airlines

Mon 1/126:06 pmORD - SLC

1 stop27h 52mAlaska Airlines

Deal found 12/10

$297

Mon 1/57:20 amSLC - STL

2 stops11h 47mFrontier

Wed 1/77:43 pmSTL - SLC

1 stop13h 54mFrontier

Deal found 12/10

$251

Fri 2/67:35 amSLC - MLI

2 stops11h 59mUnited Airlines

Sun 2/85:29 pmMLI - SLC

1 stop6h 16mUnited Airlines

Deal found 12/10

$284

Fri 2/68:20 amSLC - ORD

2 stops14h 30mAlaska Airlines

Sun 2/89:00 amORD - SLC

1 stop28h 16mAlaska Airlines

Deal found 12/10

$298

Thu 1/17:21 pmSLC - ORD

1 stop14h 30mMultiple Airlines

Mon 1/57:38 pmORD - SLC

2 stops28h 43mMultiple Airlines

Deal found 12/10

$331

Wed 12/2410:25 pmSLC - STL

1 stop16h 59mFrontier

Sun 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/10

$270

Thu 12/258:05 amSLC - MDW

Nonstop3h 25mSouthwest

Wed 12/315:15 pmMDW - SLC

1 stop6h 05mSouthwest

Deal found 12/10

$376

Sat 1/317:00 amSLC - ORD

1 stop15h 50mAlaska Airlines

Sun 2/19:00 amORD - SLC

1 stop12h 44mAlaska Airlines

Deal found 12/9

$312

Sun 12/217:15 amSLC - PIA

1 stop8h 28mUnited Airlines

Sun 2/225:25 pmPIA - SLC

1 stop6h 39mUnited Airlines

Deal found 12/9

$329

Thu 1/18:58 pmSLC - MDW

2 stops24h 14mFrontier

Tue 1/62:03 pmMDW - SLC

1 stop26h 50mFrontier

Deal found 12/10

$284

Wed 1/286:25 amSLC - STL

2 stops9h 10mSouthwest

Mon 2/25:55 amSTL - SLC

2 stops9h 00mSouthwest

Deal found 12/10

$390

Thu 1/225:10 amSGU - ORD

1 stop5h 24mUnited Airlines

Tue 1/277:00 amORD - SGU

1 stop8h 08mUnited Airlines

Deal found 12/10

$338

Fri 1/168:20 amSLC - ORD

2 stops14h 30mAlaska Airlines

Fri 1/232:06 pmORD - SLC

2 stops10h 37mAlaska Airlines

Deal found 12/10

$343

Thu 1/225:50 amSGU - ORD

2 stops11h 55mDelta

Thu 1/297:20 amORD - SGU

1 stop8h 21mDelta

Deal found 12/10

$419

Thu 1/2212:07 pmSGU - ORD

1 stop7h 18mUnited Airlines

Thu 1/297:10 amORD - SGU

1 stop9h 55mUnited Airlines

Deal found 12/10

$338

Fri 1/1612:55 pmSLC - MDW

Nonstop3h 05mSouthwest

Sat 1/178:25 amMDW - SLC

Nonstop3h 40mSouthwest

Deal found 12/9

$417

Sat 1/177:00 amSLC - ORD

1 stop15h 50mAlaska Airlines

Wed 1/216:06 pmORD - SLC

1 stop30h 37mAlaska Airlines

Deal found 12/10

$352

Wed 4/87:20 amSLC - MDW

2 stops15h 22mFrontier

Sun 4/128:00 amMDW - SLC

1 stop9h 29mFrontier

Deal found 12/9

$329

Last-minute flights from Utah to Illinois
Discover last-minute flight deals from Utah to Illinois. Data last updated December 11, 2025 and is based on user searches.

Tue 1/63:32 pmSLC - STL

1 stop17h 30mFrontier

Sat 1/107:43 pmSTL - SLC

1 stop14h 04mFrontier

Deal found 12/9

$166

Tue 1/64:48 pmSLC - STL

2 stops42h 24mFrontier

Sun 1/119:46 pmSTL - SLC

1 stop11h 44mFrontier

Deal found 12/9

$177

Tue 1/67:34 pmSLC - ORD

1 stop19h 26mMultiple Airlines

Fri 1/94:30 pmORD - SLC

1 stop8h 47mMultiple Airlines

Deal found 12/9

$216

Wed 1/74:41 pmSLC - STL

1 stop18h 31mFrontier

Mon 1/121:07 pmSTL - SLC

1 stop23h 34mFrontier

Deal found 12/10

$132

Thu 1/88:05 pmSLC - STL

1 stop15h 07mFrontier

Sun 1/119:46 pmSTL - SLC

1 stop11h 44mFrontier

Deal found 12/10

$153

Sun 1/1111:48 amSLC - ORD

1 stop8h 09mFrontier

Tue 1/1312:00 pmORD - SLC

2 stops12h 00mFrontier

Deal found 12/9

$213

Sun 1/1111:48 amSLC - ORD

1 stop8h 09mFrontier

Thu 1/1510:41 pmORD - SLC

1 stop11h 19mFrontier

Deal found 12/9

$217

Wed 1/148:40 amSLC - STL

1 stop5h 08mFrontier

Fri 1/167:27 pmSTL - SLC

1 stop6h 07mFrontier

Deal found 12/9

$142

Thu 1/156:12 pmSLC - STL

1 stop17h 28mFrontier

Sun 1/1810:09 pmSTL - SLC

1 stop11h 51mFrontier

Deal found 12/10

$159

Fri 1/169:31 pmSLC - STL

1 stop16h 17mFrontier

Sun 1/181:35 pmSTL - SLC

1 stop20h 25mFrontier

Deal found 12/10

$148

Tue 1/203:24 pmSLC - STL

1 stop22h 22mFrontier

Fri 1/237:39 pmSTL - SLC

1 stop24h 15mFrontier

Deal found 12/8

$135

Thu 1/229:19 pmSLC - STL

1 stop20h 25mFrontier

Mon 1/269:45 pmSTL - SLC

1 stop17h 51mFrontier

Deal found 12/9

$128

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 11, 2025.

Wed 1/148:40 amSLC - STL

1 stop5h 08mFrontier

Deal found 12/8

$55

Tue 1/132:18 pmSLC - STL

1 stop23h 30mFrontier

Deal found 12/8

$56

Tue 2/106:41 pmSLC - STL

1 stop14h 21mFrontier

Deal found 12/9

$57

Fri 1/99:40 pmSLC - STL

1 stop11h 22mFrontier

Deal found 12/10

$60

Fri 1/309:19 pmSLC - STL

1 stop16h 27mFrontier

Deal found 12/8

$61

Wed 1/74:41 pmSLC - STL

1 stop18h 31mFrontier

Deal found 12/10

$62

Fri 1/232:04 pmSLC - STL

1 stop5h 44mFrontier

Deal found 12/9

$64

Sat 1/178:40 amSLC - STL

1 stop5h 08mFrontier

Deal found 12/10

$66

Fri 1/1611:50 amSLC - STL

1 stop25h 58mFrontier

Deal found 12/10

$68

Fri 1/99:40 pmSLC - ORD

2 stops23h 56mFrontier

Deal found 12/10

$100

Wed 1/74:41 pmSLC - ORD

2 stops29h 05mFrontier

Deal found 12/10

$101

Wed 1/217:30 pmSLC - MDW

2 stops25h 49mFrontier

Deal found 12/9

$101

Find flight deals from Utah to Illinois

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$128 (Expedia)
One-way from	$55 (WAYA)
Popular in	December
Cheapest in	September
Average price	$469
Good round-trip deal	$456 or less
Good one-way deal	$198 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. 9% potential increase in price ($37 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 1/6

3:32 pm-10:02 am

1 stop17h 30m

Lambert-St Louis

Sat 1/10

7:43 pm-8:47 am

1 stop14h 04m

$166

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 1/22

12:15 pm-9:06 pm

1 stop7h 51m

Lambert-St Louis

Mon 1/26

1:40 pm-12:14 am

1 stop11h 34m

$176

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Mon 1/5

8:41 pm-12:53 pm

1 stop15h 12m

Chicago Midway

Sun 1/18

11:05 am-5:10 pm

1 stop7h 05m

$247

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Thu 2/5

12:15 pm-8:36 pm

1 stop7h 21m

Moline Quad-City

Sun 2/8

9:26 pm-9:03 pm

2 stops24h 37m

$250

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 1/5

7:20 am-8:07 pm

2 stops11h 47m

Lambert-St Louis

Wed 1/7

7:43 pm-8:37 am

1 stop13h 54m

$251

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Thu 1/22

12:07 pm-8:25 pm

1 stop7h 18m

Chicago O'Hare Intl

Wed 1/28

7:00 am-2:08 pm

1 stop8h 08m

$258

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Wed 2/18

7:30 am-2:10 pm

1 stop5h 40m

Greater Peoria

Mon 2/23

5:25 pm-10:39 pm

1 stop6h 14m

$259

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 12/24

10:25 pm-4:24 pm

1 stop16h 59m

Lambert-St Louis

Sun 1/4

10:10 pm-9:33 pm

1 stop24h 23m

$270

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Thu 1/22

5:50 am-4:38 pm

2 stops9h 48m

Chicago O'Hare Intl

Wed 1/28

6:40 pm-11:58 pm

1 stop6h 18m

$284

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Fri 2/6

7:35 am-8:34 pm

2 stops11h 59m

Moline Quad-City

Sun 2/8

5:29 pm-10:45 pm

1 stop6h 16m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 $70). 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 Monday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 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

7.9

Good

4,252 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

7.9

Good

4,252 reviews

Southwest

7.9

Good

4,252 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

8,008 reviews

Southwest

7.9

Good

4,252 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

9,094 reviews

Southwest

7.9

Good

4,252 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

11,048 reviews

Southwest

7.9

Good

4,252 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

3,084 reviews

Southwest

7.9

Good

4,252 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, United Airlines, and Delta fly from Utah to Illinois in about 7h 18m. The time it takes to get you to your destination can typically vary by up to 10h 12m. There are 1403 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 Allegiant Air, which is currently one of the cheapest options available, starting at $49. Frontier flights start at $53 while deals on Spirit Airlines start at $77 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 $70). 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$219	FlexibilityNo cancel fee	On-time62%
Allegiant Air	Cheapest$90	Average$180	FlexibilityNo cancel fee	On-time88%
Spirit Airlines	Cheapest$93	Average$208	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$181	Average$438	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$209	Average$458	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$232	Average$451	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$290	Average$471	FlexibilityNo cancel fee	On-time63%

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$55+ 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 1/14. 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 11, 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 11, 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 11, 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 11, 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 11, 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?

Can I find deals for business class flights from 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 11, 2025.