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 7h 49m. 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 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

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Utah to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 diciembre 12, 2025.

sáb. 12/209:33 pmSLC - ORD

1 stop25h 39mFrontier

jue. 1/19:33 pmORD - SLC

1 stop11h 08mFrontier

Deal found 12/10

$232

mar. 12/305:33 pmSLC - ORD

1 stop5h 39mFrontier

lun. 1/57:00 amORD - SLC

1 stop5h 37mFrontier

Deal found 12/11

$233

mar. 12/239:07 pmSLC - ORD

1 stop26h 05mFrontier

mar. 12/3010:22 pmORD - SLC

1 stop11h 43mFrontier

Deal found 12/11

$234

mar. 12/309:07 pmSLC - ORD

1 stop26h 05mFrontier

vie. 1/29:31 pmORD - SLC

1 stop11h 45mFrontier

Deal found 12/9

$238

sáb. 12/278:58 pmSLC - ORD

1 stop26h 14mFrontier

mar. 12/3010:22 pmORD - SLC

1 stop11h 43mFrontier

Deal found 12/10

$247

jue. 12/257:20 amSLC - ORD

1 stop15h 52mFrontier

mar. 12/3010:22 pmORD - SLC

1 stop11h 43mFrontier

Deal found 12/10

$258

vie. 12/1910:25 pmSLC - STL

1 stop22h 00mFrontier

lun. 12/227:43 pmSTL - SLC

1 stop13h 29mFrontier

Deal found 12/11

$258

sáb. 12/209:33 pmSLC - ORD

1 stop25h 39mFrontier

mar. 12/2310:22 pmORD - SLC

1 stop11h 43mFrontier

Deal found 12/10

$259

sáb. 12/209:33 pmSLC - MDW

1 stop23h 17mFrontier

dom. 12/2110:50 pmMDW - SLC

1 stop10h 22mFrontier

Deal found 12/11

$262

jue. 12/257:20 amSLC - ORD

1 stop15h 52mFrontier

vie. 1/29:31 pmORD - SLC

1 stop11h 45mFrontier

Deal found 12/11

$263

mié. 12/2410:25 pmSLC - STL

1 stop16h 59mFrontier

dom. 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/10

$270

vie. 12/268:58 pmSLC - STL

1 stop12h 04mFrontier

dom. 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/10

$271

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 diciembre 12, 2025.

jue. 1/88:05 pmSLC - STL

1 stop15h 07mFrontier

dom. 1/119:46 pmSTL - SLC

1 stop11h 44mFrontier

Deal found 12/10

$153

jue. 2/512:15 pmSLC - MLI

1 stop7h 21mMultiple Airlines

dom. 2/89:26 pmMLI - SLC

2 stops24h 37mMultiple Airlines

Deal found 12/10

$250

jue. 1/2212:07 pmSGU - ORD

1 stop7h 18mUnited Airlines

mié. 1/287:00 amORD - SGU

1 stop8h 08mUnited Airlines

Deal found 12/10

$258

jue. 1/225:50 amSGU - ORD

2 stops9h 48mDelta

mié. 1/286:40 pmORD - SGU

1 stop6h 18mDelta

Deal found 12/10

$284

mar. 1/67:18 pmSLC - ORD

1 stop18h 11mAlaska Airlines

lun. 1/126:06 pmORD - SLC

1 stop24h 28mAlaska Airlines

Deal found 12/11

$297

vie. 1/911:23 amSGU - ORD

1 stop5h 36mAmerican Airlines

vie. 1/165:05 amORD - SGU

1 stop6h 48mAmerican Airlines

Deal found 12/10

$298

jue. 1/17:21 pmSLC - ORD

1 stop14h 30mSun Country Air

lun. 1/56:38 pmORD - SLC

1 stop25h 19mSun Country Air

Deal found 12/10

$305

sáb. 1/177:35 amSLC - MDW

Nonstop3h 20mSouthwest

dom. 1/188:30 amMDW - SLC

Nonstop3h 45mSouthwest

Deal found 12/11

$335

jue. 1/2212:15 pmSLC - STL

1 stop7h 51mFrontier

lun. 1/261:40 pmSTL - SLC

1 stop11h 34mFrontier

Deal found 12/11

$176

lun. 1/57:20 amSLC - STL

2 stops11h 47mFrontier

mié. 1/77:43 pmSTL - SLC

1 stop13h 54mFrontier

Deal found 12/10

$251

vie. 1/232:28 pmSLC - PIA

1 stop6h 11mUnited Airlines

dom. 1/255:18 pmPIA - SLC

1 stop6h 27mUnited Airlines

Deal found 12/11

$279

jue. 1/225:50 amSGU - MDW

2 stops11h 05mDelta

mar. 1/279:50 amMDW - SGU

2 stops9h 42mDelta

Deal found 12/10

$289

vie. 2/68:20 amSLC - ORD

2 stops14h 30mAlaska Airlines

dom. 2/89:00 amORD - SLC

1 stop28h 16mAlaska Airlines

Deal found 12/10

$298

mar. 2/248:01 pmSLC - STL

1 stop18h 52mFrontier

mar. 3/108:06 pmSTL - SLC

1 stop13h 54mFrontier

Deal found 12/11

$263

vie. 2/62:45 pmSLC - MLI

1 stop4h 49mUnited Airlines

dom. 2/85:29 pmMLI - SLC

1 stop6h 16mUnited Airlines

Deal found 12/10

$313

jue. 2/196:20 amSLC - ORD

1 stop9h 13mAlaska Airlines

mar. 3/108:20 amORD - SLC

2 stops10h 40mAlaska Airlines

Deal found 12/11

$318

sáb. 1/177:35 amSLC - MDW

Nonstop3h 20mSouthwest

mar. 1/208:10 amMDW - SLC

2 stops8h 40mSouthwest

Deal found 12/10

$350

mié. 12/2410:25 pmSLC - STL

1 stop16h 59mFrontier

dom. 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/10

$270

vie. 3/136:52 pmSLC - ORD

1 stop28h 07mAlaska Airlines

dom. 3/157:00 amORD - SLC

1 stop29h 48mAlaska Airlines

Deal found 12/11

$322

jue. 1/225:10 amSGU - ORD

1 stop5h 24mUnited Airlines

mar. 1/277:00 amORD - SGU

1 stop8h 08mUnited Airlines

Deal found 12/10

$338

jue. 12/258:05 amSLC - MDW

Nonstop3h 25mSouthwest

mié. 12/315:15 pmMDW - SLC

1 stop6h 05mSouthwest

Deal found 12/10

$376

lun. 1/263:40 pmSLC - ORD

2 stops20h 30mAlaska Airlines

jue. 1/293:35 pmORD - SLC

2 stops19h 56mAlaska Airlines

Deal found 12/10

$323

jue. 1/2212:07 pmSGU - ORD

1 stop7h 18mUnited Airlines

jue. 1/297:10 amORD - SGU

1 stop9h 55mUnited Airlines

Deal found 12/10

$338

jue. 1/225:50 amSGU - ORD

2 stops11h 55mDelta

jue. 1/297:20 amORD - SGU

1 stop8h 21mDelta

Deal found 12/10

$419

jue. 1/18:58 pmSLC - STL

1 stop12h 04mFrontier

dom. 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/11

$320

mié. 4/2211:30 amSGU - ORD

1 stop7h 55mUnited Airlines

sáb. 4/258:50 amORD - SGU

1 stop8h 14mUnited Airlines

Deal found 12/9

$338

sáb. 2/77:35 amSLC - MDW

Nonstop3h 20mSouthwest

mar. 2/107:45 amMDW - SLC

1 stop6h 55mSouthwest

Deal found 12/10

$413

vie. 1/168:20 amSLC - ORD

2 stops14h 30mAlaska Airlines

vie. 1/232:06 pmORD - SLC

2 stops10h 37mAlaska Airlines

Deal found 12/10

$343

jue. 1/88:20 amSLC - PIA

1 stop5h 03mUnited Airlines

lun. 1/121:24 pmPIA - SLC

1 stop6h 18mUnited Airlines

Deal found 12/9

$339

sáb. 2/145:00 amSLC - MDW

Nonstop3h 20mSouthwest

lun. 2/169:50 pmMDW - SLC

Nonstop3h 30mSouthwest

Deal found 12/10

$417

Last-minute flights from Utah to Illinois
Discover last-minute flight deals from Utah to Illinois. Data last updated diciembre 12, 2025 and is based on user searches.

dom. 1/48:58 pmSLC - STL

1 stop12h 04mFrontier

sáb. 1/107:43 pmSTL - SLC

1 stop14h 04mFrontier

Deal found 12/11

$196

dom. 1/48:58 pmSLC - ORD

2 stops25h 56mFrontier

vie. 1/94:30 pmORD - SLC

1 stop8h 47mFrontier

Deal found 12/10

$218

mar. 1/67:34 pmSLC - MDW

2 stops17h 32mMultiple Airlines

lun. 1/129:15 amMDW - SLC

1 stop10h 12mMultiple Airlines

Deal found 12/10

$220

mié. 1/74:41 pmSLC - STL

1 stop18h 31mFrontier

lun. 1/121:07 pmSTL - SLC

1 stop23h 34mFrontier

Deal found 12/10

$132

jue. 1/88:05 pmSLC - STL

1 stop15h 07mFrontier

dom. 1/119:46 pmSTL - SLC

1 stop11h 44mFrontier

Deal found 12/10

$153

vie. 1/98:26 amSLC - ORD

2 stops9h 32mFrontier

sáb. 1/176:02 pmORD - SLC

1 stop14h 40mFrontier

Deal found 12/10

$221

jue. 1/156:12 pmSLC - STL

1 stop17h 28mFrontier

dom. 1/1810:09 pmSTL - SLC

1 stop11h 51mFrontier

Deal found 12/10

$159

vie. 1/169:31 pmSLC - STL

1 stop16h 17mFrontier

dom. 1/181:35 pmSTL - SLC

1 stop20h 25mFrontier

Deal found 12/10

$148

vie. 1/1611:50 amSLC - MDW

1 stop7h 04mFrontier

sáb. 1/176:10 amMDW - SLC

2 stops17h 50mFrontier

Deal found 12/9

$218

dom. 1/182:43 pmSLC - STL

2 stops15h 08mMultiple Airlines

vie. 1/237:39 pmSTL - SLC

1 stop14h 05mMultiple Airlines

Deal found 12/10

$193

dom. 1/187:23 pmSLC - ORD

2 stops27h 20mFrontier

jue. 1/229:00 amORD - SLC

1 stop7h 45mFrontier

Deal found 12/10

$223

jue. 1/229:19 pmSLC - STL

1 stop20h 25mFrontier

lun. 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 diciembre 12, 2025.

vie. 1/99:40 pmSLC - STL

1 stop11h 22mFrontier

Deal found 12/10

$60

mié. 1/74:41 pmSLC - STL

1 stop18h 31mFrontier

Deal found 12/10

$62

mar. 1/132:18 pmSLC - STL

1 stop23h 30mFrontier

Deal found 12/11

$63

mié. 3/48:00 amSLC - STL

1 stop6h 53mFrontier

Deal found 12/11

$64

mié. 1/148:40 amSLC - STL

1 stop5h 08mFrontier

Deal found 12/11

$65

sáb. 1/178:40 amSLC - STL

1 stop5h 08mFrontier

Deal found 12/11

$66

vie. 1/169:31 pmSLC - STL

1 stop16h 17mFrontier

Deal found 12/11

$68

jue. 1/229:19 pmSLC - STL

1 stop20h 25mFrontier

Deal found 12/10

$70

dom. 1/113:29 pmSLC - STL

1 stop17h 33mFrontier

Deal found 12/10

$74

jue. 1/1512:40 pmSLC - STL

1 stop23h 00mFrontier

Deal found 12/11

$75

lun. 2/29:19 pmSLC - ORD

2 stops20h 08mFrontier

Deal found 12/10

$100

mié. 1/74:41 pmSLC - ORD

2 stops29h 05mFrontier

Deal found 12/10

$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	$60 (Trip.com)
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

jue. 1/8

8:05 pm-12:12 pm

1 stop15h 07m

Lambert-St Louis

dom. 1/11

9:46 pm-8:30 am

1 stop11h 44m

$153

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

jue. 1/22

12:15 pm-9:06 pm

1 stop7h 51m

Lambert-St Louis

lun. 1/26

1:40 pm-12:14 am

1 stop11h 34m

$176

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

jue. 2/5

12:15 pm-8:36 pm

1 stop7h 21m

Moline Quad-City

dom. 2/8

9:26 pm-9:03 pm

2 stops24h 37m

$250

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

lun. 1/5

7:20 am-8:07 pm

2 stops11h 47m

Lambert-St Louis

mié. 1/7

7:43 pm-8:37 am

1 stop13h 54m

$251

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

jue. 1/22

12:07 pm-8:25 pm

1 stop7h 18m

Chicago O'Hare Intl

mié. 1/28

7:00 am-2:08 pm

1 stop8h 08m

$258

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

mar. 2/24

8:01 pm-3:53 pm

1 stop18h 52m

Lambert-St Louis

mar. 3/10

8:06 pm-9:00 am

1 stop13h 54m

$263

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

mié. 12/24

10:25 pm-4:24 pm

1 stop16h 59m

Lambert-St Louis

dom. 1/4

10:10 pm-9:33 pm

1 stop24h 23m

$270

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

vie. 1/23

2:28 pm-9:39 pm

1 stop6h 11m

Greater Peoria

dom. 1/25

5:18 pm-10:45 pm

1 stop6h 27m

$279

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

jue. 1/22

5:50 am-4:38 pm

2 stops9h 48m

Chicago O'Hare Intl

mié. 1/28

6:40 pm-11:58 pm

1 stop6h 18m

$284

Saint GeorgeChicago

SGU - MDW

SGUMDW

Saint George

jue. 1/22

5:50 am-5:55 pm

2 stops11h 05m

Chicago Midway

mar. 1/27

9:50 am-6:32 pm

2 stops9h 42m

$289

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

4,253 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

4,253 reviews

Southwest

7.9

Good

4,253 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

4,253 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

9,095 reviews

Southwest

7.9

Good

4,253 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

7.9

Good

4,253 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

4,253 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 7h 49m. 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 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 $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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$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 1/9. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 diciembre 12, 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 diciembre 12, 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 diciembre 12, 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 diciembre 12, 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 diciembre 12, 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?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Utah to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Utah to Illinois

100% Free

Book with Flexibility

Travel Smart

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 diciembre 12, 2025.