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Illinois

$118+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$193
(KAYAK)

One-way from

$118
(Alaska Airlines)

Popular in

May

Cheapest in

August

Average price

$314

Good round-trip deal

$204 or less

Good one-way deal

$95 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. 17% potential increase in price ($64 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 June 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 junio 12, 2025.

This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/83:05 pmSLC - ORD
1 stop7h 38mSpirit Airlines
jue. 9/116:00 amORD - SLC
1 stop9h 10mSpirit Airlines
Deal found 6/11$193
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/84:03 pmSLC - MDW
1 stop5h 35mFrontier
jue. 9/114:29 pmMDW - SLC
1 stop8h 47mFrontier
Deal found 6/11$205
This Frontier deal was found by Cheapflights users on 6/12. 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.
jue. 8/148:42 pmSLC - STL
1 stop11h 29mFrontier
lun. 8/187:29 pmSTL - SLC
1 stop5h 35mFrontier
Deal found 6/12$207
This Frontier deal was found by Cheapflights users on 6/11. 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.
mié. 8/132:05 pmSLC - ORD
1 stop9h 05mFrontier
vie. 8/226:00 amORD - SLC
1 stop7h 39mFrontier
Deal found 6/11$216
This Delta deal was found by Cheapflights users on 6/10. 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.
lun. 8/45:59 pmSLC - ORD
Nonstop3h 09mDelta
lun. 8/117:45 amORD - SLC
Nonstop3h 21mDelta
Deal found 6/10$217
This Southwest deal was found by Cheapflights users on 6/9. 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.
jue. 8/75:10 amSLC - MDW
Nonstop3h 00mSouthwest
lun. 8/118:25 pmMDW - SLC
Nonstop3h 25mSouthwest
Deal found 6/9$217
This FlightHub deal was found by Cheapflights users on 6/10. 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.
mié. 8/2012:52 pmSLC - ORD
1 stop7h 50mMultiple Airlines
dom. 8/2411:00 amORD - SLC
1 stop28h 10mMultiple Airlines
Deal found 6/10$222
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 8/68:44 pmSLC - ORD
1 stop7h 56mAlaska Airlines
mié. 8/138:42 pmORD - SLC
1 stop14h 34mAlaska Airlines
Deal found 6/11$236
This Southwest deal was found by Cheapflights users on 6/10. 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.
jue. 8/142:45 pmSLC - ORD
2 stops7h 55mSouthwest
lun. 8/185:25 pmORD - SLC
1 stop6h 55mSouthwest
Deal found 6/10$242
This Delta deal was found by Cheapflights users on 6/11. 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.
mar. 7/151:10 pmSGU - ORD
1 stop7h 58mDelta
mar. 7/297:50 amORD - SGU
1 stop5h 41mDelta
Deal found 6/11$258
This American Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 7/175:11 pmSLC - MLI
1 stop5h 25mAmerican Airlines
mar. 7/224:22 pmMLI - SLC
1 stop7h 51mAmerican Airlines
Deal found 6/11$259
This United Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 9/188:20 amSLC - ORD
Nonstop3h 17mUnited Airlines
lun. 9/226:21 pmORD - SLC
1 stop5h 21mUnited Airlines
Deal found 6/11$264

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 junio 12, 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 CityChicago

SLC - ORD

SLCORD

Salt Lake City

lun. 9/8

3:05 pm-11:43 pm

1 stop7h 38m

Chicago O'Hare Intl

jue. 9/11

6:00 am-2:10 pm

1 stop9h 10m

$193

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

lun. 9/8

4:03 pm-10:38 pm

1 stop5h 35m

Chicago Midway

jue. 9/11

4:29 pm-12:16 am

1 stop8h 47m

$205

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

jue. 9/4

9:43 pm-9:07 am

1 stop10h 24m

Lambert-St Louis

dom. 9/14

7:52 pm-12:16 am

1 stop5h 24m

$214

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

mié. 8/13

2:05 pm-12:10 am

1 stop9h 05m

Chicago O'Hare Intl

vie. 8/22

6:00 am-12:39 pm

1 stop7h 39m

$216

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

lun. 8/4

5:59 pm-10:08 pm

Nonstop3h 09m

Chicago O'Hare Intl

lun. 8/11

7:45 am-10:06 am

Nonstop3h 21m

$217

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

jue. 8/7

5:10 am-9:10 am

Nonstop3h 00m

Chicago Midway

lun. 8/11

8:25 pm-10:50 pm

Nonstop3h 25m

$217

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

mié. 8/20

12:52 pm-9:42 pm

1 stop7h 50m

Chicago O'Hare Intl

dom. 8/24

11:00 am-2:10 pm

1 stop28h 10m

$222

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

mié. 8/6

7:12 pm-5:40 am

1 stop9h 28m

Chicago O'Hare Intl

lun. 8/11

6:00 am-1:02 pm

1 stop8h 02m

$236

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

jue. 8/14

2:45 pm-11:40 pm

2 stops7h 55m

Chicago O'Hare Intl

lun. 8/18

5:25 pm-11:20 pm

1 stop6h 55m

$242

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

mar. 7/15

1:10 pm-10:08 pm

1 stop7h 58m

Chicago O'Hare Intl

mar. 7/29

7:50 am-12:31 pm

1 stop5h 41m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 60 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 junio 12, 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 junio 12, 2025.

The most flights from USUT to USIL are scheduled on a Thursday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Illinois by month

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

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.

Temperature in Illinois by month

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

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).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Utah to Illinois to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Alaska Airlines, which is currently one of the cheapest options available, starting at $118. Frontier flights start at $118 while deals on United Airlines start at $119 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$206FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$88Average$164FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$146Average$527FlexibilityNo cancel feeOn-time71%
DeltaCheapest$154Average$402FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$165Average$514FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$192Average$471FlexibilityNo cancel feeOn-time63%

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