Illinois

$56+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Jan 26 — Feb 21
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Cheap flight deals from Utah to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Utah (USUT) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$115
(Frontier)

One-way from

$56
(Frontier)

Good round-trip deal

$234 or less

Good one-way deal

$236 or less
From Utah to Illinois
One-way flight from Utah to Illinois
Price to beat on a round-trip flight from Utah to Illinois.
Price to beat on a one-way flight from Utah to Illinois.

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 January 21, 2025.

This Frontier deal was found by Cheapflights users on 1/20. 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.
Fri 2/2112:36 pmSLC - STL
1 stop8h 32mFrontier
Sat 3/18:52 pmSTL - SLC
1 stop12h 48mFrontier
Deal found 1/20$115
This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1012:40 pmSLC - MDW
1 stop8h 47mFrontier
Wed 4/166:40 amMDW - SLC
1 stop26h 14mFrontier
Deal found 1/20$137
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Tue 3/410:23 amSLC - ORD
1 stop12h 16mFrontier
Tue 3/116:45 amORD - SLC
1 stop18h 55mFrontier
Deal found 1/21$138
This Justfly.com deal was found by Cheapflights users on 1/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/207:04 pmSLC - ORD
1 stop9h 24mMultiple Airlines
Sat 2/227:59 pmORD - SLC
1 stop13h 41mMultiple Airlines
Deal found 1/21$154
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1912:09 pmSLC - ORD
1 stop8h 41mSpirit Airlines
Thu 2/2010:45 pmORD - SLC
1 stop13h 29mSpirit Airlines
Deal found 1/21$177
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/41:12 pmSLC - MLI
1 stop6h 30mUnited Airlines
Sat 2/83:59 pmMLI - SLC
1 stop7h 55mUnited Airlines
Deal found 1/20$249
This Delta deal was found by Cheapflights users on 1/20. 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 2/66:00 amSLC - MLI
1 stop9h 25mDelta
Mon 2/105:05 pmMLI - SLC
1 stop7h 37mDelta
Deal found 1/20$289
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/1911:59 pmSLC - PIA
1 stop9h 50mAmerican Airlines
Tue 2/253:37 pmPIA - SLC
1 stop6h 17mAmerican Airlines
Deal found 1/21$299
This Sun Country Air deal was found by Cheapflights users on 1/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:40 pmSLC - ORD
1 stop23h 31mSun Country Air
Thu 7/108:10 pmORD - SLC
1 stop22h 32mSun Country Air
Deal found 1/20$310
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/239:28 pmSLC - STL
1 stop10h 48mMultiple Airlines
Tue 3/46:10 amSTL - SLC
2 stops12h 13mMultiple Airlines
Deal found 1/20$322
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/48:00 amSLC - PIA
1 stop5h 58mUnited Airlines
Sat 2/83:36 pmPIA - SLC
1 stop8h 18mUnited Airlines
Deal found 1/20$338
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 3/195:30 amSLC - STL
1 stop10h 11mAmerican Airlines
Tue 3/259:28 amSTL - SLC
1 stop11h 58mAmerican Airlines
Deal found 1/21$343

Find flights from Utah to Illinois within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 2/21

12:36 pm-10:08 pm

1 stop8h 32m

Lambert-St Louis

Sat 3/1

8:52 pm-8:40 am

1 stop12h 48m

$115

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Thu 4/10

12:40 pm-10:27 pm

1 stop8h 47m

Chicago Midway

Wed 4/16

6:40 am-7:54 am

1 stop26h 14m

$137

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Tue 3/4

10:23 am-11:39 pm

1 stop12h 16m

Chicago O'Hare Intl

Tue 3/11

6:45 am-12:40 am

1 stop18h 55m

$138

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Thu 2/20

7:04 pm-5:28 am

1 stop9h 24m

Chicago O'Hare Intl

Sat 2/22

7:59 pm-8:40 am

1 stop13h 41m

$154

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Wed 2/19

12:09 pm-9:50 pm

1 stop8h 41m

Chicago O'Hare Intl

Thu 2/20

10:45 pm-11:14 am

1 stop13h 29m

$177

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Tue 2/4

1:12 pm-8:42 pm

1 stop6h 30m

Moline Quad-City

Sat 2/8

3:59 pm-10:54 pm

1 stop7h 55m

$249

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Thu 2/6

6:00 am-4:25 pm

1 stop9h 25m

Moline Quad-City

Mon 2/10

5:05 pm-11:42 pm

1 stop7h 37m

$289

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Wed 2/19

11:59 pm-10:49 am

1 stop9h 50m

Greater Peoria

Tue 2/25

3:37 pm-8:54 pm

1 stop6h 17m

$299

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Sat 7/5

6:40 pm-7:11 pm

1 stop23h 31m

Chicago O'Hare Intl

Thu 7/10

8:10 pm-5:42 pm

1 stop22h 32m

$310

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sun 2/23

9:28 pm-9:16 am

1 stop10h 48m

Lambert-St Louis

Tue 3/4

6:10 am-5:23 pm

2 stops12h 13m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 56 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.

Travel insights for flights from Utah to Illinois

Get recent, data-driven insights about flights from Utah to Illinois including ideal travel times, pricing trends, and more.

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 $320). 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 January 21, 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 January 21, 2025.

The most flights from USUT to USIL are scheduled on a Monday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 January 21, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines and Alaska Airlines 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.
8.1
Very good
4,662 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.1
Very good
4,662 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.0
Very good
9,706 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.0
Very good
8,521 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

7.4
Good
8,985 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

7.2
Good
10,000 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

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 $56. American Airlines flights start at $100 while deals on United Airlines start at $105 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 $320). 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

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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.

Top 7 airlines flying from Utah to Illinois

Discover the top 7 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$194FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$88Average$180FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$123Average$320FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$145Average$547FlexibilityNo cancel feeOn-time71%
DeltaCheapest$151Average$474FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$166Average$385FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$180Average$554FlexibilityNo cancel feeOn-time69%
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