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Salt Lake City

$55+ Cheap flights from Illinois to Salt Lake City (SLC)

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Illinois to Salt Lake City

Cheapest flights from Illinois to Salt Lake City
Explore the most affordable flight options available from Illinois to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 2/282:51 pm
STL
-
SLC
1 stop18h 53m
Frontier
Tue 3/109:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Deal found 1/27$125
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/271:59 pm
STL
-
SLC
1 stop22h 46m
Frontier
Fri 3/69:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Deal found 1/28$131
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Fri 2/271:59 pm
STL
-
SLC
1 stop22h 46m
Frontier
Tue 3/109:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Deal found 1/27$133
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 2/2610:11 pm
STL
-
SLC
1 stop11h 19m
Frontier
Fri 2/274:13 pm
SLC
-
STL
1 stop24h 33m
Frontier
Deal found 1/26$136
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 2/282:51 pm
STL
-
SLC
1 stop18h 53m
Frontier
Sun 3/89:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Deal found 1/27$138
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 3/28:47 pm
STL
-
SLC
1 stop16h 14m
Frontier
Tue 3/109:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Deal found 1/27$140
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Fri 2/271:59 pm
STL
-
SLC
1 stop22h 46m
Frontier
Tue 3/38:01 pm
SLC
-
STL
1 stop18h 52m
Frontier
Deal found 1/27$141
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 3/68:12 pm
STL
-
SLC
1 stop12h 43m
Frontier
Sun 3/89:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Deal found 1/28$144
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 3/78:12 pm
STL
-
SLC
1 stop11h 43m
Frontier
Fri 3/139:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Deal found 1/28$145
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Mon 2/231:54 pm
STL
-
SLC
1 stop24h 43m
Frontier
Fri 2/279:59 pm
SLC
-
STL
1 stop14h 57m
Frontier
Deal found 1/28$146
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Fri 2/271:59 pm
STL
-
SLC
1 stop22h 46m
Frontier
Sun 3/89:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Deal found 1/27$147
This Frontier deal was found by Cheapflights users on 1/27. 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.
Sat 3/78:55 pm
ORD
-
SLC
1 stop12h 05m
Frontier
Sat 3/142:46 pm
SLC
-
ORD
1 stop13h 03m
Frontier
Deal found 1/27$268

Find flight deals from Illinois to Salt Lake City

Keep the following information in mind while searching for Illinois to Salt Lake City flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$125
(Kiwi.com)

One-way from

$55
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$470

Good round-trip deal

$384 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Chicago (CHI)-Salt Lake City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Salt Lake City flights.
Search Deals
From Illinois to Salt Lake City
Search Deals
One-way flight from Illinois to Salt Lake City
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Salt Lake City.
Search Deals
Price to beat on a one-way flight from Illinois to Salt Lake City.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Salt Lake City 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 29, 2026.
Use the filters below to find and compare flights from Illinois to Salt Lake City that are best for you.

Fly from

Illinois

Fly to

Salt Lake City

Route

Depart

Return

Price

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 2/26

10:11 pm-8:30 am

1 stop11h 19m

Salt Lake City

Thu 3/5

10:37 pm-11:19 am

1 stop11h 42m

$173

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 3/5

10:11 pm-7:55 am

2 stops10h 44m

Salt Lake City

Sun 3/8

9:14 pm-9:49 am

1 stop11h 35m

$218

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 2/18

4:51 pm-9:49 pm

1 stop5h 58m

Salt Lake City

Sun 2/22

9:59 pm-1:09 pm

1 stop14h 10m

$260

ChicagoSalt Lake City

MDW - SLC

MDWSLC

Chicago Midway

Fri 2/20

3:00 pm-10:49 am

2 stops20h 49m

Salt Lake City

Mon 2/23

12:49 pm-11:44 pm

1 stop9h 55m

$271

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Wed 3/25

4:10 pm-11:06 pm

1 stop7h 56m

Salt Lake City

Mon 4/6

8:40 pm-6:39 am

1 stop8h 59m

$278

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 3/5

10:11 pm-9:15 am

1 stop12h 04m

Salt Lake City

Mon 4/6

10:40 pm-9:48 am

2 stops34h 08m

$278

PeoriaSalt Lake City

PIA - SLC

PIASLC

Greater Peoria

Tue 2/24

6:35 am-11:37 am

1 stop6h 02m

Salt Lake City

Tue 3/3

7:30 am-2:10 pm

1 stop5h 40m

$279

PeoriaSalt Lake City

PIA - SLC

PIASLC

Greater Peoria

Mon 2/23

5:23 pm-11:03 pm

1 stop6h 40m

Salt Lake City

Mon 3/2

5:11 pm-11:25 pm

1 stop5h 14m

$279

PeoriaSalt Lake City

PIA - SLC

PIASLC

Greater Peoria

Wed 7/1

5:20 pm-10:16 pm

1 stop5h 56m

Salt Lake City

Sat 7/4

8:00 am-4:31 pm

1 stop7h 31m

$306

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Wed 4/1

4:13 pm-11:06 pm

1 stop7h 53m

Salt Lake City

Mon 4/6

6:00 am-6:39 am

1 stop23h 39m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

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Best time to book a flight from Illinois to Salt Lake City

Have a flexible travel schedule? Discover the best time to fly to Salt Lake City from Illinois 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 Illinois to Salt Lake City

What is the cheapest month to book a flight from Illinois to Salt Lake City?

Currently, April is the cheapest month in which you can book a flight from Illinois to Salt Lake City (average of $89). Flying from Illinois to Salt Lake City in June is currently the most expensive (average of $225). 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 IL to SLC?

Find hourly flight availability from Illinois to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from Illinois to Salt Lake City by exploring options for tickets in the evening.

What is the cheapest day to fly from Illinois to Salt Lake City?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Salt Lake City. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Illinois to Salt Lake City flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to Salt Lake City

Explore weekly flight availability from Illinois to Salt Lake City. 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 29, 2026.

The most flights from USIL to SLC are scheduled on a Thursday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Salt Lake City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Salt Lake City from Illinois?

    Salt Lake City (SLC), located 5.7 mi from the city center, is the airport you fly into when you book flights from Illinois to Salt Lake City.

  • How long is the flight from Illinois to Salt Lake City?

    Departing from Illinois to Salt Lake City will take you 6h 02m. There are 1163 mi between Illinois and Salt Lake City. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Salt Lake City one-way?

    The cheapest airlines for a one-way flight from Illinois to Salt Lake City are Frontier ($51), Spirit Airlines ($67), and American Airlines ($99).

  • What are the most popular routes from Illinois to Salt Lake City?

    The most popular flight routes from Illinois to Salt Lake City are Chicago O'Hare Intl - Salt Lake City, Chicago Midway - Salt Lake City and Lambert-St Louis - Salt Lake City.

  • What are the most reliable airlines from Illinois to Salt Lake City?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Salt Lake City on time: Envoy Air (89%), KLM (88%), Cathay Pacific (88%).

  • What are the cheapest flights from Illinois to Salt Lake City?

    While on average a flight from Illinois to Salt Lake City is generally $636, our data shows the cheapest flight currently is $130. When looking at the most popular route, (Chicago O'Hare Intl - Salt Lake City), you can expect to pay $176 for that flight.

  • Can I find deals for flights from Illinois to Salt Lake City that include hotel bookings?

    Yes. In addition to deals on Illinois to Salt Lake City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Salt Lake City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Salt Lake City.

  • Can I find deals for business class flights from Illinois to Salt Lake City?

    Yes. Cheapflights offers flight deals from Illinois to Salt Lake City 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 Illinois to Salt Lake City?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Salt Lake City (average of $89). Flying from Illinois to Salt Lake City in June is currently the most expensive (average of $225). 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

Traveling to a place near Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Bountiful
Lehi
Farmington
Midvale
Logan
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Draper
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West Jordan
South Jordan
Layton
Alta
Sandy

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Alternative routes for Illinois to Salt Lake City

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Illinois to Salt Lake City

Discover the top 6 airlines that operate flights from Illinois to Salt Lake City. 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$240FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$256FlexibilityNo cancel feeOn-time65%
DeltaCheapest$172Average$421FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$202Average$497FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$227Average$511FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$300Average$471FlexibilityNo cancel feeOn-time63%

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