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$52+ Cheap flights from Salt Lake City (SLC) 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Salt Lake City to Illinois

Cheapest flights from Salt Lake City to Illinois
Explore the most affordable flight options available from Salt Lake City to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Tue 12/97:20 amSLC - STL
1 stop25h 54mFrontier
Wed 12/107:43 pmSTL - SLC
1 stop14h 09mFrontier
Deal found 12/2$179
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/112:38 pmSLC - STL
1 stop20h 34mFrontier
Sat 12/137:43 pmSTL - SLC
1 stop14h 44mFrontier
Deal found 12/2$213
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/1112:36 pmSLC - STL
1 stop22h 36mFrontier
Sun 12/1410:44 pmSTL - SLC
1 stop15h 59mFrontier
Deal found 12/1$216
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/1210:22 amSLC - STL
1 stop22h 52mFrontier
Sat 12/137:43 pmSTL - SLC
1 stop14h 44mFrontier
Deal found 12/3$225
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/112:38 pmSLC - STL
1 stop20h 34mFrontier
Mon 12/151:16 pmSTL - SLC
2 stops35h 51mFrontier
Deal found 12/2$236
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/1210:22 amSLC - STL
1 stop22h 52mFrontier
Sun 12/1410:44 pmSTL - SLC
1 stop13h 57mFrontier
Deal found 12/3$238
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Sun 12/215:33 pmSLC - ORD
1 stop5h 39mFrontier
Fri 1/29:31 pmORD - SLC
2 stops27h 36mFrontier
Deal found 12/3$247
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/1210:22 amSLC - STL
1 stop22h 52mFrontier
Mon 12/151:16 pmSTL - SLC
2 stops35h 51mFrontier
Deal found 12/3$247
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/112:38 pmSLC - STL
1 stop20h 34mFrontier
Tue 12/163:30 pmSTL - SLC
2 stops33h 37mFrontier
Deal found 12/2$250
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/2210:25 pmSLC - ORD
1 stop14h 52mMultiple Airlines
Wed 12/319:09 pmORD - SLC
2 stops36h 03mMultiple Airlines
Deal found 12/3$251
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/2210:25 pmSLC - ORD
1 stop14h 52mFrontier
Fri 1/29:31 pmORD - SLC
2 stops27h 36mFrontier
Deal found 12/3$252
This Frontier deal was found by Cheapflights users on 12/3. 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 12/2012:12 pmSLC - STL
1 stop8h 13mFrontier
Wed 12/247:43 pmSTL - SLC
1 stop5h 24mFrontier
Deal found 12/3$252

Find flight deals from Salt Lake City to Illinois

Keep the following information in mind while searching for Salt Lake City to Illinois flight deals. Data was last updated December 4, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$129
(Kiwi.com)

One-way from

$52
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$445

Good round-trip deal

$446 or less

Good one-way deal

$204 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 Salt Lake City to Illinois
Search Deals
One-way flight from Salt Lake City to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 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 Salt Lake City to Illinois.
Search Deals
Price to beat on a one-way flight from Salt Lake City to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Salt Lake City 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 December 4, 2025.
Use the filters below to find and compare flights from Salt Lake City to Illinois that are best for you.

Fly from

Salt Lake City

Fly to

Illinois

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 12/19

10:25 pm-9:25 pm

1 stop22h 00m

Lambert-St Louis

Tue 12/23

10:10 pm-9:33 pm

1 stop24h 23m

$253

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Fri 2/6

6:16 pm-2:29 pm

1 stop19h 13m

Chicago O'Hare Intl

Sun 2/8

8:00 am-11:41 pm

2 stops16h 41m

$257

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 1/5

12:51 pm-8:07 pm

1 stop6h 16m

Lambert-St Louis

Fri 1/9

7:43 pm-8:37 am

1 stop13h 54m

$257

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 CityChicago

SLC - ORD

SLCORD

Salt Lake City

Thu 1/1

7:21 pm-10:51 am

1 stop14h 30m

Chicago O'Hare Intl

Thu 1/8

6:15 am-6:28 pm

1 stop13h 13m

$261

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Mon 1/19

6:50 am-6:27 pm

2 stops34h 37m

Chicago O'Hare Intl

Mon 2/16

11:45 am-9:44 am

1 stop22h 59m

$264

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Tue 1/6

6:00 am-1:08 pm

1 stop6h 08m

Chicago O'Hare Intl

Mon 1/12

6:40 pm-9:22 pm

Nonstop3h 42m

$268

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Wed 1/14

8:05 am-3:25 pm

1 stop6h 20m

Chicago Midway

Sat 1/17

8:25 am-11:05 am

Nonstop3h 40m

$268

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Mon 12/29

8:58 pm-7:55 pm

1 stop21h 57m

Chicago Midway

Sun 1/4

10:50 pm-8:12 am

1 stop10h 22m

$269

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Mon 1/26

7:00 am-11:50 pm

1 stop15h 50m

Chicago O'Hare Intl

Thu 1/29

3:44 pm-10:31 am

2 stops19h 47m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 60 results
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Best time to book a flight from Salt Lake City to Illinois

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

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

Currently, April is the cheapest month in which you can book a flight from Salt Lake City to Illinois (average of $71). Flying from Salt Lake City to Illinois in June is currently the most expensive (average of $207). 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 SLC to IL?

Find hourly flight availability from Salt Lake City 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 4, 2025.

It’s typically best to fly out from Salt Lake City to Illinois in the evening. Doing so could potentially save you 70% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Illinois. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Salt Lake City to Illinois

Explore weekly flight availability from Salt Lake City 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 4, 2025.

The most flights from SLC to USIL are scheduled on a Thursday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

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 December 4, 2025.
Read through reviews of airlines operating flights from Salt Lake City to Illinois, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
8,011 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
9,066 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
11,047 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
3,091 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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

Find useful and relevant information for your journey from Salt Lake City to Illinois. 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 from for flights from Salt Lake City to Illinois?

    Located just 5.7 mi from the city center, Salt Lake City (SLC) is the airport most travelers will use when flying to Illinois from Salt Lake City.

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

    Frontier, Alaska Airlines, and United Airlines can get you from Salt Lake City to Illinois in just under 5h 40m. Your travel time can differ by up to 16h 20m. Airlines will cover a distance of 1163 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Salt Lake City to Illinois are Frontier ($53), Spirit Airlines ($77), and Southwest ($116).

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

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

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

    The top 3 most reliable airlines when flying from Salt Lake City to Illinois are Royal Jordanian (95%), Qatar Airways (89%) and Aer Lingus (88%).

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

    Looking at all options, your cheapest flight can be booked for $168. While the most popular route (Salt Lake City - Chicago O'Hare Intl) can be booked for $159 on average, our data indicates $1,059 when flying from Salt Lake City to Illinois.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Salt Lake City to Illinois (average of $71). Flying from Salt Lake City to Illinois in June is currently the most expensive (average of $207). 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.

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Alternative routes for Salt Lake City 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 Salt Lake City to Illinois

Discover the top 6 airlines that operate flights from Salt Lake City 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$88Average$218FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$93Average$208FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$181Average$439FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$205Average$458FlexibilityNo cancel feeOn-time71%
DeltaCheapest$230Average$450FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$290Average$471FlexibilityNo cancel feeOn-time63%

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