HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$54+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
nov. 9 — nov. 161
dom. 11/9
dom. 11/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Salt Lake City 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 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 octubre 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$128
(Kiwi.com)

One-way from

$54
(Frontier)

Popular in

May

Cheapest in

November

Average price

$362

Good round-trip deal

$357 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 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. 13% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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

Find 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 octubre 10, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
mar. 11/111:10 pmSLC - STL
1 stop18h 57mFrontier
mar. 11/187:45 pmSTL - SLC
1 stop16h 55mFrontier
Deal found 10/7$128
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
mar. 11/111:10 pmSLC - STL
1 stop18h 57mFrontier
mié. 11/127:45 pmSTL - SLC
1 stop12h 47mFrontier
Deal found 10/8$131
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
mar. 11/41:10 pmSLC - STL
1 stop18h 57mFrontier
mar. 11/117:45 pmSTL - SLC
1 stop16h 55mFrontier
Deal found 10/7$132
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
mié. 11/51:10 pmSLC - STL
1 stop18h 57mFrontier
mié. 11/127:45 pmSTL - SLC
1 stop12h 47mFrontier
Deal found 10/8$135
This Mytrip deal was found by Cheapflights users on 10/8. 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.
vie. 10/2410:05 pmSLC - STL
1 stop10h 02mFrontier
mar. 10/288:40 pmSTL - SLC
1 stop16h 00mFrontier
Deal found 10/8$138
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
mar. 11/41:10 pmSLC - STL
1 stop18h 57mFrontier
lun. 11/107:45 pmSTL - SLC
1 stop25h 15mFrontier
Deal found 10/7$139
This Booking.com deal was found by Cheapflights users on 10/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/68:10 pmSLC - STL
1 stop11h 57mFrontier
sáb. 11/157:45 pmSTL - SLC
1 stop12h 47mFrontier
Deal found 10/9$142
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
vie. 11/148:10 pmSLC - STL
1 stop11h 57mFrontier
lun. 11/177:45 pmSTL - SLC
1 stop25h 15mFrontier
Deal found 10/7$150
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
lun. 11/38:10 pmSLC - STL
1 stop11h 57mFrontier
jue. 11/67:45 pmSTL - SLC
1 stop12h 47mFrontier
Deal found 10/7$151
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
jue. 11/138:10 pmSLC - STL
1 stop11h 57mFrontier
lun. 11/177:45 pmSTL - SLC
1 stop25h 15mFrontier
Deal found 10/7$152
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
mié. 10/2912:35 pmSLC - STL
1 stop19h 32mFrontier
jue. 11/137:45 pmSTL - SLC
1 stop12h 47mFrontier
Deal found 10/7$158
This Frontier deal was found by Cheapflights users on 10/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2912:35 pmSLC - ORD
1 stop10h 37mFrontier
dom. 11/25:00 amORD - SLC
1 stop6h 35mFrontier
Deal found 10/9$174

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 octubre 10, 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 CityChicago

SLC - ORD

SLCORD

Salt Lake City

sáb. 10/25

12:30 pm-11:53 pm

1 stop10h 23m

Chicago O'Hare Intl

mié. 10/29

7:20 am-11:40 am

1 stop5h 20m

$225

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

sáb. 11/8

5:40 pm-9:43 pm

Nonstop3h 03m

Chicago O'Hare Intl

mar. 11/11

7:20 am-10:02 am

Nonstop3h 42m

$311

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

sáb. 11/8

7:45 am-11:55 am

Nonstop3h 10m

Chicago Midway

mar. 11/11

2:20 pm-4:50 pm

Nonstop3h 30m

$311

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

mar. 11/4

8:05 am-12:30 pm

Nonstop3h 25m

Chicago Midway

mar. 11/11

2:20 pm-4:50 pm

Nonstop3h 30m

$311

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

mié. 10/29

12:25 pm-11:01 pm

2 stops9h 36m

Greater Peoria

sáb. 11/1

6:00 am-12:28 pm

1 stop7h 28m

$319

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

sáb. 11/8

1:00 pm-6:53 pm

1 stop4h 53m

Chicago O'Hare Intl

mar. 11/11

7:52 pm-10:31 pm

Nonstop3h 39m

$321

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

jue. 11/20

10:39 am-12:24 am

2 stops12h 45m

Chicago O'Hare Intl

dom. 11/23

8:49 pm-6:33 pm

1 stop22h 44m

$328

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

mié. 12/31

5:30 am-2:41 pm

1 stop8h 11m

Chicago O'Hare Intl

lun. 1/5

8:59 pm-11:53 am

1 stop15h 54m

$329

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

dom. 11/16

8:30 am-12:54 pm

Nonstop3h 24m

Chicago O'Hare Intl

mié. 11/19

7:52 pm-10:31 pm

Nonstop3h 39m

$336

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

dom. 11/9

12:41 pm-4:54 pm

Nonstop3h 13m

Chicago O'Hare Intl

mar. 11/11

9:02 am-11:45 am

Nonstop3h 43m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

Showing 1-10 of 60 results
1
2
3
...
6

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 $70). 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 octubre 10, 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 octubre 10, 2025.

The most flights from SLC to USIL are scheduled on a Thursday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

How much does it cost to fly round-trip from Salt Lake City to Illinois?

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 octubre 10, 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
4,237 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,969 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,968 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,043 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,143 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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, Delta, and Southwest can get you from Salt Lake City to Illinois in just under 3h 03m. Your travel time can differ by up to 7h 20m. Airlines will cover a distance of 1246 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 Alaska Airlines ($137), Frontier ($143), and Delta ($156).

  • 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 - Lambert-St Louis and Salt Lake City - Chicago Midway.

  • 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 ITA Airways (100%), SkyWest Airlines (92%) and Air France (90%).

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

    Looking at all options, your cheapest flight can be booked for $133. While the most popular route (Salt Lake City - Chicago O'Hare Intl) can be booked for $150 on average, our data indicates $963 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 $70). 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.

See more FAQs

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 Salt Lake City to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Salt Lake City to Seattle flights
Salt Lake City to Dallas/Fort Worth flights
Salt Lake City to Los Angeles flights
Salt Lake City to Las Vegas flights
Salt Lake City to Sky Harbor Intl flights
Salt Lake City to Orlando flights
Salt Lake City to Honolulu flights
Salt Lake City to Baltimore flights
Salt Lake City to Reagan-National flights
Salt Lake City to John F Kennedy Intl flights
Salt Lake City to Dulles Intl flights
Salt Lake City to Miami flights
Salt Lake City to San Diego flights
Salt Lake City to San Francisco flights
Salt Lake City to Santa Ana flights
Salt Lake City to Hobby flights
Salt Lake City to Ontario flights
Salt Lake City to Boston flights
Salt Lake City to Newark flights
Salt Lake City to Portland flights
Salt Lake City to Denver flights
Salt Lake City to New Orleans flights
Salt Lake City to Tampa flights
Salt Lake City to O'Hare Intl flights
Salt Lake City to Kahului flights
Salt Lake City to George Bush Intcntl flights
Salt Lake City to Austin flights
Salt Lake City to Fort Lauderdale flights
Salt Lake City to LaGuardia flights
Salt Lake City to Burbank flights
Salt Lake City to Atlanta flights
Salt Lake City to Nashville flights
Salt Lake City to Kailua-Kona flights
Salt Lake City to Minneapolis flights
Salt Lake City to Tucson flights
Salt Lake City to Love Field flights
Salt Lake City to San Antonio flights
Salt Lake City to Lihue flights
Salt Lake City to Sacramento flights
Salt Lake City to Long Beach flights
Salt Lake City to Philadelphia flights
Salt Lake City to Columbus flights
Salt Lake City to Cincinnati flights
Salt Lake City to Kansas City flights
Salt Lake City to San Jose flights
Saint George to Hobby flights
Salt Lake City to St. Louis flights
Salt Lake City to Detroit flights
Salt Lake City to Spokane flights
Salt Lake City to Oakland flights

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 octubre 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$92Average$219FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$93Average$249FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$179Average$483FlexibilityNo cancel feeOn-time69%
DeltaCheapest$184Average$429FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$184Average$480FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$222Average$471FlexibilityNo cancel feeOn-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.