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$59+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$119
(Mytrip)

One-way from

$59
(Trip.com)

Popular in

May

Cheapest in

November

Average price

$270

Good round-trip deal

$402 or less

Good one-way deal

$194 or less
Provider with most accurate pricing for Salt Lake City-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Salt Lake City-Chicago (CHI) flights.
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From Salt Lake City to Illinois
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One-way flight from Salt Lake City to Illinois
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Highest demand for flights based on searches. 11% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Salt Lake City to Illinois.
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Price to beat on a one-way flight from Salt Lake City to Illinois.
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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 November 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/5. 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.
Thu 12/410:05 amSLC - STL
1 stop23h 09mFrontier
Mon 12/87:43 pmSTL - SLC
1 stop16h 54mFrontier
Deal found 11/5$119
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:12 pmSLC - STL
1 stop10h 50mFrontier
Mon 11/247:43 pmSTL - SLC
1 stop5h 23mFrontier
Deal found 11/4$127
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Thu 12/117:20 amSLC - STL
1 stop25h 54mFrontier
Mon 12/157:43 pmSTL - SLC
1 stop16h 54mFrontier
Deal found 11/5$137
This Frontier deal was found by Cheapflights users on 11/6. 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 11/2110:12 pmSLC - STL
1 stop10h 50mFrontier
Fri 12/57:43 pmSTL - SLC
1 stop5h 24mFrontier
Deal found 11/6$141
This Expedia deal was found by Cheapflights users on 11/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:37 amSLC - STL
1 stop25h 25mFrontier
Tue 11/257:57 pmSTL - SLC
1 stop14h 56mFrontier
Deal found 11/6$144
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/84:50 pmSLC - ORD
1 stop6h 22mFrontier
Thu 12/119:53 pmORD - SLC
2 stops15h 35mFrontier
Deal found 11/4$174
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/188:25 amSLC - ORD
2 stops15h 34mFrontier
Sun 11/239:38 pmORD - SLC
1 stop11h 01mFrontier
Deal found 11/4$175
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:10 pmSLC - ORD
1 stop22h 28mFrontier
Thu 11/207:00 amORD - SLC
1 stop27h 53mFrontier
Deal found 11/6$176
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/178:10 pmSLC - ORD
1 stop22h 28mFrontier
Mon 11/2412:29 pmORD - SLC
2 stops12h 37mFrontier
Deal found 11/3$177
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/117:20 amSLC - MDW
2 stops13h 52mFrontier
Mon 12/1512:18 pmMDW - SLC
1 stop24h 19mFrontier
Deal found 11/6$177
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/36:23 pmSLC - ORD
2 stops27h 01mMultiple Airlines
Sat 12/64:49 pmORD - SLC
1 stop15h 43mMultiple Airlines
Deal found 11/5$178
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/54:56 pmSLC - ORD
1 stop6h 16mFrontier
Fri 12/126:11 amORD - SLC
2 stops15h 27mFrontier
Deal found 11/6$179

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 November 6, 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 - MDW

SLCMDW

Salt Lake City

Thu 11/20

10:12 pm-6:12 pm

1 stop19h 00m

Chicago Midway

Sat 11/22

9:58 pm-9:53 am

1 stop12h 55m

$183

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Wed 3/4

7:00 am-11:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Sat 3/7

9:00 am-5:56 pm

1 stop9h 56m

$222

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Sat 11/22

8:08 am-8:58 pm

1 stop11h 50m

Chicago Midway

Mon 11/24

6:20 am-3:34 pm

1 stop10h 14m

$238

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Wed 1/7

10:15 am-11:37 pm

1 stop12h 22m

Chicago O'Hare Intl

Thu 1/8

8:00 am-11:41 pm

2 stops16h 41m

$258

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Tue 12/2

7:14 am-2:09 pm

1 stop29h 55m

Chicago O'Hare Intl

Sat 12/6

8:55 am-8:14 pm

1 stop12h 19m

$262

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 12/19

5:33 pm-10:02 am

1 stop15h 29m

Lambert-St Louis

Wed 12/24

7:43 pm-8:12 am

1 stop13h 29m

$265

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Fri 12/12

7:14 am-7:54 pm

1 stop11h 40m

Chicago O'Hare Intl

Tue 12/16

2:05 pm-10:07 am

1 stop21h 02m

$265

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Sun 12/21

3:09 pm-11:21 pm

1 stop7h 12m

Chicago Midway

Fri 1/9

7:00 am-4:39 pm

2 stops10h 39m

$272

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Mon 12/22

8:41 pm-10:19 am

1 stop12h 38m

Chicago Midway

Fri 1/9

7:00 am-7:15 pm

1 stop13h 15m

$274

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Thu 12/18

10:25 pm-9:02 pm

1 stop21h 37m

Greater Peoria

Mon 12/22

9:52 pm-9:33 pm

1 stop24h 41m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 $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 November 6, 2025.

It’s typically best to fly out from Salt Lake City to Illinois in the evening. Doing so could potentially save you 69% 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 November 6, 2025.

The most flights from SLC to USIL are scheduled on a Thursday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 November 6, 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
4,241 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
7.9
Good
8,001 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
3,115 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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, Alaska Airlines, and American Airlines can get you from Salt Lake City to Illinois in just under 7h 27m. Your travel time can differ by up to 11h 33m. 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 ($129), Delta ($147), and Alaska Airlines ($147).

  • 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 KLM (100%), Cathay Pacific (100%) and ITA Airways (100%).

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

    Looking at all options, your cheapest flight can be booked for $165. While the most popular route (Salt Lake City - Chicago O'Hare Intl) can be booked for $130 on average, our data indicates $1,071 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.

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$226FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$93Average$249FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$178Average$459FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$202Average$457FlexibilityNo cancel feeOn-time71%
DeltaCheapest$207Average$442FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$282Average$471FlexibilityNo cancel feeOn-time63%

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