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$90+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$164
(Mytrip)

One-way from

$90
(Mytrip)

Popular in

April

Cheapest in

August

Average price

$361

Good round-trip deal

$379 or less

Good one-way deal

$198 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. 10% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Wed 5/288:14 pmSLC - ORD
1 stop13h 41mSpirit Airlines
Wed 6/411:50 amORD - SLC
1 stop8h 29mSpirit Airlines
Deal found 4/30$165
This CheapOair deal was found by Cheapflights users on 4/30. 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.
Fri 5/92:57 pmSLC - STL
1 stop18h 02mFrontier
Sun 5/119:55 pmSTL - SLC
1 stop14h 38mFrontier
Deal found 4/30$188
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:13 pmSLC - MDW
1 stop25h 55mFrontier
Sat 6/72:44 pmMDW - SLC
1 stop18h 50mFrontier
Deal found 4/30$204
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/122:57 pmSLC - ORD
1 stop7h 44mMultiple Airlines
Tue 5/1311:50 amORD - SLC
1 stop8h 29mMultiple Airlines
Deal found 4/29$229
This Frontier deal was found by Cheapflights users on 4/30. 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.
Thu 5/155:39 pmSLC - ORD
1 stop10h 31mFrontier
Mon 5/197:35 amORD - SLC
1 stop12h 07mFrontier
Deal found 4/30$280
This Mytrip deal was found by Cheapflights users on 4/30. 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 5/158:14 pmSLC - PIA
1 stop14h 40mMultiple Airlines
Mon 5/194:14 pmPIA - SLC
2 stops28h 05mMultiple Airlines
Deal found 4/30$299
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/246:44 amSLC - STL
1 stop8h 00mAmerican Airlines
Tue 7/19:24 amSTL - SLC
1 stop6h 47mAmerican Airlines
Deal found 4/30$313
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/285:10 pmSLC - STL
1 stop5h 25mSouthwest
Wed 6/45:20 amSTL - SLC
2 stops7h 50mSouthwest
Deal found 4/30$318
This Sun Country Air deal was found by Cheapflights users on 4/29. 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.
Thu 6/125:36 pmSLC - ORD
1 stop22h 39mSun Country Air
Thu 6/196:17 pmORD - SLC
1 stop23h 25mSun Country Air
Deal found 4/29$325
This Mytrip deal was found by Cheapflights users on 4/29. 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 5/228:14 pmSLC - STL
2 stops36h 01mMultiple Airlines
Tue 5/279:50 amSTL - SLC
3 stops34h 29mMultiple Airlines
Deal found 4/29$332
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 6/45:30 pmSLC - ORD
Nonstop3h 10mDelta
Sat 6/77:30 amORD - SLC
Nonstop3h 25mDelta
Deal found 4/29$333
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 6/912:41 pmSLC - MLI
1 stop7h 46mUnited Airlines
Wed 6/115:35 pmMLI - SLC
1 stop5h 46mUnited Airlines
Deal found 4/30$337

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 May 1, 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

Wed 5/28

8:14 pm-10:55 am

1 stop13h 41m

Chicago O'Hare Intl

Wed 6/4

11:50 am-7:19 pm

1 stop8h 29m

$165

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 5/9

2:57 pm-9:59 am

1 stop18h 02m

Lambert-St Louis

Sun 5/11

9:55 pm-11:33 am

1 stop14h 38m

$188

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Wed 5/14

4:13 pm-7:08 pm

1 stop25h 55m

Chicago Midway

Sat 6/7

2:44 pm-8:34 am

1 stop18h 50m

$204

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Mon 5/12

2:57 pm-11:41 pm

1 stop7h 44m

Chicago O'Hare Intl

Tue 5/13

11:50 am-7:19 pm

1 stop8h 29m

$229

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Thu 5/15

5:39 pm-5:10 am

1 stop10h 31m

Chicago O'Hare Intl

Mon 5/19

7:35 am-6:42 pm

1 stop12h 07m

$280

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Thu 5/15

8:14 pm-11:54 am

1 stop14h 40m

Greater Peoria

Mon 5/19

4:14 pm-7:19 pm

2 stops28h 05m

$299

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 6/24

6:44 am-3:44 pm

1 stop8h 00m

Lambert-St Louis

Tue 7/1

9:24 am-3:11 pm

1 stop6h 47m

$313

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 5/28

5:10 pm-11:35 pm

1 stop5h 25m

Lambert-St Louis

Wed 6/4

5:20 am-12:10 pm

2 stops7h 50m

$318

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Thu 6/12

5:36 pm-5:15 pm

1 stop22h 39m

Chicago O'Hare Intl

Thu 6/19

6:17 pm-4:42 pm

1 stop23h 25m

$325

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 5/22

8:14 pm-9:15 am

2 stops36h 01m

Lambert-St Louis

Tue 5/27

9:50 am-7:19 pm

3 stops34h 29m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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, August is the cheapest month in which you can book a flight from Salt Lake City to Illinois (average of $245). Flying from Salt Lake City to Illinois in March is currently the most expensive (average of $321). 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 May 1, 2025.

When flying from Salt Lake City to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 May 1, 2025.

The most flights from SLC to USIL are scheduled on a Monday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 May 1, 2025.
To help decide which airline to fly from Salt Lake City to Illinois, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,408 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 Spirit Airlines ($90), Frontier ($96), and Sun Country Air ($143).

  • 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 Emirates (89%), SWISS (89%) and KLM (88%).

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

    Looking at all options, your cheapest flight can be booked for $114. While the most popular route (Salt Lake City - Chicago O'Hare Intl) can be booked for $138 on average our data indicates $949 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, August is the cheapest month in which you can book a flight from Salt Lake City to Illinois (average of $245). Flying from Salt Lake City to Illinois in March is currently the most expensive (average of $321). 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

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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 5 airlines flying from Salt Lake City to Illinois

Discover the top 5 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$60Average$208FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$145Average$551FlexibilityNo cancel feeOn-time71%
DeltaCheapest$161Average$389FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$166Average$471FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$180Average$515FlexibilityNo cancel feeOn-time69%

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