What is the cheapest airline that flies from Salt Lake City to Illinois?

Delta, United Airlines, and Southwest are the most popular carriers operating from Salt Lake City to Illinois

How many flights depart from Salt Lake City to Illinois on average per week?

The number of flights available between Salt Lake City and Illinois is 238 per week as of May 2026. The most frequent departure day is Tue, with 18% of weekly flights leaving on this day.

How many flights depart from Salt Lake City to Illinois on average per day?

As of May 2026, 34 flights take off from Salt Lake City and land in Illinois each day. The most common flight departure time for this route is 5:00PM, with 69% of daily flights taking off in the afternoon.

What airlines fly to Illinois?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Illinois from Salt Lake City according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Salt Lake City Airport to Illinois?

Prices for flights from Salt Lake City Airport to Illinois refresh daily.

How many operators does momondo search for flights from Salt Lake City Airport to Illinois?

There are 6 operators available for flights from Salt Lake City Airport to Illinois as of May 2026.

How old do you have to be to fly from Salt Lake City Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Salt Lake City Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$74 Cheap Flights from Salt Lake City to Illinois in 2026

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Find the cheapest flights from Salt Lake City to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:41 pm - 7:23 pm

SLC

STL

19h 42m

1 stop

8:08 pm - 7:31 am

STL

SLC

12h 23m

1 stop

$182Frontier

Mon, Jul 27 - Wed, Aug 19

9:20 pm - 5:30 pm

SLC

STL

19h 10m

2 stops

8:08 pm - 2:55 pm

STL

SLC

19h 47m

1 stop

$190Frontier

Wed, Jul 1 - Tue, Jul 7

8:10 am - 4:22 pm

SLC

MLI

7h 12m

1 stop

11:08 am - 5:18 pm

MLI

SLC

7h 10m

1 stop

$284Delta

Mon, Jul 13 - Wed, Jul 29

8:10 am - 3:34 pm

SLC

BMI

6h 24m

1 stop

4:14 pm - 12:26 am

BMI

SLC

9h 12m

1 stop

$339Delta

Mon, Jul 13 - Thu, Jul 30

1:50 pm - 11:59 am

SLC

PIA

21h 09m

1 stop

12:49 pm - 9:26 am

PIA

SLC

21h 37m

1 stop

$343Multiple Airlines

Thu, Jul 16 - Mon, Jul 27

8:00 am - 4:48 pm

SLC

MLI

7h 48m

1 stop

5:39 pm - 10:48 pm

MLI

SLC

6h 09m

1 stop

$347United Airlines

Sat, May 23 - Wed, May 27

4:56 pm - 11:59 pm

SLC

PIA

6h 03m

1 stop

4:47 pm - 10:59 pm

PIA

SLC

7h 12m

1 stop

$349American Airlines

Mon, Jun 1 - Mon, Jun 15

2:00 pm - 11:30 pm

SLC

MLI

8h 30m

1 stop

4:46 pm - 10:59 pm

MLI

SLC

7h 13m

1 stop

$351American Airlines

Wed, Jul 15 - Wed, Jul 29

1:50 pm - 11:59 am

SLC

PIA

21h 09m

1 stop

11:07 am - 7:31 am

PIA

SLC

21h 24m

1 stop

$359Multiple Airlines

Thu, Jul 16 - Sun, Jul 26

4:18 pm - 11:14 pm

SLC

MLI

5h 56m

1 stop

3:47 pm - 10:48 pm

MLI

SLC

8h 01m

1 stop

$361United Airlines

Wed, Jul 15 - Sat, Aug 1

Frontier flights from Salt Lake City to Illinois

Our best Frontier deals on Salt Lake City to Illinois flight tickets

Frontier

Jul 27

SLC10:41 pmSalt Lake City

19h 42m

1 stop

STL7:23 pmLambert-St Louis

Aug 19

STL8:08 pmLambert-St Louis

12h 23m

1 stop

SLC7:31 amSalt Lake City

$182

Frontier

Jul 1

SLC9:20 pmSalt Lake City

19h 10m

2 stops

STL5:30 pmLambert-St Louis

Jul 7

STL8:08 pmLambert-St Louis

19h 47m

1 stop

SLC2:55 pmSalt Lake City

$190

Frontier

Jun 30

SLC10:50 pmSalt Lake City

41h 40m

2 stops

STL5:30 pmLambert-St Louis

Jul 7

STL8:08 pmLambert-St Louis

12h 23m

1 stop

SLC7:31 amSalt Lake City

$200

United Airlines flights from Salt Lake City to Illinois

Our best United Airlines deals on Salt Lake City to Illinois flight tickets

United Airlines

May 23

SLC8:00 amSalt Lake City

7h 48m

1 stop

MLI4:48 pmMoline Quad-City

May 27

MLI5:39 pmMoline Quad-City

6h 09m

1 stop

SLC10:48 pmSalt Lake City

$347

United Airlines

May 19

SLC12:55 pmSalt Lake City

8h 39m

2 stops

MLI10:34 pmMoline Quad-City

May 23

MLI5:39 pmMoline Quad-City

6h 09m

1 stop

SLC10:48 pmSalt Lake City

$352

United Airlines

Jul 15

SLC4:18 pmSalt Lake City

5h 56m

1 stop

MLI11:14 pmMoline Quad-City

Aug 1

MLI3:47 pmMoline Quad-City

8h 01m

1 stop

SLC10:48 pmSalt Lake City

$361

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 7/27

10:41 pm-7:23 pm

1 stop19h 42m

Lambert-St Louis

Wed 8/19

8:08 pm-7:31 am

1 stop12h 23m

$182

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 7/1

9:20 pm-5:30 pm

2 stops19h 10m

Lambert-St Louis

Tue 7/7

8:08 pm-2:55 pm

1 stop19h 47m

$190

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Mon 7/13

8:10 am-4:22 pm

1 stop7h 12m

Moline Quad-City

Wed 7/29

11:08 am-5:18 pm

1 stop7h 10m

$284

Salt Lake CityBloomington

SLC - BMI

SLCBMI

Salt Lake City

Mon 7/13

8:10 am-3:34 pm

1 stop6h 24m

Bloomington-Normal

Thu 7/30

4:14 pm-12:26 am

1 stop9h 12m

$339

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Thu 7/16

1:50 pm-11:59 am

1 stop21h 09m

Greater Peoria

Mon 7/27

12:49 pm-9:26 am

1 stop21h 37m

$343

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Sat 5/23

8:00 am-4:48 pm

1 stop7h 48m

Moline Quad-City

Wed 5/27

5:39 pm-10:48 pm

1 stop6h 09m

$347

Quickest round-trip

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Mon 6/1

4:56 pm-11:59 pm

1 stop6h 03m

Greater Peoria

Mon 6/15

4:47 pm-10:59 pm

1 stop7h 12m

$349

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Wed 7/15

2:00 pm-11:30 pm

1 stop8h 30m

Moline Quad-City

Wed 7/29

4:46 pm-10:59 pm

1 stop7h 13m

$351

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Thu 7/16

1:50 pm-11:59 am

1 stop21h 09m

Greater Peoria

Sun 7/26

11:07 am-7:31 am

1 stop21h 24m

$359

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Wed 7/15

4:18 pm-11:14 pm

1 stop5h 56m

Moline Quad-City

Sat 8/1

3:47 pm-10:48 pm

1 stop8h 01m

$361

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Salt Lake City to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Salt Lake City is in August. Flight prices, which tend to average around $40, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $65.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Salt Lake City to Illinois is on a Thursday when prices can be found for as low as $481. Flights from Salt Lake City to Illinois on a Sunday will generally be more expensive and average around $619. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Salt Lake City to Illinois during this time can be as low as $508. Flights in the evening are often more expensive with an average ticket price of $626.

What is the cheapest Salt Lake City to Illinois flight route?

Fly from Salt Lake City to Chicago O'Hare Intl for the best Salt Lake City - Illinois flight prices

How far in advance should I book a flight from Salt Lake City to Illinois?

You are more likely to see cheaper flights to Illinois from Salt Lake City when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $415 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Salt Lake City for as low as $330 on momondo.

Can stopping save me money on Salt Lake City to Illinois flights?

You could potentially save up to 17% on your flight if you consider stops on a Salt Lake City to Illinois flight.

Cheap Salt Lake City to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Salt Lake City to Illinois

Best Price Found	$237
Fastest flight time	2h 50m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Salt Lake City in the past 72 hours is $237. The best round-trip flight deal from Salt Lake City to Illinois found on momondo in the last 72 hours is $423.

The fastest flight from Salt Lake City to Illinois takes 2h 50m

Direct flights go from Salt Lake City to Illinois every day.

There are 98 airports in Illinois. From Salt Lake City there are direct flights to Chicago Midway (MDW), Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Salt Lake City to Illinois

When did momondo last update prices for flights from Salt Lake City Airport to Illinois?
Prices for flights from Salt Lake City Airport to Illinois refresh daily.
How many operators does momondo search for flights from Salt Lake City Airport to Illinois?
There are 6 operators available for flights from Salt Lake City Airport to Illinois as of May 2026.
How old do you have to be to fly from Salt Lake City Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Salt Lake City Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Salt Lake City to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Salt Lake City to Illinois is Boeing 737-800, representing 23.37% of all bookings. The subsequent popular models are Airbus A319 at 10.44%, Boeing 737-900 at 9.08%, and Boeing 737 MAX 8 at 8.97%.

Best airlines flying from Salt Lake City to Illinois

Compare and see reviews for airlines that fly from Salt Lake City to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $75	Free Cancellation	Rating 6.3 8,633 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $127	Free Cancellation	Rating 5.6 2,952 reviews	Search Frontier flights
United Airlines	PriceFrom $170	Free Cancellation	Rating 7.4 9,701 reviews	Search United Airlines flights
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 8,447 reviews	Search Delta flights
American Airlines	PriceFrom $227	Free Cancellation	Rating 7.1 11,661 reviews	Search American Airlines flights
Southwest	PriceFrom $282	Free Cancellation	Rating 8.0 4,295 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Salt Lake City to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Salt Lake City.

Can I find flights from Salt Lake City to Illinois with flexible booking policies on momondo?

All flight searches from Salt Lake City to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Salt Lake City to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Salt Lake City to Illinois.

I’m not ready to book a flight from Salt Lake City to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Salt Lake City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $77

Flights to Los Angelesfrom $46

Flights to Orlandofrom $63

Flights to Miamifrom $56

Flights to Chicagofrom $59

Flights to San Franciscofrom $58

Flights to Las Vegasfrom $48

Flights to Washington, D.C.from $57

Flights to Bostonfrom $73

Flights to Atlantafrom $50

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $50

Cheap flights from Salt Lake City to Illinois from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Salt Lake City to Illinois departing on 6/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Salt Lake City to Illinois

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest Salt Lake City to Illinois flight route?

How far in advance should I book a flight from Salt Lake City to Illinois?

Can stopping save me money on Salt Lake City to Illinois flights?

What is the cheapest airline that flies from Salt Lake City to Illinois?

What airlines fly to Illinois?

How many flights depart from Salt Lake City to Illinois on average per day?

How many flights depart from Salt Lake City to Illinois on average per week?

Cheap Salt Lake City to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Salt Lake City to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Salt Lake City to Illinois

Best airlines flying from Salt Lake City to Illinois

Compare and see reviews for airlines that fly from Salt Lake City to Illinois with momondo

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

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According to popular flight searches on momondo this year

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