What is the cheapest airline that flies from Utah to Illinois?

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from Utah to Illinois

How long is the flight from Utah to Illinois?

The flight from Utah to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Saint George (a popular airport in Utah) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 2h 19m on average. If you fly from Salt Lake City (another popular airport in Utah) to Chicago O'Hare Intl Airport, then the average flight time is 3h 06m.

How many flights depart from Utah to Illinois on average per week?

The number of flights available between Utah and Illinois is 170 per week as of March 2026. The most frequent departure day is Thu, with 23% of weekly flights leaving on this day.

What airlines fly to Illinois?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Illinois from Utah according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Utah to Illinois on average per day?

As of March 2026, 24 flights take off from Utah 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.

When did momondo last update prices for flights from Utah to Illinois?

Prices for flights from Utah to Illinois were last updated today.

How many operators does momondo search for flights from Utah to Illinois?

The number of operators available for flights from Utah to Illinois is 6 as of March 2026.

How old do you have to be to fly from Utah 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 Utah to Illinois.

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

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$79 Cheap Flights from Utah to Illinois in 2026

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Find the cheapest flights from Utah to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:23 am - 7:23 pm

SLC

STL

10h 00m

1 stop

8:08 pm - 7:38 am

STL

SLC

12h 30m

1 stop

$150Frontier

Sat, May 9 - Mon, May 18

8:23 am - 7:23 pm

SLC

STL

10h 00m

1 stop

8:08 pm - 3:44 pm

STL

SLC

20h 36m

1 stop

$159Frontier

Sat, May 9 - Mon, May 18

5:51 pm - 5:25 am

SLC

ORD

10h 34m

1 stop

8:58 pm - 8:01 am

ORD

SLC

12h 03m

2 stops

$264Multiple Airlines

Wed, Apr 29 - Sun, May 3

9:17 pm - 9:50 am

SLC

ORD

11h 33m

2 stops

7:55 am - 8:39 am

ORD

SLC

25h 44m

1 stop

$271Multiple Airlines

Tue, Apr 7 - Sun, Apr 12

4:56 pm - 11:51 pm

SLC

MLI

5h 55m

1 stop

11:30 am - 4:06 pm

MLI

SLC

5h 36m

1 stop

$300American Airlines

Thu, Jul 23 - Tue, Jul 28

4:38 pm - 12:32 am

SGU

ORD

6h 54m

1 stop

5:00 am - 11:29 am

ORD

SGU

7h 29m

1 stop

$318American Airlines

Fri, Apr 17 - Sun, Apr 19

1:51 pm - 10:54 pm

SGU

ORD

8h 03m

1 stop

8:40 am - 4:15 pm

ORD

SGU

8h 35m

1 stop

$343United Airlines

Mon, Apr 20 - Mon, Apr 27

1:48 pm - 9:39 pm

SGU

ORD

6h 51m

1 stop

9:10 am - 10:38 am

ORD

SGU

2h 28mnonstop

$349United Airlines

Sat, Jul 4 - Sat, Jul 11

5:50 am - 6:25 pm

SGU

MDW

11h 35m

2 stops

9:49 am - 6:39 pm

MDW

SGU

9h 50m

2 stops

$764Delta

Wed, Jul 29 - Mon, Aug 3

8:50 am - 10:28 pm

SGU

MDW

12h 38m

2 stops

6:00 am - 4:52 pm

MDW

SGU

11h 52m

2 stops

$783Delta

Mon, Apr 20 - Mon, Apr 27

American Airlines flights from Utah to Illinois

Our best American Airlines deals on Utah to Illinois flight tickets

American Airlines

Jul 23

SLC4:56 pmSalt Lake City

5h 55m

1 stop

MLI11:51 pmMoline Quad-City

Jul 28

MLI11:30 amMoline Quad-City

5h 36m

1 stop

SLC4:06 pmSalt Lake City

$300

American Airlines

Apr 17

SGU4:38 pmSaint George

6h 54m

1 stop

ORD12:32 amChicago O'Hare Intl

Apr 19

ORD5:00 amChicago O'Hare Intl

7h 29m

1 stop

SGU11:29 amSaint George

$318

American Airlines

Apr 15

SLC12:17 pmSalt Lake City

11h 15m

1 stop

ORD12:32 amChicago O'Hare Intl

Apr 22

ORD1:34 pmChicago O'Hare Intl

3h 41m

SLC4:15 pmSalt Lake City

$320

United Airlines flights from Utah to Illinois

Our best United Airlines deals on Utah to Illinois flight tickets

United Airlines

Apr 20

SGU1:51 pmSaint George

8h 03m

1 stop

ORD10:54 pmChicago O'Hare Intl

Apr 27

ORD8:40 amChicago O'Hare Intl

8h 35m

1 stop

SGU4:15 pmSaint George

$343

United Airlines

Jul 4

SGU1:48 pmSaint George

6h 51m

1 stop

ORD9:39 pmChicago O'Hare Intl

Jul 11

ORD9:10 amChicago O'Hare Intl

2h 28m

SGU10:38 amSaint George

$349

United Airlines

Jul 15

SLC4:25 pmSalt Lake City

5h 35m

1 stop

PIA11:00 pmGreater Peoria

Jul 21

PIA8:20 amGreater Peoria

8h 02m

1 stop

SLC3:22 pmSalt Lake City

$366

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 5/9

8:23 am-7:23 pm

1 stop10h 00m

Lambert-St Louis

Mon 5/18

8:08 pm-7:38 am

1 stop12h 30m

$150

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 5/9

8:23 am-7:23 pm

1 stop10h 00m

Lambert-St Louis

Mon 5/18

8:08 pm-3:44 pm

1 stop20h 36m

$159

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Wed 4/29

5:51 pm-5:25 am

1 stop10h 34m

Chicago O'Hare Intl

Sun 5/3

8:58 pm-8:01 am

2 stops12h 03m

$264

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Tue 4/7

9:17 pm-9:50 am

2 stops11h 33m

Chicago O'Hare Intl

Sun 4/12

7:55 am-8:39 am

1 stop25h 44m

$271

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Thu 7/23

4:56 pm-11:51 pm

1 stop5h 55m

Moline Quad-City

Tue 7/28

11:30 am-4:06 pm

1 stop5h 36m

$300

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Fri 4/17

4:38 pm-12:32 am

1 stop6h 54m

Chicago O'Hare Intl

Sun 4/19

5:00 am-11:29 am

1 stop7h 29m

$318

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Mon 4/20

1:51 pm-10:54 pm

1 stop8h 03m

Chicago O'Hare Intl

Mon 4/27

8:40 am-4:15 pm

1 stop8h 35m

$343

Quickest round-trip

Saint GeorgeChicago

SGU - ORD

SGUORD

Saint George

Sat 7/4

1:48 pm-9:39 pm

1 stop6h 51m

Chicago O'Hare Intl

Sat 7/11

9:10 am-10:38 am

Nonstop2h 28m

$349

Saint GeorgeChicago

SGU - MDW

SGUMDW

Saint George

Wed 7/29

5:50 am-6:25 pm

2 stops11h 35m

Chicago Midway

Mon 8/3

9:49 am-6:39 pm

2 stops9h 50m

$764

Saint GeorgeChicago

SGU - MDW

SGUMDW

Saint George

Mon 4/20

8:50 am-10:28 pm

2 stops12h 38m

Chicago Midway

Mon 4/27

6:00 am-4:52 pm

2 stops11h 52m

$783

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Utah 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 Utah is in September. Flight prices, which tend to average around $284, 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 September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $288.

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

The cheapest day to depart from Utah to Illinois is on a Thursday when prices can be found for as low as $484. Flights from Utah to Illinois on a Sunday will generally be more expensive and average around $616. 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 evening. Flights from Utah to Illinois during this time can be as low as $252. Flights in the afternoon are often more expensive with an average ticket price of $538.

What is the cheapest Utah to Illinois flight route?

Fly from Provo to Chicago Midway for the best Utah - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Utah when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $404 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Utah for as low as $297 on momondo.

What cabin class options are available on Utah to Illinois flights?

There are 4 cabin classes available to choose from on Utah to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Utah to Illinois flights?

No. A direct flight is the cheapest option for a flight between Utah to Illinois.

Cheap Utah to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Utah to Illinois

Best Price Found	$219
Fastest flight time	2h 19m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Utah in the past 72 hours is $219. The best round-trip flight deal from Utah to Illinois found on momondo in the last 72 hours is $420.

The fastest flight from Utah to Illinois takes 2h 19m

Direct flights go from Utah to Illinois every day.

There are 98 airports in Illinois. From Utah there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL).

Search flight deals

When did momondo last update prices for flights from Utah to Illinois?
Prices for flights from Utah to Illinois were last updated today.
How many operators does momondo search for flights from Utah to Illinois?
The number of operators available for flights from Utah to Illinois is 6 as of March 2026.
How old do you have to be to fly from Utah 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 Utah to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Utah to Illinois?
Based on momondo bookings for flights between Utah and Illinois, the leading plane model is Boeing 737-800, making up 20.99% of the total bookings. Other popular models include Airbus A319 with 13.69%, Boeing 737-900 with 9.49%, and Boeing 737 MAX 8 with 9.26%.

Best airlines flying from Utah to Illinois

Compare and see reviews for airlines that fly from Utah to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $75	Free Cancellation	Rating 6.3 8,547 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $90	Free Cancellation	Rating 7.3 710 reviews	Search Allegiant Air flights
Frontier	PriceFrom $97	Free Cancellation	Rating 5.7 3,015 reviews	Search Frontier flights
United Airlines	PriceFrom $168	Free Cancellation	Rating 7.4 9,489 reviews	Search United Airlines flights
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 8,336 reviews	Search Delta flights
American Airlines	PriceFrom $227	Free Cancellation	Rating 7.1 11,497 reviews	Search American Airlines flights
Southwest	PriceFrom $282	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Utah to Illinois?

It is quick and easy to find Utah to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from Utah to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Utah to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from Utah to Illinois?

momondo helps you find the best flight between Utah and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Utah to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $66

Flights to Los Angelesfrom $60

Flights to Orlandofrom $49

Flights to Miamifrom $45

Flights to Chicagofrom $68

Flights to San Franciscofrom $77

Flights to Las Vegasfrom $41

Flights to Washington, D.C.from $59

Flights to Bostonfrom $65

Flights to Atlantafrom $53

Flights to Dallasfrom $62

Flights to Seattlefrom $104

Cheap flights from Utah to Illinois from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Utah to Illinois departing on 5/15. 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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American Airlines flights from Utah to Illinois

Our best American Airlines deals on Utah to Illinois flight tickets

United Airlines flights from Utah to Illinois

Our best United Airlines deals on Utah to Illinois flight tickets

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See travel insights to Illinois from

How to get the cheapest flight ticket from Utah 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 Utah to Illinois flight route?

How far in advance should I book a flight to Illinois?

What cabin class options are available on Utah to Illinois flights?

Can stopping save me money on Utah to Illinois flights?

What is the cheapest airline that flies from Utah to Illinois?

What airlines fly to Illinois?

How many flights depart from Utah to Illinois on average per day?

How many flights depart from Utah to Illinois on average per week?

How long is the flight from Utah to Illinois?

Cheap Utah to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Utah to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Best airlines flying from Utah to Illinois

Compare and see reviews for airlines that fly from Utah 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

Popular flights according to clicks in the last 7 days on momondo

Utah flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

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