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Cheap flights from Salt Lake City to Illinois from $72

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 10/17. 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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Find the cheapest flights from Salt Lake City to Illinois

Cheap round-trip flights

Frontier Logo
1:25 pm - 8:40 pmSLC-STL
6h 15m1 stop
Frontier Logo
10:39 am - 3:45 pmSTL-SLC
6h 06m1 stop
$153Frontier
Find Deal
Fri, Sep 5 - Sun, Sep 7
Frontier Logo
9:45 pm - 9:06 amSLC-STL
10h 21m1 stop
Frontier Logo
10:39 am - 3:45 pmSTL-SLC
6h 06m1 stop
$155Frontier
Find Deal
Thu, Sep 11 - Sun, Sep 14
Frontier Logo
9:45 pm - 11:59 pmSLC-ORD
25h 14m1 stop
Frontier Logo
6:00 am - 7:32 amORD-SLC
26h 32m1 stop
$160Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Spirit Airlines Logo
9:29 am - 9:32 pmSLC-ORD
11h 03m1 stop
Spirit Airlines Logo
6:15 am - 5:52 pmORD-SLC
12h 37m1 stop
$173Spirit Airlines
Find Deal
Sat, Sep 20 - Mon, Sep 22
American Airlines Logo
4:36 pm - 11:50 pmSLC-MLI
6h 14m1 stop
American Airlines Logo
5:34 pm - 11:03 pmMLI-SLC
6h 29m1 stop
$259American Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
United Airlines Logo
4:08 pm - 10:15 pmSLC-PIA
5h 07m1 stop
United Airlines Logo
5:20 pm - 10:25 pmPIA-SLC
6h 05m1 stop
$259United Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 14
American Airlines Logo
12:25 pm - 11:50 pmSLC-MLI
10h 25m2 stops
American Airlines Logo
5:34 pm - 11:03 pmMLI-SLC
6h 29m1 stop
$264American Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
United Airlines Logo
4:08 pm - 10:15 pmSLC-PIA
5h 07m1 stop
United Airlines Logo
8:10 am - 6:09 pmPIA-SLC
10h 59m2 stops
$290United Airlines
Find Deal
Fri, Sep 5 - Sat, Sep 6
Delta Logo
1:25 pm - 9:54 pmSLC-EVV
7h 29m1 stop
Delta Logo
5:00 pm - 12:55 amEVV-SLC
8h 55m1 stop
$485Delta
Find Deal
Wed, Sep 3 - Sun, Sep 7
Delta Logo
11:35 pm - 8:50 amSLC-EVV
8h 15m1 stop
Delta Logo
6:02 pm - 12:36 amEVV-SLC
7h 34m1 stop
$494Delta
Find Deal
Fri, Oct 3 - Mon, Oct 6

Spirit Airlines flights from Salt Lake City to Illinois

Our best Spirit Airlines deals on Salt Lake City to Illinois flight tickets
Spirit Airlines
Sep 20
SLC9:29 amSalt Lake City
11h 03m
1 stop
ORD9:32 pmChicago O'Hare Intl
Sep 22
ORD6:15 amChicago O'Hare Intl
12h 37m
1 stop
SLC5:52 pmSalt Lake City
$173
Find similar
Spirit Airlines
Sep 3
SLC3:02 pmSalt Lake City
19h 57m
2 stops
ORD11:59 amChicago O'Hare Intl
Sep 8
ORD5:05 amChicago O'Hare Intl
28h 29m
2 stops
SLC8:34 amSalt Lake City
$246
Find similar
Spirit Airlines
Sep 2
SLC3:02 pmSalt Lake City
26h 12m
2 stops
ORD6:14 pmChicago O'Hare Intl
Sep 8
ORD6:05 pmChicago O'Hare Intl
15h 29m
1 stop
SLC8:34 amSalt Lake City
$258
Find similar

Frontier flights from Salt Lake City to Illinois

Our best Frontier deals on Salt Lake City to Illinois flight tickets
Frontier
Sep 5
SLC1:25 pmSalt Lake City
6h 15m
1 stop
STL8:40 pmLambert-St Louis
Sep 7
STL10:39 amLambert-St Louis
6h 06m
1 stop
SLC3:45 pmSalt Lake City
$153
Find similar
Frontier
Sep 11
SLC9:45 pmSalt Lake City
10h 21m
1 stop
STL9:06 amLambert-St Louis
Sep 14
STL10:39 amLambert-St Louis
6h 06m
1 stop
SLC3:45 pmSalt Lake City
$155
Find similar
Frontier
Sep 25
SLC9:45 pmSalt Lake City
25h 14m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 28
ORD6:00 amChicago O'Hare Intl
26h 32m
1 stop
SLC7:32 amSalt Lake City
$160
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Salt Lake City to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 9/5

1:25 pm-8:40 pm

1 stop6h 15m

Lambert-St Louis

Sun 9/7

10:39 am-3:45 pm

1 stop6h 06m

$153

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 9/11

9:45 pm-9:06 am

1 stop10h 21m

Lambert-St Louis

Sun 9/14

10:39 am-3:45 pm

1 stop6h 06m

$155

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Thu 9/25

9:45 pm-11:59 pm

1 stop25h 14m

Chicago O'Hare Intl

Sun 9/28

6:00 am-7:32 am

1 stop26h 32m

$160

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Sat 9/20

9:29 am-9:32 pm

1 stop11h 03m

Chicago O'Hare Intl

Mon 9/22

6:15 am-5:52 pm

1 stop12h 37m

$173

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Tue 10/7

4:36 pm-11:50 pm

1 stop6h 14m

Moline Quad-City

Sat 10/11

5:34 pm-11:03 pm

1 stop6h 29m

$259

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Tue 9/30

4:08 pm-10:15 pm

1 stop5h 07m

Greater Peoria

Tue 10/14

5:20 pm-10:25 pm

1 stop6h 05m

$259

Salt Lake CityMoline

SLC - MLI

SLCMLI

Salt Lake City

Tue 10/7

12:25 pm-11:50 pm

2 stops10h 25m

Moline Quad-City

Sat 10/11

5:34 pm-11:03 pm

1 stop6h 29m

$264

Salt Lake CityPeoria

SLC - PIA

SLCPIA

Salt Lake City

Fri 9/5

4:08 pm-10:15 pm

1 stop5h 07m

Greater Peoria

Sat 9/6

8:10 am-6:09 pm

2 stops10h 59m

$290

Salt Lake CityEvansville

SLC - EVV

SLCEVV

Salt Lake City

Wed 9/3

1:25 pm-9:54 pm

1 stop7h 29m

Evansville Dress Regional

Sun 9/7

5:00 pm-12:55 am

1 stop8h 55m

$485

Salt Lake CityEvansville

SLC - EVV

SLCEVV

Salt Lake City

Fri 10/3

11:35 pm-8:50 am

1 stop8h 15m

Evansville Dress Regional

Mon 10/6

6:02 pm-12:36 am

1 stop7h 34m

$494

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Salt Lake City is in November. Flight prices, which tend to average around $249, 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 November, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $250.

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 Friday when prices can be found for as low as $478. Flights from Salt Lake City to Illinois on a Sunday will generally be more expensive and average around $672. 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 Salt Lake City to Illinois during this time can be as low as $167. Flights in the morning are often more expensive with an average ticket price of $553.

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 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 $367 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 $282 on momondo.

What cabin class options are available on Salt Lake City to Illinois flights?

There are 4 cabin classes available to choose from on Salt Lake City 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 Salt Lake City to Illinois flights?

No. A direct flight is the cheapest option for a flight between Salt Lake City to Illinois.

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

$168

Fastest flight time

2h 46m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Salt Lake City in the past 72 hours is $168. The best round-trip flight deal from Salt Lake City to Illinois found on momondo in the last 72 hours is $295.
The fastest flight from Salt Lake City to Illinois takes 2h 46m
Direct flights go from Salt Lake City to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)
Search flight deals

  • 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?

  • 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?

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
FrontierPriceFrom $87Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $93Free CancellationRating
6.3
8,039 reviews
Search Spirit Airlines flights
DeltaPriceFrom $175Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $183Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $200Free CancellationRating
8.0
4,246 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.

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Find better results for your trip to Illinois

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