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Cheap flights from St. Louis to Utah from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Utah departing on 10/24. 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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0 bags

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Find the cheapest flights from St. Louis to Utah

Cheap round-trip flights

Frontier Logo
10:39 am - 3:45 pmSTL-SLC
6h 06m1 stop
Frontier Logo
9:45 pm - 9:06 amSLC-STL
10h 21m1 stop
$144Frontier
Find Deal
Sun, Sep 14 - Sun, Sep 21
Frontier Logo
10:49 am - 3:45 pmSTL-SLC
5h 56m1 stop
Frontier Logo
9:45 pm - 9:06 amSLC-STL
10h 21m1 stop
$149Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Frontier Logo
2:38 pm - 7:28 pmSTL-SLC
5h 50m1 stop
Frontier Logo
12:30 pm - 9:07 amSLC-STL
19h 37m1 stop
$152Frontier
Find Deal
Mon, Oct 6 - Tue, Oct 14
Frontier Logo
9:35 pm - 6:43 pmSTL-SLC
22h 08m1 stop
Frontier Logo
8:45 am - 9:06 amSLC-STL
23h 21m1 stop
$154Frontier
Find Deal
Fri, Sep 19 - Tue, Sep 23
Frontier Logo
7:45 pm - 7:32 amSTL-SLC
12h 47m1 stop
Frontier Logo
8:10 pm - 9:07 amSLC-STL
11h 57m1 stop
$155Frontier
Find Deal
Wed, Nov 5 - Sun, Nov 9
Frontier Logo
9:35 pm - 1:12 pmSTL-SLC
16h 37m1 stop
Frontier Logo
9:58 pm - 9:06 amSLC-STL
10h 08m1 stop
$156Frontier
Find Deal
Fri, Sep 19 - Sat, Sep 20
Frontier Logo
7:55 pm - 12:14 amSTL-SLC
5h 19m1 stop
Frontier Logo
9:45 pm - 9:07 amSLC-STL
10h 22m1 stop
$157Frontier
Find Deal
Mon, Sep 29 - Mon, Oct 6
Frontier Logo
9:35 pm - 1:12 pmSTL-SLC
16h 37m1 stop
Frontier Logo
9:45 pm - 9:06 amSLC-STL
10h 21m1 stop
$158Frontier
Find Deal
Fri, Sep 19 - Mon, Sep 22
Logo
7:55 pm - 12:14 amSTL-SLC
5h 19m1 stop
Logo
3:34 pm - 9:07 amSLC-STL
16h 33m2 stops
$193
Find Deal
Fri, Oct 3 - Tue, Oct 7
Logo
7:55 pm - 1:32 pmSTL-SLC
18h 37m2 stops
Logo
9:45 pm - 9:07 amSLC-STL
10h 22m1 stop
$194
Find Deal
Wed, Oct 1 - Mon, Oct 6

Frontier flights from St. Louis to Utah

Our best Frontier deals on St. Louis to Utah flight tickets
Frontier
Sep 11
STL7:55 pmLambert-St Louis
5h 19m
1 stop
SLC12:14 amSalt Lake City
Sep 12
SLC9:45 pmSalt Lake City
10h 21m
1 stop
STL9:06 amLambert-St Louis
$144
Find similar
Frontier
Sep 25
STL10:49 amLambert-St Louis
5h 56m
1 stop
SLC3:45 pmSalt Lake City
Sep 29
SLC9:45 pmSalt Lake City
10h 21m
1 stop
STL9:06 amLambert-St Louis
$149
Find similar
Frontier
Oct 6
STL2:38 pmLambert-St Louis
5h 50m
1 stop
SLC7:28 pmSalt Lake City
Oct 14
SLC12:30 pmSalt Lake City
19h 37m
1 stop
STL9:07 amLambert-St Louis
$152
Find similar

Delta flights from St. Louis to Utah

Our best Delta deals on St. Louis to Utah flight tickets
Delta
Sep 11
STL2:31 pmLambert-St Louis
4h 43m
1 stop
CDC6:14 pmCedar City
Sep 15
CDC6:55 pmCedar City
4h 43m
1 stop
STL12:38 amLambert-St Louis
$573
Find similar
Delta
Sep 11
STL2:31 pmLambert-St Louis
4h 43m
1 stop
CDC6:14 pmCedar City
Sep 15
CDC6:55 pmCedar City
12h 19m
2 stops
STL8:14 amLambert-St Louis
$583
Find similar
Delta
Sep 11
STL2:31 pmLambert-St Louis
4h 43m
1 stop
CDC6:14 pmCedar City
Sep 15
CDC6:55 pmCedar City
4h 43m
1 stop
STL12:38 amLambert-St Louis
$612
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Utah 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 September 4, 2025.
Use the filters below to find and compare flights from St. Louis to Utah that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sun 9/14

10:39 am-3:45 pm

1 stop6h 06m

Salt Lake City

Sun 9/21

9:45 pm-9:06 am

1 stop10h 21m

$144

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 9/25

10:49 am-3:45 pm

1 stop5h 56m

Salt Lake City

Mon 9/29

9:45 pm-9:06 am

1 stop10h 21m

$149

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 10/6

2:38 pm-7:28 pm

1 stop5h 50m

Salt Lake City

Tue 10/14

12:30 pm-9:07 am

1 stop19h 37m

$152

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 9/19

9:35 pm-6:43 pm

1 stop22h 08m

Salt Lake City

Tue 9/23

8:45 am-9:06 am

1 stop23h 21m

$154

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 11/5

7:45 pm-7:32 am

1 stop12h 47m

Salt Lake City

Sun 11/9

8:10 pm-9:07 am

1 stop11h 57m

$155

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 9/19

9:35 pm-1:12 pm

1 stop16h 37m

Salt Lake City

Sat 9/20

9:58 pm-9:06 am

1 stop10h 08m

$156

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 9/29

7:55 pm-12:14 am

1 stop5h 19m

Salt Lake City

Mon 10/6

9:45 pm-9:07 am

1 stop10h 22m

$157

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 9/19

9:35 pm-1:12 pm

1 stop16h 37m

Salt Lake City

Mon 9/22

9:45 pm-9:06 am

1 stop10h 21m

$158

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 10/3

7:55 pm-12:14 am

1 stop5h 19m

Salt Lake City

Tue 10/7

3:34 pm-9:07 am

2 stops16h 33m

$193

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 10/1

7:55 pm-1:32 pm

2 stops18h 37m

Salt Lake City

Mon 10/6

9:45 pm-9:07 am

1 stop10h 22m

$194

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 Utah from

How to get the cheapest flight ticket from St. Louis to Utah

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 Utah?

The cheapest month to fly to Utah from St. Louis is in April. Flight prices, which tend to average around $359, are often lower during this time because this is during the off-season. If you aren’t able to travel to Utah during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $399.

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

The cheapest day to depart on your flight to Utah is on a Tuesday when prices can be found for as low as $360. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Utah is Sunday, with ticket prices averaging around $479.

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

Our data shows that the cheapest St. Louis to Utah flights are usually those with departure times in the evening. Our users have found flights to Utah in the evening for as low as $331. Flights to Utah are more costly in the morning, with an average ticket price of $442. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Lambert-St Louis to Utah flight route?

Fly from Lambert-St Louis to Salt Lake City for the best Lambert-St Louis - Utah flight prices

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

You are more likely to see cheaper flights to Utah from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Utah for around $430 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Utah from St. Louis for as low as $362 on momondo.

What cabin class options are available on Lambert-St Louis to Utah flights?

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

Cheap St. Louis to Utah flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Utah

Best Price Found

$179

Fastest flight time

3h 06m

Direct flights

Every day

Airports in Utah

1 airport
The best one-way flight to Utah from St. Louis in the past 72 hours is $179. The best round-trip flight deal from St. Louis to Utah found on momondo in the last 72 hours is $289.
The fastest flight from St. Louis to Utah takes 3h 06m
Direct flights go from St. Louis to Utah every day.
There is 1 airport near Utah: Salt Lake City (SLC)
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Utah?

    Prices for flights from Lambert-St Louis Airport to Utah refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Utah?

  • How old do you have to be to fly from Lambert-St Louis Airport to Utah?

    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 Lambert-St Louis Airport to Utah.

  • What documentation or ID do you need to fly to Utah?

    The travel and health documents you'll need for your trip to Utah 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 Utah. 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 St. Louis to Utah?

Best airlines flying from St. Louis to Utah

Compare and see reviews for airlines that fly from St. Louis to Utah with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $113Free CancellationRating
5.8
3,194 reviews
Search Frontier flights
DeltaPriceFrom $258Free CancellationRating
7.9
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $290Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
SouthwestPriceFrom $313Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Utah?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Utah. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Utah with flexible booking policies on momondo?

momondo does allow users to show only those flights to Utah from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Utah?

Once all potential St. Louis to Utah flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Utah from St. Louis. 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 Utah trip

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