Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Utah to St. Louis from $56

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 St. Louis departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Utah to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:01 pm - 3:53 pm
SLC
-
STL
18h 52m
1 stop
Frontier Logo
2:51 pm - 8:44 am
STL
-
SLC
18h 53m
1 stop
$157Frontier
Tue, Feb 24 - Sat, Feb 28
Frontier Logo
8:01 pm - 3:53 pm
SLC
-
STL
18h 52m
1 stop
Frontier Logo
10:11 pm - 8:30 am
STL
-
SLC
11h 19m
1 stop
$166Frontier
Tue, Feb 24 - Sun, Mar 1
Frontier Logo
8:00 am - 3:53 pm
SLC
-
STL
6h 53m
1 stop
Frontier Logo
8:12 pm - 6:55 am
STL
-
SLC
11h 43m
1 stop
$167Frontier
Wed, Mar 4 - Sat, Mar 7
Frontier Logo
9:14 pm - 9:49 am
SLC
-
STL
11h 35m
1 stop
Frontier Logo
8:12 pm - 7:55 am
STL
-
SLC
12h 43m
1 stop
$169Frontier
Fri, Mar 6 - Mon, Mar 16
Frontier Logo
8:00 am - 3:53 pm
SLC
-
STL
6h 53m
1 stop
Frontier Logo
1:00 pm - 7:29 pm
STL
-
SLC
7h 29m
1 stop
$172Frontier
Wed, Mar 4 - Tue, Mar 17
Frontier Logo
8:01 pm - 3:53 pm
SLC
-
STL
18h 52m
1 stop
Frontier Logo
10:11 pm - 8:30 am
STL
-
SLC
11h 19m
1 stop
$175Frontier
Tue, Feb 24 - Thu, Feb 26
Frontier Logo
8:00 am - 3:53 pm
SLC
-
STL
6h 53m
1 stop
Frontier Logo
11:32 am - 7:55 am
STL
-
SLC
21h 23m
2 stops
$179Frontier
Wed, Mar 4 - Wed, Mar 11
Frontier Logo
8:00 am - 7:12 pm
SLC
-
STL
10h 12m
1 stop
Frontier Logo
8:12 pm - 12:08 am
STL
-
SLC
4h 56m
1 stop
$180Frontier
Sat, May 9 - Mon, May 11
Frontier Logo
8:00 am - 6:51 am
SLC
-
STL
21h 51m
2 stops
Frontier Logo
4:51 pm - 9:49 pm
STL
-
SLC
5h 58m
1 stop
$181Frontier
Tue, Feb 24 - Wed, Feb 25
Frontier Logo
7:20 am - 1:56 pm
SLC
-
STL
5h 36m
1 stop
Frontier Logo
4:51 pm - 9:49 pm
STL
-
SLC
5h 58m
1 stop
$185Frontier
Sat, Feb 21 - Wed, Feb 25

Frontier flights from Utah to St. Louis

Our best Frontier deals on Utah to St. Louis flight tickets
Frontier
Feb 24
SLC8:01 pmSalt Lake City
18h 52m
1 stop
STL3:53 pmLambert-St Louis
Feb 28
STL2:51 pmLambert-St Louis
18h 53m
1 stop
SLC8:44 amSalt Lake City
$157
Frontier
Feb 24
SLC8:01 pmSalt Lake City
18h 52m
1 stop
STL3:53 pmLambert-St Louis
Mar 1
STL10:11 pmLambert-St Louis
11h 19m
1 stop
SLC8:30 amSalt Lake City
$166
Frontier
Mar 4
SLC8:00 amSalt Lake City
6h 53m
1 stop
STL3:53 pmLambert-St Louis
Mar 7
STL8:12 pmLambert-St Louis
11h 43m
1 stop
SLC6:55 amSalt Lake City
$167

momondo Fare Finder

 
Customize your flight search to find flights from Utah to St. Louis 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 February 7, 2026.
Use the filters below to find and compare flights from Utah to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 2/24

8:01 pm-3:53 pm

1 stop18h 52m

Lambert-St Louis

Sat 2/28

2:51 pm-8:44 am

1 stop18h 53m

$157

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 2/24

8:01 pm-3:53 pm

1 stop18h 52m

Lambert-St Louis

Sun 3/1

10:11 pm-8:30 am

1 stop11h 19m

$166

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 3/4

8:00 am-3:53 pm

1 stop6h 53m

Lambert-St Louis

Sat 3/7

8:12 pm-6:55 am

1 stop11h 43m

$167

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 3/6

9:14 pm-9:49 am

1 stop11h 35m

Lambert-St Louis

Mon 3/16

8:12 pm-7:55 am

1 stop12h 43m

$169

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 3/4

8:00 am-3:53 pm

1 stop6h 53m

Lambert-St Louis

Tue 3/17

1:00 pm-7:29 pm

1 stop7h 29m

$172

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 2/24

8:01 pm-3:53 pm

1 stop18h 52m

Lambert-St Louis

Thu 2/26

10:11 pm-8:30 am

1 stop11h 19m

$175

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 3/4

8:00 am-3:53 pm

1 stop6h 53m

Lambert-St Louis

Wed 3/11

11:32 am-7:55 am

2 stops21h 23m

$179

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 5/9

8:00 am-7:12 pm

1 stop10h 12m

Lambert-St Louis

Mon 5/11

8:12 pm-12:08 am

1 stop4h 56m

$180

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 2/24

8:00 am-6:51 am

2 stops21h 51m

Lambert-St Louis

Wed 2/25

4:51 pm-9:49 pm

1 stop5h 58m

$181

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 2/21

7:20 am-1:56 pm

1 stop5h 36m

Lambert-St Louis

Wed 2/25

4:51 pm-9:49 pm

1 stop5h 58m

$185

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

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

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 St. Louis?

In general, June is the cheapest month to fly from Utah to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $398. The month of February is another great option to travel to St. Louis, with average flight prices from Utah averaging around $399.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $419. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $537. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Utah in the evening is the least expensive time of day to depart. momondo users have found prices as low as $399 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $597 per ticket.

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

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

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Utah when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $418 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Utah for as low as $330 on momondo.

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

There are 2 cabin classes available to choose from on Utah to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Utah to St. Louis flight deals and tips

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

Best Price Found

$308

Fastest flight time

2h 45m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Utah in the past 72 hours is $308. The best round-trip flight deal from Utah to St. Louis found on momondo in the last 72 hours is $399.
The fastest flight from Utah to St. Louis takes 2h 45m
Direct flights go from Utah to St. Louis on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Delta.
There is 1 airport in St. Louis. From Utah there are direct flights to Lambert-St Louis (STL).
Search flight deals

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Utah to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

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

Best airlines flying from Utah to St. Louis

Compare and see reviews for airlines that fly from Utah to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $116Free CancellationRating
5.7
3,054 reviews
Search Frontier flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,162 reviews
Search Delta flights
SouthwestPriceFrom $264Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
9,245 reviews
Search United Airlines flights
American AirlinesPriceFrom $316Free CancellationRating
7.2
11,248 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
Shrewsbury

Why use momondo?

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

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 St. Louis from Utah.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Utah with this policy.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Utah. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your St. Louis 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 3/9
Mon 3/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States