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Cheap flights from Salt Lake City to St. Louis from $62

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 St. Louis departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Salt Lake City to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:40 am - 2:48 pm
SLC
-
STL
5h 08m1 stop
Frontier Logo
10:09 pm - 9:00 am
STL
-
SLC
11h 51m1 stop
$134Frontier
Wed, Jan 14 - Sun, Jan 18
Frontier Logo
2:18 pm - 2:48 pm
SLC
-
STL
23h 30m1 stop
Frontier Logo
3:43 pm - 11:00 pm
STL
-
SLC
8h 17m1 stop
$143Frontier
Tue, Jan 13 - Sat, Jan 17
Frontier Logo
8:35 am - 2:46 pm
SLC
-
STL
5h 11m1 stop
Frontier Logo
7:39 pm - 8:44 am
STL
-
SLC
14h 05m1 stop
$144Frontier
Wed, Jan 28 - Fri, Jan 30
Frontier Logo
9:19 pm - 6:44 pm
SLC
-
STL
20h 25m1 stop
Frontier Logo
9:45 pm - 2:36 pm
STL
-
SLC
17h 51m1 stop
$160Frontier
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
2:50 pm - 12:40 pm
SLC
-
STL
44h 50m2 stops
Frontier Logo
3:43 pm - 11:00 pm
STL
-
SLC
8h 17m1 stop
$162Frontier
Tue, Jan 13 - Sat, Jan 17
Frontier Logo
2:50 pm - 12:40 pm
SLC
-
STL
44h 50m2 stops
Frontier Logo
10:09 pm - 9:00 am
STL
-
SLC
11h 51m1 stop
$164Frontier
Wed, Jan 14 - Sun, Jan 18
Frontier Logo
8:35 am - 2:46 pm
SLC
-
STL
5h 11m1 stop
Frontier Logo
7:39 pm - 6:21 pm
STL
-
SLC
23h 42m2 stops
$179Frontier
Wed, Jan 28 - Fri, Jan 30
Frontier Logo
9:59 pm - 1:09 pm
SLC
-
STL
14h 10m1 stop
Frontier Logo
10:11 pm - 8:30 am
STL
-
SLC
11h 19m1 stop
$181Frontier
Sun, Feb 22 - Sun, Mar 1
Frontier Logo
8:01 pm - 3:53 pm
SLC
-
STL
18h 52m1 stop
Frontier Logo
8:12 pm - 7:55 am
STL
-
SLC
12h 43m1 stop
$183Frontier
Tue, Mar 3 - Mon, Mar 9
Frontier Logo
2:13 pm - 1:09 pm
SLC
-
STL
21h 56m1 stop
Frontier Logo
4:51 pm - 8:44 am
STL
-
SLC
16h 53m1 stop
$186Frontier
Thu, Feb 12 - Wed, Feb 18

Frontier flights from Salt Lake City to St. Louis

Our best Frontier deals on Salt Lake City to St. Louis flight tickets
Frontier
Feb 18
SLC8:00 amSalt Lake City
6h 53m
1 stop
STL3:53 pmLambert-St Louis
Feb 25
STL4:51 pmLambert-St Louis
16h 53m
1 stop
SLC8:44 amSalt Lake City
$128
Find similar
Frontier
Jan 14
SLC8:40 amSalt Lake City
5h 08m
1 stop
STL2:48 pmLambert-St Louis
Jan 18
STL10:09 pmLambert-St Louis
11h 51m
1 stop
SLC9:00 amSalt Lake City
$134
Find similar
Frontier
Jan 13
SLC2:18 pmSalt Lake City
23h 30m
1 stop
STL2:48 pmLambert-St Louis
Jan 17
STL3:43 pmLambert-St Louis
8h 17m
1 stop
SLC11:00 pmSalt Lake City
$143
Find similar

Alaska Airlines flights from Salt Lake City to St. Louis

Our best Alaska Airlines deals on Salt Lake City to St. Louis flight tickets
Alaska Airlines
Feb 12
SLC8:30 amSalt Lake City
14h 29m
2 stops
STL11:59 pmLambert-St Louis
Feb 18
STL7:00 amLambert-St Louis
28h 20m
2 stops
SLC10:20 amSalt Lake City
$343
Find similar
Alaska Airlines
Jan 30
SLC11:56 amSalt Lake City
9h 50m
2 stops
STL10:46 pmLambert-St Louis
Feb 1
STL2:50 pmLambert-St Louis
20h 41m
2 stops
SLC10:31 amSalt Lake City
$353
Find similar
Alaska Airlines
Jan 27
SLC12:17 pmSalt Lake City
24h 37m
1 stop
STL1:54 pmLambert-St Louis
Jan 30
STL2:50 pmLambert-St Louis
9h 53m
1 stop
SLC11:43 pmSalt Lake City
$370
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Salt Lake City 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 December 31, 2025.
Use the filters below to find and compare flights from Salt Lake City 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

Wed 1/14

8:40 am-2:48 pm

1 stop5h 08m

Lambert-St Louis

Sun 1/18

10:09 pm-9:00 am

1 stop11h 51m

$134

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 1/13

2:18 pm-2:48 pm

1 stop23h 30m

Lambert-St Louis

Sat 1/17

3:43 pm-11:00 pm

1 stop8h 17m

$143

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 1/28

8:35 am-2:46 pm

1 stop5h 11m

Lambert-St Louis

Fri 1/30

7:39 pm-8:44 am

1 stop14h 05m

$144

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 1/22

9:19 pm-6:44 pm

1 stop20h 25m

Lambert-St Louis

Mon 1/26

9:45 pm-2:36 pm

1 stop17h 51m

$160

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 1/13

2:50 pm-12:40 pm

2 stops44h 50m

Lambert-St Louis

Sat 1/17

3:43 pm-11:00 pm

1 stop8h 17m

$162

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 1/14

2:50 pm-12:40 pm

2 stops44h 50m

Lambert-St Louis

Sun 1/18

10:09 pm-9:00 am

1 stop11h 51m

$164

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 1/28

8:35 am-2:46 pm

1 stop5h 11m

Lambert-St Louis

Fri 1/30

7:39 pm-6:21 pm

2 stops23h 42m

$179

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sun 2/22

9:59 pm-1:09 pm

1 stop14h 10m

Lambert-St Louis

Sun 3/1

10:11 pm-8:30 am

1 stop11h 19m

$181

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 3/3

8:01 pm-3:53 pm

1 stop18h 52m

Lambert-St Louis

Mon 3/9

8:12 pm-7:55 am

1 stop12h 43m

$183

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 2/12

2:13 pm-1:09 pm

1 stop21h 56m

Lambert-St Louis

Wed 2/18

4:51 pm-8:44 am

1 stop16h 53m

$186

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 St. Louis from

How to get the cheapest flight ticket from Salt Lake City 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, February is the cheapest month to fly from Salt Lake City to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $375. The month of June is another great option to travel to St. Louis, with average flight prices from Salt Lake City averaging around $398.

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 Salt Lake City in the evening is the least expensive time of day to depart. momondo users have found prices as low as $418 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $496 per ticket.

What is the cheapest Salt Lake City to Lambert-St Louis flight route?

Fly from Salt Lake City to Lambert-St Louis for the best Salt Lake City - 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 Salt Lake City when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $417 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Salt Lake City for as low as $340 on momondo.

What cabin class options are available on Salt Lake City to Lambert-St Louis flights?

There are 2 cabin classes available to choose from on Salt Lake City 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.

How have Salt Lake City to St. Louis flight prices changed over time?

As of December 2025, prices for Salt Lake City to St. Louis flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Salt Lake City to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Salt Lake City to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Salt Lake City to St. Louis (SLC to STL) flight deals and tips

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

Best Price Found

$598

Fastest flight time

2h 45m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Salt Lake City in the past 72 hours is $598. The best round-trip flight deal from Salt Lake City to St. Louis found on momondo in the last 72 hours is $469.
The fastest flight from Salt Lake City to St. Louis takes 2h 45m
Direct flights go from Salt Lake City to St. Louis every day.
There is 1 airport in St. Louis. From Salt Lake City there are direct flights to Lambert-St Louis (STL).
Search flight deals

  • How far is Salt Lake City to Lambert-St Louis by plane?

    There are 1158.3 mi between Salt Lake City and Lambert-St Louis. In terms of flight time, this usually takes a little over 2h 45m.

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

    Prices for flights from Salt Lake City Airport to Lambert-St Louis Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Salt Lake City Airport to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Salt Lake City to St. Louis?

  • What is the most popular airline from Salt Lake City to St. Louis?

Best airlines flying from Salt Lake City to St. Louis

Compare and see reviews for airlines that fly from Salt Lake City to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $125Free CancellationRating
5.7
3,067 reviews
Search Frontier flights
United AirlinesPriceFrom $220Free CancellationRating
7.4
9,129 reviews
Search United Airlines flights
SouthwestPriceFrom $264Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $316Free CancellationRating
7.2
11,069 reviews
Search American Airlines flights
DeltaPriceFrom $332Free CancellationRating
7.9
8,013 reviews
Search Delta flights

  • Delta Flights From Salt Lake City to St. Louis

    Delta operates around 13 flights from Salt Lake City to St. Louis every week. The average price of these flights found in the last 72 hours has been $438, but momondo users have found Delta deals from Salt Lake City to St. Louis from as low as $332 round-trip. Delta has been scored 7.9/10 in 8,013 reviews.

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
O'Fallon
Florissant
Fenton
Collinsville
St. Peters
Wentzville
Alton
Farmington
Clayton
Glencoe
Eureka
Festus
Edwardsville
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Salt Lake City to St. Louis?

It is quick and easy to find Salt Lake City to St. Louis 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 St. Louis that suits you.

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

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

How can momondo help me find flights from Salt Lake City to St. Louis?

momondo helps you find the best flight between Salt Lake City and St. Louis 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 Salt Lake City to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis 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 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
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