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Cheap flights from St. Louis to Salt Lake City from $53

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 Salt Lake City departing on 9/4. 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

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Find the cheapest flights from St. Louis to Salt Lake City

Cheap round-trip flights

Frontier Logo
10:39 am - 3:45 pmSTL-SLC
6h 06m1 stop
Frontier Logo
12:40 pm - 8:44 pmSLC-STL
7h 04m1 stop
$111Frontier
Find Deal
jue., sep. 25 - lun., sep. 29
Frontier Logo
7:54 pm - 12:19 amSTL-SLC
5h 25m1 stop
Frontier Logo
12:40 pm - 8:44 pmSLC-STL
7h 04m1 stop
$154Frontier
Find Deal
lun., sep. 1 - lun., sep. 8
Frontier Logo
7:29 pm - 12:04 amSTL-SLC
5h 35m1 stop
Frontier Logo
9:59 pm - 9:11 amSLC-STL
10h 12m1 stop
$175Frontier
Find Deal
lun., ago. 4 - lun., ago. 25
Frontier Logo
7:54 pm - 12:39 pmSTL-SLC
17h 45m1 stop
Frontier Logo
9:59 pm - 9:11 amSLC-STL
10h 12m1 stop
$182Frontier
Find Deal
mié., ago. 27 - lun., sep. 1
Frontier Logo
7:55 pm - 12:14 amSTL-SLC
5h 19m1 stop
Frontier Logo
9:45 pm - 9:06 amSLC-STL
10h 21m1 stop
$185Frontier
Find Deal
jue., sep. 25 - dom., sep. 28
Frontier Logo
7:55 pm - 10:26 pmSTL-SLC
27h 31m1 stop
Frontier Logo
9:58 pm - 9:06 amSLC-STL
10h 08m1 stop
$192Frontier
Find Deal
mar., sep. 9 - sáb., sep. 13
Frontier Logo
7:29 pm - 12:04 amSTL-SLC
5h 35m1 stop
Frontier Logo
9:59 pm - 9:11 amSLC-STL
10h 12m1 stop
$195Frontier
Find Deal
lun., ago. 4 - lun., ago. 25
Frontier Logo
7:54 pm - 12:39 pmSTL-SLC
17h 45m1 stop
Frontier Logo
12:52 pm - 9:11 amSLC-STL
19h 19m1 stop
$202Frontier
Find Deal
vie., ago. 29 - mar., sep. 2
 Logo
3:35 pm - 9:53 pmSTL-SLC
7h 18m1 stop
 Logo
9:45 pm - 9:06 amSLC-STL
10h 21m1 stop
mar., sep. 9 - dom., sep. 14
 Logo
7:29 pm - 8:32 amSTL-SLC
14h 03m1 stop
 Logo
12:23 pm - 1:32 pmSLC-STL
24h 09m1 stop
mié., ago. 6 - mié., ago. 13

Frontier flights from St. Louis to Salt Lake City

Our best Frontier deals on St. Louis to Salt Lake City flight tickets
Frontier
Sep 25
STL10:39 amLambert-St Louis
6h 06m
1 stop
SLC3:45 pmSalt Lake City
Sep 29
SLC12:40 pmSalt Lake City
7h 04m
1 stop
STL8:44 pmLambert-St Louis
Frontier
Sep 1
STL7:54 pmLambert-St Louis
5h 25m
1 stop
SLC12:19 amSalt Lake City
Sep 8
SLC12:40 pmSalt Lake City
7h 04m
1 stop
STL8:44 pmLambert-St Louis
Frontier
Aug 4
STL7:29 pmLambert-St Louis
5h 35m
1 stop
SLC12:04 amSalt Lake City
Aug 25
SLC9:59 pmSalt Lake City
10h 12m
1 stop
STL9:11 amLambert-St Louis

American Airlines flights from St. Louis to Salt Lake City

Our best American Airlines deals on St. Louis to Salt Lake City flight tickets
American Airlines
Jul 17
STL7:03 amLambert-St Louis
7h 00m
1 stop
SLC1:03 pmSalt Lake City
Jul 20
SLC12:18 amSalt Lake City
6h 56m
1 stop
STL8:14 amLambert-St Louis
American Airlines
Jul 16
STL5:15 amLambert-St Louis
7h 43m
1 stop
SLC11:58 amSalt Lake City
Jul 20
SLC12:18 amSalt Lake City
6h 56m
1 stop
STL8:14 amLambert-St Louis

See travel insights to Salt Lake City from

How to get the cheapest flight ticket from St. Louis to Salt Lake City

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 Salt Lake City?

In general, April is the cheapest month to fly from St. Louis to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $359. If you are unable to visit Salt Lake City during the month of April, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $389.

What is the cheapest day to depart on your flight to Salt Lake City?

On average, the least expensive day to fly to Salt Lake City from St. Louis is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $359. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Sunday is $491.

What is the cheapest time of day to depart on your flight to Salt Lake City?

Our most recent data shows that the best time of day to fly to Salt Lake City is in the evening. Flights from St. Louis to Salt Lake City during this time can be as low as $334. In the morning is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $444 per ticket.

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

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

How far in advance should I book a flight to Salt Lake City?

You are more likely to see cheaper flights to Salt Lake City from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $431 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Salt Lake City from St. Louis for as low as $362 on momondo.

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

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

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

As of July 2025, prices for St. Louis to Salt Lake City flights are approximately 18% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$53

Fastest flight time

5h 09m

Direct flights

Every day

Airports in Salt Lake City

1 airport
The best one-way flight to Salt Lake City from St. Louis in the past 72 hours is $53. The best round-trip flight deal from St. Louis to Salt Lake City found on momondo in the last 72 hours is $111.
The fastest flight from St. Louis to Salt Lake City takes 5h 09m
Direct flights go from St. Louis to Salt Lake City every day.
There is 1 airport near Salt Lake City: Salt Lake City (SLC)

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

    The distance between Lambert-St Louis and Salt Lake City is about 1158.3 mi. A reasonable flight in good conditions will take 5h 09m.

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

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

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

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

  • What documentation or ID do you need to fly to Salt Lake City Airport?

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

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


Best airlines flying from St. Louis to Salt Lake City

Compare and see reviews for airlines that fly from St. Louis to Salt Lake City with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $110Free CancellationRating
5.9
3,284 reviews
Search Frontier flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $290Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
SouthwestPriceFrom $350Free CancellationRating
8.0
4,270 reviews
Search Southwest flights
DeltaPriceFrom $359Free CancellationRating
8.0
7,983 reviews
Search Delta flights
  • Southwest Flights From St. Louis to Salt Lake City

    Across 4 Southwest flights from St. Louis to Salt Lake City this week, the average price was $436, with the best Southwest deals starting from $350 round-trip. 4,270 users have rated Southwest on momondo, with an average score of 8.0/10.

  • Delta Flights From St. Louis to Salt Lake City

    Delta (8.0/10 from 7,983 reviews) operates around 11 flights from St. Louis to Salt Lake City in any given week. The average Delta airfare for this route is around $467, with deals from around $359 rare but found on momondo. Referenced prices are for round-trip St. Louis to Salt Lake City flight searches in the last 72 hours.


Traveling to a place near Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Park City
West Valley City
Logan
Heber City
Layton
Lehi
Midvale
West Jordan
Sandy
Midway
Evanston
South Jordan
Draper
Clearfield
Bountiful
Alta
Farmington
Brighton

Why use momondo?

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

Finding the right flight to Salt Lake City from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Salt Lake City quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for St. Louis to Salt Lake City flights to just show those with flexible booking policies.

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

Once you have performed a search for St. Louis to Salt Lake City flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Salt Lake City 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.


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1 adult
mar. 7/8
mar. 7/15

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