What airlines fly to Salt Lake City?

Delta, Frontier and Southwest are the top three most popular airlines that fly to Salt Lake City from St. Louis according to our data. Delta is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 5 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between St. Louis and Salt Lake City?

Denver (DEN) was the most common stop: 86% of momondo users choosing 1-stop flights on this route connected there.

How many flights depart from St. Louis to Salt Lake City on average per day?

As of August 2025, 3 flights take off from St. Louis and land in Salt Lake City each day. The most common flight departure time for this route is 7:00AM, with 53% of daily flights taking off at noon.

What is the cheapest airline that flies from Lambert-St Louis to Salt Lake City?

Frontier is the most popular carrier operating from Lambert-St Louis to Salt Lake City

Which layover airport has the shortest connection time from St. Louis to Salt Lake City?

Dallas (DFW) has the shortest average layover time for this route: 1h 12m.

Which layover airport offers the lowest fares from St. Louis to Salt Lake City?

Flights via Denver (DEN) offer the lowest average round-trip price of $280.

Which layover airport has the shortest travel time from St. Louis to Salt Lake City?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 5h 50m.

How many flights depart from St. Louis to Salt Lake City on average per week?

The number of flights available between St. Louis and Salt Lake City is 24 per week as of August 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

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?

The number of operators available for flights from Lambert-St Louis Airport to Salt Lake City Airport is 5 as of August 2025.

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.

$73 Cheap Flights from St. Louis to Salt Lake City (STL-SLC) in 2025

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Find the cheapest flights from St. Louis to Salt Lake City (STL-SLC)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:55 pm - 12:14 amSTL-SLC

5h 19m1 stop

12:55 pm - 8:44 pmSLC-STL

6h 49m1 stop

$151Frontier

Find Deal

Fri, Sep 5 - Mon, Sep 8

10:17 am - 8:03 pmSTL-SLC

10h 46m1 stop

10:05 pm - 9:07 amSLC-STL

10h 02m1 stop

$155Frontier

Find Deal

Sun, Oct 12 - Sun, Oct 19

2:38 pm - 7:28 pmSTL-SLC

5h 50m1 stop

9:45 pm - 9:06 amSLC-STL

10h 21m1 stop

$160Frontier

Find Deal

Mon, Sep 8 - Mon, Sep 15

7:52 pm - 7:32 amSTL-SLC

12h 40m1 stop

12:30 pm - 9:07 amSLC-STL

19h 37m1 stop

$161Frontier

Find Deal

Wed, Oct 15 - Tue, Oct 21

10:17 am - 8:03 pmSTL-SLC

10h 46m1 stop

8:45 am - 9:07 amSLC-STL

23h 22m1 stop

$162Frontier

Find Deal

Sun, Oct 12 - Tue, Oct 21

7:55 pm - 12:14 amSTL-SLC

5h 19m1 stop

9:45 pm - 9:06 amSLC-STL

10h 21m1 stop

$163Frontier

Find Deal

Mon, Sep 22 - Thu, Sep 25

7:55 pm - 12:14 amSTL-SLC

5h 19m1 stop

6:45 am - 9:06 amSLC-STL

25h 21m1 stop

$165Frontier

Find Deal

Fri, Oct 3 - Sun, Oct 5

4:58 pm - 10:14 amSTL-SLC

18h 16m1 stop

6:45 am - 9:06 amSLC-STL

25h 21m1 stop

$167Frontier

Find Deal

Sat, Sep 13 - Thu, Sep 18

7:52 pm - 7:32 amSTL-SLC

12h 40m1 stop

3:34 pm - 9:07 amSLC-STL

16h 33m2 stops

$191

Find Deal

Wed, Oct 15 - Wed, Oct 22

7:55 pm - 8:34 amSTL-SLC

13h 39m2 stops

10:05 pm - 9:07 amSLC-STL

10h 02m1 stop

$194

Find Deal

Tue, Sep 30 - Mon, Oct 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 5

STL7:55 pmLambert-St Louis

5h 19m

1 stop

SLC12:14 amSalt Lake City

Sep 8

SLC12:55 pmSalt Lake City

6h 49m

1 stop

STL8:44 pmLambert-St Louis

$151

Find similar

Frontier

Oct 12

STL10:17 amLambert-St Louis

10h 46m

1 stop

SLC8:03 pmSalt Lake City

Oct 19

SLC10:05 pmSalt Lake City

10h 02m

1 stop

STL9:07 amLambert-St Louis

$155

Find similar

Frontier

Sep 8

STL2:38 pmLambert-St Louis

5h 50m

1 stop

SLC7:28 pmSalt Lake City

Sep 15

SLC9:45 pmSalt Lake City

10h 21m

1 stop

STL9:06 amLambert-St Louis

$160

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 9/5

7:55 pm-12:14 am

1 stop5h 19m

Salt Lake City

Mon 9/8

12:55 pm-8:44 pm

1 stop6h 49m

$151

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sun 10/12

10:17 am-8:03 pm

1 stop10h 46m

Salt Lake City

Sun 10/19

10:05 pm-9:07 am

1 stop10h 02m

$155

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 9/8

2:38 pm-7:28 pm

1 stop5h 50m

Salt Lake City

Mon 9/15

9:45 pm-9:06 am

1 stop10h 21m

$160

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 10/15

7:52 pm-7:32 am

1 stop12h 40m

Salt Lake City

Tue 10/21

12:30 pm-9:07 am

1 stop19h 37m

$161

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sun 10/12

10:17 am-8:03 pm

1 stop10h 46m

Salt Lake City

Tue 10/21

8:45 am-9:07 am

1 stop23h 22m

$162

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 9/22

7:55 pm-12:14 am

1 stop5h 19m

Salt Lake City

Thu 9/25

9:45 pm-9:06 am

1 stop10h 21m

$163

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

Sun 10/5

6:45 am-9:06 am

1 stop25h 21m

$165

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sat 9/13

4:58 pm-10:14 am

1 stop18h 16m

Salt Lake City

Thu 9/18

6:45 am-9:06 am

1 stop25h 21m

$167

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 10/15

7:52 pm-7:32 am

1 stop12h 40m

Salt Lake City

Wed 10/22

3:34 pm-9:07 am

2 stops16h 33m

$191

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 9/30

7:55 pm-8:34 am

2 stops13h 39m

Salt Lake City

Mon 10/13

10:05 pm-9:07 am

1 stop10h 02m

$194

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

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 $394.

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 $484.

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 $328. In the morning is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $443 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 $430 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 August 2025, prices for St. Louis to Salt Lake City flights are approximately 42% more expensive 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	$73
Fastest flight time	5h 07m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
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 $73. The best round-trip flight deal from St. Louis to Salt Lake City found on momondo in the last 72 hours is $151.

The fastest flight from St. Louis to Salt Lake City takes 5h 07m

Direct flights go from St. Louis to Salt Lake City on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Delta.

There is 1 airport near Salt Lake City: Salt Lake City (SLC)

Search flight deals

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 19m.
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?
The number of operators available for flights from Lambert-St Louis Airport to Salt Lake City Airport is 5 as of August 2025.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from St. Louis to Salt Lake City is Airbus A220-100 (19.20% of total bookings). The next most popular plane models are Airbus A319 (18.83%), Boeing 737 (11.33%), and Boeing 737 MAX 9 (10.97%).
What is the most popular airline from St. Louis to Salt Lake City?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Salt Lake City is Delta (67% of total bookings). The next most popular airlines are Frontier (18%), Southwest (9%), and American Airlines (4%).

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
Frontier	PriceFrom $114	Free Cancellation	Rating 5.8 3,211 reviews	Search Frontier flights
American Airlines	PriceFrom $276	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 8,922 reviews	Search United Airlines flights
Southwest	PriceFrom $313	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
Delta	PriceFrom $359	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights

Delta Flights From St. Louis to Salt Lake City
Across 20 Delta flights from St. Louis to Salt Lake City this week, the average price was $453, with the best Delta deals starting from $359 round-trip. 7,981 users have rated Delta on momondo, with an average score of 7.9/10.

Park City

Logan

West Valley City

Heber City

Midvale

Layton

Lehi

West Jordan

Sandy

Midway

Evanston

Draper

South Jordan

Clearfield

Farmington

Bountiful

Alta

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.

An easier way to manage your Salt Lake City trip

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Cheap flights from St. Louis to Salt Lake City from $73

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 11/6. 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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Frontier flights from St. Louis to Salt Lake City

Our best Frontier deals on St. Louis to Salt Lake City flight tickets

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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?

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

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

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?

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 August 2025, prices for St. Louis to Salt Lake City flights are approximately 42% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Lambert-St Louis to Salt Lake City?

Frontier is the most popular carrier operating from Lambert-St Louis to Salt Lake City

What airlines fly to Salt Lake City?

Which airport is the most popular layover for flights between St. Louis and Salt Lake City?

Denver (DEN) was the most common stop: 86% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from St. Louis to Salt Lake City?

Flights via Denver (DEN) offer the lowest average round-trip price of $280.

Which layover airport has the shortest travel time from St. Louis to Salt Lake City?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 5h 50m.

Which layover airport has the shortest connection time from St. Louis to Salt Lake City?

Dallas (DFW) has the shortest average layover time for this route: 1h 12m.

How many flights depart from St. Louis to Salt Lake City on average per day?

As of August 2025, 3 flights take off from St. Louis and land in Salt Lake City each day. The most common flight departure time for this route is 7:00AM, with 53% of daily flights taking off at noon.

How many flights depart from St. Louis to Salt Lake City on average per week?

The number of flights available between St. Louis and Salt Lake City is 24 per week as of August 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

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

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

Fastest flight time

Direct flights

Airports in Salt Lake City

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

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

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?

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

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

Delta Flights From St. Louis to Salt Lake City

Traveling to a place near Salt Lake City?

Why use momondo?

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

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

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

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

An easier way to manage your Salt Lake City 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Utah