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

United Airlines, Southwest, and Alaska Airlines are the most popular carriers operating from Lambert-St Louis to Salt Lake City

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 69% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 4 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.

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

As of June 2026, 4 flights take off from St. Louis and land in Salt Lake City each day. The most common flight departure time for this route is 8:00AM, with 52% 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 28 per week as of June 2026. The most frequent departure day is Mon, with 14% 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 4 as of June 2026.

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.

$88 Cheap Flights from St. Louis to Salt Lake City in 2026

Q: What is the typical price of a round-trip flight between St. Louis and Salt Lake City?

Prices are currently low for flights on this route. Typical prices usually range from $420 to $539. The lowest price recently found on this route was $179.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 pm - 9:26 am

STL

SLC

15h 16m

1 stop

1:47 pm - 6:15 pm

SLC

STL

27h 28m

1 stop

$179Frontier

Mon, Jul 27 - Wed, Jul 29

7:10 pm - 9:26 am

STL

SLC

15h 16m

1 stop

1:47 pm - 6:15 pm

SLC

STL

27h 28m

1 stop

$180Frontier

Mon, Jul 27 - Wed, Jul 29

7:03 pm - 9:26 am

STL

SLC

15h 23m

1 stop

6:05 am - 7:23 pm

SLC

STL

12h 18m

1 stop

$181Frontier

Tue, Jul 14 - Tue, Jul 28

8:08 pm - 11:44 pm

STL

SLC

28h 36m

1 stop

1:47 pm - 6:15 pm

SLC

STL

27h 28m

1 stop

$183Frontier

Tue, Jul 14 - Wed, Jul 22

3:33 pm - 8:20 pm

STL

SLC

5h 47m

1 stop

8:16 am - 7:23 pm

SLC

STL

10h 07m

1 stop

$210Frontier

Tue, Aug 25 - Wed, Aug 26

8:08 pm - 7:31 am

STL

SLC

12h 23m

1 stop

1:47 pm - 6:15 pm

SLC

STL

27h 28m

1 stop

$216Frontier

Wed, Jul 15 - Wed, Jul 22

8:08 pm - 7:31 am

STL

SLC

12h 23m

1 stop

3:41 pm - 7:23 pm

SLC

STL

26h 42m

1 stop

$222Frontier

Wed, Jul 29 - Mon, Aug 3

8:08 pm - 7:31 am

STL

SLC

12h 23m

1 stop

1:52 pm - 6:15 pm

SLC

STL

27h 23m

1 stop

$223Frontier

Tue, Aug 4 - Thu, Aug 6

6:45 pm - 9:26 am

STL

SLC

15h 41m

1 stop

8:16 am - 7:23 pm

SLC

STL

10h 07m

1 stop

$224Frontier

Sat, Aug 22 - Tue, Sep 1

6:45 pm - 9:26 am

STL

SLC

15h 41m

1 stop

8:16 am - 7:23 pm

SLC

STL

10h 07m

1 stop

$225Frontier

Sun, Aug 23 - Tue, Sep 1

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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

Frontier

Jul 27

STL7:10 pmLambert-St Louis

15h 16m

1 stop

SLC9:26 amSalt Lake City

Jul 29

SLC1:47 pmSalt Lake City

27h 28m

1 stop

STL6:15 pmLambert-St Louis

$179

Frontier

Jul 27

STL7:10 pmLambert-St Louis

15h 16m

1 stop

SLC9:26 amSalt Lake City

Jul 29

SLC1:47 pmSalt Lake City

27h 28m

1 stop

STL6:15 pmLambert-St Louis

$180

Frontier

Jul 14

STL7:03 pmLambert-St Louis

15h 23m

1 stop

SLC9:26 amSalt Lake City

Jul 28

SLC6:05 amSalt Lake City

12h 18m

1 stop

STL7:23 pmLambert-St Louis

$181

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 7/27

7:10 pm-9:26 am

1 stop15h 16m

Salt Lake City

Wed 7/29

1:47 pm-6:15 pm

1 stop27h 28m

$179

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 7/27

7:10 pm-9:26 am

1 stop15h 16m

Salt Lake City

Wed 7/29

1:47 pm-6:15 pm

1 stop27h 28m

$180

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 7/14

7:03 pm-9:26 am

1 stop15h 23m

Salt Lake City

Tue 7/28

6:05 am-7:23 pm

1 stop12h 18m

$181

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 7/14

8:08 pm-11:44 pm

1 stop28h 36m

Salt Lake City

Wed 7/22

1:47 pm-6:15 pm

1 stop27h 28m

$183

Quickest round-trip

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 8/25

3:33 pm-8:20 pm

1 stop5h 47m

Salt Lake City

Wed 8/26

8:16 am-7:23 pm

1 stop10h 07m

$210

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 7/15

8:08 pm-7:31 am

1 stop12h 23m

Salt Lake City

Wed 7/22

1:47 pm-6:15 pm

1 stop27h 28m

$216

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 7/29

8:08 pm-7:31 am

1 stop12h 23m

Salt Lake City

Mon 8/3

3:41 pm-7:23 pm

1 stop26h 42m

$222

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 8/4

8:08 pm-7:31 am

1 stop12h 23m

Salt Lake City

Thu 8/6

1:52 pm-6:15 pm

1 stop27h 23m

$223

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sat 8/22

6:45 pm-9:26 am

1 stop15h 41m

Salt Lake City

Tue 9/1

8:16 am-7:23 pm

1 stop10h 07m

$224

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sun 8/23

6:45 pm-9:26 am

1 stop15h 41m

Salt Lake City

Tue 9/1

8:16 am-7:23 pm

1 stop10h 07m

$225

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

Other information

What is the typical price of a round-trip flight between St. Louis and Salt Lake City?

What is the cheapest month to fly to Salt Lake City?

In general, September 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 $399. If you are unable to visit Salt Lake City during the month of September, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $411.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $425. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Monday is $497.

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 afternoon. Flights from St. Louis to Salt Lake City during this time can be as low as $392. In the morning is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $503 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 from St. Louis 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 $456 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 $419 on momondo.

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

There are 4 cabin classes available to choose from on 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 June 2026, prices for St. Louis to Salt Lake City flights are approximately 17% 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	$188
Fastest flight time	3h 07m
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 $188. The best round-trip flight deal from St. Louis to Salt Lake City found on momondo in the last 72 hours is $390.

The fastest flight from St. Louis to Salt Lake City takes 3h 07m

Direct flights go from St. Louis to Salt Lake City every day.

There is 1 airport in Salt Lake City. From St. Louis there are direct flights to Salt Lake City (SLC).

Search flight deals

Frequently asked questions about flying from St. Louis to Salt Lake City

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 3h 07m.
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 4 as of June 2026.
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 A319 (24.05% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (17.56%), Boeing 737-800 Passenger/BBJ2 (winglets) (11.45%), and Boeing 737 (11.45%).
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 (69% of total bookings). The next most popular airlines are Frontier (19%), Southwest (11%), and American Airlines (2%).

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 $124	Free Cancellation	Rating 5.6 2,876 reviews	Search Frontier flights
Southwest	PriceFrom $244	Free Cancellation	Rating 7.9 4,243 reviews	Search Southwest flights
American Airlines	PriceFrom $276	Free Cancellation	Rating 7.1 11,722 reviews	Search American Airlines flights
Delta	PriceFrom $399	Free Cancellation	Rating 7.8 8,423 reviews	Search Delta flights

Southwest Flights From St. Louis to Salt Lake City
Across 1 Southwest flight from St. Louis to Salt Lake City this week, the average price was $430, with the best Southwest deals starting from $244 round-trip. 4,243 users have rated Southwest on momondo, with an average score of 7.9/10.
Delta Flights From St. Louis to Salt Lake City
Delta (7.8/10 from 8,423 reviews) operates around 20 flights from St. Louis to Salt Lake City in any given week. The average Delta airfare for this route is around $498, with deals from around $399 rare but found on momondo. Referenced prices are for round-trip St. Louis to Salt Lake City flight searches in the last 72 hours.

Park City

Midvale

West Valley City

Logan

Sandy

Lehi

Heber City

Draper

Layton

West Jordan

South Jordan

Midway

Clearfield

Evanston

Farmington

Alta

Bountiful

Brighton

Eden

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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Cheap flights from St. Louis to Salt Lake City from $88

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 7/27. 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

What is the typical price of a round-trip flight between St. Louis and Salt Lake City?

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?

How far in advance should I book a flight from St. Louis to Salt Lake City?

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

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

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

What airlines fly to Salt Lake City?

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

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

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

Frequently asked questions about flying 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

Southwest Flights From St. Louis to Salt Lake City

Delta Flights From St. Louis to Salt Lake City

Traveling to a place near Salt Lake City?

Why use momondo?

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

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