How long is the flight from Salt Lake City to St. Louis?

Frontier and Alaska Airlines can get you from Salt Lake City to St. Louis in just under 9h 47m. Your travel time can differ by up to 5h 58m. The distance from Salt Lake City to St. Louis is about 1153 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Salt Lake City to St. Louis round-trip?

According to our current data, Frontier ($125), Southwest ($296), and United Airlines ($306) offers the cheapest pricing from Salt Lake City to St. Louis. Users have found that Frontier is 69% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Salt Lake City to St. Louis one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $129. Users have also found prices from $179 and $180 on Alaska Airlines and Southwest, respectively.

Weekly flight availability from Salt Lake City to St. Louis

The most flights from SLC to STL are scheduled on a Sunday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the cheapest flights from Salt Lake City to St. Louis?

The cheapest flight price from Salt Lake City to St. Louis is $358. On average you can expect to pay $569. The most popular route, (Salt Lake City - Lambert-St Louis), can usually be booked for $180.

What are the most reliable airlines from Salt Lake City to St. Louis?

Consider SkyWest Airlines (100%), Delta (85%) or KLM (77%) when booking your flight. These represent the most reliable airlines when flying from Salt Lake City to St. Louis.

What are the most popular airlines that fly from Salt Lake City to St. Louis?

Consider Delta, Frontier or Southwest when booking your flight. These represent the most popular airlines when flying from Salt Lake City to St. Louis.

Most accurate provider : When it comes to deals on Salt Lake City-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Salt Lake City-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Salt Lake City-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Salt Lake City to St. Louis?

To fly from Salt Lake City to St. Louis, you need to book a flight from Salt Lake City (SLC) to Lambert-St Louis (STL). Nonstop flights to Lambert-St Louis from Salt Lake City take 2h 40m on average. When it comes time to book airfare, you have a few options: there are 3 outbound flights from Salt Lake City to Lambert-St Louis offered by 5 different airlines.

Can I find deals for flights from Salt Lake City to St. Louis that include hotel bookings?

Yes. In addition to deals on Salt Lake City to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Salt Lake City to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Salt Lake City to St. Louis.

Can I find deals for business class flights from Salt Lake City to St. Louis?

Yes. Cheapflights offers flight deals from Salt Lake City to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$62+ Flights from Salt Lake City to St. Louis

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Find cheap flights from Salt Lake City to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Salt Lake City to Lambert-St Louis are usually found in February or April, booked 69 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Salt Lake City to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$128 (Trip.com)
One-way from	$62 (Trip.com)
Popular in	December
Cheapest in	February
Average price	$429
Good round-trip deal	$419 or less
Good one-way deal	$388 or less

Provider with most accurate pricing for Salt Lake City-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Salt Lake City-Lambert-St Louis flights.

Search Deals

From Salt Lake City to Lambert-St Louis

Search Deals

One-way flight from Salt Lake City to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Price to beat on a round-trip flight from Salt Lake City to Lambert-St Louis.

Search Deals

Price to beat on a one-way flight from Salt Lake City to Lambert-St Louis.

Search Deals

Find flight deals from Salt Lake City to St. Louis

Cheapest flights from Salt Lake City to St. Louis
Explore the most affordable flight options available from Salt Lake City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Mon 11/178:10 pmSLC - STL

1 stop11h 57mFrontier

Thu 11/209:54 pmSTL - SLC

1 stop19h 51mFrontier

Deal found 10/25

$128

Mon 11/248:52 amSLC - STL

1 stop8h 27mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop14h 09mFrontier

Deal found 10/26

$142

Fri 12/124:56 pmSLC - STL

1 stop16h 18mFrontier

Sat 1/37:43 pmSTL - SLC

1 stop13h 29mFrontier

Deal found 10/25

$148

Fri 11/710:20 pmSLC - STL

1 stop16h 36mFrontier

Mon 11/107:45 pmSTL - SLC

1 stop16h 55mFrontier

Deal found 10/27

$152

Mon 11/108:10 pmSLC - STL

1 stop11h 57mFrontier

Fri 11/142:42 pmSTL - SLC

1 stop21h 06mFrontier

Deal found 10/26

$154

Sat 11/88:10 pmSLC - STL

1 stop11h 57mFrontier

Tue 11/117:45 pmSTL - SLC

1 stop25h 15mFrontier

Deal found 10/26

$155

Fri 12/54:56 pmSLC - STL

1 stop16h 18mFrontier

Mon 12/87:43 pmSTL - SLC

1 stop16h 54mFrontier

Deal found 10/26

$157

Wed 12/37:20 amSLC - STL

2 stops38h 13mFrontier

Wed 12/107:43 pmSTL - SLC

1 stop14h 09mFrontier

Deal found 10/25

$160

Mon 11/109:28 amSLC - STL

1 stop9h 44mFrontier

Thu 11/137:45 pmSTL - SLC

1 stop5h 16mFrontier

Deal found 10/26

$169

Thu 12/47:20 amSLC - STL

1 stop25h 54mFrontier

Mon 12/87:43 pmSTL - SLC

1 stop5h 24mFrontier

Deal found 10/26

$176

Best flights from Salt Lake City to St. Louis
Discover carefully curated flight deals from Salt Lake City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Mon 11/1010:20 pmSLC - STL

2 stops9h 47mFrontier

Fri 11/147:45 pmSTL - SLC

1 stop18h 34mFrontier

Deal found 10/26

$229

Thu 12/47:14 amSLC - STL

2 stops15h 45mAlaska Airlines

Mon 12/87:00 amSTL - SLC

1 stop8h 43mAlaska Airlines

Deal found 10/25

$386

Wed 12/36:30 amSLC - STL

2 stops9h 50mSouthwest

Mon 12/81:50 pmSTL - SLC

2 stops9h 10mSouthwest

Deal found 10/26

$409

Thu 12/43:30 pmSLC - STL

Nonstop2h 40mDelta

Mon 12/86:30 amSTL - SLC

Nonstop3h 23mDelta

Deal found 10/25

$419

Sat 11/18:10 pmSLC - STL

1 stop12h 57mFrontier

Sat 11/87:45 pmSTL - SLC

1 stop12h 47mFrontier

Deal found 10/25

$243

Mon 11/109:28 amSLC - STL

1 stop9h 44mFrontier

Thu 11/137:45 pmSTL - SLC

1 stop5h 16mFrontier

Deal found 10/25

$248

Sun 12/1412:36 pmSLC - STL

1 stop8h 12mFrontier

Sat 12/207:43 pmSTL - SLC

1 stop5h 24mFrontier

Deal found 10/27

$279

Wed 12/33:37 pmSLC - STL

1 stop21h 50mAlaska Airlines

Sun 12/77:00 amSTL - SLC

1 stop8h 43mAlaska Airlines

Deal found 10/26

$411

Tue 12/93:30 pmSLC - STL

Nonstop2h 40mDelta

Tue 12/162:20 pmSTL - SLC

Nonstop3h 19mDelta

Deal found 10/27

$419

Sun 12/143:30 pmSLC - STL

Nonstop2h 40mDelta

Sat 12/202:18 pmSTL - SLC

Nonstop3h 21mDelta

Deal found 10/27

$419

Thu 12/183:30 pmSLC - STL

Nonstop2h 40mDelta

Tue 1/65:00 pmSTL - SLC

Nonstop3h 20mDelta

Deal found 10/26

$419

Fri 12/53:30 pmSLC - STL

Nonstop2h 40mDelta

Sun 12/72:20 pmSTL - SLC

Nonstop3h 19mDelta

Deal found 10/26

$419

Last-minute flights from Salt Lake City to St. Louis
Discover last-minute flight deals from Salt Lake City to St. Louis. Data last updated October 27, 2025 and is based on user searches.

Wed 10/295:34 pmSLC - STL

1 stop19h 23mFrontier

Tue 11/47:45 pmSTL - SLC

1 stop25h 15mFrontier

Deal found 10/27

$214

Sat 11/111:43 amSLC - STL

1 stop26h 14mFrontier

Fri 11/79:07 pmSTL - SLC

1 stop20h 32mFrontier

Deal found 10/27

$211

Fri 11/710:20 pmSLC - STL

1 stop16h 36mFrontier

Mon 11/107:45 pmSTL - SLC

1 stop16h 55mFrontier

Deal found 10/27

$152

Fri 11/710:20 pmSLC - STL

1 stop16h 36mFrontier

Fri 11/142:42 pmSTL - SLC

1 stop26h 57mFrontier

Deal found 10/26

$188

Sat 11/88:10 pmSLC - STL

1 stop11h 57mFrontier

Tue 11/117:45 pmSTL - SLC

1 stop25h 15mFrontier

Deal found 10/26

$155

Mon 11/108:10 pmSLC - STL

1 stop11h 57mFrontier

Fri 11/142:42 pmSTL - SLC

1 stop21h 06mFrontier

Deal found 10/26

$154

Mon 11/109:28 amSLC - STL

1 stop9h 44mFrontier

Thu 11/137:45 pmSTL - SLC

1 stop5h 16mFrontier

Deal found 10/26

$169

Mon 11/178:10 pmSLC - STL

1 stop11h 57mFrontier

Thu 11/209:54 pmSTL - SLC

1 stop19h 51mFrontier

Deal found 10/25

$128

Mon 11/248:52 amSLC - STL

1 stop8h 27mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop14h 09mFrontier

Deal found 10/26

$142

Tue 11/258:08 amSLC - STL

1 stop9h 50mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop5h 24mFrontier

Deal found 10/26

$210

One-way flights from Salt Lake City to St. Louis
Search for one-way flight options from Salt Lake City to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Fri 12/510:22 amSLC - STL

1 stop22h 52mFrontier

Deal found 10/24

$62

Tue 12/96:23 pmSLC - STL

1 stop14h 51mFrontier

Deal found 10/25

$63

Thu 12/47:20 amSLC - STL

1 stop25h 54mFrontier

Deal found 10/26

$65

Tue 1/131:30 pmSLC - STL

1 stop19h 34mFrontier

Deal found 10/25

$66

Fri 12/124:56 pmSLC - STL

1 stop16h 18mFrontier

Deal found 10/26

$67

Fri 1/910:21 pmSLC - STL

1 stop10h 41mFrontier

Deal found 10/24

$68

Tue 12/2310:25 pmSLC - STL

2 stops34h 15mFrontier

Deal found 10/26

$70

Thu 1/1511:41 amSLC - STL

1 stop8h 12mFrontier

Deal found 10/24

$74

Wed 1/72:01 pmSLC - STL

1 stop25h 48mFrontier

Deal found 10/24

$76

Mon 11/248:52 amSLC - STL

1 stop8h 27mFrontier

Deal found 10/25

$79

Tue 12/26:23 pmSLC - STL

1 stop14h 51mFrontier

Deal found 10/26

$80

Cheapflights Fare Finder

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

Mon 11/10

10:20 pm-9:07 am

2 stops9h 47m

Lambert-St Louis

Fri 11/14

7:45 pm-1:19 pm

1 stop18h 34m

$229

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 11/1

8:10 pm-10:07 am

1 stop12h 57m

Lambert-St Louis

Sat 11/8

7:45 pm-7:32 am

1 stop12h 47m

$243

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 11/10

9:28 am-8:12 pm

1 stop9h 44m

Lambert-St Louis

Thu 11/13

7:45 pm-12:01 am

1 stop5h 16m

$248

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sun 12/14

12:36 pm-9:48 pm

1 stop8h 12m

Lambert-St Louis

Sat 12/20

7:43 pm-12:07 am

1 stop5h 24m

$279

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 12/4

7:14 am-11:59 pm

2 stops15h 45m

Lambert-St Louis

Mon 12/8

7:00 am-2:43 pm

1 stop8h 43m

$386

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 12/3

6:30 am-5:20 pm

2 stops9h 50m

Lambert-St Louis

Mon 12/8

1:50 pm-10:00 pm

2 stops9h 10m

$409

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 12/3

3:37 pm-2:27 pm

1 stop21h 50m

Lambert-St Louis

Sun 12/7

7:00 am-2:43 pm

1 stop8h 43m

$411

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 12/4

3:30 pm-7:10 pm

Nonstop2h 40m

Lambert-St Louis

Mon 12/8

6:30 am-8:53 am

Nonstop3h 23m

$419

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 12/9

3:30 pm-7:10 pm

Nonstop2h 40m

Lambert-St Louis

Tue 12/16

2:20 pm-4:39 pm

Nonstop3h 19m

$419

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sun 12/14

3:30 pm-7:10 pm

Nonstop2h 40m

Lambert-St Louis

Sat 12/20

2:18 pm-4:39 pm

Nonstop3h 21m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 22 results

Compare providers for flights from Salt Lake City to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Salt Lake City to St. Louis in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Salt Lake City-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Salt Lake City-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Salt Lake City-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Salt Lake City to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Salt Lake City with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Salt Lake City to St. Louis

Prices

Airlines

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

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Salt Lake City to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Salt Lake City to St. Louis?

Currently, February is the cheapest month in which you can book a flight from Salt Lake City to St. Louis (average of $109). Flying from Salt Lake City to St. Louis in December is currently the most expensive (average of $240). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SLC to STL?

One of the essential ways to save on airfare from Salt Lake City to St. Louis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

What is the cheapest day to fly from Salt Lake City to St. Louis?

Travelers seeking maximum savings on their Salt Lake City to St. Louis flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Salt Lake City to St. Louis, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,236 reviews

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

7.9

Good

7,996 reviews

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,997 reviews

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

11,033 reviews

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Frontier

5.8

Fair

3,122 reviews

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

What airports do I use to fly from Salt Lake City to St. Louis?
To fly from Salt Lake City to St. Louis, you need to book a flight from Salt Lake City (SLC) to Lambert-St Louis (STL). Nonstop flights to Lambert-St Louis from Salt Lake City take 2h 40m on average. When it comes time to book airfare, you have a few options: there are 3 outbound flights from Salt Lake City to Lambert-St Louis offered by 5 different airlines.
How long is the flight from Salt Lake City to St. Louis?
Frontier and Alaska Airlines can get you from Salt Lake City to St. Louis in just under 9h 47m. Your travel time can differ by up to 5h 58m. The distance from Salt Lake City to St. Louis is about 1153 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Salt Lake City to St. Louis round-trip?
According to our current data, Frontier ($125), Southwest ($296), and United Airlines ($306) offers the cheapest pricing from Salt Lake City to St. Louis. Users have found that Frontier is 69% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Salt Lake City to St. Louis one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $129. Users have also found prices from $179 and $180 on Alaska Airlines and Southwest, respectively.
What are the most reliable airlines from Salt Lake City to St. Louis?
Consider SkyWest Airlines (100%), Delta (85%) or KLM (77%) when booking your flight. These represent the most reliable airlines when flying from Salt Lake City to St. Louis.
What are the cheapest flights from Salt Lake City to St. Louis?
The cheapest flight price from Salt Lake City to St. Louis is $358. On average you can expect to pay $569. The most popular route, (Salt Lake City - Lambert-St Louis), can usually be booked for $180.
Can I find deals for flights from Salt Lake City to St. Louis that include hotel bookings?
Yes. In addition to deals on Salt Lake City to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Salt Lake City to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Salt Lake City to St. Louis.
Can I find deals for business class flights from Salt Lake City to St. Louis?
Yes. Cheapflights offers flight deals from Salt Lake City to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Salt Lake City to St. Louis?
Currently, February is the cheapest month in which you can book a flight from Salt Lake City to St. Louis (average of $109). Flying from Salt Lake City to St. Louis in December is currently the most expensive (average of $240). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to St. Louis

Top 5 airlines flying from Salt Lake City to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$125	Average$232	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$296	Average$459	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$306	Average$434	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$327	Average$407	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$359	Average$447	FlexibilityNo cancel fee	On-timeN/A

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$62+ Cheap flights from Salt Lake City to St. Louis (SLC - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Salt Lake City to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Salt Lake City to Lambert-St Louis are usually found in February or April, booked 69 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Salt Lake City to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Salt Lake City to St. Louis

Cheapest flights from Salt Lake City to St. LouisExplore the most affordable flight options available from Salt Lake City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Explore the most affordable flight options available from Salt Lake City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Salt Lake City to St. Louis that are best for you.

Compare providers for flights from Salt Lake City to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Salt Lake City to St. Louis in October.

Best time to book a flight from Salt Lake City to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Salt Lake City with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Salt Lake City to St. Louis

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

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Weekly flight availability from Salt Lake City to St. Louis

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Salt Lake City to St. Louis, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Traveling to a place near St. Louis?

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Alternative routes for Salt Lake City to St. Louis

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Top 5 airlines flying from Salt Lake City to St. Louis

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Cheapest flights from Salt Lake City to St. Louis
Explore the most affordable flight options available from Salt Lake City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.