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

Frontier can get you from Salt Lake City to St. Louis in just under 15h 07m. Your travel time can differ by up to . The distance from Salt Lake City to St. Louis is about 1153 mi.

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

According to our current data, Frontier ($119), Southwest ($271), and United Airlines ($306) offers the cheapest pricing from Salt Lake City to St. Louis. Users have found that Frontier is 71% 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 $76. Users have also found prices from $104 and $144 on American Airlines and United Airlines, respectively.

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 $399. On average you can expect to pay $549. The most popular route, (Salt Lake City - Lambert-St Louis), can usually be booked for $189.

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

Consider Sun Country Air (100%), KLM (83%) or Delta (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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Salt Lake City-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 4 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.

$60+ 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

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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

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 December 12, 2025.

Fri 12/1910:25 pmSLC - STL

1 stop22h 00mFrontier

Mon 12/227:43 pmSTL - SLC

1 stop13h 29mFrontier

Deal found 12/11

$258

Wed 12/2410:25 pmSLC - STL

1 stop16h 59mFrontier

Sun 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/10

$270

Fri 12/268:58 pmSLC - STL

1 stop12h 04mFrontier

Sun 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/10

$271

Tue 12/309:07 pmSLC - STL

1 stop11h 55mMultiple Airlines

Tue 1/67:00 amSTL - SLC

1 stop15h 17mMultiple Airlines

Deal found 12/11

$274

Sat 12/132:38 pmSLC - STL

1 stop20h 34mFrontier

Mon 12/157:43 pmSTL - SLC

1 stop5h 24mFrontier

Deal found 12/10

$294

Sun 12/142:38 pmSLC - STL

1 stop6h 10mFrontier

Sat 12/207:43 pmSTL - SLC

1 stop5h 24mFrontier

Deal found 12/11

$318

Fri 12/268:58 pmSLC - STL

1 stop12h 04mFrontier

Wed 12/317:43 pmSTL - SLC

1 stop13h 29mFrontier

Deal found 12/11

$346

Thu 12/258:58 pmSLC - STL

1 stop12h 04mFrontier

Mon 12/298:52 pmSTL - SLC

1 stop11h 49mFrontier

Deal found 12/10

$359

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 December 12, 2025.

Thu 1/88:05 pmSLC - STL

1 stop15h 07mFrontier

Sun 1/119:46 pmSTL - SLC

1 stop11h 44mFrontier

Deal found 12/10

$153

Thu 1/2212:15 pmSLC - STL

1 stop7h 51mFrontier

Mon 1/261:40 pmSTL - SLC

1 stop11h 34mFrontier

Deal found 12/11

$176

Tue 1/2712:17 pmSLC - STL

1 stop24h 37mAlaska Airlines

Fri 1/302:50 pmSTL - SLC

1 stop21h 27mAlaska Airlines

Deal found 12/10

$357

Mon 1/57:20 amSLC - STL

2 stops11h 47mFrontier

Wed 1/77:43 pmSTL - SLC

1 stop13h 54mFrontier

Deal found 12/10

$251

Tue 2/248:01 pmSLC - STL

1 stop18h 52mFrontier

Tue 3/108:06 pmSTL - SLC

1 stop13h 54mFrontier

Deal found 12/11

$263

Thu 1/2211:56 amSLC - STL

2 stops24h 58mAlaska Airlines

Mon 1/262:50 pmSTL - SLC

1 stop27h 44mAlaska Airlines

Deal found 12/11

$358

Wed 12/2410:25 pmSLC - STL

1 stop16h 59mFrontier

Sun 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/10

$270

Thu 1/18:58 pmSLC - STL

1 stop12h 04mFrontier

Sun 1/410:10 pmSTL - SLC

1 stop24h 23mFrontier

Deal found 12/11

$320

Mon 1/196:50 amSLC - STL

1 stop11h 01mFrontier

Tue 1/205:42 pmSTL - SLC

2 stops26h 12mFrontier

Deal found 12/10

$358

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 December 12, 2025 and is based on user searches.

Sun 1/48:58 pmSLC - STL

1 stop12h 04mFrontier

Sat 1/107:43 pmSTL - SLC

1 stop14h 04mFrontier

Deal found 12/11

$196

Wed 1/74:41 pmSLC - STL

1 stop18h 31mFrontier

Mon 1/121:07 pmSTL - SLC

1 stop23h 34mFrontier

Deal found 12/10

$132

Thu 1/88:05 pmSLC - STL

1 stop15h 07mFrontier

Sun 1/119:46 pmSTL - SLC

1 stop11h 44mFrontier

Deal found 12/10

$153

Thu 1/156:12 pmSLC - STL

1 stop17h 28mFrontier

Sun 1/1810:09 pmSTL - SLC

1 stop11h 51mFrontier

Deal found 12/10

$159

Fri 1/169:31 pmSLC - STL

1 stop16h 17mFrontier

Sun 1/181:35 pmSTL - SLC

1 stop20h 25mFrontier

Deal found 12/10

$148

Sun 1/182:43 pmSLC - STL

2 stops15h 08mMultiple Airlines

Fri 1/237:39 pmSTL - SLC

1 stop14h 05mMultiple Airlines

Deal found 12/10

$193

Thu 1/229:19 pmSLC - STL

1 stop20h 25mFrontier

Mon 1/269:45 pmSTL - SLC

1 stop17h 51mFrontier

Deal found 12/9

$128

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 December 12, 2025.

Fri 1/99:40 pmSLC - STL

1 stop11h 22mFrontier

Deal found 12/10

$60

Wed 1/74:41 pmSLC - STL

1 stop18h 31mFrontier

Deal found 12/10

$62

Tue 1/132:18 pmSLC - STL

1 stop23h 30mFrontier

Deal found 12/11

$63

Wed 3/48:00 amSLC - STL

1 stop6h 53mFrontier

Deal found 12/11

$64

Wed 1/148:40 amSLC - STL

1 stop5h 08mFrontier

Deal found 12/11

$65

Sat 1/178:40 amSLC - STL

1 stop5h 08mFrontier

Deal found 12/11

$66

Fri 1/169:31 pmSLC - STL

1 stop16h 17mFrontier

Deal found 12/11

$68

Thu 1/229:19 pmSLC - STL

1 stop20h 25mFrontier

Deal found 12/10

$70

Sun 1/113:29 pmSLC - STL

1 stop17h 33mFrontier

Deal found 12/10

$74

Thu 1/1512:40 pmSLC - STL

1 stop23h 00mFrontier

Deal found 12/11

$75

Find flight deals from Salt Lake City to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$128 (Expedia)
One-way from	$60 (Trip.com)
Popular in	November
Cheapest in	February
Average price	$419
Good round-trip deal	$439 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. 5% potential increase in price ($26 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Search Deals

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

Thu 1/8

8:05 pm-12:12 pm

1 stop15h 07m

Lambert-St Louis

Sun 1/11

9:46 pm-8:30 am

1 stop11h 44m

$153

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 1/22

12:15 pm-9:06 pm

1 stop7h 51m

Lambert-St Louis

Mon 1/26

1:40 pm-12:14 am

1 stop11h 34m

$176

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 1/5

7:20 am-8:07 pm

2 stops11h 47m

Lambert-St Louis

Wed 1/7

7:43 pm-8:37 am

1 stop13h 54m

$251

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 2/24

8:01 pm-3:53 pm

1 stop18h 52m

Lambert-St Louis

Tue 3/10

8:06 pm-9:00 am

1 stop13h 54m

$263

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 12/24

10:25 pm-4:24 pm

1 stop16h 59m

Lambert-St Louis

Sun 1/4

10:10 pm-9:33 pm

1 stop24h 23m

$270

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 1/1

8:58 pm-10:02 am

1 stop12h 04m

Lambert-St Louis

Sun 1/4

10:10 pm-9:33 pm

1 stop24h 23m

$320

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 1/27

12:17 pm-1:54 pm

1 stop24h 37m

Lambert-St Louis

Fri 1/30

2:50 pm-11:17 am

1 stop21h 27m

$357

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 1/22

11:56 am-1:54 pm

2 stops24h 58m

Lambert-St Louis

Mon 1/26

2:50 pm-5:34 pm

1 stop27h 44m

$358

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 1/19

6:50 am-6:51 pm

1 stop11h 01m

Lambert-St Louis

Tue 1/20

5:42 pm-6:54 pm

2 stops26h 12m

$358

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 2/14

11:14 am-2:23 pm

1 stop26h 09m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 18 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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Salt Lake City-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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 November is currently the most expensive (average of $256). 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 30% 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

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,095 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,050 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,084 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 4 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 can get you from Salt Lake City to St. Louis in just under 15h 07m. Your travel time can differ by up to . The distance from Salt Lake City to St. Louis is about 1153 mi.
What are the cheapest airlines flying from Salt Lake City to St. Louis round-trip?
According to our current data, Frontier ($119), Southwest ($271), and United Airlines ($306) offers the cheapest pricing from Salt Lake City to St. Louis. Users have found that Frontier is 71% 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 $76. Users have also found prices from $104 and $144 on American Airlines and United Airlines, respectively.
What are the most reliable airlines from Salt Lake City to St. Louis?
Consider Sun Country Air (100%), KLM (83%) or Delta (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 $399. On average you can expect to pay $549. The most popular route, (Salt Lake City - Lambert-St Louis), can usually be booked for $189.
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 November is currently the most expensive (average of $256). 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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Maryland Heights

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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$271	Average$452	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$306	Average$438	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$316	Average$406	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$359	Average$440	FlexibilityNo cancel fee	On-timeN/A

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$60+ 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 1/9. 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

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 December 12, 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 December 12, 2025.

Find 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

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 December.

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?

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

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

What is the cheapest day to fly 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.

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

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

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

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

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

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

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

How can I 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?

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

Traveling to a place near St. Louis?

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Alternative routes for Salt Lake City to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

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 December 12, 2025.