How long is the flight from Utah to St. Louis?

Airlines like Frontier and Southwest fly from Utah to St. Louis in about 9h 44m. The time it takes to get you to your destination can typically vary by up to 06m. There are 1153 mi between Utah and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines to fly from Utah to St. Louis one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $129. However, be on the lookout for offers from Alaska Airlines and Southwest, as they are both options that can get you from Utah to St. Louis for a low price.

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 Utah to St. Louis?

While on average a flight from Utah to St. Louis is generally $569, our data shows the cheapest flight currently is $358. When looking at the most popular route, (Salt Lake City - Lambert-St Louis), you can expect to pay $259 for that flight.

What are the most reliable airlines from Utah to St. Louis?

The top 3 most reliable airlines when flying from Utah to St. Louis are SkyWest Airlines (100%), Delta (85%) and KLM (77%).

What airport do you fly into for flights to St. Louis from Utah?

For a flight from Utah to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

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

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

How can I find direct flights from Utah to St. Louis?

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

Can I find deals for business class flights from Utah to St. Louis?

Yes. Cheapflights offers flight deals from Utah 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.

$52+ Flights from Utah to St. Louis

Q: How much does it cost to fly round-trip from Utah to St. Louis?

Airfare is below average for this route at the moment. Utah to St. Louis flights typically cost between $399 and $594 in December. The cheapest round-trip price found within the last 3 days was $119 on Frontier (Dec 4-Dec 8).

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Find flight deals from Utah to St. Louis

Cheapest flights from Utah to St. Louis
Explore the most affordable flight options available from Utah to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

Thu 12/410:05 amSLC - STL

1 stop23h 09mFrontier

Mon 12/87:43 pmSTL - SLC

1 stop16h 54mFrontier

Deal found 10/28

$119

Mon 11/178:10 pmSLC - STL

1 stop11h 57mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop14h 09mFrontier

Deal found 10/27

$138

Fri 11/149:28 amSLC - STL

1 stop9h 44mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop5h 24mFrontier

Deal found 10/27

$143

Fri 11/710:20 pmSLC - STL

1 stop16h 36mFrontier

Mon 11/107:45 pmSTL - SLC

1 stop16h 55mFrontier

Deal found 10/27

$152

Mon 11/104:50 pmSLC - STL

1 stop15h 17mFrontier

Thu 11/137:45 pmSTL - SLC

1 stop5h 16mFrontier

Deal found 10/28

$153

Fri 12/54:56 pmSLC - STL

1 stop16h 18mFrontier

Mon 12/87:43 pmSTL - SLC

1 stop16h 54mFrontier

Deal found 10/26

$157

Mon 12/810:22 amSLC - STL

2 stops35h 11mFrontier

Sat 12/137:43 pmSTL - SLC

1 stop14h 44mFrontier

Deal found 10/27

$161

Sat 11/158:10 pmSLC - STL

1 stop11h 57mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop14h 09mFrontier

Deal found 10/27

$173

Best flights from Utah to St. Louis
Discover carefully curated flight deals from Utah to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

Fri 11/149:28 amSLC - STL

1 stop9h 44mFrontier

Mon 11/177:45 pmSTL - SLC

1 stop5h 21mFrontier

Deal found 10/28

$143

Wed 11/121:10 pmSLC - STL

1 stop18h 57mFrontier

Mon 11/177:45 pmSTL - SLC

1 stop16h 55mFrontier

Deal found 10/28

$200

Wed 12/36:30 amSLC - STL

2 stops9h 50mSouthwest

Mon 12/81:50 pmSTL - SLC

2 stops9h 10mSouthwest

Deal found 10/26

$409

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

Wed 11/268:55 pmSLC - STL

Nonstop2h 51mDelta

Fri 11/286:34 amSTL - SLC

Nonstop3h 21mDelta

Deal found 10/27

$419

Sun 12/147:20 amSLC - STL

1 stop25h 54mFrontier

Thu 12/185:19 pmSTL - SLC

1 stop20h 35mFrontier

Deal found 10/29

$269

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

Fri 11/78:10 pmSLC - STL

1 stop11h 57mFrontier

Sun 11/911:23 amSTL - SLC

2 stops21h 09mFrontier

Deal found 10/28

$390

Thu 12/48:55 pmSLC - STL

Nonstop2h 53mDelta

Sun 12/76:15 amSTL - SLC

Nonstop3h 25mDelta

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

Wed 12/39:35 amSLC - STL

Nonstop2h 55mDelta

Mon 12/86:30 amSTL - SLC

Nonstop3h 23mDelta

Deal found 10/26

$419

Last-minute flights from Utah to St. Louis
Discover last-minute flight deals from Utah to St. Louis. Data last updated October 29, 2025 and is based on user searches.

Fri 11/710:20 pmSLC - STL

1 stop16h 36mFrontier

Mon 11/107:45 pmSTL - SLC

1 stop16h 55mFrontier

Deal found 10/27

$152

Mon 11/104:50 pmSLC - STL

1 stop15h 17mFrontier

Thu 11/137:45 pmSTL - SLC

1 stop5h 16mFrontier

Deal found 10/28

$153

Mon 11/108:10 pmSLC - STL

1 stop11h 57mFrontier

Tue 11/187:45 pmSTL - SLC

1 stop16h 55mFrontier

Deal found 10/28

$181

Tue 11/111:10 pmSLC - STL

1 stop18h 57mFrontier

Mon 11/177:45 pmSTL - SLC

1 stop16h 55mFrontier

Deal found 10/28

$179

Wed 11/121:10 pmSLC - STL

2 stops27h 17mFrontier

Tue 11/187:45 pmSTL - SLC

1 stop16h 55mFrontier

Deal found 10/28

$176

Fri 11/149:28 amSLC - STL

1 stop9h 44mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop5h 24mFrontier

Deal found 10/27

$143

Sat 11/158:10 pmSLC - STL

1 stop11h 57mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop14h 09mFrontier

Deal found 10/27

$173

Sun 11/168:55 pmSLC - STL

2 stops22h 17mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop14h 09mFrontier

Deal found 10/27

$175

Mon 11/178:10 pmSLC - STL

1 stop11h 57mFrontier

Wed 12/37:43 pmSTL - SLC

1 stop14h 09mFrontier

Deal found 10/27

$138

One-way flights from Utah to St. Louis
Search for one-way flight options from Utah to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 29, 2025.

Thu 1/87:20 amSLC - STL

1 stop25h 42mFrontier

Deal found 10/28

$52

Tue 12/96:23 pmSLC - STL

1 stop14h 51mFrontier

Deal found 10/28

$56

Tue 12/167:20 amSLC - STL

1 stop25h 54mFrontier

Deal found 10/28

$57

Sun 1/1110:21 pmSLC - STL

1 stop10h 41mFrontier

Deal found 10/26

$62

Thu 12/47:20 amSLC - STL

1 stop25h 54mFrontier

Deal found 10/26

$65

Fri 12/54:56 pmSLC - STL

1 stop16h 18mFrontier

Deal found 10/27

$67

Sun 1/43:09 pmSLC - STL

1 stop27h 58mFrontier

Deal found 10/27

$68

Tue 12/2310:25 pmSLC - STL

2 stops34h 15mFrontier

Deal found 10/28

$69

Wed 12/245:20 pmSLC - STL

2 stops15h 20mFrontier

Deal found 10/27

$70

Wed 1/72:01 pmSLC - STL

1 stop25h 48mFrontier

Deal found 10/28

$74

Tue 12/27:20 amSLC - STL

1 stop25h 54mFrontier

Deal found 10/27

$75

Cheap flight deals from Utah to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$119 (Mytrip)
One-way from	$52 (Trip.com)
Popular in	December
Cheapest in	February
Average price	$429
Good round-trip deal	$419 or less
Good one-way deal	$378 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 Utah to Lambert-St Louis

Search Deals

One-way flight from Utah 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 Utah to Lambert-St Louis.

Search Deals

Price to beat on a one-way flight from Utah to Lambert-St Louis.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 11/14

9:28 am-8:12 pm

1 stop9h 44m

Lambert-St Louis

Mon 11/17

7:45 pm-12:06 am

1 stop5h 21m

$143

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 11/12

1:10 pm-9:07 am

1 stop18h 57m

Lambert-St Louis

Mon 11/17

7:45 pm-11:40 am

1 stop16h 55m

$200

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sun 12/14

7:20 am-10:14 am

1 stop25h 54m

Lambert-St Louis

Thu 12/18

5:19 pm-12:54 pm

1 stop20h 35m

$269

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 11/7

8:10 pm-9:07 am

1 stop11h 57m

Lambert-St Louis

Sun 11/9

11:23 am-7:32 am

2 stops21h 09m

$390

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

Wed 11/26

8:55 pm-12:46 am

Nonstop2h 51m

Lambert-St Louis

Fri 11/28

6:34 am-8:55 am

Nonstop3h 21m

$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

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 12/4

8:55 pm-12:48 am

Nonstop2h 53m

Lambert-St Louis

Sun 12/7

6:15 am-8:40 am

Nonstop3h 25m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 22 results

Best time to book a flight from Utah to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Utah 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 Utah to St. Louis

What is the cheapest month to book a flight from Utah to St. Louis?

Currently, February is the cheapest month in which you can book a flight from Utah to St. Louis (average of $109). Flying from Utah 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 UT to STL?

It’s typically best to fly out from Utah to St. Louis in the evening. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Utah to St. Louis?

Travelers seeking maximum savings on their Utah to St. Louis flight should consider departing on Friday evenings 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.

How much does it cost to fly round-trip from Utah to St. Louis?

Related info for your journey

What airport do you fly into for flights to St. Louis from Utah?
For a flight from Utah to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.
How long is the flight from Utah to St. Louis?
Airlines like Frontier and Southwest fly from Utah to St. Louis in about 9h 44m. The time it takes to get you to your destination can typically vary by up to 06m. There are 1153 mi between Utah and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from Utah to St. Louis one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $129. However, be on the lookout for offers from Alaska Airlines and Southwest, as they are both options that can get you from Utah to St. Louis for a low price.
What are the most reliable airlines from Utah to St. Louis?
The top 3 most reliable airlines when flying from Utah to St. Louis are SkyWest Airlines (100%), Delta (85%) and KLM (77%).
What are the cheapest flights from Utah to St. Louis?
While on average a flight from Utah to St. Louis is generally $569, our data shows the cheapest flight currently is $358. When looking at the most popular route, (Salt Lake City - Lambert-St Louis), you can expect to pay $259 for that flight.
Can I find deals for flights from Utah to St. Louis that include hotel bookings?
Yes. In addition to deals on Utah to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Utah to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Utah to St. Louis.
Can I find deals for business class flights from Utah to St. Louis?
Yes. Cheapflights offers flight deals from Utah 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 Utah to St. Louis?
Currently, February is the cheapest month in which you can book a flight from Utah to St. Louis (average of $109). Flying from Utah 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

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

St. Peters

Chesterfield

Alton

Farmington

Festus

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Top 5 airlines flying from Utah to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$125	Average$232	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$258	Average$414	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$296	Average$459	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$306	Average$434	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$359	Average$447	FlexibilityNo cancel fee	On-timeN/A

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$52+ Cheap flights from Utah to St. Louis (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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Utah to St. Louis

Cheapest flights from Utah to St. LouisExplore the most affordable flight options available from Utah to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

Explore the most affordable flight options available from Utah to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

Cheap flight deals from Utah to St. Louis

Keep the following information in mind while searching for Utah to St. Louis flight deals. Data was last updated October 29, 2025.

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

Cheapflights Fare Finder

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

Best time to book a flight from Utah to St. Louis

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

Cheapflights Insights

Everything you need to know about your flight from Utah to St. Louis

What is the cheapest month to book a flight from Utah to St. Louis?

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

Find hourly flight availability from Utah to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

What is the cheapest day to fly from Utah to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Utah to St. Louis. Price data was last updated on December 16, 2024.

How much does it cost to fly round-trip from Utah to St. Louis?

Related info for your journey

Find useful and relevant information for your journey from Utah 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 airport do you fly into for flights to St. Louis from Utah?

How long is the flight from Utah to St. Louis?

What are the cheapest airlines to fly from Utah to St. Louis one-way?

What are the most reliable airlines from Utah to St. Louis?

What are the cheapest flights from Utah to St. Louis?

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

How can I find direct flights from Utah to St. Louis?

Can I find deals for business class flights from Utah to St. Louis?

What is the cheapest month to book a flight from Utah to St. Louis?

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Top 5 airlines flying from Utah to St. Louis

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Cheapest flights from Utah to St. Louis
Explore the most affordable flight options available from Utah to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.