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$107+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — STL
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Salt Lake City to Lambert-St Louis are usually found in August or February, booked 47 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Salt Lake City to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$208
(Frontier)

One-way from

$107
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$399

Good round-trip deal

$379 or less

Good one-way deal

$238 or less
Provider with most accurate pricing for Salt Lake City-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Salt Lake City-Lambert-St Louis flights.
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From Salt Lake City to Lambert-St Louis
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One-way flight from Salt Lake City to Lambert-St Louis
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Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Salt Lake City to Lambert-St Louis.
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Price to beat on a one-way flight from Salt Lake City to Lambert-St Louis.
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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 April 29, 2025.

This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:29 pmSLC - STL
1 stop11h 40mFrontier
Sat 5/38:15 pmSTL - SLC
1 stop5h 20mFrontier
Deal found 4/27$208
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2411:59 pmSLC - STL
1 stop7h 15mAmerican Airlines
Tue 7/14:41 pmSTL - SLC
1 stop7h 18mAmerican Airlines
Deal found 4/28$313
This Booking.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/107:44 pmSLC - STL
1 stop16h 58mMultiple Airlines
Sun 7/208:44 amSTL - SLC
1 stop7h 03mMultiple Airlines
Deal found 4/27$321
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:29 pmSLC - STL
1 stop7h 30mAlaska Airlines
Tue 9/306:00 amSTL - SLC
1 stop9h 35mAlaska Airlines
Deal found 4/27$331
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/135:05 pmSLC - STL
1 stop6h 30mSouthwest
Tue 6/176:15 pmSTL - SLC
1 stop6h 10mSouthwest
Deal found 4/28$346
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/138:50 pmSLC - STL
Nonstop2h 53mDelta
Tue 6/172:23 pmSTL - SLC
Nonstop3h 14mDelta
Deal found 4/28$359
This Mytrip deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:14 pmSLC - STL
2 stops36h 01mSpirit Airlines
Thu 5/2210:10 amSTL - SLC
2 stops34h 09mSpirit Airlines
Deal found 4/27$387
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/244:10 pmSLC - STL
1 stop5h 35mUnited Airlines
Tue 7/18:00 amSTL - SLC
2 stops10h 43mUnited Airlines
Deal found 4/28$398
This Hawaiian Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/103:30 pmSLC - STL
1 stop7h 29mHawaiian Airlines
Tue 5/136:30 amSTL - SLC
1 stop9h 06mHawaiian Airlines
Deal found 4/26$500

Cheapflights Fare Finder

Customize your flight search to find flights from Salt Lake City to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Salt Lake City to St. Louis that are best for you.

Fly from

Salt Lake City

Fly to

St. Louis

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 5/1

8:29 pm-9:09 am

1 stop11h 40m

Lambert-St Louis

Sat 5/3

8:15 pm-12:35 am

1 stop5h 20m

$208

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 6/24

11:59 pm-8:14 am

1 stop7h 15m

Lambert-St Louis

Tue 7/1

4:41 pm-10:59 pm

1 stop7h 18m

$313

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 7/10

7:44 pm-1:42 pm

1 stop16h 58m

Lambert-St Louis

Sun 7/20

8:44 am-2:47 pm

1 stop7h 03m

$321

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 6/13

5:05 pm-12:35 am

1 stop6h 30m

Lambert-St Louis

Tue 6/17

6:15 pm-11:25 pm

1 stop6h 10m

$346

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 6/13

8:50 pm-12:43 am

Nonstop2h 53m

Lambert-St Louis

Tue 6/17

2:23 pm-4:37 pm

Nonstop3h 14m

$359

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 5/8

8:14 pm-9:15 am

2 stops36h 01m

Lambert-St Louis

Thu 5/22

10:10 am-7:19 pm

2 stops34h 09m

$387

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 6/24

4:10 pm-10:45 pm

1 stop5h 35m

Lambert-St Louis

Tue 7/1

8:00 am-5:43 pm

2 stops10h 43m

$398

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 5/10

3:30 pm-11:59 pm

1 stop7h 29m

Lambert-St Louis

Tue 5/13

6:30 am-2:36 pm

1 stop9h 06m

$500

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 5/10

8:45 am-11:59 pm

2 stops14h 14m

Lambert-St Louis

Tue 5/13

6:30 am-9:45 pm

2 stops16h 15m

$583

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 5/20

6:20 am-9:59 am

1 stop26h 39m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 17 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Salt Lake City-St. Louis flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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?

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to St. Louis. Price data was last updated on April 25, 2025.

Booking 47 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, August is the cheapest month in which you can book a flight from Salt Lake City to St. Louis (average of $311). Flying from Salt Lake City to St. Louis in March is currently the most expensive (average of $356). 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?

Find hourly flight availability from Salt Lake City 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 April 29, 2025.

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 morning tend to be the most expensive. A flight at noon could potentially save you up to 5% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to St. Louis. Price data was last updated on March 30, 2025.

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.

Weekly flight availability from Salt Lake City to St. Louis

Explore weekly flight availability from Salt Lake City to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 29, 2025.

The most flights from SLC to STL are scheduled on a Friday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

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.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated April 29, 2025.
Read through reviews of airlines operating flights from Salt Lake City to St. Louis, such as Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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?

    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 43m 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.

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

    According to our current data, Frontier ($208), American Airlines ($313), and Southwest ($346) offers the cheapest pricing from Salt Lake City to St. Louis. Users have found that Frontier is 48% 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 $107. Users have also found prices from $137 and $157 on Spirit Airlines and American Airlines, respectively.

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

    Consider WestJet (100%), Virgin Atlantic (97%) or Air France (95%) 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 $238. On average you can expect to pay $419. The most popular route, (Salt Lake City - Lambert-St Louis), can usually be booked for $297.

  • 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, August is the cheapest month in which you can book a flight from Salt Lake City to St. Louis (average of $311). Flying from Salt Lake City to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington

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

Discover the top 5 airlines that operate flights from Salt Lake City to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$172FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$228Average$407FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$298Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$350Average$424FlexibilityNo cancel feeOn-time63%
DeltaCheapest$359Average$470FlexibilityNo cancel feeOn-timeN/A

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