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$125+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — STL
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Salt Lake City to Lambert-St Louis are usually found in May or August, booked 47 days in advance, depart on a Wednesday or Thursday 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Frontier)

One-way from

$125
(Mytrip)

Popular in

March

Cheapest in

May

Average price

$509

Good round-trip deal

$359 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. 3% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This Frontier deal was found by Cheapflights users on 3/24. 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.
Fri 5/28:29 pmSLC - STL
1 stop11h 40mFrontier
Fri 5/96:53 pmSTL - SLC
1 stop6h 41mFrontier
Deal found 3/24$258
This Expedia deal was found by Cheapflights users on 3/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2312:57 pmSLC - STL
1 stop10h 02mMultiple Airlines
Sat 4/266:58 pmSTL - SLC
1 stop6h 37mMultiple Airlines
Deal found 3/24$323
This Mytrip deal was found by Cheapflights users on 3/22. 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.
Mon 4/142:36 pmSLC - STL
2 stops25h 39mSpirit Airlines
Thu 5/16:10 pmSTL - SLC
2 stops20h 19mSpirit Airlines
Deal found 3/22$344
This Southwest deal was found by Cheapflights users on 3/24. 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 5/306:25 pmSLC - STL
1 stop4h 40mSouthwest
Wed 6/45:20 amSTL - SLC
2 stops7h 50mSouthwest
Deal found 3/24$350
This Delta deal was found by Cheapflights users on 3/24. 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 5/29:40 amSLC - STL
Nonstop2h 48mDelta
Tue 5/137:30 amSTL - SLC
Nonstop3h 09mDelta
Deal found 3/24$359
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Fri 5/23:29 pmSLC - STL
1 stop7h 21mAmerican Airlines
Tue 5/67:00 amSTL - SLC
1 stop7h 08mAmerican Airlines
Deal found 3/23$365
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 4/231:10 pmSLC - STL
1 stop6h 46mUnited Airlines
Sat 4/263:40 pmSTL - SLC
2 stops7h 35mUnited Airlines
Deal found 3/24$370
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
Fri 5/21:55 pmSLC - STL
2 stops23h 13mAlaska Airlines
Tue 5/66:30 amSTL - SLC
1 stop9h 06mAlaska Airlines
Deal found 3/23$390

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 March 25, 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

Fri 5/2

8:29 pm-9:09 am

1 stop11h 40m

Lambert-St Louis

Sat 5/10

6:53 pm-12:34 am

1 stop6h 41m

$258

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 4/23

12:57 pm-11:59 pm

1 stop10h 02m

Lambert-St Louis

Sat 4/26

6:58 pm-12:35 am

1 stop6h 37m

$323

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 4/14

2:36 pm-5:15 pm

2 stops25h 39m

Lambert-St Louis

Thu 5/1

6:10 pm-1:29 pm

2 stops20h 19m

$344

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 5/30

6:25 pm-12:05 am

1 stop4h 40m

Lambert-St Louis

Wed 6/4

5:20 am-12:10 pm

2 stops7h 50m

$350

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 5/2

9:40 am-1:28 pm

Nonstop2h 48m

Lambert-St Louis

Tue 5/13

7:30 am-9:39 am

Nonstop3h 09m

$359

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 5/2

3:29 pm-11:50 pm

1 stop7h 21m

Lambert-St Louis

Tue 5/6

7:00 am-1:08 pm

1 stop7h 08m

$365

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 4/23

1:10 pm-8:56 pm

1 stop6h 46m

Lambert-St Louis

Sat 4/26

3:40 pm-10:15 pm

2 stops7h 35m

$370

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 5/2

1:55 pm-2:08 pm

2 stops23h 13m

Lambert-St Louis

Tue 5/6

6:30 am-2:36 pm

1 stop9h 06m

$390

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 5/8

8:14 pm-9:15 am

2 stops36h 01m

$125

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 5/12

12:33 pm-9:05 pm

1 stop7h 32m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 17 results
1
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars

*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

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 March 21, 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 March 25, 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 6% 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 23, 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 March 25, 2025.

The most flights from SLC to STL are scheduled on a Sunday (6 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 March 25, 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
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 4 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 ($258), Spirit Airlines ($344), and Southwest ($350) offers the cheapest pricing from Salt Lake City to St. Louis. Users have found that Frontier is 35% 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 Spirit Airlines. According to our data, you can fly for as low as $125. Users have also found prices from $129 and $170 on Frontier and American Airlines, respectively.

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

    Consider Air France (100%), ITA Airways (100%) or WestJet (100%) 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 $179. On average you can expect to pay $353. The most popular route, (Salt Lake City - Lambert-St Louis), can usually be booked for $318.

  • 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
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$103Average$168FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$228Average$407FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$298Average$429FlexibilityNo cancel feeOn-time69%
DeltaCheapest$359Average$478FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$364Average$438FlexibilityNo cancel feeOn-time63%
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