St. Louis

$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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — STL
Mar 13 — Mar 201
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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 June or April, booked 69 days in advance, depart on a Friday or Sunday and return on a Wednesday

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 February 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:00 am
SLC
-
STL
1 stop10h 12m
Frontier
Mon 5/118:12 pm
STL
-
SLC
1 stop16h 02m
Frontier
Deal found 2/10$134
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:49 am
SLC
-
STL
1 stop6h 23m
Frontier
Mon 4/278:12 pm
STL
-
SLC
1 stop16h 02m
Frontier
Deal found 2/10$150
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
SLC
-
STL
1 stop6h 53m
Frontier
Sat 3/78:12 pm
STL
-
SLC
1 stop11h 43m
Frontier
Deal found 2/9$155
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/129:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Wed 3/188:12 pm
STL
-
SLC
1 stop12h 43m
Frontier
Deal found 2/9$171
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Wed 3/188:12 pm
STL
-
SLC
1 stop12h 43m
Frontier
Deal found 2/8$174
This Frontier deal was found by Cheapflights users on 2/10. 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 4/2412:49 pm
SLC
-
STL
1 stop7h 11m
Frontier
Sun 4/269:55 pm
STL
-
SLC
1 stop11h 57m
Frontier
Deal found 2/10$182
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Wed 3/1111:32 am
STL
-
SLC
2 stops21h 23m
Frontier
Deal found 2/9$184
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Sun 3/86:19 pm
STL
-
SLC
1 stop15h 56m
Frontier
Deal found 2/8$189
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:59 pm
SLC
-
STL
1 stop14h 10m
Frontier
Mon 3/21:54 pm
STL
-
SLC
1 stop11h 20m
Frontier
Deal found 2/11$191
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:14 pm
SLC
-
STL
1 stop11h 35m
Frontier
Sun 3/228:06 pm
STL
-
SLC
1 stop14h 09m
Frontier
Deal found 2/9$193

Find 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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$134
(Kiwi.com)

One-way from

$60
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$419

Good round-trip deal

$399 or less

Good one-way deal

$308 or less
Provider with most accurate pricing for Salt Lake City-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Salt Lake City-Lambert-St Louis flights.
From Salt Lake City to Lambert-St Louis
One-way flight from Salt Lake City to Lambert-St Louis
Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Salt Lake City to Lambert-St Louis.
Price to beat on a one-way flight from Salt Lake City to Lambert-St Louis.

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 February 11, 2026.
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

Sat 5/9

8:00 am-7:12 pm

1 stop10h 12m

Lambert-St Louis

Mon 5/11

8:12 pm-6:07 pm

2 stops22h 55m

$167

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 3/9

10:40 pm-9:49 am

2 stops34h 09m

Lambert-St Louis

Wed 3/11

8:12 pm-7:55 am

1 stop12h 43m

$171

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 4/24

12:49 pm-9:00 pm

1 stop7h 11m

Lambert-St Louis

Sun 4/26

9:55 pm-8:52 am

1 stop11h 57m

$182

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 4/23

11:49 am-7:12 pm

1 stop6h 23m

Lambert-St Louis

Mon 4/27

8:12 pm-6:07 pm

2 stops22h 55m

$184

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 3/12

10:07 am-10:02 pm

1 stop10h 55m

Lambert-St Louis

Thu 3/19

10:47 pm-9:12 am

1 stop11h 25m

$218

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 3/14

4:07 pm-10:02 pm

1 stop28h 55m

Lambert-St Louis

Wed 3/18

8:12 pm-7:55 am

1 stop12h 43m

$221

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 3/19

9:14 pm-9:49 am

1 stop11h 35m

Lambert-St Louis

Mon 3/23

8:12 pm-7:55 am

1 stop12h 43m

$245

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 2/28

7:20 am-1:56 pm

1 stop5h 36m

Lambert-St Louis

Wed 3/4

5:18 pm-8:44 am

1 stop16h 26m

$255

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 3/13

9:14 pm-9:49 am

1 stop11h 35m

Lambert-St Louis

Thu 3/19

8:06 pm-7:55 am

2 stops12h 49m

$307

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 2/25

8:00 am-3:53 pm

1 stop6h 53m

Lambert-St Louis

Thu 2/26

10:11 pm-9:40 pm

2 stops24h 29m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 20 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 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 February 6, 2026.

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 January is currently the most expensive (average of $309). 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 February 11, 2026.

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 33% 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 February 7, 2026.

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. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 11, 2026.
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.

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

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 46m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight 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 10h 12m. 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 ($116), United Airlines ($220), and Southwest ($271) offers the cheapest pricing from Salt Lake City to St. Louis. Users have found that Frontier is 72% 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 $71. Users have also found prices from $128 and $156 on United Airlines and Southwest, respectively.

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

    Consider Delta (88%), KLM (87%) or Korean Air (76%) 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 $298. On average you can expect to pay $379. The most popular route, (Salt Lake City - Lambert-St Louis), can usually be booked for $244.

  • 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 January is currently the most expensive (average of $309). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$116Average$230FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$220Average$438FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$271Average$445FlexibilityNo cancel feeOn-time63%
DeltaCheapest$307Average$439FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$316Average$410FlexibilityNo cancel feeOn-time71%

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