Salt Lake City

$57+ Cheap flights from St. Louis to Salt Lake City (STL - SLC)

STL — SLC
Nov 29 — Dec 61
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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”

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Cheapflights Tip: The best prices from Lambert-St Louis to Salt Lake City are usually found in April or March, booked 37 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from St. Louis to Salt Lake City

Cheapest flights from St. Louis to Salt Lake City

Wed 11/184:18 pm -
1 stop8h 59m
Tue 12/11:20 pm -
1 stop20h 46m
Deal found 10/27$102
Mon 11/167:59 pm -
1 stop20h 22m
Wed 11/1811:46 am -
1 stop21h 59m
Deal found 10/27$106
Wed 12/97:54 pm -
1 stop15h 14m
Tue 12/151:17 pm -
1 stop20h 47m
Deal found 10/29$108
Wed 11/253:04 pm -
1 stop9h 30m
Tue 12/16:34 am -
1 stop27h 32m
Deal found 10/29$122
Wed 12/27:58 pm -
1 stop15h 18m
Sun 12/61:17 pm -
1 stop20h 40m
Deal found 10/29$143
Thu 11/1911:40 am -
1 stop13h 37m
Sun 11/223:16 pm -
1 stop18h 47m
Deal found 10/27$145
Mon 12/77:54 pm -
2 stops18h 12m
Tue 12/151:17 pm -
1 stop20h 47m
Deal found 10/30$155

Find flight deals from St. Louis to Salt Lake City

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$102
(Kiwi.com)

One-way from

$57
(WAYA)

Popular in

August

Cheapest in

April

Average price

$489

Good round-trip deal

$454 or less

Good one-way deal

$262 or less
Provider with most accurate pricing for Lambert-St Louis-Salt Lake City flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Salt Lake City flights.
From Lambert-St Louis to Salt Lake City
One-way flight from Lambert-St Louis to Salt Lake City
Highest demand for flights based on searches. 5% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in October 2026
Price to beat on a round-trip flight from Lambert-St Louis to Salt Lake City.
Price to beat on a one-way flight from Lambert-St Louis to Salt Lake City.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Thu 2/4

5:59 pm-1:10 pm

1 stop20h 11m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$144

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Wed 1/20

7:02 pm-8:29 am

2 stops14h 27m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$192

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Tue 12/1

7:26 am-4:49 pm

1 stop10h 23m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$196

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Sun 12/13

6:04 am-10:45 pm

2 stops17h 41m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$218

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Sun 12/13

6:30 am-9:14 pm

2 stops15h 44m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$308

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Sat 3/6

5:59 pm-3:40 pm

2 stops22h 41m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$335

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Tue 12/1

6:30 am-7:43 pm

2 stops14h 13m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$352

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Tue 12/1

7:08 am-9:36 am

Nonstop3h 28m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$354

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Sun 12/13

7:08 am-9:36 am

Nonstop3h 28m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$354
Quickest round-trip

St. LouisSalt Lake City

STL Lambert-St Louis - SLC Salt Lake City

STLSLC

Lambert-St Louis

Wed 1/20

2:16 pm-4:40 pm

Nonstop3h 24m

Salt Lake City

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from St. Louis to Salt Lake City

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Salt Lake City in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust 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 St. Louis-Salt Lake City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Salt Lake City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Salt Lake City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Salt Lake City 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 St. Louis-Salt Lake City 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 St. Louis to Salt Lake City

Have a flexible travel schedule? Discover the best time to fly to Salt Lake City from St. Louis with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Salt Lake City

How far ahead should I book a flight from St. Louis to Salt Lake City?

The price you pay for your flight from St. Louis to Salt Lake City may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from St. Louis to Salt Lake City (average of $440). Flying from St. Louis to Salt Lake City in August is currently the most expensive (average of $519). 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 STL to SLC?

When flying from St. Louis to Salt Lake City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight in the morning.

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

Travelers seeking maximum savings on their St. Louis to Salt Lake City flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday mornings 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 St. Louis to Salt Lake City?

Airfare is below average for this route at the moment.

St. Louis to Salt Lake City flights typically cost between $419 and $639 in November.
The cheapest round-trip price found within the last 5 days was $102 on Frontier (Nov 18-Dec 1).

Reviews of airlines servicing Salt Lake City

Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to Salt Lake City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.4

Overall

7.9

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.4

Overall

7.9

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.4

Overall

7.9

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.4

Overall

7.9

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.4

Overall

7.9

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

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

    To fly from St. Louis to Salt Lake City, you need to book a flight from Lambert-St Louis (STL) to Salt Lake City (SLC). Nonstop flights to Salt Lake City from Lambert-St Louis take 3h 16m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Lambert-St Louis to Salt Lake City offered by 4 different airlines.

  • How popular is this St. Louis to Salt Lake City flight route?

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

    Airlines like Delta fly from St. Louis to Salt Lake City in about 3h 28m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 1153 mi. All flights are typically nonstop.

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

    Cheapflights users have booked flights from St. Louis to Salt Lake City round-trip from $160. Other airlines that can offer you cheap pricing are United Airlines, from $226, and Southwest, from $368. Frontier is priced at 66% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $86. Users have also found prices from $192 and $308 on Southwest and Delta, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from St. Louis to Salt Lake City on time: Korean Air (92%), Delta (88%), KLM (87%).

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

    On average you can expect to pay $423 for a flight from St. Louis to Salt Lake City. The cheapest flight overall is $135 while the most popular route, (Lambert-St Louis - Salt Lake City) is currently priced at $256.

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

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

  • How can I find direct flights from St. Louis to Salt Lake City?

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

  • Can I find deals for business class flights from St. Louis to Salt Lake City?

    Yes. Cheapflights offers flight deals from St. Louis to Salt Lake City 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 St. Louis to Salt Lake City?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Salt Lake City (average of $440). Flying from St. Louis to Salt Lake City in August is currently the most expensive (average of $519). 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
Lehi
Farmington
Midvale
West Valley City
Bountiful
Draper
Alta

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Top 4 airlines flying from St. Louis to Salt Lake City

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$277FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$226Average$456FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$368Average$470FlexibilityNo cancel feeOn-time63%
DeltaCheapest$399Average$517FlexibilityNo cancel feeOn-timeN/A

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