Utah

$57+ Cheap flights from St. Louis (STL) to Utah

STL — SLC
Nov 29 — Dec 61
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Cheap flight deals from St. Louis to Utah

Cheapest flights from St. Louis to Utah

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
Wed 12/92:15 pm -
1 stop5h 14m
Wed 12/161:11 pm -
1 stop7h 17m
Deal found 10/25$270
Wed 11/251:40 pm -
1 stop5h 37m
Mon 12/75:00 am -
1 stop6h 53m
Deal found 10/27$339
Sat 11/148:50 am -
1 stop5h 55m
Wed 11/182:20 pm -
1 stop5h 39m
Deal found 10/30$399
Mon 11/238:40 am -
1 stop25h 50m
Mon 11/302:20 pm -
1 stop5h 39m
Deal found 10/26$506
Thu 11/127:30 am -
2 stops13h 03m
Mon 11/1610:11 am -
2 stops12h 13m
Deal found 10/28$559

Find flight deals from St. Louis to Utah

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

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Utah 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. LouisSaint George

STL Lambert-St Louis - SGU Saint George

STLSGU

Lambert-St Louis

Tue 4/13

7:30 am-2:40 pm

1 stop8h 10m

Saint George

Sat 4/17

5:50 am-1:23 pm

1 stop6h 33m

$270

St. LouisSaint George

STL Lambert-St Louis - SGU Saint George

STLSGU

Lambert-St Louis

Wed 12/9

2:15 pm-6:29 pm

1 stop5h 14m

Saint George

Wed 12/16

1:11 pm-9:28 pm

1 stop7h 17m

$270

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. LouisSaint George

STL Lambert-St Louis - SGU Saint George

STLSGU

Lambert-St Louis

Wed 11/25

1:40 pm-6:17 pm

1 stop5h 37m

Saint George

Mon 12/7

5:00 am-12:53 pm

1 stop6h 53m

$339

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 25 resultsSorted by cheapest first
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Best time to book a flight from St. Louis to Utah

Have a flexible travel schedule? Discover the best time to fly to Utah 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 Utah

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

Currently, April is the cheapest month in which you can book a flight from St. Louis to Utah (average of $448). Flying from St. Louis to Utah in July is currently the most expensive (average of $512). 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 UT?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Utah in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

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

Airfare is below average for this route at the moment.
St. Louis to Utah 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).

How far ahead should I book a flight from St. Louis to Utah?

The best time to book flights from St. Louis to Utah is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Travelers seeking maximum savings on their St. Louis to Utah 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.

Reviews of airlines servicing Utah

See what other customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to Utah have to say. 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.

Overall

7.9

Crew

8.6

Entertainment

7.4

Food

7.0

Boarding

8.1

Comfort

8.0

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.

Overall

7.9

Crew

8.6

Entertainment

7.4

Food

7.0

Boarding

8.1

Comfort

8.0

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.

Overall

7.9

Crew

8.6

Entertainment

7.4

Food

7.0

Boarding

8.1

Comfort

8.0

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.

Overall

7.9

Crew

8.6

Entertainment

7.4

Food

7.0

Boarding

8.1

Comfort

8.0

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.

Overall

7.9

Crew

8.6

Entertainment

7.4

Food

7.0

Boarding

8.1

Comfort

8.0

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.

Overall

7.9

Crew

8.6

Entertainment

7.4

Food

7.0

Boarding

8.1

Comfort

8.0

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

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Utah. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How popular is this St. Louis to Utah flight route?

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

    Departing from St. Louis to Utah will take you 5h 37m. The distance from St. Louis to Utah is about 1267 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $86. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from St. Louis to Utah for a low price.

  • What are the most popular routes from St. Louis to Utah?

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

    No one likes to see their flight delayed. When booking a flight from St. Louis to Utah consider choosing Korean Air (92%), Delta (88%) or KLM (87%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from St. Louis to Utah is $135. On average you can expect to pay $423. The most popular route, (Lambert-St Louis - Salt Lake City), can usually be booked for $256.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Utah 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 Utah?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Utah (average of $448). Flying from St. Louis to Utah in July is currently the most expensive (average of $512). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Utah

Top 5 airlines flying from St. Louis to Utah

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$277FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$226Average$442FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$278Average$514FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$368Average$470FlexibilityNo cancel feeOn-time63%
DeltaCheapest$399Average$517FlexibilityNo cancel feeOn-timeN/A

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