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$52+ Cheap flights from St. Louis (STL) to Utah

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheap flight deals from St. Louis to Utah

Keep the following information in mind while searching for St. Louis to Utah flight deals. Data was last updated octubre 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$119
(Mytrip)

One-way from

$52
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$399

Good round-trip deal

$411 or less

Good one-way deal

$236 or less
Provider with most accurate pricing for Lambert-St Louis-Salt Lake City flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Salt Lake City flights.
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From Lambert-St Louis to Utah
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One-way flight from Lambert-St Louis to Utah
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Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Utah.
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Price to beat on a one-way flight from Lambert-St Louis to Utah.
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Find flight deals from St. Louis to Utah

Cheapest flights from St. Louis to Utah
Explore the most affordable flight options available from St. Louis to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 29, 2025.

This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/127:45 pmSTL - SLC
1 stop12h 47mFrontier
lun. 11/178:10 pmSLC - STL
1 stop11h 57mFrontier
Deal found 10/26$119
This Booking.com deal was found by Cheapflights users on 10/27. 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.
mié. 11/127:45 pmSTL - SLC
1 stop12h 47mFrontier
sáb. 11/158:05 amSLC - STL
1 stop24h 02mFrontier
Deal found 10/27$121
This Frontier deal was found by Cheapflights users on 10/29. 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.
jue. 11/137:45 pmSTL - SLC
1 stop5h 16mFrontier
lun. 11/179:28 amSLC - STL
1 stop9h 44mFrontier
Deal found 10/29$130
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/147:45 pmSTL - SLC
1 stop5h 16mFrontier
lun. 11/179:28 amSLC - STL
1 stop9h 44mFrontier
Deal found 10/28$143
This Mytrip deal was found by Cheapflights users on 10/27. 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.
jue. 11/67:45 pmSTL - SLC
1 stop12h 47mFrontier
lun. 11/108:10 pmSLC - STL
1 stop11h 57mFrontier
Deal found 10/27$152
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/1412:09 pmSTL - SLC
1 stop6h 51mFrontier
mar. 11/188:25 amSLC - STL
1 stop23h 42mFrontier
Deal found 10/27$153
This Booking.com deal was found by Cheapflights users on 10/29. 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.
sáb. 11/87:45 pmSTL - SLC
1 stop12h 47mFrontier
sáb. 11/158:10 pmSLC - STL
1 stop11h 57mFrontier
Deal found 10/29$155
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:43 pmSTL - SLC
1 stop5h 24mFrontier
dom. 12/712:36 pmSLC - STL
1 stop6h 40mFrontier
Deal found 10/28$169
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/41:16 pmSTL - SLC
1 stop25h 09mFrontier
dom. 12/77:20 amSLC - STL
1 stop25h 54mFrontier
Deal found 10/28$184
This Booking.com deal was found by Cheapflights users on 10/27. 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.
vie. 11/142:42 pmSTL - SLC
1 stop21h 06mFrontier
dom. 11/168:10 pmSLC - STL
1 stop11h 57mFrontier
Deal found 10/27$188
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/13:53 pmSTL - SLC
1 stop18h 51mFrontier
mié. 12/37:20 amSLC - STL
2 stops26h 47mFrontier
Deal found 10/28$193
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/117:45 pmSTL - CNY
2 stops19h 15mMultiple Airlines
sáb. 11/153:00 pmCNY - STL
1 stop17h 07mMultiple Airlines
Deal found 10/26$383

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Utah 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 octubre 29, 2025.
Use the filters below to find and compare flights from St. Louis to Utah that are best for you.

Fly from

St. Louis

Fly to

Utah

Route

Depart

Return

Price

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

mar. 11/25

7:57 pm-9:53 am

1 stop14h 56m

Salt Lake City

mar. 12/2

6:23 pm-10:14 am

1 stop14h 51m

$213

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

jue. 11/27

7:57 pm-12:06 am

1 stop5h 09m

Salt Lake City

lun. 12/1

8:24 am-3:08 pm

1 stop5h 44m

$271

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

vie. 12/12

7:00 am-2:43 pm

1 stop8h 43m

Salt Lake City

lun. 12/15

3:37 pm-11:59 pm

1 stop7h 22m

$359

St. LouisMoab

STL - CNY

STLCNY

Lambert-St Louis

mar. 11/11

7:45 pm-2:00 pm

2 stops19h 15m

Moab Canyonlands Field

sáb. 11/15

3:00 pm-9:07 am

1 stop17h 07m

$383

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

jue. 12/4

7:00 am-8:14 pm

2 stops14h 14m

Salt Lake City

mié. 12/10

12:54 pm-2:27 pm

1 stop24h 33m

$397

St. LouisMoab

STL - CNY

STLCNY

Lambert-St Louis

mié. 11/12

7:45 pm-2:00 pm

2 stops19h 15m

Moab Canyonlands Field

dom. 11/16

10:15 am-11:24 am

1 stop24h 09m

$405

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

jue. 11/27

6:34 am-8:55 am

Nonstop3h 21m

Salt Lake City

lun. 12/1

3:10 pm-6:57 pm

Nonstop2h 47m

$419

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

mié. 12/3

6:15 am-8:40 am

Nonstop3h 25m

Salt Lake City

dom. 12/7

9:35 am-1:30 pm

Nonstop2h 55m

$419

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

vie. 12/12

8:05 pm-10:27 pm

Nonstop3h 22m

Salt Lake City

lun. 12/15

8:55 pm-12:48 am

Nonstop2h 53m

$419

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

mié. 12/31

2:18 pm-4:39 pm

Nonstop3h 21m

Salt Lake City

dom. 1/4

3:35 pm-10:16 pm

1 stop5h 41m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 24 results
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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
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 St. Louis to Utah

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Utah (average of $124). Flying from St. Louis to Utah in June is currently the most expensive (average of $263). 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?

Find hourly flight availability from St. Louis to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 29, 2025.

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 53% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Utah. Price data was last updated on November 10, 2024.

Travelers seeking maximum savings on their St. Louis to Utah flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Utah

Get insights into the airlines that provide service to Utah. 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 Utah. Reviews last updated octubre 29, 2025.
See what other customers who have flown with Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,992 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,999 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,124 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Utah. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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?

    The Lambert-St Louis to Utah flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Departing from St. Louis to Utah will take you 3h 21m. The distance from St. Louis to Utah is about 1153 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    While some choose either Lambert-St Louis - Moab Canyonlands Field or Lambert-St Louis - Vernal Regional, Lambert-St Louis - Salt Lake City is the most popular route 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 SkyWest Airlines (100%), Korean Air (90%) or KLM (85%) 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 $152. On average you can expect to pay $516. The most popular route, (Lambert-St Louis - Salt Lake City), can usually be booked for $276.

  • 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, February is the cheapest month in which you can book a flight from St. Louis to Utah (average of $124). Flying from St. Louis to Utah in June is currently the most expensive (average of $263). 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

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Alternative routes for St. Louis to Utah

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from St. Louis to Utah

Discover the top 5 airlines that operate flights from St. Louis to Utah. 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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$114Average$243FlexibilityNo cancel feeOn-time62%
DeltaCheapest$258Average$414FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$407FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$473FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$306Average$416FlexibilityNo cancel feeOn-time63%

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