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$59+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$126
(Kiwi.com)

One-way from

$59
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$399

Good round-trip deal

$363 or less

Good one-way deal

$192 or less
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. 3% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/157:52 pmSTL - SLC
1 stop12h 40mFrontier
Thu 10/165:45 pmSLC - STL
1 stop14h 22mFrontier
Deal found 9/9$126
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 11/57:45 pmSTL - SLC
1 stop12h 47mFrontier
Sun 11/98:10 pmSLC - STL
1 stop11h 57mFrontier
Deal found 9/10$127
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 10/37:55 pmSTL - SLC
1 stop27h 31mFrontier
Mon 10/69:45 pmSLC - STL
1 stop10h 22mFrontier
Deal found 9/10$128
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/37:55 pmSTL - SLC
1 stop27h 31mFrontier
Tue 10/712:30 pmSLC - STL
1 stop19h 37mFrontier
Deal found 9/9$131
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/62:38 pmSTL - SLC
1 stop5h 50mFrontier
Mon 10/69:45 pmSLC - STL
1 stop10h 22mFrontier
Deal found 9/10$143
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/27:55 pmSTL - SLC
1 stop12h 37mFrontier
Mon 10/69:45 pmSLC - STL
1 stop10h 22mFrontier
Deal found 9/10$144
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 9/199:35 pmSTL - SLC
1 stop16h 37mFrontier
Tue 9/301:42 pmSLC - STL
1 stop18h 24mFrontier
Deal found 9/10$149
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:55 pmSTL - SLC
1 stop5h 19mFrontier
Fri 10/39:45 pmSLC - STL
1 stop10h 21mFrontier
Deal found 9/9$154
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/227:52 pmSTL - SLC
1 stop12h 40mFrontier
Wed 11/1212:35 pmSLC - STL
1 stop19h 32mFrontier
Deal found 9/9$155
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:38 pmSTL - SLC
1 stop27h 37mFrontier
Mon 9/294:02 pmSLC - STL
1 stop16h 04mFrontier
Deal found 9/8$156
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:45 pmSTL - SLC
1 stop12h 47mFrontier
Thu 11/68:10 pmSLC - STL
1 stop11h 57mFrontier
Deal found 9/11$160
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:38 pmSTL - CNY
2 stops27h 47mMultiple Airlines
Fri 10/33:45 pmCNY - STL
1 stop16h 21mMultiple Airlines
Deal found 9/11$342

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 September 11, 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

Mon 10/6

2:38 pm-7:28 pm

1 stop5h 50m

Salt Lake City

Mon 10/6

9:45 pm-9:07 am

1 stop10h 22m

$143

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 9/29

7:55 pm-10:26 pm

1 stop27h 31m

Salt Lake City

Wed 10/1

6:05 pm-1:53 pm

1 stop18h 48m

$226

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 1/29

6:20 am-11:55 am

1 stop6h 35m

Salt Lake City

Tue 2/3

6:05 am-5:10 pm

2 stops10h 05m

$289

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 12/3

5:00 am-12:50 pm

2 stops8h 50m

Salt Lake City

Mon 12/8

8:55 am-5:15 pm

2 stops7h 20m

$319

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 2/20

5:00 am-9:45 am

1 stop5h 45m

Salt Lake City

Mon 2/23

4:45 pm-11:35 pm

1 stop5h 50m

$331

St. LouisMoab

STL - CNY

STLCNY

Lambert-St Louis

Fri 9/26

2:38 pm-5:25 pm

2 stops27h 47m

Moab Canyonlands Field

Fri 10/3

3:45 pm-9:06 am

1 stop16h 21m

$342

St. LouisMoab

STL - CNY

STLCNY

Lambert-St Louis

Fri 9/26

2:38 pm-5:25 pm

2 stops27h 47m

Moab Canyonlands Field

Sat 10/4

3:45 pm-9:06 am

1 stop16h 21m

$353

St. LouisMoab

STL - CNY

STLCNY

Lambert-St Louis

Sat 9/27

7:55 pm-5:25 pm

1 stop22h 30m

Moab Canyonlands Field

Sat 10/4

3:45 pm-9:06 am

1 stop16h 21m

$357

St. LouisMoab

STL - CNY

STLCNY

Lambert-St Louis

Thu 9/25

7:55 pm-3:05 pm

1 stop20h 10m

Moab Canyonlands Field

Sat 10/4

3:45 pm-9:06 am

1 stop16h 21m

$371

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 2/23

3:15 pm-11:37 am

1 stop21h 22m

Salt Lake City

Wed 2/25

5:00 am-4:26 pm

1 stop10h 26m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 31 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, October is the cheapest month in which you can book a flight from St. Louis to Utah (average of $277). Flying from St. Louis to Utah in March is currently the most expensive (average of $417). 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 September 11, 2025.

When flying from St. Louis to Utah, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from St. Louis to Utah

Explore weekly flight availability from St. Louis to Utah. 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 September 11, 2025.

The most flights from STL to USUT are scheduled on a Tuesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 September 11, 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
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

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
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

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
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

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
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

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
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

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 4h 43m. The distance from St. Louis to Utah is about 1232 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 - Cedar City or Lambert-St Louis - Cortez Montezuma County, 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%), Southwest (100%) or Korean Air (97%) 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 $88. On average you can expect to pay $722. The most popular route, (Lambert-St Louis - Salt Lake City), can usually be booked for $199.

  • 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, October is the cheapest month in which you can book a flight from St. Louis to Utah (average of $277). Flying from St. Louis to Utah in March is currently the most expensive (average of $417). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$219FlexibilityNo cancel feeOn-time62%
DeltaCheapest$258Average$406FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$404FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$473FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$313Average$426FlexibilityNo cancel feeOn-time63%

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