Utah

$60+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
Jan 11 — Jan 181
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Cheap 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 December 12, 2025.

This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:10 pmSTL - SLC
1 stop24h 23mFrontier
Wed 12/2410:25 pmSLC - STL
1 stop16h 59mFrontier
Deal found 12/10$221
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:43 pmSTL - SLC
1 stop13h 29mFrontier
Wed 12/2410:25 pmSLC - STL
1 stop16h 59mFrontier
Deal found 12/10$224
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:43 pmSTL - SLC
1 stop13h 29mFrontier
Tue 12/2310:25 pmSLC - STL
1 stop16h 59mFrontier
Deal found 12/11$233
This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:43 pmSTL - SLC
1 stop13h 29mFrontier
Tue 12/2310:25 pmSLC - STL
1 stop16h 59mFrontier
Deal found 12/10$262
This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:43 pmSTL - SLC
1 stop5h 24mFrontier
Mon 12/2910:25 pmSLC - STL
1 stop22h 00mFrontier
Deal found 12/10$286
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:43 pmSTL - SLC
1 stop5h 24mFrontier
Sat 12/2712:12 pmSLC - STL
1 stop8h 13mFrontier
Deal found 12/10$292
This Booking.com deal was found by Cheapflights users on 12/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:43 pmSTL - SLC
1 stop13h 29mFrontier
Mon 12/225:20 pmSLC - STL
1 stop27h 05mFrontier
Deal found 12/9$317
This Frontier deal was found by Cheapflights users on 12/10. 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.
Mon 12/228:52 pmSTL - SLC
1 stop11h 49mFrontier
Mon 12/2912:51 pmSLC - STL
1 stop6h 16mFrontier
Deal found 12/10$333
This Frontier deal was found by Cheapflights users on 12/10. 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.
Wed 12/247:43 pmSTL - SLC
1 stop5h 24mFrontier
Fri 1/212:56 pmSLC - STL
1 stop5h 51mFrontier
Deal found 12/10$342
This Super.com deal was found by Cheapflights users on 12/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:10 pmSTL - SLC
1 stop15h 44mFrontier
Mon 1/512:51 pmSLC - STL
1 stop6h 16mFrontier
Deal found 12/10$351
This Booking.com deal was found by Cheapflights users on 12/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:43 pmSTL - SLC
1 stop5h 24mFrontier
Fri 12/1210:22 amSLC - STL
1 stop22h 52mFrontier
Deal found 12/9$352

Find 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 December 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$128
(Expedia)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$499

Good round-trip deal

$394 or less

Good one-way deal

$188 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. 9% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in December 2025
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

 
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 December 12, 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

Wed 12/24

7:43 pm-12:07 am

1 stop5h 24m

Salt Lake City

Mon 12/29

10:25 pm-9:25 pm

1 stop22h 00m

$286

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 1/6

7:00 am-11:46 pm

1 stop17h 46m

Salt Lake City

Mon 1/12

6:28 pm-1:54 pm

1 stop18h 26m

$342

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 1/8

2:50 pm-10:31 am

2 stops20h 41m

Salt Lake City

Thu 1/15

8:20 am-1:54 pm

2 stops28h 34m

$353

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 2/26

7:00 am-11:58 pm

1 stop17h 58m

Salt Lake City

Tue 3/3

9:00 am-1:51 pm

1 stop27h 51m

$355

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 1/9

2:50 pm-11:43 pm

1 stop9h 53m

Salt Lake City

Mon 1/12

6:28 pm-1:54 pm

1 stop18h 26m

$357

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sun 2/15

3:19 pm-10:02 pm

1 stop7h 43m

Salt Lake City

Wed 2/18

9:00 am-1:51 pm

1 stop27h 51m

$363

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 1/9

2:50 pm-11:43 pm

1 stop9h 53m

Salt Lake City

Tue 1/13

3:40 pm-1:54 pm

1 stop21h 14m

$363

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sat 1/31

6:19 pm-8:58 pm

1 stop27h 39m

Salt Lake City

Tue 2/3

8:20 am-1:54 pm

2 stops28h 34m

$378

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 2/23

3:55 pm-11:00 pm

2 stops8h 05m

Salt Lake City

Wed 2/25

12:35 pm-8:35 pm

1 stop7h 00m

$385

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 1/22

6:20 am-11:55 am

1 stop6h 35m

Salt Lake City

Mon 1/26

9:30 am-8:35 pm

2 stops10h 05m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 23 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 $131). Flying from St. Louis to Utah in December is currently the most expensive (average of $283). 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 December 12, 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 51% on your trip compared to booking a flight at noon.

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 December 16, 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 December 12, 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.

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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 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?

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

    Departing from St. Louis to Utah will take you 5h 24m. 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 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 $72. However, be on the lookout for offers from United Airlines and Southwest, 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 KLM (90%), Delta (85%) or Korean Air (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 $124. On average you can expect to pay $404. The most popular route, (Lambert-St Louis - Salt Lake City), can usually be booked for $193.

  • 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 $131). Flying from St. Louis to Utah in December is currently the most expensive (average of $283). 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.

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$115Average$234FlexibilityNo cancel feeOn-time62%
DeltaCheapest$258Average$405FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$402FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$554FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$306Average$413FlexibilityNo cancel feeOn-time63%

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