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$96+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$311
(Frontier)

One-way from

$96
(Mytrip)

Popular in

December

Cheapest in

April

Average price

$359

Good round-trip deal

$299 or less

Good one-way deal

$169 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. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Frontier deal was found by Cheapflights users on 4/28. 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.
Mon 6/97:24 pmSTL - SLC
1 stop5h 39mFrontier
Tue 6/178:53 pmSLC - STL
1 stop11h 19mFrontier
Deal found 4/28$311
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/229:26 amSTL - SLC
1 stop6h 39mAmerican Airlines
Mon 7/2812:18 amSLC - STL
1 stop6h 56mAmerican Airlines
Deal found 4/29$313
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/103:03 pmSTL - SLC
1 stop9h 13mMultiple Airlines
Mon 6/1610:54 amSLC - STL
1 stop6h 24mMultiple Airlines
Deal found 4/28$316
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:25 pmSTL - SLC
1 stop6h 45mSouthwest
Tue 6/246:00 amSLC - STL
2 stops7h 05mSouthwest
Deal found 4/28$318
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/238:54 amSTL - SLC
1 stop7h 05mUnited Airlines
Sat 7/264:10 pmSLC - STL
1 stop5h 35mUnited Airlines
Deal found 4/28$346
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 amSTL - SLC
1 stop7h 41mHawaiian Airlines
Mon 9/13:29 pmSLC - STL
1 stop7h 30mHawaiian Airlines
Deal found 4/29$352
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/232:23 pmSTL - SLC
Nonstop3h 11mDelta
Thu 7/312:29 pmSLC - STL
Nonstop2h 47mDelta
Deal found 4/29$359
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:00 amSTL - SLC
1 stop9h 35mAlaska Airlines
Fri 9/123:29 pmSLC - STL
1 stop7h 30mAlaska Airlines
Deal found 4/27$378
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2910:10 amSTL - SLC
3 stops34h 09mSpirit Airlines
Wed 6/48:14 pmSLC - STL
2 stops12h 01mSpirit Airlines
Deal found 4/28$411
This United deal was found by Cheapflights users on 4/28. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/310:30 amSTL - CEZ
1 stop7h 15mMultiple Airlines
Mon 5/53:00 pmCEZ - STL
1 stop20h 45mMultiple Airlines
Deal found 4/28$1,004
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/97:00 amSTL - CNY
2 stops13h 15mMultiple Airlines
Sat 6/1410:15 amCNY - STL
2 stops12h 44mMultiple Airlines
Deal found 4/28$1,101

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 April 30, 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 6/9

7:24 pm-12:03 am

1 stop5h 39m

Salt Lake City

Tue 6/17

8:53 pm-9:12 am

1 stop11h 19m

$311

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 7/22

9:26 am-3:05 pm

1 stop6h 39m

Salt Lake City

Mon 7/28

12:18 am-8:14 am

1 stop6h 56m

$313

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 6/10

3:03 pm-11:16 pm

1 stop9h 13m

Salt Lake City

Mon 6/16

10:54 am-6:18 pm

1 stop6h 24m

$316

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 6/17

6:25 pm-12:10 am

1 stop6h 45m

Salt Lake City

Tue 6/24

6:00 am-2:05 pm

2 stops7h 05m

$318

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 7/23

8:54 am-2:59 pm

1 stop7h 05m

Salt Lake City

Sat 7/26

4:10 pm-10:45 pm

1 stop5h 35m

$346

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 8/27

6:00 am-2:35 pm

1 stop9h 35m

Salt Lake City

Mon 9/1

3:30 pm-11:59 pm

1 stop7h 29m

$352

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 7/23

7:15 pm-9:21 pm

Nonstop3h 06m

Salt Lake City

Sun 8/3

8:50 pm-12:38 am

Nonstop2h 48m

$359

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 9/5

6:00 am-2:35 pm

1 stop9h 35m

Salt Lake City

Fri 9/12

3:29 pm-11:59 pm

1 stop7h 30m

$378

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 5/29

10:10 am-7:19 pm

3 stops34h 09m

Salt Lake City

Wed 6/4

8:14 pm-9:15 am

2 stops12h 01m

$411

St. LouisMoab

STL - CNY

STLCNY

Lambert-St Louis

Mon 6/9

7:00 am-7:15 pm

2 stops13h 15m

Moab Canyonlands Field

Sat 6/14

10:15 am-11:59 pm

2 stops12h 44m

$1,101

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 results
1
2

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 April 30, 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 April 30, 2025.

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

Rainfall in Utah by month

Plan your trip to Utah by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Utah ranges from 0.6 - 2.0 inches per month. April is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Utah when rainfall is around 0.6 in.

Temperature in Utah by month

Plan your trip to Utah by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Utah, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 30, 2025.
To help decide which airline to fly from St. Louis to Utah, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $96. However, be on the lookout for offers from Spirit Airlines and American Airlines, 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?

    While some choose either Lambert-St Louis - Cortez Montezuma County or Lambert-St Louis - Cedar City, 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 ITA Airways (92%), Aeromexico (92%) or Virgin Atlantic (92%) 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 $94. On average you can expect to pay $994. The most popular route, (Lambert-St Louis - Salt Lake City), can usually be booked for $311.

  • 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.

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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$183FlexibilityNo cancel feeOn-time62%
DeltaCheapest$246Average$456FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$473FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$284Average$446FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$358Average$437FlexibilityNo cancel feeOn-time63%

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