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$82+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$270
(FlightHub)

One-way from

$82
(FlightHub)

Popular in

December

Cheapest in

April

Average price

$418

Good round-trip deal

$294 or less

Good one-way deal

$203 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 June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/257:29 pmSTL - SLC
1 stop14h 05mFrontier
Sun 6/298:43 pmSLC - STL
1 stop11h 29mFrontier
Deal found 6/9$270
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1010:47 amSTL - SLC
1 stop25h 22mSpirit Airlines
Fri 7/182:43 pmSLC - STL
1 stop17h 57mSpirit Airlines
Deal found 6/12$289
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:08 amSTL - SLC
1 stop10h 14mAmerican Airlines
Mon 8/116:55 amSLC - STL
1 stop12h 23mAmerican Airlines
Deal found 6/11$306
This Mytrip deal was found by Cheapflights users on 6/12. 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 7/1010:47 amSTL - SLC
1 stop25h 22mMultiple Airlines
Thu 7/179:52 pmSLC - STL
3 stops13h 18mMultiple Airlines
Deal found 6/12$346
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/163:24 pmSTL - SLC
1 stop8h 54mAlaska Airlines
Thu 9/113:29 pmSLC - STL
1 stop7h 30mAlaska Airlines
Deal found 6/10$353
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/301:39 pmSTL - SLC
1 stop4h 40mUnited Airlines
Sat 9/67:00 amSLC - STL
2 stops7h 44mUnited Airlines
Deal found 6/11$358
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/192:20 pmSTL - SLC
2 stops8h 10mSouthwest
Sat 7/265:15 amSLC - STL
1 stop4h 10mSouthwest
Deal found 6/11$432
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:15 pmSTL - SLC
Nonstop3h 06mDelta
Sun 7/278:50 pmSLC - STL
Nonstop2h 48mDelta
Deal found 6/10$439
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/132:23 pmSTL - CDC
1 stop4h 52mDelta
Wed 6/186:50 pmCDC - STL
1 stop4h 53mDelta
Deal found 6/11$822

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 June 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 6/25

7:29 pm-8:34 am

1 stop14h 05m

Salt Lake City

Sun 6/29

8:43 pm-9:12 am

1 stop11h 29m

$270

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 7/10

10:47 am-11:09 am

1 stop25h 22m

Salt Lake City

Fri 7/18

2:43 pm-9:40 am

1 stop17h 57m

$289

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 8/4

10:08 am-7:22 pm

1 stop10h 14m

Salt Lake City

Mon 8/11

6:55 am-8:18 pm

1 stop12h 23m

$306

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 7/10

10:47 am-11:09 am

1 stop25h 22m

Salt Lake City

Thu 7/17

9:52 pm-12:10 pm

3 stops13h 18m

$346

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sat 8/16

3:24 pm-11:18 pm

1 stop8h 54m

Salt Lake City

Thu 9/11

3:29 pm-11:59 pm

1 stop7h 30m

$353

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sat 8/30

1:39 pm-5:19 pm

1 stop4h 40m

Salt Lake City

Sat 9/6

7:00 am-3:44 pm

2 stops7h 44m

$358

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sat 7/19

2:20 pm-9:30 pm

2 stops8h 10m

Salt Lake City

Sat 7/26

5:15 am-10:25 am

1 stop4h 10m

$432

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 7/24

7:15 pm-9:21 pm

Nonstop3h 06m

Salt Lake City

Sun 7/27

8:50 pm-12:38 am

Nonstop2h 48m

$439

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Sun 10/5

7:52 pm-7:32 am

1 stop12h 40m

$82

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 9/12

8:44 am-2:10 pm

2 stops30h 26m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 19 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 June 12, 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 June 12, 2025.

The most flights from STL to USUT are scheduled on a Monday (5 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 June 12, 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
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

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 $82. However, be on the lookout for offers from Spirit Airlines and Alaska 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 - 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 Air France (100%), Virgin Atlantic (100%) or Delta (88%) 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 $142. On average you can expect to pay $907. The most popular route, (Lambert-St Louis - Salt Lake City), can usually be booked for $252.

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$107Average$196FlexibilityNo cancel feeOn-time62%
DeltaCheapest$246Average$452FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$468FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$284Average$426FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$358Average$437FlexibilityNo cancel feeOn-time63%

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