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$63+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
mar. 13 — mar. 201
jue. 3/13
jue. 3/20
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 marzo 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Delta)

One-way from

$63
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$439

Good round-trip deal

$355 or less

Good one-way deal

$158 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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High demand for flights, 0% potential price rise
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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 March 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 marzo 8, 2025.

This Delta deal was found by Cheapflights users on 3/7. 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.
vie. 6/202:15 pmSTL - SLC
Nonstop3h 09mDelta
dom. 6/298:45 pmSLC - STL
Nonstop2h 53mDelta
Deal found 3/7$359
This Frontier deal was found by Cheapflights users on 3/6. 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. 3/127:03 pmSTL - SLC
1 stop6h 37mFrontier
dom. 3/238:47 pmSLC - STL
1 stop11h 29mFrontier
Deal found 3/6$360
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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.
mar. 4/86:44 amSTL - SLC
2 stops15h 09mAlaska Airlines
jue. 4/1012:40 pmSLC - STL
1 stop10h 19mAlaska Airlines
Deal found 3/7$361
This American Airlines deal was found by Cheapflights users on 3/6. 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.
sáb. 3/226:15 amSTL - SLC
1 stop6h 41mAmerican Airlines
mié. 3/2612:41 pmSLC - STL
1 stop9h 28mAmerican Airlines
Deal found 3/6$364
This Southwest deal was found by Cheapflights users on 3/6. 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.
jue. 6/128:35 pmSTL - SLC
1 stop5h 05mSouthwest
mar. 6/174:50 pmSLC - STL
1 stop5h 45mSouthwest
Deal found 3/6$374
This United Airlines deal was found by Cheapflights users on 3/6. 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.
vie. 4/118:48 amSTL - SLC
1 stop5h 30mUnited Airlines
dom. 4/137:05 amSLC - STL
2 stops7h 42mUnited Airlines
Deal found 3/6$384
This Mytrip deal was found by Cheapflights users on 3/6. 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. 5/11:00 pmSTL - SLC
3 stops25h 29mMultiple Airlines
dom. 5/42:36 pmSLC - STL
3 stops28h 34mMultiple Airlines
Deal found 3/6$402
This Delta deal was found by Cheapflights users on 3/7. 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.
sáb. 3/227:10 amSTL - CDC
2 stops12h 12mDelta
mié. 3/269:20 amCDC - STL
2 stops11h 20mDelta
Deal found 3/7$1,168

Find flights from St. Louis to Utah within your budget

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 marzo 8, 2025.

Fly from

St. Louis

Fly to

Utah

Route

Depart

Return

Price

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

vie. 6/20

2:15 pm-4:24 pm

Nonstop3h 09m

Salt Lake City

dom. 6/29

8:45 pm-12:38 am

Nonstop2h 53m

$359

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

mar. 4/8

6:44 am-8:53 pm

2 stops15h 09m

Salt Lake City

jue. 4/10

12:40 pm-11:59 pm

1 stop10h 19m

$361

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

sáb. 3/22

6:15 am-11:56 am

1 stop6h 41m

Salt Lake City

mié. 3/26

12:41 pm-11:09 pm

1 stop9h 28m

$364

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

jue. 6/12

8:35 pm-12:40 am

1 stop5h 05m

Salt Lake City

mar. 6/17

4:50 pm-11:35 pm

1 stop5h 45m

$374

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

lun. 3/17

6:55 pm-8:30 am

1 stop14h 35m

Salt Lake City

vie. 3/21

11:05 am-9:16 am

1 stop21h 11m

$380

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

vie. 4/11

8:48 am-1:18 pm

1 stop5h 30m

Salt Lake City

dom. 4/13

7:05 am-3:47 pm

2 stops7h 42m

$384

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

jue. 5/1

1:00 pm-1:29 pm

3 stops25h 29m

Salt Lake City

dom. 5/4

2:36 pm-8:10 pm

3 stops28h 34m

$402

St. LouisCedar City

STL - CDC

STLCDC

Lambert-St Louis

sáb. 3/22

7:10 am-6:22 pm

2 stops12h 12m

Cedar City

mié. 3/26

9:20 am-9:40 pm

2 stops11h 20m

$1,168

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

sáb. 5/3

6:53 pm-12:34 am

1 stop6h 41m

$63

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

jue. 5/8

7:37 pm-2:10 pm

2 stops19h 33m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 18 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.

Travel insights for flights from St. Louis to Utah

Get recent, data-driven insights about flights from St. Louis to Utah including ideal travel times, pricing trends, and more.

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 marzo 8, 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.

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 marzo 8, 2025.
To help decide which airline to fly from St. Louis to Utah, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,314 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,314 reviews
Southwest
8.1
Very good
4,314 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,714 reviews
Southwest
8.1
Very good
4,314 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,024 reviews
Southwest
8.1
Very good
4,314 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines
7.9
Good
2,318 reviews
Southwest
8.1
Very good
4,314 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,649 reviews
Southwest
8.1
Very good
4,314 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $63. 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 - 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 Air France (90%), Delta (89%) or Virgin Atlantic (83%) 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 $99. On average you can expect to pay $795. The most popular route, (Lambert-St Louis - Salt Lake City), can usually be booked for $284.

  • 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 marzo 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$173FlexibilityNo cancel feeOn-time62%
DeltaCheapest$246Average$462FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$481FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$325Average$479FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$375Average$452FlexibilityNo cancel feeOn-time63%
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