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$71+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 julio 29, 2025.

Round-trip from

$205
(FlightHub)

One-way from

$71
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$439

Good round-trip deal

$327 or less

Good one-way deal

$208 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. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 29, 2025.

This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/97:55 pmSTL - SLC
1 stop27h 31mFrontier
sáb. 9/138:45 amSLC - STL
1 stop23h 21mFrontier
Deal found 7/27$205
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/712:05 pmSTL - SLC
3 stops27h 24mSpirit Airlines
sáb. 9/133:34 pmSLC - STL
2 stops18h 16mSpirit Airlines
Deal found 7/27$279
This Southwest deal was found by Cheapflights users on 7/28. 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.
mar. 12/95:00 amSTL - SLC
1 stop6h 40mSouthwest
mar. 12/161:10 pmSLC - STL
1 stop6h 50mSouthwest
Deal found 7/28$297
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:00 amSTL - SLC
2 stops15h 30mAlaska Airlines
mar. 10/73:43 pmSLC - STL
1 stop7h 20mAlaska Airlines
Deal found 7/28$351
This Mytrip deal was found by Cheapflights users on 7/28. 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.
lun. 9/89:20 amSTL - SLC
3 stops30h 09mMultiple Airlines
mié. 9/103:34 pmSLC - STL
2 stops18h 16mMultiple Airlines
Deal found 7/28$354
This Delta deal was found by Cheapflights users on 7/29. 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.
jue. 8/286:45 pmSTL - SLC
Nonstop3h 09mDelta
lun. 9/18:50 pmSLC - STL
Nonstop2h 48mDelta
Deal found 7/29$399
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/232:29 pmSTL - CDC
1 stop4h 46mDelta
dom. 10/266:50 pmCDC - STL
1 stop4h 34mDelta
Deal found 7/27$452
This Orbitz deal was found by Cheapflights users on 7/28. 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.
jue. 9/186:00 amSTL - CNY
2 stops12h 25mMultiple Airlines
dom. 9/2110:15 amCNY - STL
2 stops12h 44mMultiple Airlines
Deal found 7/28$1,015

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 julio 29, 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

mar. 9/9

7:55 pm-10:26 pm

1 stop27h 31m

Salt Lake City

sáb. 9/13

8:45 am-9:06 am

1 stop23h 21m

$205

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

dom. 9/7

12:05 pm-2:29 pm

3 stops27h 24m

Salt Lake City

sáb. 9/13

3:34 pm-10:50 am

2 stops18h 16m

$279

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

sáb. 8/30

2:05 pm-9:20 pm

2 stops8h 15m

Salt Lake City

mar. 9/2

3:35 pm-10:35 pm

1 stop6h 00m

$302

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

mar. 9/30

6:00 am-8:30 pm

2 stops15h 30m

Salt Lake City

mar. 10/7

3:43 pm-12:03 am

1 stop7h 20m

$351

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

lun. 9/8

9:20 am-2:29 pm

3 stops30h 09m

Salt Lake City

mié. 9/10

3:34 pm-10:50 am

2 stops18h 16m

$354

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

jue. 8/28

6:45 pm-8:54 pm

Nonstop3h 09m

Salt Lake City

lun. 9/1

8:50 pm-12:38 am

Nonstop2h 48m

$399

St. LouisCedar City

STL - CDC

STLCDC

Lambert-St Louis

jue. 10/23

2:29 pm-6:15 pm

1 stop4h 46m

Cedar City

dom. 10/26

6:50 pm-12:24 am

1 stop4h 34m

$452

St. LouisMoab

STL - CNY

STLCNY

Lambert-St Louis

jue. 9/18

6:00 am-5:25 pm

2 stops12h 25m

Moab Canyonlands Field

dom. 9/21

10:15 am-11:59 pm

2 stops12h 44m

$1,015

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

mar. 10/7

7:52 pm-10:19 pm

1 stop27h 27m

$71

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

dom. 9/21

12:05 pm-2:29 pm

3 stops27h 24m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 16 results
1
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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 julio 29, 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 julio 29, 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 (1 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 julio 29, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Spirit Airlines
6.3
Okay
8,040 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 $71. However, be on the lookout for offers from Spirit 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?

    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 Southwest (100%), Korean Air (91%) or Delta (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 $153. On average you can expect to pay $727. The most popular route, (Lambert-St Louis - Salt Lake City), can usually be booked for $224.

  • 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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$114Average$213FlexibilityNo cancel feeOn-time62%
DeltaCheapest$258Average$422FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$423FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$486FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$313Average$431FlexibilityNo cancel feeOn-time63%

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