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$125+ Cheap flights from Utah to St. Louis (STL)

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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Utah to St. Louis

Keep the following information in mind while searching for Utah to St. Louis flight deals. Data was last updated June 12, 2025.

Round-trip from

$207
(Frontier)

One-way from

$125
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$389

Good round-trip deal

$439 or less

Good one-way deal

$248 or less
From Utah to Lambert-St Louis
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One-way flight from Utah to Lambert-St Louis
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Highest demand for flights based on searches. 9% potential increase in price ($41 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 June 2025
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Price to beat on a round-trip flight from Utah to Lambert-St Louis.
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Price to beat on a one-way flight from Utah to Lambert-St Louis.
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Find flight deals from Utah to St. Louis

Cheapest flights from Utah to St. Louis
Explore the most affordable flight options available from Utah to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:42 pmSLC - STL
1 stop11h 29mFrontier
Mon 8/187:29 pmSTL - SLC
1 stop5h 35mFrontier
Deal found 6/12$207
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/912:33 pmSLC - STL
1 stop20h 19mSpirit Airlines
Wed 7/1611:24 amSTL - SLC
2 stops34h 33mSpirit Airlines
Deal found 6/9$282
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 7/912:33 pmSLC - STL
1 stop20h 19mMultiple Airlines
Wed 7/167:29 pmSTL - SLC
1 stop18h 40mMultiple Airlines
Deal found 6/9$284
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.
Tue 7/2912:18 amSLC - STL
1 stop7h 01mAmerican Airlines
Wed 8/66:06 amSTL - SLC
1 stop10h 59mAmerican Airlines
Deal found 6/11$320
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/82:36 pmSLC - STL
1 stop5h 09mUnited Airlines
Tue 7/156:33 amSTL - SLC
1 stop6h 07mUnited Airlines
Deal found 6/10$337
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:35 amSLC - STL
2 stops6h 15mSouthwest
Wed 8/2010:15 amSTL - SLC
2 stops7h 40mSouthwest
Deal found 6/10$347
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.
Tue 9/27:25 pmSLC - STL
1 stop21h 09mAlaska Airlines
Mon 9/86:00 amSTL - SLC
1 stop9h 35mAlaska Airlines
Deal found 6/10$375
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/18:50 pmSLC - STL
Nonstop2h 48mDelta
Thu 8/77:45 amSTL - SLC
Nonstop3h 10mDelta
Deal found 6/9$439

Cheapflights Fare Finder

Customize your flight search to find flights from Utah to St. Louis 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 Utah to St. Louis that are best for you.

Fly from

Utah

Fly to

St. Louis

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 9/4

9:43 pm-9:07 am

1 stop10h 24m

Lambert-St Louis

Sun 9/14

7:52 pm-12:16 am

1 stop5h 24m

$214

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 7/9

12:33 pm-9:52 am

1 stop20h 19m

Lambert-St Louis

Wed 7/16

11:24 am-8:57 pm

2 stops34h 33m

$282

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 7/9

12:33 pm-9:52 am

1 stop20h 19m

Lambert-St Louis

Wed 7/16

7:29 pm-1:09 pm

1 stop18h 40m

$284

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 7/29

12:18 am-8:19 am

1 stop7h 01m

Lambert-St Louis

Wed 8/6

6:06 am-4:05 pm

1 stop10h 59m

$320

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 7/8

2:36 pm-8:45 pm

1 stop5h 09m

Lambert-St Louis

Tue 7/15

6:33 am-11:40 am

1 stop6h 07m

$337

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 8/19

10:35 am-5:50 pm

2 stops6h 15m

Lambert-St Louis

Wed 8/20

10:15 am-4:55 pm

2 stops7h 40m

$347

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 9/2

7:25 pm-5:34 pm

1 stop21h 09m

Lambert-St Louis

Mon 9/8

6:00 am-2:35 pm

1 stop9h 35m

$375

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 8/1

2:29 pm-6:16 pm

Nonstop2h 47m

Lambert-St Louis

Sat 8/9

7:45 am-9:55 am

Nonstop3h 10m

$439

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 7/16

12:33 pm-9:52 am

1 stop20h 19m

$125

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 8/20

1:35 pm-2:39 pm

1 stop24h 04m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 17 results
1
2

Best time to book a flight from Utah to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Utah 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 Utah to St. Louis

What is the cheapest month to book a flight from Utah to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Utah to St. Louis (average of $311). Flying from Utah to St. Louis in March is currently the most expensive (average of $356). 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 UT to STL?

Find hourly flight availability from Utah to St. Louis. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Utah to St. Louis as you normally would.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Utah to St. Louis, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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 Utah to St. Louis. 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 into for flights to St. Louis from Utah?

    For a flight from Utah to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • What are the cheapest airlines to fly from Utah to St. Louis one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $125. However, be on the lookout for offers from Alaska Airlines and American Airlines, as they are both options that can get you from Utah to St. Louis for a low price.

  • What are the most reliable airlines from Utah to St. Louis?

    The top 3 most reliable airlines when flying from Utah to St. Louis are Air France (86%), Delta (86%) and WestJet (86%).

  • What are the cheapest flights from Utah to St. Louis?

    While on average a flight from Utah to St. Louis is generally $378, our data shows the cheapest flight currently is $218. When looking at the most popular route, (Salt Lake City - Lambert-St Louis), you can expect to pay $269 for that flight.

  • Can I find deals for flights from Utah to St. Louis that include hotel bookings?

    Yes. In addition to deals on Utah to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Utah to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Utah to St. Louis.

  • Can I find deals for business class flights from Utah to St. Louis?

    Yes. Cheapflights offers flight deals from Utah to St. Louis 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 Utah to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Utah to St. Louis (average of $311). Flying from Utah to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Utah?

Book flights to Utah if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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Top 5 airlines flying from Utah to St. Louis

Discover the top 5 airlines that operate flights from Utah to St. Louis. 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$108Average$212FlexibilityNo cancel feeOn-time62%
DeltaCheapest$258Average$498FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$298Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$350Average$438FlexibilityNo cancel feeOn-time63%

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