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$50+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — STL
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$100
(Frontier)

One-way from

$50
(Mytrip)

Popular in

January

Cheapest in

May

Average price

$400

Good round-trip deal

$359 or less

Good one-way deal

$268 or less
Provider with most accurate pricing for Salt Lake City-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Salt Lake City-Lambert-St Louis flights.
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From Utah to Lambert-St Louis
Search Deals
One-way flight from Utah to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
Search Deals
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 febrero 20, 2025.

This Frontier deal was found by Cheapflights users on 2/18. 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.
jue. 5/18:29 pmSLC - STL
1 stop11h 40mFrontier
sáb. 5/36:53 pmSTL - SLC
1 stop6h 41mFrontier
Deal found 2/18$100
This Expedia deal was found by Cheapflights users on 2/18. 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.
vie. 5/28:29 pmSLC - STL
1 stop11h 40mMultiple Airlines
mar. 5/66:30 amSTL - SLC
1 stop9h 06mMultiple Airlines
Deal found 2/18$271
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/1212:03 pmSLC - STL
1 stop10h 56mAlaska Airlines
mar. 3/187:00 amSTL - SLC
1 stop16h 20mAlaska Airlines
Deal found 2/19$343
This United Airlines deal was found by Cheapflights users on 2/18. 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.
mar. 4/15:10 amSLC - STL
1 stop6h 37mUnited Airlines
mar. 4/15:35 pmSTL - SLC
1 stop6h 10mUnited Airlines
Deal found 2/18$346
This American Airlines deal was found by Cheapflights users on 2/18. 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.
mar. 4/87:50 amSLC - STL
1 stop7h 25mAmerican Airlines
jue. 4/105:45 amSTL - SLC
1 stop7h 45mAmerican Airlines
Deal found 2/18$351
This Southwest deal was found by Cheapflights users on 2/20. 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. 3/611:00 amSLC - STL
2 stops7h 50mSouthwest
lun. 3/108:35 pmSTL - SLC
1 stop5h 45mSouthwest
Deal found 2/20$356
This Delta deal was found by Cheapflights users on 2/20. 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. 4/38:45 pmSLC - STL
Nonstop2h 43mDelta
mar. 4/85:00 pmSTL - SLC
Nonstop3h 10mDelta
Deal found 2/20$359
This Mytrip deal was found by Cheapflights users on 2/18. 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. 4/282:36 pmSLC - STL
2 stops25h 40mSpirit Airlines
jue. 5/87:37 pmSTL - SLC
2 stops19h 33mSpirit Airlines
Deal found 2/18$364

Find flights from Utah to St. Louis within your budget

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 febrero 20, 2025.

Fly from

Utah

Fly to

St. Louis

Route

Depart

Return

Price

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

jue. 5/1

8:29 pm-9:09 am

1 stop11h 40m

Lambert-St Louis

sáb. 5/3

6:53 pm-12:34 am

1 stop6h 41m

$100

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

vie. 5/2

8:29 pm-9:09 am

1 stop11h 40m

Lambert-St Louis

mar. 5/6

6:30 am-2:36 pm

1 stop9h 06m

$271

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

mié. 3/12

12:03 pm-11:59 pm

1 stop10h 56m

Lambert-St Louis

mar. 3/18

7:00 am-10:20 pm

1 stop16h 20m

$343

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

mar. 4/1

5:10 am-12:47 pm

1 stop6h 37m

Lambert-St Louis

mar. 4/1

5:35 pm-10:45 pm

1 stop6h 10m

$346

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

mar. 4/8

7:50 am-4:15 pm

1 stop7h 25m

Lambert-St Louis

jue. 4/10

5:45 am-12:30 pm

1 stop7h 45m

$351

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

jue. 3/6

11:00 am-7:50 pm

2 stops7h 50m

Lambert-St Louis

lun. 3/10

8:35 pm-1:20 am

1 stop5h 45m

$356

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

jue. 4/3

8:45 pm-12:28 am

Nonstop2h 43m

Lambert-St Louis

mar. 4/8

5:00 pm-7:10 pm

Nonstop3h 10m

$359

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

lun. 4/28

2:36 pm-5:16 pm

2 stops25h 40m

Lambert-St Louis

jue. 5/8

7:37 pm-2:10 pm

2 stops19h 33m

$364

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

sáb. 4/5

9:45 am-5:43 pm

1 stop6h 58m

$50

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

mié. 4/23

3:36 pm-5:16 pm

2 stops24h 40m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 16 results
1
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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.

Travel insights for flights from Utah to St. Louis

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

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 febrero 20, 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.

Weekly flight availability from Utah to St. Louis

Explore weekly flight availability from Utah to St. Louis. 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 febrero 20, 2025.

The most flights from USUT to STL are scheduled on a Monday (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 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 febrero 20, 2025.
Read through reviews of airlines operating flights from Utah to St. Louis, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier, with whom users have recently found tickets for as low as $50. However, be on the lookout for offers from Spirit Airlines and Alaska 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 (100%), WestJet (100%) and Virgin Atlantic (100%).

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

    While on average a flight from Utah to St. Louis is generally $400, our data shows the cheapest flight currently is $238. When looking at the most popular route, (Salt Lake City - Lambert-St Louis), you can expect to pay $266 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
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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Alternative routes for Utah to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$102Average$168FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$247Average$396FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$416FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$306Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$354Average$435FlexibilityNo cancel feeOn-time63%
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