St. Louis

$60+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — STL
Jun 3 — Jun 101
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Cheap 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 May 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:16 am
SLC
-
STL
1 stop10h 07m
Frontier
Tue 6/168:08 pm
STL
-
SLC
1 stop26h 47m
Frontier
Deal found 4/30$152
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:23 am
SLC
-
STL
1 stop10h 00m
Frontier
Wed 6/38:08 pm
STL
-
SLC
1 stop12h 30m
Frontier
Deal found 4/29$159
This Expedia deal was found by Cheapflights users on 5/3. 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.
Thu 5/2810:54 pm
SLC
-
STL
1 stop19h 29m
Frontier
Sun 5/319:06 pm
STL
-
SLC
1 stop13h 24m
Frontier
Deal found 5/3$200
This Orbitz deal was found by Cheapflights users on 4/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:54 pm
SLC
-
STL
1 stop19h 29m
Frontier
Fri 6/59:06 pm
STL
-
SLC
1 stop13h 24m
Frontier
Deal found 4/29$205
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:41 pm
SLC
-
STL
1 stop19h 42m
Frontier
Tue 7/217:03 pm
STL
-
SLC
1 stop15h 23m
Frontier
Deal found 4/29$210
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:29 pm
SLC
-
STL
2 stops15h 26m
Frontier
Tue 6/98:08 pm
STL
-
SLC
1 stop12h 23m
Frontier
Deal found 4/29$211
This Expedia deal was found by Cheapflights users on 4/30. 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.
Tue 6/231:50 pm
SLC
-
STL
1 stop28h 01m
Frontier
Sat 6/277:38 pm
STL
-
SLC
1 stop12h 53m
Frontier
Deal found 4/30$214
This Trip.com deal was found by Cheapflights users on 5/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:29 pm
SLC
-
STL
1 stop25h 54m
Frontier
Sat 5/306:30 pm
STL
-
SLC
1 stop16h 00m
Frontier
Deal found 5/3$216
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:54 pm
SLC
-
STL
1 stop19h 29m
Frontier
Tue 6/98:08 pm
STL
-
SLC
1 stop12h 23m
Frontier
Deal found 4/29$219
This Expedia deal was found by Cheapflights users on 5/3. 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.
Tue 5/191:32 pm
SLC
-
STL
1 stop27h 34m
Frontier
Mon 5/259:06 pm
STL
-
SLC
1 stop13h 24m
Frontier
Deal found 5/3$225

Find 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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$152
(Kiwi.com)

One-way from

$60
(Trip.com)

Popular in

November

Cheapest in

October

Average price

$439

Good round-trip deal

$509 or less

Good one-way deal

$363 or less
Provider with most accurate pricing for Salt Lake City-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Salt Lake City-Lambert-St Louis flights.
From Utah to Lambert-St Louis
One-way flight from Utah to Lambert-St Louis
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Utah to Lambert-St Louis.
Price to beat on a one-way flight from Utah to Lambert-St Louis.

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 May 4, 2026.
Use the filters below to find and compare flights from Utah to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 6/2

8:38 pm-12:30 am

Nonstop2h 52m

Lambert-St Louis

Thu 6/11

7:55 pm-10:08 pm

Nonstop3h 13m

$439

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 6/8

8:50 pm-12:43 am

Nonstop2h 53m

Lambert-St Louis

Sun 6/14

8:00 am-10:12 am

Nonstop3h 12m

$439

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 8/20

2:48 pm-6:39 pm

Nonstop2h 51m

Lambert-St Louis

Sun 8/23

8:00 am-10:12 am

Nonstop3h 12m

$439

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Sat 5/30

9:40 am-1:32 pm

Nonstop2h 52m

Lambert-St Louis

Mon 6/1

7:00 am-9:11 am

Nonstop3h 11m

$439
Quickest round-trip

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 7/17

8:50 pm-12:41 am

Nonstop2h 51m

Lambert-St Louis

Sun 7/26

2:30 pm-4:37 pm

Nonstop3h 07m

$439

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 6/1

8:38 pm-12:30 am

Nonstop2h 52m

Lambert-St Louis

Wed 6/10

8:00 am-10:12 am

Nonstop3h 12m

$439

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Wed 6/10

8:50 pm-12:43 am

Nonstop2h 53m

Lambert-St Louis

Tue 6/16

2:28 pm-4:40 pm

Nonstop3h 12m

$439

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 7/10

8:50 pm-12:41 am

Nonstop2h 51m

Lambert-St Louis

Sat 7/18

8:00 am-10:12 am

Nonstop3h 12m

$439

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 7/3

8:50 pm-12:43 am

Nonstop2h 53m

Lambert-St Louis

Sun 7/5

7:55 pm-10:08 pm

Nonstop3h 13m

$439

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Fri 6/5

5:30 pm-11:21 pm

1 stop4h 51m

Lambert-St Louis

Tue 6/9

8:00 am-10:12 am

Nonstop3h 12m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 19 resultsSorted by cheapest first
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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.

Cheapflights Insights

Everything you need to know about your flight from Utah to St. Louis

How far ahead should I book a flight from Utah to St. Louis?

The best time to book flights from Utah to St. Louis is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Utah to St. Louis (average of $55). Flying from Utah to St. Louis in May is currently the most expensive (average of $243). 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 May 4, 2026.

It’s typically best to fly out from Utah to St. Louis at noon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Utah to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Utah to St. Louis. Price data was last updated on May 2, 2026.

Travelers seeking maximum savings on their Utah to St. Louis flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Utah to St. Louis?

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.

  • How long is the flight from Utah to St. Louis?

    Airlines like Delta fly from Utah to St. Louis in about 2h 52m. The time it takes to get you to your destination is usually consistent. There are 1153 mi between Utah and St. Louis. Generally, flights for this route are nonstop.

  • 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 $78. However, be on the lookout for offers from United Airlines and Southwest, 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 WestJet (100%), Aeromexico (100%) and Air France (98%).

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

    While on average a flight from Utah to St. Louis is generally $453, our data shows the cheapest flight currently is $234. When looking at the most popular route, (Salt Lake City - Lambert-St Louis), you can expect to pay $297 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, November is the cheapest month in which you can book a flight from Utah to St. Louis (average of $55). Flying from Utah to St. Louis in May is currently the most expensive (average of $243). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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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.

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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$156Average$243FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$249Average$410FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$271Average$458FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$306Average$438FlexibilityNo cancel feeOn-time69%
DeltaCheapest$338Average$496FlexibilityNo cancel feeOn-timeN/A

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