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St. Louis

Cheap flights from Park City, UT to St. Louis (STL)

SLC — STL
Oct 31 — Nov 71
Sat 10/31
Sat 11/7
1 adult, Economy
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Cheapflights Tip: The best prices from Park City to Lambert-St Louis are usually found in March or February, booked 6 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Find flight deals from Park City to St. Louis

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

November

Cheapest in

March

Average price

$449
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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Highest demand for flights based on searches. 2% potential increase in price ($11 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 October 2026
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Cheapflights Insights

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

What is the cheapest time of day to fly from PR9 to STL?

It’s optimal to fly from Park City to St. Louis in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

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

Travelers seeking maximum savings on their Park City 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.

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Southwest,Delta, andFrontier from Park City to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,206 reviews

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Southwest
8.0
Very good
4,206 reviews
Southwest
8.0
Very good
4,206 reviews

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Delta
7.8
Good
8,612 reviews
Southwest
8.0
Very good
4,206 reviews

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Frontier
5.6
Fair
2,568 reviews
Southwest
8.0
Very good
4,206 reviews

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Related info for your journey

  • What airport do you fly into for flights to St. Louis from Park City?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Park City to St. Louis. 3 airlines have flights to Lambert-St Louis from Park City on a regular basis. Booking flights from Park City to Lambert-St Louis should not be difficult; the airport handles an average of 3 inbound flights from Park City per day.

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

    One-way options have recently been found by users for as low as $79 on Frontier. Other airlines that offer cheap prices include Southwest from $163 and Delta from $308 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Park City to St. Louis consider choosing Sun Country Air (100%), KLM (81%) or Delta (79%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $494 for a flight from Park City to St. Louis. The cheapest flight overall is $323 while the most popular route, (Salt Lake City - Lambert-St Louis) is currently priced at $301.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Park City 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.

See more FAQs

Traveling to a place near St. Louis?

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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Park City to St. Louis

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$167Average$270FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$356Average$450FlexibilityNo cancel feeOn-time63%
DeltaCheapest$399Average$503FlexibilityNo cancel feeOn-timeN/A

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