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How to Book Cheap Flights to St. Louis

To plan a trip to St. Louis, it's advisable to book your flights in advance to take advantage of possible discounts. It's important to keep in mind that the average cost of arrival tickets to St. Louis is US$295 when making your travel arrangements. There are 3 airports in St. Louis, with St.Louis Lambert International Airport being the closest to downtown, so be sure to check which one is the most convenient for you. When booking your flights to St. Louis, you can choose between a one-way ticket for the lowest price or a round-trip ticket for the best value. The lowest cost for a one-way ticket is US$63, while the lowest round-trip ticket costs US$78. The preferred airline for this route is Frontier Airlines, which offers a reliable and comfortable flying experience. Keep in mind that prices usually increase during the peak tourism season, which is in May, so be sure to book your flights and accommodations early if you plan to travel during that time.

Popular flights to St. Louis

These are the best offers on flights to St. Louis you’ll find over the next 60 days, with savings of up to US$1,015. Don’t miss out!

71%
St. Louis US$415 per passenger Departure date: Sun, May 18 One-way flight operated by Sichuan Airlines The connecting flight to St. Louis Lambert International Airport will be operated by Sichuan Airlines, departing from Suvarnabhumi Intl. Airport on Sun, May 18. Starting from US$415, fare includes taxes and fees.
BangkokSt. Louis
Sichuan AirlinesSichuan Airlines
One way
Economy
Sun, May 18
US$415
US$1,430
60%
St. Louis US$433 per passenger Departure date: Fri, Apr 18 One-way flight operated by Air Canada The connecting flight to St. Louis Lambert International Airport will be operated by Air Canada, departing from Incheon Intl. Airport on Fri, Apr 18. Starting from US$433, fare includes taxes and fees.
SeoulSt. Louis
Air CanadaAir Canada
One way
Economy
Fri, Apr 18
US$433
US$1,081
64%
St. Louis US$473 per passenger Departure date: Sun, May 18 One-way flight operated by Sichuan Airlines The connecting flight to St. Louis Lambert International Airport will be operated by Sichuan Airlines, departing from Pudong Intl. Airport on Sun, May 18. Starting from US$473, fare includes taxes and fees.
ShanghaiSt. Louis
Sichuan AirlinesSichuan Airlines
One way
Economy
Sun, May 18
US$473
US$1,327
63%
St. Louis US$478 per passenger Departure date: Tue, May 13 One-way flight operated by Sichuan Airlines The connecting flight to St. Louis Lambert International Airport will be operated by Sichuan Airlines, departing from Kuala Lumpur Intl. Airport on Tue, May 13. Starting from US$478, fare includes taxes and fees.
Kuala LumpurSt. Louis
Sichuan AirlinesSichuan Airlines
One way
Economy
Tue, May 13
US$478
US$1,304
66%
St. Louis US$492 per passenger Departure date: Tue, Apr 1 One-way flight operated by United Airlines The connecting flight to St. Louis Lambert International Airport will be operated by United Airlines, departing from Changi Airport on Tue, Apr 1. Starting from US$492, fare includes taxes and fees.
SingaporeSt. Louis
United AirlinesUnited Airlines
One way
Economy
Tue, Apr 1
US$492
US$1,440
61%
St. Louis US$496 per passenger Departure date: Sun, May 18 One-way flight operated by China Southern Airlines The connecting flight to St. Louis Lambert International Airport will be operated by China Southern Airlines, departing from Ninoy Aquino Intl. Airport on Sun, May 18. Starting from US$496, fare includes taxes and fees.
ManilaSt. Louis
China Southern AirlinesChina Southern Airlines
One way
Economy
Sun, May 18
US$496
US$1,277

Round-trip fights to St. Louis

Whether it's a quick getaway or a business trip to remember, our 3–7 day round trips are perfect for experiencing St. Louis affordably.

St. Louis US$833 per passenger Departure date: Thu, Apr 24, Return date: Wed, Apr 30 Round-trip flights operated by United Airlines and United Airlines. The connecting flight to St.Louis Lambert International Airport will be operated by United Airlines, departing from Incheon International Airport on Thu, Apr 24. The connecting return flight to Incheon International Airport will be operated by United Airlines, departing from St.Louis Lambert International Airport on Wed, Apr 30. Starting from US$833, fare includes taxes and fees.
7 Day Trip
Thu, Apr 24 - Wed, Apr 30
7 Day Trip
Seoul
St. Louis
US$833
Search
St. Louis US$926 per passenger Departure date: Sun, May 4, Return date: Sat, May 10 Round-trip flights operated by Philippine Airlines and Southwest Airlines. The connecting flight to St.Louis Lambert International Airport will be operated by Philippine Airlines, departing from Suvarnabhumi Airport on Sun, May 4. The connecting return flight to Suvarnabhumi Airport will be operated by Southwest Airlines, departing from St.Louis Lambert International Airport on Sat, May 10. Starting from US$926, fare includes taxes and fees.
7 Day Trip
Sun, May 4 - Sat, May 10
7 Day Trip
Bangkok
St. Louis
US$926
Search
St. Louis US$936 per passenger Departure date: Tue, Apr 1, Return date: Mon, Apr 7 Round-trip flights operated by United Airlines and Frontier Airlines. The connecting flight to St.Louis Lambert International Airport will be operated by United Airlines, departing from Singapore Changi Airport on Tue, Apr 1. The connecting return flight to Singapore Changi Airport will be operated by Frontier Airlines, departing from St.Louis Lambert International Airport on Mon, Apr 7. Starting from US$936, fare includes taxes and fees.
7 Day Trip
Tue, Apr 1 - Mon, Apr 7
7 Day Trip
Singapore
St. Louis
US$936
Search
St. Louis US$1,030 per passenger Departure date: Tue, Mar 25, Return date: Mon, Mar 31 Round-trip flights operated by Asiana Airlines and American Airlines. The connecting flight to St.Louis Lambert International Airport will be operated by Asiana Airlines, departing from Ninoy Aquino International Airport on Tue, Mar 25. The connecting return flight to Ninoy Aquino International Airport will be operated by American Airlines, departing from St.Louis Lambert International Airport on Mon, Mar 31. Starting from US$1,030, fare includes taxes and fees.
7 Day Trip
Tue, Mar 25 - Mon, Mar 31
7 Day Trip
Manila
St. Louis
US$1,030
Search
St. Louis US$1,081 per passenger Departure date: Wed, Apr 16, Return date: Tue, Apr 22 Round-trip flights operated by United Airlines and United Airlines. The connecting flight to St.Louis Lambert International Airport will be operated by United Airlines, departing from Shanghai Pudong International Airport on Wed, Apr 16. The connecting return flight to Shanghai Pudong International Airport will be operated by United Airlines, departing from St.Louis Lambert International Airport on Tue, Apr 22. Starting from US$1,081, fare includes taxes and fees.
7 Day Trip
Wed, Apr 16 - Tue, Apr 22
7 Day Trip
Shanghai
St. Louis
US$1,081
Search
St. Louis US$1,142 per passenger Departure date: Tue, May 6, Return date: Sat, May 10 Round-trip flights operated by Cathay Pacific and Southwest Airlines. The connecting flight to St.Louis Lambert International Airport will be operated by Cathay Pacific, departing from Hong Kong International Airport on Tue, May 6. The connecting return flight to Hong Kong International Airport will be operated by Southwest Airlines, departing from St.Louis Lambert International Airport on Sat, May 10. Starting from US$1,142, fare includes taxes and fees.
5 Day Trip
Tue, May 6 - Sat, May 10
5 Day Trip
Hong Kong
St. Louis
US$1,142
Search
View more round-trip flights

Airports in St. Louis

Discover different airports in St. Louis. Find the best flight and transfer option, and plan your trip accordingly.

  • 21.12 km from downtown St. Louis
    St. Louis Lambert International Airport
    Tickets From
    US$47

Top Airlines Flying to St. Louis

View airlines operating flights to St. Louis. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.
Frontier Airlines logoFrontier AirlinesAmerican Airlines logoAmerican AirlinesDelta Air Lines logoDelta Air LinesUnited Airlines logoUnited AirlinesAlaska Airlines logoAlaska AirlinesSouthern Airways Express logoSouthern Airways ExpressSichuan Airlines logoSichuan AirlinesAir Canada logoAir CanadaCathay Pacific logoCathay PacificKorean Air logoKorean AirWestJet logoWestJetQatar Airways logoQatar AirwaysPhilippine Airlines logoPhilippine AirlinesAsiana Airlines logoAsiana AirlinesChina Eastern Airlines logoChina Eastern AirlinesSun Country Airlines logoSun Country AirlinesVietnam Airlines logoVietnam AirlinesAir France logoAir FranceZIPAIR logoZIPAIRTurkish Airlines logoTurkish Airlines

Info About Flights to St. Louis

Cheapest one-way flight price$56
Cheapest round-trip ticket price$101
Off-season for travelFebruary
Peak season for travelDecember
Flight distance2,219.31 km
Average flight time4 hours 3 minutes
Popular airlineAlaska Airlines
Cheapest monthJune

FAQs about Flights to St. Louis

  • What is the average flight ticket price from United States to St. Louis?

    The average ticket price to St. Louis is $322. Please use this price as a reference only.

  • How long is the flight to St. Louis?

    • Approx. 3 hours 20 minutes to fly from Las Vegas to St. Louis.
    • Approx. 2 hours 47 minutes to fly from Orlando to St. Louis.
    • Approx. 2 hours 30 minutes to fly from Denver to St. Louis.
    • Approx. 5 hours 55 minutes to fly from Los Angeles to St. Louis.

  • How to get cheap flights to St. Louis?

    You can book cheaper flights in the following ways:
    • Search for tickets to a city or airport near St. Louis.
    • Look up different airlines that have flights to St. Louis.
    • Browse different departure dates from the same month.
    • Filter for different departure times from the same day.
    • Check for discount information on various social media sites.
    • Explore deals and discounts on airline websites.

  • What is the most popular month to visit St. Louis?

    Understanding peak and off travel seasons to St. Louis can help you arrange your travel plans accordingly. The most popular month to visit St. Louis is April. The average price of flight tickets to St. Louis in April is $222.

  • When are the cheapest flights to St. Louis?

    Flight tickets to St. Louis are the cheapest in June compared to other months, the average price is $236.

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.

  • Which popular airlines have flights to St. Louis?

    Popular airlines with flights to St. Louis: Frontier Airlines , American Airlines , and United Airlines .

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