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Discover one-way or return flights to St. Louis from just $20

Book one-way or return flights to St. Louis from as little as $20. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Top airlines fly to St. Louis from United States

See which airlines fly to St. Louis. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From $20
Spirit Airlines
From $21
Sun Country Airlines
From $113
Delta Air Lines
From $121
United Airlines
From $126
American Airlines
From $127
Southwest Airlines
From $135
Alaska Airlines
From $287
Allegiant Air
From $311
Breeze Airways
From $326
ANA airlines

Find more flights and airlines

We found these prices a few days ago. Please select one to view the latest price.

There are 1 airport(s) in St. Louis. Discover the top routes now!

Learn about the different airports in St. Louis, find the best flight and transfer options, and plan your journey.

Best Direct Flights to St. Louis from United States. Enjoy non-stop routes with 1 airline(s).

Check out nonstop flights to St. Louis and find the flight that best fits your travel needs.

FAQs about Flights to St. Louis from United States

  • What is the average flight ticket price from United States to St. Louis?
    The average ticket price to St. Louis is $314. Please use this price as a reference only.
  • How long is the flight to St. Louis?
    • Approx. 2 hours 42 minutes to fly from Orlando to St. Louis.
    • Approx. 2 hours 11 minutes to fly from Denver to St. Louis.
    • Approx. 3 hours 30 minutes to fly from Las Vegas to St. Louis.
    • Approx. 4 hours 35 minutes to fly from Seattle 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 $242.
  • 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 $263.
  • 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 20km. 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 Delta Air Lines .
  • What are some popular attractions in St. Louis?
    There are lots of attractions to choose from in St. Louis: 2 Acre Park (A Pocketparks Project) (3 km from downtown) , Masjid Bilal Ibn Rabaah (3 km from downtown) and Jesuit Archives & Research Center (3 km from downtown) are the most popular attractions close to downtown.

Info about Flights to St. Louis from United States

Cheapest nonstop flight price$19
Cheapest round-trip ticket price$55
Off-season for travelDecember
Peak season for travelSeptember