Skip to content

Get United's best fares today on flights to Saint Louis from *

Select journey type

Enter to select travel class and passengers

Things to do in Saint Louis

Fly to St. Louis with United Airlines from over 200 airports within the United States and an additional 100 airports internationally.

St. Louis’s top attractions

  • Ride to the top of iconic Gateway Arch, the tallest national monument in the world.
  • Visit the Old Courthouse to learn about its significance to the Civil War.
  • Admire the Cathedral Basilica of St. Louis.
  • Photograph the Wainwright Building, one of the world’s first skyscrapers.
  • Tour the famous Anheuser-Busch Brewery.
  • Take kids to the Saint Louis Zoo or the Saint Louis Science Center.
  • Stroll through Lafayette Square, the city’s first dedicated park.
  • Visit museums including the City Museum, Missouri History Museum and the Saint Louis Art Museum.

Best time to travel to St. Louis

Spring and fall provide pleasant temperatures, though popular events take place in all seasons. Spring offers celebrations including the Gypsy Caravan and Missouri Tartan Day, in nearby Washington. Summertime events include the Fair Saint Louis, Festival of the Nations and the unique Veiled Prophet Parade. Music fans will love the Big Muddy Blues Festival in summer and fall’s Old Webster Jazz and Blues festival.

Weather in Saint Louis

Sunday snow
1°C 15/12/2019
Monday snow
0°C 16/12/2019
Tuesday sky is clear
-3°C 17/12/2019
Wednesday scattered clouds
-2°C 18/12/2019
Thursday broken clouds
2°C 19/12/2019
Friday broken clouds
5°C 20/12/2019
Saturday overcast clouds
2°C 21/12/2019
Powered by:

Search for more flights to Saint Louis (STL)


Mexico City (MEX)

Saint Louis (STL)

cmp-label--departure-date 19/02/2020

cmp-label--return-date 04/03/2020


Cancun (CUN)

Saint Louis (STL)

cmp-label--departure-date 18/12/2019

cmp-label--return-date 25/12/2019