Flights to Saint Louis from $ 153*

Promotion Code

United's most popular flights to Saint Louis (STL)

$
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Newark/New York (EWR)to

Saint Louis (STL)
01/24/26 - 01/28/26
from
$ 241
Viewed: 18 hours ago
Roundtrip
Economy

Chicago (ORD)to

Saint Louis (STL)
01/14/26 - 01/21/26
from
$ 153
Viewed: 16 hours ago
Roundtrip
Economy

Denver (DEN)to

Saint Louis (STL)
02/25/26 - 02/28/26
from
$ 157
Viewed: 19 hours ago
Roundtrip
Economy

Houston (IAH)to

Saint Louis (STL)
02/03/26 - 02/10/26
from
$ 273
Viewed: 18 hours ago
Roundtrip
Economy

San Francisco (SFO)to

Saint Louis (STL)
01/27/26 - 02/03/26
from
$ 391
Viewed: 15 hours ago
Roundtrip
Economy

Washington, D.C. (IAD)to

Saint Louis (STL)
01/18/26 - 01/21/26
from
$ 231
Viewed: 14 hours ago
Roundtrip
Economy

Los Angeles (LAX)to

Saint Louis (STL)
01/21/26 - 01/24/26
from
$ 315
Viewed: 17 hours ago
Roundtrip
Economy

Honolulu (HNL)to

Saint Louis (STL)
02/27/26 - 03/02/26
from
$ 421
Viewed: 18 hours ago
Roundtrip
Economy

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

Business class deals on flights to Saint Louis (STL)

$

Newark/New York (EWR)to

Saint Louis (STL)
01/13/26 - 01/17/26

Roundtrip

Business

from
$ 527
Viewed: 8 hours ago

Denver (DEN)to

Saint Louis (STL)
01/17/26 - 01/24/26

Roundtrip

Business

from
$ 427
Viewed: 3 hours ago

Chicago (ORD)to

Saint Louis (STL)
02/14/26 - 02/17/26

Roundtrip

Business

from
$ 332
Viewed: 42 minutes ago

Houston (IAH)to

Saint Louis (STL)
02/21/26 - 02/25/26

Roundtrip

Business

from
$ 537
Viewed: 1 day ago

San Francisco (SFO)to

Saint Louis (STL)
01/12/26 - 01/13/26

Roundtrip

Business

from
$ 991
Viewed: 4 hours ago

Washington, D.C. (IAD)to

Saint Louis (STL)
01/27/26 - 01/28/26

Roundtrip

Business

from
$ 505
Viewed: 1 day ago

Los Angeles (LAX)to

Saint Louis (STL)
01/20/26 - 01/22/26

Roundtrip

Business

from
$ 964
Viewed: 1 day ago

Honolulu (HNL)to

Saint Louis (STL)
05/01/26 - 05/08/26

Roundtrip

Business

from
$ 2,739
Viewed: 1 day ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

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Things to do after your flight to Saint Louis (STL)

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.