Flights to Saint Louis from $ 107*
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1 Passenger, Economy
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today
today
United's most popular flights to Saint Louis (STL)
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$
Newark/New York (EWR)to
Saint Louis (STL)02/02/26 - 02/04/26
from
$ 201
Viewed: 1 day ago
Roundtrip
Economy
Chicago (ORD)to
Saint Louis (STL)02/13/26 - 02/14/26
from
$ 107
Viewed: 1 day ago
Roundtrip
Economy
Houston (IAH)to
Saint Louis (STL)01/28/26 - 02/03/26
from
$ 127
Viewed: 1 day ago
Roundtrip
Economy
Denver (DEN)to
Saint Louis (STL)01/10/26 - 01/14/26
from
$ 145
Viewed: 1 day ago
Roundtrip
Economy
San Francisco (SFO)to
Saint Louis (STL)01/24/26 - 01/29/26
from
$ 209
Viewed: 1 day ago
Roundtrip
Economy
Washington, D.C. (IAD)to
Saint Louis (STL)01/24/26 - 01/26/26
from
$ 159
Viewed: 1 day ago
Roundtrip
Economy
Honolulu (HNL)to
Saint Louis (STL)02/09/26 - 02/22/26
from
$ 403
Viewed: 1 day ago
Roundtrip
Economy
Portland, OR (PDX)to
Saint Louis (STL)01/17/26 - 01/20/26
from
$ 249
Viewed: 16 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)
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flight_land
$
Newark/New York (EWR)to
Saint Louis (STL)
02/06/26 - 02/07/26
Roundtrip
Business
from
$ 482
Viewed: 1 day ago
Chicago (ORD)to
Saint Louis (STL)
02/13/26 - 02/14/26
Roundtrip
Business
from
$ 277
Viewed: 1 day ago
Houston (IAH)to
Saint Louis (STL)
01/07/26 - 01/13/26
Roundtrip
Business
from
$ 397
Viewed: 1 day ago
Denver (DEN)to
Saint Louis (STL)
01/10/26 - 01/14/26
Roundtrip
Business
from
$ 415
Viewed: 1 day ago
San Francisco (SFO)to
Saint Louis (STL)
01/05/26 - 01/13/26
Roundtrip
Business
from
$ 847
Viewed: 1 day ago
Washington, D.C. (IAD)to
Saint Louis (STL)
01/24/26 - 01/26/26
Roundtrip
Business
from
$ 429
Viewed: 1 day ago
Honolulu (HNL)to
Saint Louis (STL)
01/20/26 - 01/23/26
Roundtrip
Business
from
$ 2,167
Viewed: 1 day ago
Portland, OR (PDX)to
Saint Louis (STL)
01/09/26 - 01/12/26
Roundtrip
Business
from
$ 859
Viewed: 11 hours 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.
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.