Flights to Saint Louis from CA $ 391*
expand_more
1 Passenger, Economy
expand_morePromotion Code
expand_moreexpand_more
today
today
United's most popular flights to Saint Louis (STL)
flight_takeoff
flight_land
CA $
Vancouver (YVR)to
Saint Louis (STL)2026/01/09 - 2026/01/13
from
CA $ 586
Viewed: 12 hours ago
Roundtrip
Economy
Toronto (YYZ)to
Saint Louis (STL)2026/01/07 - 2026/01/14
from
CA $ 549
Viewed: 12 hours ago
Roundtrip
Economy
Montreal (YUL)to
Saint Louis (STL)2026/01/17 - 2026/01/24
from
CA $ 641
Viewed: 12 hours ago
Roundtrip
Economy
Calgary (YYC)to
Saint Louis (STL)2026/01/13 - 2026/01/27
from
CA $ 602
Viewed: 12 hours ago
Roundtrip
Economy
Halifax (YHZ)to
Saint Louis (STL)2026/02/10 - 2026/02/17
from
CA $ 391
Viewed: 5 hours ago
Roundtrip
Economy
Québec (YQB)to
Saint Louis (STL)2026/02/11 - 2026/02/18
from
CA $ 731
Viewed: 12 hours ago
Roundtrip
Economy
Edmonton (YEG)to
Saint Louis (STL)2026/01/07 - 2026/01/14
from
CA $ 728
Viewed: 11 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)
flight_takeoff
flight_land
CA $
Vancouver (YVR)to
Saint Louis (STL)
2026/02/21 - 2026/03/01
Roundtrip
Business
from
CA $ 1,601
Viewed: 3 hours ago
Montreal (YUL)to
Saint Louis (STL)
2025/12/25 - 2025/12/31
Roundtrip
Business
from
CA $ 1,250
Viewed: 13 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.