$337 Cheap United flights St. Louis (STL) to Montreal (YUL)

$337 Cheap United flights St. Louis (STL) to Montreal (YUL)

Prices were available within the past 7 days and start at $337 for one-way flights and $643 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
United
United
United

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Popular airline
Delta
Distance
1547 km

Explore a world of travel with Expedia