CA $331 Cheap American Airlines fights from Montreal (YUL) to St. Louis (STL)

American Airlines flights from Montreal to St. Louis (YUL→STL)

Prices were available within the past 7 days and start at CA $331 for one-way flights and CA $628 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed., May 15 - Tue., May 21

YUL

Montreal

STL

St. Louis

CA $628 Roundtrip, found 4 hours ago

CA $628

Roundtrip

found 4 hours ago

Select American Airlines flight, departing Wed., May 15 from Montreal to St. Louis, returning Tue., May 21, priced at CA $628 found 4 hours ago

Mon., May 13 - Wed., May 15

YUL

Montreal

STL

St. Louis

CA $655 Roundtrip, found 14 hours ago

CA $655

Roundtrip

found 14 hours ago

Select American Airlines flight, departing Mon., May 13 from Montreal to St. Louis, returning Wed., May 15, priced at CA $655 found 14 hours ago

Sun., May 12 - Wed., May 15

YUL

Montreal

STL

St. Louis

CA $660 Roundtrip, found 4 days ago

CA $660

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sun., May 12 from Montreal to St. Louis, returning Wed., May 15, priced at CA $660 found 4 days ago