Cheap flights from St. Louis to Niagara-on-the-Lake from CA $186

Cheap flights from St. Louis (STL) to Niagara-on-the-Lake (YTZ)

Prices were available within the past 7 days and start at CA $186 for one-way flights and CA $450 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep. 16 - Wed, Oct. 1

STL

St. Louis

YYZ

Toronto

CA $450 Roundtrip, found 4 days ago

CA $450

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Sep. 16 from St. Louis to Toronto, returning Wed, Oct. 1, priced at CA $450 found 4 days ago

Mon, Oct. 20 - Tue, Oct. 21

STL

St. Louis

YYZ

Toronto

CA $452 Roundtrip, found 8 hours ago

CA $452

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Mon, Oct. 20 from St. Louis to Toronto, returning Tue, Oct. 21, priced at CA $452 found 8 hours ago

Thu, Oct. 23 - Sat, Oct. 25

STL

St. Louis

YYZ

Toronto

CA $466 Roundtrip, found 8 hours ago

CA $466

Roundtrip

found 8 hours ago

Select Delta flight, departing Thu, Oct. 23 from St. Louis to Toronto, returning Sat, Oct. 25, priced at CA $466 found 8 hours ago

Tue, Aug. 5 - Mon, Aug. 18

STL

St. Louis

YKF

Kitchener

CA $552 Roundtrip, found 5 days ago

CA $552

Roundtrip

found 5 days ago

Select Air Canada flight, departing Tue, Aug. 5 from St. Louis to Kitchener, returning Mon, Aug. 18, priced at CA $552 found 5 days ago

Sun, Aug. 10 - Tue, Aug. 12

STL

St. Louis

YYZ

Toronto

CA $561 Roundtrip, found 7 hours ago

CA $561

Roundtrip

found 7 hours ago

Select United flight, departing Sun, Aug. 10 from St. Louis to Toronto, returning Tue, Aug. 12, priced at CA $561 found 7 hours ago

Mon, Oct. 13 - Thu, Oct. 30

STL

St. Louis

YYZ

Toronto

CA $676 Roundtrip, found 5 days ago

CA $676

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Mon, Oct. 13 from St. Louis to Toronto, returning Thu, Oct. 30, priced at CA $676 found 5 days ago