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 2 days ago

CA $450

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Sep. 16 from St. Louis to Toronto, returning Wed, Oct. 1, priced at CA $450 found 2 days ago

Tue, Sep. 2 - Tue, Sep. 16

STL

St. Louis

YYZ

Toronto

CA $453 Roundtrip, found 3 days ago

CA $453

Roundtrip

found 3 days ago

Select American Airlines flight, departing Tue, Sep. 2 from St. Louis to Toronto, returning Tue, Sep. 16, priced at CA $453 found 3 days ago

Thu, Aug. 14 - Mon, Aug. 18

STL

St. Louis

YTZ

Toronto

CA $544 Roundtrip, found 5 days ago

CA $544

Roundtrip

found 5 days ago

Select Air Canada flight, departing Thu, Aug. 14 from St. Louis to Toronto, returning Mon, Aug. 18, priced at CA $544 found 5 days ago

Fri, Jul. 18 - Sat, Jul. 26

STL

St. Louis

YYZ

Toronto

CA $558 Roundtrip, found 4 hours ago

CA $558

Roundtrip

found 4 hours ago

Select Delta flight, departing Fri, Jul. 18 from St. Louis to Toronto, returning Sat, Jul. 26, priced at CA $558 found 4 hours ago

Tue, Oct. 7 - Tue, Oct. 14

STL

St. Louis

YYZ

Toronto

CA $604 Roundtrip, found 1 day ago

CA $604

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct. 7 from St. Louis to Toronto, returning Tue, Oct. 14, priced at CA $604 found 1 day ago

Mon, Oct. 13 - Thu, Oct. 30

STL

St. Louis

YYZ

Toronto

CA $676 Roundtrip, found 3 days ago

CA $676

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Mon, Oct. 13 from St. Louis to Toronto, returning Thu, Oct. 30, priced at CA $676 found 3 days ago