Cheap flights from Portland to Niagara-on-the-Lake

View AU$201 flight on Sun, 2 Nov. 2025Opens in a new window

Popular airlines from Portland to Niagara-on-the-Lake

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Cheap Flights from Portland (PDX) to Niagara-on-the-Lake (YTZ)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 24 Oct. - Thu, 30 Oct.
PDX
Portland
YYZ
Toronto
AU$449 Return, found 6 days ago
AU$449
Return
found 6 days ago
Select United flight, departing Fri, 24 Oct. from Portland to Toronto, returning Thu, 30 Oct., priced at AU$449 found 6 days ago
Delta
Fri, 24 Oct. - Thu, 30 Oct.
PDX
Portland
YYZ
Toronto
AU$463 Return, found 6 days ago
AU$463
Return
found 6 days ago
Select Delta flight, departing Fri, 24 Oct. from Portland to Toronto, returning Thu, 30 Oct., priced at AU$463 found 6 days ago
Delta
Fri, 24 Oct. - Thu, 30 Oct.
PDX
Portland
YYZ
Toronto
AU$473 Return, found 6 days ago
AU$473
Return
found 6 days ago
Select Delta flight, departing Fri, 24 Oct. from Portland to Toronto, returning Thu, 30 Oct., priced at AU$473 found 6 days ago
Air Canada
Fri, 24 Oct. - Thu, 30 Oct.
PDX
Portland
YYZ
Toronto
AU$487 Return, found 6 days ago
AU$487
Return
found 6 days ago
Select Air Canada flight, departing Fri, 24 Oct. from Portland to Toronto, returning Thu, 30 Oct., priced at AU$487 found 6 days ago
Alaska Airlines
Fri, 24 Oct. - Thu, 30 Oct.
PDX
Portland
YYZ
Toronto
AU$524 Return, found 6 days ago
AU$524
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 24 Oct. from Portland to Toronto, returning Thu, 30 Oct., priced at AU$524 found 6 days ago
American Airlines
Fri, 24 Oct. - Thu, 30 Oct.
PDX
Portland
YYZ
Toronto
AU$547 Return, found 6 days ago
AU$547
Return
found 6 days ago
Select American Airlines flight, departing Fri, 24 Oct. from Portland to Toronto, returning Thu, 30 Oct., priced at AU$547 found 6 days ago

Find the cheapest month to fly from Portland (PDX) to Toronto (YYZ)

August is typically the cheapest month to fly

From AU$368 - AU$671 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.