Popular airlines from Portland to Niagara-on-the-Lake
JetstarJetstar
Qantas AirwaysQantas Airways
Virgin AustraliaVirgin Australia
ScootScoot
American AirlinesAmerican Airlines
EmiratesEmirates
UnitedUnited
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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
Expedia's Latest Trends
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