Popular airlines from Chicago to Niagara-on-the-Lake
DeltaDelta
American AirlinesAmerican Airlines
UnitedUnited
Air CanadaAir Canada
WestJetWestJet
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Find the cheapest month to fly from Chicago (CHI) to Toronto (YYZ)
September is typically the cheapest month to fly
From AU$214 - AU$765 per traveller.
Graph displaying average flight prices per month
Expedia's Latest Trends
Hotels
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Flights
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