AirHint found the following cheapest return flights from Toronto (YYZ) to Hanoi (HAN) in May 2026 (see full year).

Return flights

07 May - 14 May	WestJet
11 May - 18 May	WestJet
28 May - 04 Jun	Flair Airlines
22 May - 18 Jun	Etihad Airways
14 May - 13 Jun	WestJet
08 May - 06 Jun	WestJet
01 May - 12 May	Porter Airlines (Canada) Ltd
15 May - 23 May	WestJet
08 May - 10 May	Air Canada
04 May - 18 May	WestJet
21 May - 31 May	WestJet
01 May - 16 Jun	Air Canada
01 May - 19 Jun	Air Canada

Also check the deals for one-way flights from Toronto to Hanoi in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Toronto to Hanoi in May from 735€

Return flights