AirHint found the following cheapest return flights from Toronto (YYZ) to Hanoi (HAN) in December 2025 (see full year).

Return flights

01 Dec - 08 Dec	Flair Airlines
01 Dec - 19 Jan	WestJet
09 Dec - 15 Jan	WestJet
05 Dec - 22 Dec	WestJet
11 Dec - 15 Jan	WestJet
08 Dec - 07 Jan	Porter Airlines (Canada) Ltd
05 Dec - 26 Dec	WestJet
28 Dec - 16 Jan	WestJet
26 Dec - 17 Jan	WestJet
30 Dec - 17 Jan	Porter Airlines (Canada) Ltd
04 Dec - 27 Dec	WestJet
27 Dec - 16 Jan	WestJet
15 Dec - 15 Jan	Porter Airlines (Canada) Ltd
15 Dec - 16 Jan	WestJet
14 Dec - 20 Dec	Flair Airlines
25 Dec - 31 Dec	Qatar Airways
24 Dec - 31 Dec	Qatar Airways
17 Dec - 31 Dec	Porter Airlines (Canada) Ltd
18 Dec - 25 Dec	Cathay Pacific
19 Dec - 26 Dec	Cathay Pacific

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

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 December from $730

Return flights