AirHint found the following cheapest return flights from Montreal (YUL) to Hanoi (HAN) in August 2025 (see full year).

Return flights

31 Aug - 07 Sep	ANA
26 Aug - 02 Sep	ANA
27 Aug - 03 Sep	ANA
18 Aug - 08 Sep	Air Canada
28 Aug - 04 Sep	Japan Airlines
25 Aug - 01 Sep	ANA
30 Aug - 06 Sep	Japan Airlines
20 Aug - 27 Aug	Air Canada
19 Aug - 26 Aug	Air Canada
29 Aug - 05 Sep	Air Canada
04 Aug - 11 Aug	Air Canada
18 Aug - 25 Aug	Air Canada
21 Aug - 28 Aug	Air Canada
23 Aug - 30 Aug	Air Canada
22 Aug - 29 Aug	ANA
04 Aug - 26 Aug	Air Canada
15 Aug - 08 Sep	ANA
13 Aug - 20 Aug	Air Canada
05 Aug - 12 Aug	Air Canada

Also check the deals for one-way flights from Montreal to Hanoi in August.

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 Montreal to Hanoi in August from $948

Return flights