AirHint found the following cheapest return flights from Montreal (YUL) to Ho Chi Minh City (SGN) in August 2025 (see full year).

Return flights

21 Aug - 16 Sep	Air Canada
30 Aug - 29 Sep	Air Canada
30 Aug - 03 Sep	Air Canada
28 Aug - 04 Sep	Air Canada
31 Aug - 07 Sep	Air Canada
27 Aug - 03 Sep	Air Canada
30 Aug - 06 Sep	Air Canada
16 Aug - 22 Sep	Air Canada
29 Aug - 05 Sep	Air Canada
25 Aug - 30 Sep	Porter Airlines (Canada) Ltd
24 Aug - 31 Aug	Porter Airlines (Canada) Ltd
23 Aug - 30 Aug	Porter Airlines (Canada) Ltd
22 Aug - 29 Aug	Porter Airlines (Canada) Ltd
20 Aug - 27 Aug	Qatar Airways
19 Aug - 28 Aug	Porter Airlines (Canada) Ltd
21 Aug - 28 Aug	Porter Airlines (Canada) Ltd
18 Aug - 25 Aug	Emirates
19 Aug - 26 Aug	Emirates
17 Aug - 24 Aug	Turkish Airlines

Also check the deals for one-way flights from Montreal to Ho Chi Minh City 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 Ho Chi Minh City in August from 907€

Return flights