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

Return flights

26 Aug - 02 Sep	Korean Air
26 Aug - 09 Sep	Korean Air
26 Aug - 08 Sep	Korean Air
26 Aug - 06 Sep	Korean Air
27 Aug - 30 Sep	Korean Air
30 Aug - 21 Sep	China Airlines
26 Aug - 20 Sep	China Airlines
20 Aug - 11 Sep	China Airlines
26 Aug - 05 Sep	China Airlines
25 Aug - 16 Sep	Korean Air
21 Aug - 28 Aug	China Airlines
24 Aug - 28 Aug	China Airlines
22 Aug - 30 Aug	China Airlines
29 Aug - 31 Aug	China Airlines
24 Aug - 30 Aug	China Airlines
23 Aug - 26 Aug	China Airlines
20 Aug - 27 Aug	China Airlines
23 Aug - 30 Aug	China Airlines
24 Aug - 27 Aug	China Airlines
24 Aug - 31 Aug	China Airlines

Also check the deals for one-way flights from Ontario 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 Ontario to Ho Chi Minh City in August from $739

Return flights