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

Return flights

21 Aug - 15 Sep	Korean Air
28 Aug - 25 Sep	Korean Air
26 Aug - 16 Sep	Korean Air
19 Aug - 11 Sep	Korean Air
26 Aug - 09 Sep	Korean Air
19 Aug - 02 Sep	Korean Air
20 Aug - 15 Sep	Korean Air
20 Aug - 16 Sep	Korean Air
19 Aug - 10 Sep	Korean Air
19 Aug - 16 Sep	Korean Air
19 Aug - 26 Aug	China Airlines
20 Aug - 27 Aug	China Airlines
06 Aug - 26 Aug	China Airlines
06 Aug - 25 Aug	China Airlines
04 Aug - 25 Aug	China Airlines
18 Aug - 25 Aug	China Airlines
12 Aug - 26 Aug	China Airlines
05 Aug - 26 Aug	China Airlines
06 Aug - 31 Aug	STARLUX Airlines
02 Aug - 15 Aug	STARLUX 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 $718

Return flights