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

One-Way flights

25 Aug	Delta
20 Aug	China Airlines
23 Aug	China Airlines
31 Aug	China Airlines
27 Aug	China Airlines
29 Aug	China Airlines
21 Aug	China Airlines
28 Aug	China Airlines
24 Aug	China Airlines
22 Aug	China Airlines

Also check the deals for return 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 one-way flights from Ontario to Ho Chi Minh City in August from 335€

One-Way flights