Cheapest one-way flights from Ontario to Hanoi in September from 315€

AirHint found the following cheapest one-way flights from Ontario (ONT) to Hanoi (HAN) in September 2025 (see full year).

One-Way flights

08 Sep Delta
20 Sep China Airlines
18 Sep China Airlines
29 Sep China Airlines
02 Sep China Airlines
10 Sep China Airlines
17 Sep China Airlines
09 Sep China Airlines
04 Sep China Airlines
01 Sep China Airlines

Also check the deals for return flights from Ontario to Hanoi in September.

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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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