AirHint found the following cheapest return flights from Toronto (YYZ) to Ho Chi Minh City (SGN) in September 2025 (see full year).

Return flights

23 Sep - 29 Oct	WestJet
17 Sep - 23 Sep	WestJet
16 Sep - 28 Oct	WestJet
18 Sep - 29 Sep	WestJet
17 Sep - 24 Sep	WestJet
13 Sep - 17 Oct	Porter Airlines (Canada) Ltd
04 Sep - 29 Sep	WestJet
15 Sep - 23 Sep	Porter Airlines (Canada) Ltd
14 Sep - 21 Sep	Porter Airlines (Canada) Ltd
22 Sep - 29 Sep	WestJet
02 Sep - 16 Sep	WestJet
04 Sep - 19 Sep	WestJet
19 Sep - 25 Oct	WestJet
22 Sep - 30 Sep	Porter Airlines (Canada) Ltd
02 Sep - 20 Oct	Air Canada
12 Sep - 11 Oct	China Eastern
30 Sep - 07 Oct	WestJet
30 Sep - 24 Oct	Flair Airlines
30 Sep - 17 Oct	Flair Airlines
27 Sep - 06 Oct	Philippine Airlines

Also check the deals for one-way flights from Toronto to Ho Chi Minh City in September.

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 Toronto to Ho Chi Minh City in September from 683€

Return flights