AirHint found the following cheapest return flights from Toronto (YYZ) to Bangkok (BKK) in October 2025 (see full year).

Return flights

06 Oct - 28 Oct	Philippine Airlines
06 Oct - 24 Oct	Philippine Airlines
06 Oct - 13 Oct	Philippine Airlines
31 Oct - 10 Nov	WestJet
31 Oct - 17 Nov	WestJet
29 Oct - 10 Nov	Flair Airlines
29 Oct - 20 Nov	Flair Airlines
29 Oct - 17 Nov	Flair Airlines
18 Oct - 30 Oct	WestJet
31 Oct - 30 Nov	WestJet
31 Oct - 19 Nov	WestJet
31 Oct - 16 Nov	WestJet
29 Oct - 19 Nov	Flair Airlines
30 Oct - 11 Nov	Flair Airlines
23 Oct - 26 Oct	WestJet
20 Oct - 30 Oct	WestJet
18 Oct - 21 Oct	WestJet
24 Oct - 27 Oct	WestJet
13 Oct - 30 Oct	WestJet
17 Oct - 27 Oct	WestJet

Also check the deals for one-way flights from Toronto to Bangkok in October.

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 Bangkok in October from $624

Return flights