AirHint found the following cheapest return flights from Ottawa (YOW) to Bangkok (BKK) in November 2025 (see full year).

Return flights

25 Nov - 08 Dec	WestJet
20 Nov - 27 Nov	WestJet
20 Nov - 29 Nov	WestJet
11 Nov - 23 Nov	WestJet
05 Nov - 25 Nov	Porter Airlines (Canada) Ltd
19 Nov - 10 Dec	Porter Airlines (Canada) Ltd
02 Nov - 23 Nov	Porter Airlines (Canada) Ltd
07 Nov - 29 Nov	WestJet

Also check the deals for one-way flights from Ottawa to Bangkok in November.

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 Ottawa to Bangkok in November from $847

Return flights