AirHint found the following cheapest return flights from Montreal (YUL) to Bangkok (BKK) in October 2026 (see full year).

Return flights

06 Oct - 27 Oct	United
06 Oct - 20 Oct	United
01 Oct - 07 Oct	United
06 Oct - 13 Oct	United
21 Oct - 11 Nov	United
14 Oct - 21 Oct	United
01 Oct - 15 Oct	United
27 Oct - 17 Nov	United
27 Oct - 03 Nov	United
28 Oct - 04 Nov	United
29 Oct - 05 Nov	United
28 Oct - 18 Nov	United
21 Oct - 28 Oct	United
21 Oct - 04 Nov	United
05 Oct - 11 Oct	United
06 Oct - 18 Oct	United
01 Oct - 08 Oct	United
14 Oct - 04 Nov	Air Canada
26 Oct - 02 Nov	Air Canada
20 Oct - 10 Nov	Air Canada

Also check the deals for one-way flights from Montreal 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 Montreal to Bangkok in October from 720€

Return flights