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

Return flights

06 May - 13 May	United
05 May - 12 May	United
12 May - 19 May	United
05 May - 27 May	United
10 May - 17 May	United
20 May - 27 May	United
25 May - 01 Jun	United
13 May - 20 May	Turkish Airlines
08 May - 15 May	Turkish Airlines
11 May - 18 May	United
17 May - 24 May	United
26 May - 02 Jun	United
05 May - 09 Jun	United
31 May - 07 Jun	United
07 May - 12 Jun	United
08 May - 11 Jun	Air France
07 May - 11 Jun	Air France
09 May - 13 Jun	Air France
28 May - 04 Jun	Air France
30 May - 06 Jun	Air France

Also check the deals for one-way flights from Montreal to Bangkok in May.

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 May from 787€

Return flights