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

Return flights

05 May - 12 May	United
06 May - 13 May	United
11 May - 25 May	United
11 May - 18 May	United
01 May - 08 May	Turkish Airlines
10 May - 17 May	United
02 May - 09 May	United
13 May - 20 May	Turkish Airlines
08 May - 15 May	Turkish Airlines
20 May - 27 May	Turkish Airlines
25 May - 01 Jun	Air France
28 May - 04 Jun	Air France
30 May - 06 Jun	Air France
31 May - 07 Jun	KLM
27 May - 03 Jun	Air France
29 May - 05 Jun	Turkish Airlines
30 May - 23 Jun	Air France
26 May - 02 Jun	KLM
29 May - 12 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