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

Return flights

04 May - 02 Jun	WestJet
04 May - 14 May	United
04 May - 11 May	United
06 May - 19 May	Etihad Airways
11 May - 21 May	Flair Airlines
05 May - 26 May	Etihad Airways
23 May - 30 May	Etihad Airways
22 May - 30 May	Etihad Airways
25 May - 30 May	Etihad Airways
01 May - 11 May	Etihad Airways
11 May - 11 Jun	WestJet
02 May - 02 Jun	Etihad Airways
07 May - 18 May	WestJet
01 May - 01 Jun	Etihad Airways
16 May - 06 Jun	EVA Air
10 May - 03 Jun	Cathay Pacific
03 May - 03 Jun	Qatar Airways
05 May - 03 Jun	Qatar Airways
25 May - 01 Jun	Etihad Airways
27 May - 06 Jun	Etihad Airways

Also check the deals for one-way flights from Toronto 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 Toronto to Bangkok in May from $899

Return flights