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

Return flights

07 May - 31 May	Porter Airlines (Canada) Ltd
06 May - 05 Jun	Porter Airlines (Canada) Ltd
08 May - 31 May	Porter Airlines (Canada) Ltd
31 May - 06 Jun	WestJet
08 May - 30 May	Porter Airlines (Canada) Ltd
05 May - 16 Jun	Porter Airlines (Canada) Ltd
01 May - 11 Jun	WestJet
03 May - 03 Jun	Cathay Pacific
03 May - 10 May	Qatar Airways
03 May - 02 Jun	WestJet
01 May - 19 May	WestJet
01 May - 18 Jun	WestJet
03 May - 08 Jun	Qatar Airways
02 May - 29 May	Emirates

Also check the deals for one-way flights from Toronto to Kathmandu 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 Kathmandu in May from 1005€

Return flights