Cheapest return flights from Toronto to Kathmandu in September from $1074

AirHint found the following cheapest return flights from Toronto (YYZ) to Kathmandu (KTM) in September 2025 (see full year).

Return flights

09 Sep - 01 Oct Biman Bangladesh Airlines
11 Sep - 17 Oct Biman Bangladesh Airlines
11 Sep - 01 Oct Biman Bangladesh Airlines
10 Sep - 21 Oct Cathay Pacific
07 Sep - 06 Oct Cathay Pacific
03 Sep - 18 Sep Cathay Pacific
04 Sep - 11 Sep Cathay Pacific
23 Sep - 15 Oct Biman Bangladesh Airlines
25 Sep - 13 Oct Biman Bangladesh Airlines
25 Sep - 20 Oct Biman Bangladesh Airlines
20 Sep - 10 Oct Biman Bangladesh Airlines
05 Sep - 05 Oct Cathay Pacific
03 Sep - 24 Sep Qatar Airways
03 Sep - 19 Sep Cathay Pacific
02 Sep - 16 Sep Porter Airlines (Canada) Ltd
02 Sep - 18 Sep Qatar Airways
05 Sep - 21 Sep Qatar Airways
05 Sep - 26 Sep Cathay Pacific
01 Sep - 13 Sep Porter Airlines (Canada) Ltd
12 Sep - 27 Sep Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Toronto to Kathmandu in September.

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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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