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

Return flights

29 Aug - 11 Sep	Porter Airlines (Canada) Ltd
31 Aug - 30 Sep	Emirates
28 Aug - 12 Sep	Emirates
14 Aug - 30 Sep	Emirates
29 Aug - 19 Sep	Emirates
29 Aug - 26 Sep	Emirates
23 Aug - 26 Sep	Emirates
11 Aug - 12 Sep	Emirates
14 Aug - 27 Sep	Emirates
06 Aug - 10 Sep	Emirates
01 Aug - 31 Aug	Emirates
06 Aug - 27 Aug	Emirates
07 Aug - 24 Aug	Emirates
05 Aug - 19 Aug	Emirates
05 Aug - 21 Aug	Emirates
02 Aug - 29 Aug	Emirates
04 Aug - 30 Aug	Emirates
09 Aug - 29 Aug	Emirates
09 Aug - 16 Aug	Emirates

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

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 August from $1190

Return flights