Cheapest return flights from Ontario to Kathmandu in August from $1332

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

Return flights

30 Aug - 14 Sep China Airlines
15 Aug - 30 Aug China Airlines
07 Aug - 15 Aug China Airlines
17 Aug - 31 Aug China Airlines
05 Aug - 12 Aug China Airlines
13 Aug - 06 Sep Air India
13 Aug - 16 Aug China Airlines
09 Aug - 25 Aug Qatar Airways
23 Aug - 06 Sep Qatar Airways
10 Aug - 26 Aug Qatar Airways
22 Aug - 29 Aug Qatar Airways

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

Skyscanner

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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

Feel free to contact us with any feedback or request another flight research.