Cheapest return flights from Ontario to Kathmandu in April from $1190

AirHint found the following cheapest return flights from Ontario (ONT) to Kathmandu (KTM) in April 2026 (see full year).

Return flights

29 Apr - 27 May Qatar Airways
15 Apr - 02 May China Airlines
08 Apr - 18 May Qatar Airways

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

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