Cheapest return flights from Porto to Kathmandu in September from 1095€

Best time to book flights for Porto (OPO) to Kathmandu (KTM) flights at AirHint

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

Return flights

04 Sep - 11 Sep Qatar Airways
14 Sep - 24 Sep Qatar Airways

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

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.

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