Cheapest return flights from Boston to Kathmandu in August from 716€

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

Return flights

24 Aug - 08 Sep Cathay Pacific
21 Aug - 06 Sep Cathay Pacific
04 Aug - 09 Aug Etihad Airways
09 Aug - 24 Aug Etihad Airways
01 Aug - 09 Aug SWISS
04 Aug - 16 Aug Cathay Pacific

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

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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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