AirHint found the following cheapest return flights from New York (JFK) to Kathmandu (KTM) in December 2025 (see full year).

Return flights

01 Dec - 30 Dec	Air India
17 Dec - 13 Jan	Cathay Pacific
16 Dec - 13 Jan	Cathay Pacific
10 Dec - 11 Jan	Cathay Pacific
14 Dec - 10 Jan	Cathay Pacific
05 Dec - 01 Jan	Turkish Airlines
20 Dec - 11 Jan	Air India
20 Dec - 14 Jan	Air India

Also check the deals for one-way flights from New York to Kathmandu in December.

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 New York to Kathmandu in December from 1143€

Return flights