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

Return flights

05 Dec - 15 Dec	Norse Atlantic Airways (UK)
30 Dec - 22 Jan	Turkish Airlines
08 Dec - 19 Jan	Norse Atlantic Airways (UK)
15 Dec - 24 Dec	Norse Atlantic Airways
02 Dec - 14 Jan	Norse Atlantic Airways
31 Dec - 16 Jan	Cathay Pacific
07 Dec - 11 Jan	LEVEL
01 Dec - 10 Jan	Norse Atlantic Airways
30 Dec - 16 Jan	jetBlue
10 Dec - 07 Jan	Norse Atlantic Airways (UK)
15 Dec - 15 Jan	Norse Atlantic Airways
16 Dec - 16 Jan	Norse Atlantic Airways
15 Dec - 30 Dec	Norse Atlantic Airways
13 Dec - 28 Dec	Air Europa
11 Dec - 27 Dec	Turkish Airlines
03 Dec - 31 Dec	Cathay Pacific
13 Dec - 20 Dec	Cathay Pacific

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 $944

Return flights