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

Return flights

04 Dec - 26 Jan	Qatar Airways
02 Dec - 30 Dec	Qatar Airways
29 Dec - 29 Jan	Qatar Airways
29 Dec - 15 Jan	Qatar Airways
25 Dec - 01 Jan	Qatar Airways
16 Dec - 26 Dec	Qatar Airways
22 Dec - 11 Jan	Qatar Airways
21 Dec - 15 Jan	Qatar Airways
20 Dec - 10 Jan	Qatar Airways
19 Dec - 03 Jan	Qatar Airways
19 Dec - 10 Jan	Qatar Airways
21 Dec - 10 Jan	Qatar Airways

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 $1775

Return flights