Cheapest return flights from San Francisco to Kathmandu in December from $1281

AirHint found the following cheapest return flights from San Francisco (SFO) to Kathmandu (KTM) in December 2025 (see full year).

Return flights

28 Dec - 12 Jan Air India
24 Dec - 22 Jan Air India
15 Dec - 15 Jan Aer Lingus
16 Dec - 15 Jan Air India
14 Dec - 15 Jan Frontier Airlines
14 Dec - 14 Jan Frontier Airlines
25 Dec - 28 Dec Air India
14 Dec - 21 Dec Alaska Airlines
14 Dec - 17 Jan Alaska Airlines
16 Dec - 12 Jan Qatar Airways
17 Dec - 24 Dec Cathay Pacific
20 Dec - 28 Dec Air India
22 Dec - 03 Jan Air India
20 Dec - 03 Jan Hawaiian Airlines

Also check the deals for one-way flights from San Francisco to Kathmandu in December.

Powered by

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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

Feel free to contact us with any feedback or request another flight research.