AirHint found the following cheapest return flights from San Francisco (SFO) to Kathmandu (KTM) in January 2026 (see full year).

Return flights

29 Jan - 22 Feb	Air India
30 Jan - 22 Feb	Air India
19 Jan - 03 Feb	China Southern
05 Jan - 21 Jan	Cathay Pacific
21 Jan - 15 Feb	Cathay Pacific
24 Jan - 01 Feb	Cathay Pacific
04 Jan - 19 Jan	Cathay Pacific
16 Jan - 25 Jan	Cathay Pacific
27 Jan - 25 Feb	Cathay Pacific
31 Jan - 15 Feb	Cathay Pacific
05 Jan - 14 Feb	Cathay Pacific
07 Jan - 13 Jan	Air India
04 Jan - 12 Jan	Air India

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

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 San Francisco to Kathmandu in January from 730€

Return flights