Cheapest return flights from San Francisco to Kathmandu in September from 843€

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

Return flights

12 Sep - 19 Sep China Southern
16 Sep - 24 Sep China Southern
24 Sep - 09 Oct Cathay Pacific
13 Sep - 20 Sep IndiGo
30 Sep - 11 Oct Cathay Pacific
25 Sep - 14 Oct Cathay Pacific
19 Sep - 11 Oct Cathay Pacific

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

Skyscanner

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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