Cheapest return flights from San Francisco to Kathmandu in April from $595

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

Return flights

13 Apr - 25 May Singapore Airlines
14 Apr - 19 May Singapore Airlines
19 Apr - 25 May Singapore Airlines
13 Apr - 18 May Singapore Airlines
20 Apr - 26 May Singapore Airlines
20 Apr - 25 May Singapore Airlines
15 Apr - 26 May Singapore Airlines
10 Apr - 18 May Singapore Airlines
16 Apr - 10 May Singapore Airlines
13 Apr - 13 May Singapore Airlines
09 Apr - 26 Apr Singapore Airlines
13 Apr - 20 Apr Air India

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

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.