Cheapest return flights from San Francisco to Kathmandu in May from $894

Best time to book flights for San Francisco (SFO) to Kathmandu (KTM) flights at AirHint

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

Return flights

03 May - 24 May Cathay Pacific
01 May - 18 May Cathay Pacific
13 May - 23 Jun Singapore Airlines
15 May - 26 May Singapore Airlines
01 May - 08 May China Eastern
26 May - 18 Jun SWISS
28 May - 16 Jun Lufthansa
28 May - 18 Jun Lufthansa
25 May - 16 Jun Singapore Airlines
25 May - 28 May Singapore Airlines
27 May - 16 Jun Lufthansa
29 May - 18 Jun Lufthansa
29 May - 16 Jun Lufthansa
23 May - 15 Jun Singapore Airlines
24 May - 16 Jun Singapore Airlines

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

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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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