Cheapest return flights from Seattle to Kathmandu in October from $902

AirHint found the following cheapest return flights from Seattle (SEA) to Kathmandu (KTM) in October 2026 (see full year).

Return flights

06 Oct - 25 Oct Cathay Pacific
22 Oct - 12 Nov Qatar Airways
13 Oct - 31 Oct Qatar Airways

Also check the deals for one-way flights from Seattle to Kathmandu in October.

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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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