Cheapest return flights from Seattle to Kathmandu in April from $947

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

Return flights

14 Apr - 29 May Cathay Pacific
14 Apr - 21 Apr Hawaiian Airlines
14 Apr - 24 Apr Hawaiian Airlines
24 Apr - 03 May Korean Air
08 Apr - 23 Apr Cathay Pacific
09 Apr - 23 Apr Cathay Pacific
09 Apr - 25 Apr Hawaiian Airlines

Also check the deals for one-way flights from Seattle 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.