Book a trip from Seattle to Kathmandu with Cathay Pacific , fares from USD1,339

DISCOUNT CODE (OPTIONAL)

Fly Cathay Pacific from Seattle (SEA) to Kathmandu (KTM). Enjoy award-winning service, entertainment, and an enhanced menu for Premium Economy and Business Class during your flight. Book direct to secure our best fare and join as a Cathay Pacific Member to earn Status Points or Miles.

Deals on Seattle (SEA) to Kathmandu (KTM) flights

Apr 2026
FromUSD1,614*
Seen 21 hours ago
Round trip/Economy
May 2026
FromUSD1,349*
Seen 11 hours ago
Round trip/Economy
Jun 2026
FromUSD1,897*
Seen 9 hours ago
Round trip/Economy
USD1.3K
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    • RangeUSD1,349-USD8,292

    Best fares on flights found by others in the last 48 hours. (Please note that some fares may only apply when there are multiple travellers.)

    Book flights to Kathmandu KTM

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    Book flights to Kathmandu KTM
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Kathmandu (KTM)Round-trip
    /
    Economy    		12/05/2026 - 24/05/2026

    From

    USD1,473

    Seen 1 day ago

    Seattle (SEA)Kathmandu (KTM)Round-trip
    /
    Economy    		06/05/2026 - 22/05/2026

    From

    USD1,529

    Seen 1 day ago

    Seattle (SEA)Kathmandu (KTM)Round-trip
    /
    Economy    		11/08/2026 - 01/09/2026

    From

    USD1,339

    Seen 11 hours ago

    Seattle (SEA)Kathmandu (KTM)Round-trip
    /
    Economy    		04/05/2026 - 19/05/2026

    From

    USD1,349

    Seen 11 hours ago

    Seattle (SEA)Kathmandu (KTM)Round-trip
    /
    Economy    		29/04/2026 - 15/05/2026

    From

    USD1,614

    Seen 21 hours ago

    Book Business Class flights to Kathmandu - selected offers

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    All fares displayed include taxes and carrier-imposed surcharges. All fares, government taxes and fees, and surcharges are subject to change at any time. For ticket cancellations, where applicable, the Hong Kong Passenger Security Charge, the Hong Kong Air Passenger Departure Tax, and the Hong Kong International Airport Construction Fee will be refunded without any administration fees.