Book a trip from Seattle to Singapore with Cathay Pacific
Deals on Seattle (SEA) to Singapore (SIN) flights
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Flight Deals for Popular Routes on Cathay Pacific
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*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.
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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.