Seattle→Hong KongNonstop Flight TimeSEA–HKG

Seattle (Seattle-Tacoma International Airport) to Hong Kong (Hong Kong International Airport).

Direct flights from SEA to HKG have an estimated flight time of about 13h 58m, based on the 6,488-mile great-circle distance. Our current captured departure sample includes 1/day across 1 captured airline, with Cathay Pacific appearing most often in that sample. Captured departure times run from 12:25 to 12:25 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SEA to HKG, last seen June 15, 2026. Frequency uses 5 scheduled departures across 5 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.