HKG to SEA Route Guide
Hong Kong, China → Seattle, United States
Quick answer
VHHH (Hong Kong, China) to KSEA (Seattle, United States) is a 5,638 NM (10,442 km / 6,488 mi) great-circle route with an initial bearing of 34° (NE). Typical cruise altitude FL410, expected flight time 12h 15m, common aircraft: Boeing 777-300ER, Airbus A350-900, Boeing 787-9.
Distance
5,638 NM
10,442 km / 6,488 mi
Initial Bearing
34° (NE)
True heading at departure
Typical Cruise
FL410
41,000 ft
Block Time
12h 15m
Typical jet, no wind correction
Fuel Estimate
18,414 kg
Single-aisle equivalent + reserve
Departure Elevation
28 ft
VHHH
Arrival Elevation
433 ft
KSEA
What aircraft fly this route?
For a 5,638 NM mission, operators typically deploy:
- Boeing 777-300ER
- Airbus A350-900
- Boeing 787-9
- Airbus A330-900neo
Weather considerations
Pilots flying HKG-SEA should brief METARs and TAFs at both ends, plus any en-route SIGMETs. On this long-range mission, plan for an alternate within fuel reserves and review oceanic / NAT track procedures if applicable.
Frequently asked questions
What is the distance between HKG and SEA?
5,638 nautical miles (10,442 km / 6,488 statute miles) great-circle.
How long is the flight from Hong Kong to Seattle?
Approximately 12h 15m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly HKG-SEA?
Common types include Boeing 777-300ER, Airbus A350-900, Boeing 787-9, Airbus A330-900neo depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL410 (41,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
34° true (NE). Track varies along the route due to great-circle curvature.
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