Direct (nonstop) flights from Hong Kong to Seattle
1 airline flys nonstop from Hong Kong International Airport (HKG) to Seattle Tacoma International (SEA). It's 6,499 miles (10,459 km), about 11h 40m in the air. Operated by Cathay Pacific.
Cathay Pacific
Route data last updated: May 30, 2026
Airlines with non-stop flights
CX
Cathay Pacific
Alternative Routes
Other ways to fly from Hong Kong to Seattle with one stop · direct emits 994 kg CO₂ per passenger
Looking for the return flight?
SEA → HKG: Flights from Seattle to Hong KongOther direct flights from Hong Kong
Direct flights from Seattle (SEA)
Frequently Asked Questions
How long is the direct flight from Hong Kong to Seattle?
A nonstop flight from Hong Kong (HKG) to Seattle (SEA) takes approximately 11 hours and 40 minutes. The distance is 6,499 miles (10,459 km).
Which airlines fly nonstop from Hong Kong to Seattle?
Just Cathay Pacific.
Is there a nonstop flight from Hong Kong to Seattle?
Yes. 1 airline: Cathay Pacific.
How far is Hong Kong from Seattle?
The flight distance from Hong Kong to Seattle is 6,499 miles (10,459 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Tokyo.
What is the time difference between Hong Kong and Seattle?
Seattle is 15 hours behind Hong Kong. (Asia/Hong_Kong vs America/Los_Angeles.)
Will I experience jet lag flying from Hong Kong to Seattle?
Probably — 15-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying westward is generally easier to adjust to.
What type of aircraft flies from Hong Kong to Seattle?
At 11h 40m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from Hong Kong SAR to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Hong Kong to Seattle?
Roughly 994 kg CO2 per passenger one-way. That's about the same as driving 4,970 km.
Is the return flight from Seattle to Hong Kong also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Hong Kong to Seattle?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Hong Kong International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.