Direct (nonstop) flights from Seattle to Hong Kong
1 airline flys nonstop from Seattle Tacoma International (SEA) to Hong Kong International Airport (HKG). It's 6,499 miles (10,459 km), about 13h 55m in the air. Operated by Cathay Pacific.
Cathay Pacific
Route data last updated: May 28, 2026
Airlines with non-stop flights
CX
Cathay Pacific
Alternative Routes
Other ways to fly from Seattle to Hong Kong with one stop · direct emits 994 kg CO₂ per passenger
Looking for the return flight?
HKG → SEA: Flights from Hong Kong to SeattleOther direct flights from Seattle
Direct flights from Hong Kong (HKG)
Frequently Asked Questions
How long is the direct flight from Seattle to Hong Kong?
A nonstop flight from Seattle (SEA) to Hong Kong (HKG) takes approximately 13 hours and 55 minutes. The distance is 6,499 miles (10,459 km).
Which airlines fly nonstop from Seattle to Hong Kong?
Just Cathay Pacific.
Is there a nonstop flight from Seattle to Hong Kong?
Yes. 1 airline: Cathay Pacific.
How far is Seattle from Hong Kong?
The flight distance from Seattle to Hong Kong 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 Seattle and Hong Kong?
Hong Kong is 15 hours ahead of Seattle. (America/Los_Angeles vs Asia/Hong_Kong.)
Will I experience jet lag flying from Seattle to Hong Kong?
Probably — 15-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.
What type of aircraft flies from Seattle to Hong Kong?
At 13h 55m, 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 USA to Hong Kong SAR?
Depends on your passport. Check with the Hong Kong SAR embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Seattle to Hong Kong?
Roughly 994 kg CO2 per passenger one-way. That's about the same as driving 4,970 km.
Is the return flight from Hong Kong to Seattle 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 Seattle to Hong Kong?
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 Seattle Tacoma International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.