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HKG to BFI: distance & flight time

Hong Kong (Hong Kong International Airport) → Seattle (Boeing Field King County International Airport)

6,485 mi
10,437 km · 5,635 nm
13h 11m
estimated nonstop flight time
-15h
time difference · heading northeast
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Flight time details

6,485 miles nonstop takes roughly 13h 11m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.

The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.

Frequently asked questions

How far is HKG from BFI?

The flight distance from Hong Kong (HKG) to Seattle (BFI) is 6,485 miles (10,437 km, 5,635 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from HKG to BFI?

A nonstop flight takes about 13h 11m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between Hong Kong and Seattle?

Seattle is 15 hours behind Hong Kong.

What is the cheapest way to fly from HKG to BFI?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HKG–BFI that never appear on search engines, with no booking fees.
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