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SDS to BFI: distance & flight time

Sado (Sado Airport) → Seattle (Boeing Field King County International Airport)

4,722 mi
7,600 km · 4,104 nm
9h 44m
estimated nonstop flight time
-16h
time difference · heading northeast
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Flight time details

4,722 miles nonstop takes roughly 9h 44m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.

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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

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Frequently asked questions

How far is SDS from BFI?

The flight distance from Sado (SDS) to Seattle (BFI) is 4,722 miles (7,600 km, 4,104 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from SDS to BFI?

A nonstop flight takes about 9h 44m 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 Sado and Seattle?

Seattle is 16 hours behind Sado.

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

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDS–BFI that never appear on search engines, with no booking fees.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