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BFI to SDS: distance & flight time
Seattle (Boeing Field King County International Airport) → Sado (Sado Airport)
4,722 mi
7,600 km · 4,104 nm
9h 44m
estimated nonstop flight time
+16h
time difference · heading northwest
See live BFI→SDS fares Phone-only fares on this route — call free
Flight time details
4,722 miles nonstop takes roughly 9h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- SDS — Sado Airport · Sado, Japan
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.
Near BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Near SDS
- KIJ · Niigata Airport39 mi away
- SYO · Shonai Airport91 mi away
- NTQ · Noto Airport95 mi away
- GAJ · Yamagata Airport109 mi away
Frequently asked questions
How far is BFI from SDS?
The flight distance from Seattle (BFI) to Sado (SDS) 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 BFI to SDS?
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 Seattle and Sado?
Sado is 16 hours ahead of Seattle.
What is the cheapest way to fly from BFI to SDS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–SDS that never appear on search engines, with no booking fees.