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SHM to BFI: distance & flight time
Nanki-shirahama (Nanki Shirahama Airport) → Seattle (Boeing Field King County International Airport)
5,059 mi
8,141 km · 4,396 nm
10h 23m
estimated nonstop flight time
-16h
time difference · heading northeast
See live SHM→BFI fares Phone-only fares on this route — call free
Flight time details
5,059 miles nonstop takes roughly 10h 23m 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.
The two airports
- SHM — Nanki Shirahama Airport · Nanki-shirahama, Japan
- BFI — Boeing Field King County International Airport · Seattle, United States
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 SHM
- KIX · Kansai International Airport53 mi away
- TKS · Tokushima Airport/JMSDF Air Base54 mi away
- UKB · Kobe Airport68 mi away
- ITM · Osaka International Airport78 mi away
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
Frequently asked questions
How far is SHM from BFI?
The flight distance from Nanki-shirahama (SHM) to Seattle (BFI) is 5,059 miles (8,141 km, 4,396 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SHM to BFI?
A nonstop flight takes about 10h 23m 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 Nanki-shirahama and Seattle?
Seattle is 16 hours behind Nanki-shirahama.
What is the cheapest way to fly from SHM to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SHM–BFI that never appear on search engines, with no booking fees.