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TKS to BFI: distance & flight time
Tokushima (Tokushima Airport/JMSDF Air Base) → Seattle (Boeing Field King County International Airport)
5,065 mi
8,151 km · 4,401 nm
10h 24m
estimated nonstop flight time
-16h
time difference · heading northeast
See live TKS→BFI fares Phone-only fares on this route — call free
Flight time details
5,065 miles nonstop takes roughly 10h 24m 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
- TKS — Tokushima Airport/JMSDF Air Base · Tokushima, 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 TKS
- TAK · Takamatsu Airport34 mi away
- KIX · Kansai International Airport42 mi away
- UKB · Kobe Airport49 mi away
- SHM · Nanki Shirahama Airport54 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 TKS from BFI?
The flight distance from Tokushima (TKS) to Seattle (BFI) is 5,065 miles (8,151 km, 4,401 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TKS to BFI?
A nonstop flight takes about 10h 24m 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 Tokushima and Seattle?
Seattle is 16 hours behind Tokushima.
What is the cheapest way to fly from TKS to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TKS–BFI that never appear on search engines, with no booking fees.