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BFI to MMB: distance & flight time
Seattle (Boeing Field King County International Airport) → Memanbetsu (Memanbetsu Airport)
4,231 mi
6,808 km · 3,676 nm
8h 46m
estimated nonstop flight time
+16h
time difference · heading northwest
See live BFI→MMB fares Phone-only fares on this route — call free
Flight time details
4,231 miles nonstop takes roughly 8h 46m 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
- MMB — Memanbetsu Airport · Memanbetsu, 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 MMB
- SHB · Nakashibetsu Airport45 mi away
- MBE · Monbetsu Airport48 mi away
- KUH · Kushiro Airport58 mi away
- DEE · Mendeleyevo Airport76 mi away
Frequently asked questions
How far is BFI from MMB?
The flight distance from Seattle (BFI) to Memanbetsu (MMB) is 4,231 miles (6,808 km, 3,676 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to MMB?
A nonstop flight takes about 8h 46m 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 Memanbetsu?
Memanbetsu is 16 hours ahead of Seattle.
What is the cheapest way to fly from BFI to MMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–MMB that never appear on search engines, with no booking fees.