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YAM to BFI: distance & flight time
Sault Sainte Marie (Sault Ste Marie Airport) → Seattle (Boeing Field King County International Airport)
1,764 mi
2,840 km · 1,533 nm
3h 56m
estimated nonstop flight time
-3h
time difference · heading west
See live YAM→BFI fares Phone-only fares on this route — call free
Flight time details
1,764 miles nonstop takes roughly 3h 56m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- YAM — Sault Ste Marie Airport · Sault Sainte Marie, Canada
- 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 YAM
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 YAM from BFI?
The flight distance from Sault Sainte Marie (YAM) to Seattle (BFI) is 1,764 miles (2,840 km, 1,533 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YAM to BFI?
A nonstop flight takes about 3h 56m 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 Sault Sainte Marie and Seattle?
Seattle is 3 hours behind Sault Sainte Marie.
What is the cheapest way to fly from YAM to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YAM–BFI that never appear on search engines, with no booking fees.