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BFI to CIU: distance & flight time
Seattle (Boeing Field King County International Airport) → Sault Ste Marie (Chippewa County International Airport)
1,771 mi
2,850 km · 1,539 nm
3h 56m
estimated nonstop flight time
+3h
time difference · heading east
See live BFI→CIU fares Phone-only fares on this route — call free
Flight time details
1,771 miles nonstop takes roughly 3h 56m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- CIU — Chippewa County International Airport · Sault Ste Marie, 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 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 CIU
- YAM · Sault Ste Marie Airport16 mi away
- DRE · Drummond Island Airport39 mi away
- PLN · Pellston Regional Airport of Emmet County Airport49 mi away
- GLR · Gaylord Regional Airport86 mi away
Frequently asked questions
How far is BFI from CIU?
The flight distance from Seattle (BFI) to Sault Ste Marie (CIU) is 1,771 miles (2,850 km, 1,539 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to CIU?
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 Seattle and Sault Ste Marie?
Sault Ste Marie is 3 hours ahead of Seattle.
What is the cheapest way to fly from BFI to CIU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–CIU that never appear on search engines, with no booking fees.