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CFK to BFI: distance & flight time
Ech-cheliff (Ech Cheliff Airport) → Seattle (Boeing Field King County International Airport)
5,686 mi
9,151 km · 4,941 nm
11h 37m
estimated nonstop flight time
-8h
time difference · heading northwest
See live CFK→BFI fares Phone-only fares on this route — call free
Flight time details
5,686 miles nonstop takes roughly 11h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- CFK — Ech Cheliff Airport · Ech-cheliff, Algeria
- 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 CFK
- TID · Bou Chekif Airport61 mi away
- QLD · Blida Airport85 mi away
- MUW · Ghriss Airport96 mi away
- ALG · Houari Boumediene Airport110 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 CFK from BFI?
The flight distance from Ech-cheliff (CFK) to Seattle (BFI) is 5,686 miles (9,151 km, 4,941 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CFK to BFI?
A nonstop flight takes about 11h 37m 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 Ech-cheliff and Seattle?
Seattle is 8 hours behind Ech-cheliff.
What is the cheapest way to fly from CFK to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CFK–BFI that never appear on search engines, with no booking fees.