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YKU to BFI: distance & flight time
Chisasibi (Chisasibi Airport) → Seattle (Boeing Field King County International Airport)
1,917 mi
3,085 km · 1,666 nm
4h 14m
estimated nonstop flight time
-3h
time difference · heading west
See live YKU→BFI fares Phone-only fares on this route — call free
Flight time details
1,917 miles nonstop takes roughly 4h 14m 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
- YKU — Chisasibi Airport · Chisasibi, 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 YKU
- YGL · La Grande Rivière Airport51 mi away
- YNC · Wemindji Airport55 mi away
- ZEM · Eastmain River Airport110 mi away
- YGW · Kuujjuarapik Airport112 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 YKU from BFI?
The flight distance from Chisasibi (YKU) to Seattle (BFI) is 1,917 miles (3,085 km, 1,666 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YKU to BFI?
A nonstop flight takes about 4h 14m 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 Chisasibi and Seattle?
Seattle is 3 hours behind Chisasibi.
What is the cheapest way to fly from YKU to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YKU–BFI that never appear on search engines, with no booking fees.