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XKS to BFI: distance & flight time
Kasabonika (Kasabonika Airport) → Seattle (Boeing Field King County International Airport)
1,519 mi
2,445 km · 1,320 nm
3h 27m
estimated nonstop flight time
-3h
time difference · heading west
See live XKS→BFI fares Phone-only fares on this route — call free
Flight time details
1,519 miles nonstop takes roughly 3h 27m 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
- XKS — Kasabonika Airport · Kasabonika, 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 XKS
- YAX · Wapekeka Airport44 mi away
- WNN · Wunnumin Lake Airport51 mi away
- YTL · Big Trout Lake Airport55 mi away
- SUR · Summer Beaver Airport57 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 XKS from BFI?
The flight distance from Kasabonika (XKS) to Seattle (BFI) is 1,519 miles (2,445 km, 1,320 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from XKS to BFI?
A nonstop flight takes about 3h 27m 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 Kasabonika and Seattle?
Seattle is 3 hours behind Kasabonika.
What is the cheapest way to fly from XKS to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on XKS–BFI that never appear on search engines, with no booking fees.