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KAJ to BFI: distance & flight time
Kajaani (Kajaani Airport) → Seattle (Boeing Field King County International Airport)
4,542 mi
7,310 km · 3,947 nm
9h 22m
estimated nonstop flight time
-10h
time difference · heading north
See live KAJ→BFI fares Phone-only fares on this route — call free
Flight time details
4,542 miles nonstop takes roughly 9h 22m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- KAJ — Kajaani Airport · Kajaani, Finland
- 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 KAJ
- OUL · Oulu Airport82 mi away
- KUO · Kuopio Airport88 mi away
- YLI · Ylivieska Airfield91 mi away
- KAO · Kuusamo Airport126 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 KAJ from BFI?
The flight distance from Kajaani (KAJ) to Seattle (BFI) is 4,542 miles (7,310 km, 3,947 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KAJ to BFI?
A nonstop flight takes about 9h 22m 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 Kajaani and Seattle?
Seattle is 10 hours behind Kajaani.
What is the cheapest way to fly from KAJ to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KAJ–BFI that never appear on search engines, with no booking fees.