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QLF to BFI: distance & flight time
Vesivehmaa (Lahti Vesivehmaa Airport) → Seattle (Boeing Field King County International Airport)
4,719 mi
7,595 km · 4,101 nm
9h 43m
estimated nonstop flight time
-10h
time difference · heading northwest
See live QLF→BFI fares Phone-only fares on this route — call free
Flight time details
4,719 miles nonstop takes roughly 9h 43m gate to gate, flying northwest. 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
- QLF — Lahti Vesivehmaa Airport · Vesivehmaa, 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 QLF
- HYV · Hyvinkää Airfield43 mi away
- UTI · Utti Air Base45 mi away
- KEV · Halli Airport58 mi away
- HEL · Helsinki Vantaa Airport62 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 QLF from BFI?
The flight distance from Vesivehmaa (QLF) to Seattle (BFI) is 4,719 miles (7,595 km, 4,101 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from QLF to BFI?
A nonstop flight takes about 9h 43m 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 Vesivehmaa and Seattle?
Seattle is 10 hours behind Vesivehmaa.
What is the cheapest way to fly from QLF to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on QLF–BFI that never appear on search engines, with no booking fees.