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BFI to ILZ: distance & flight time
Seattle (Boeing Field King County International Airport) → Žilina (Žilina Airport)
5,355 mi
8,618 km · 4,653 nm
10h 58m
estimated nonstop flight time
+9h
time difference · heading northeast
See live BFI→ILZ fares Phone-only fares on this route — call free
Flight time details
5,355 miles nonstop takes roughly 10h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- ILZ — Žilina Airport · Žilina, Slovakia
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 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
Near ILZ
- OSR · Ostrava Leos Janáček Airport39 mi away
- SLD · Sliač Airport47 mi away
- UHE · Kunovice Airport55 mi away
- PZY · Piešťany Airport55 mi away
Frequently asked questions
How far is BFI from ILZ?
The flight distance from Seattle (BFI) to Žilina (ILZ) is 5,355 miles (8,618 km, 4,653 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to ILZ?
A nonstop flight takes about 10h 58m 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 Seattle and Žilina?
Žilina is 9 hours ahead of Seattle.
What is the cheapest way to fly from BFI to ILZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–ILZ that never appear on search engines, with no booking fees.