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KTW to BFI: distance & flight time
Katowice (Katowice International Airport) → Seattle (Boeing Field King County International Airport)
5,287 mi
8,508 km · 4,594 nm
10h 50m
estimated nonstop flight time
-9h
time difference · heading northwest
See live KTW→BFI fares Phone-only fares on this route — call free
Flight time details
5,287 miles nonstop takes roughly 10h 50m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- KTW — Katowice International Airport · Katowice, Poland
- 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 KTW
- KRK · Kraków John Paul II International Airport41 mi away
- OSR · Ostrava Leos Janáček Airport69 mi away
- LCJ · Łódź Władysław Reymont Airport87 mi away
- ILZ · Žilina Airport88 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 KTW from BFI?
The flight distance from Katowice (KTW) to Seattle (BFI) is 5,287 miles (8,508 km, 4,594 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTW to BFI?
A nonstop flight takes about 10h 50m 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 Katowice and Seattle?
Seattle is 9 hours behind Katowice.
What is the cheapest way to fly from KTW to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTW–BFI that never appear on search engines, with no booking fees.