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WMI to BFI: distance & flight time
Warsaw (Modlin Airport) → Seattle (Boeing Field King County International Airport)
5,192 mi
8,356 km · 4,512 nm
10h 39m
estimated nonstop flight time
-9h
time difference · heading northwest
See live WMI→BFI fares Phone-only fares on this route — call free
Flight time details
5,192 miles nonstop takes roughly 10h 39m 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
- WMI — Modlin Airport · Warsaw, 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 WMI
- WAW · Warsaw Chopin Airport24 mi away
- SZY · Olsztyn-Mazury Airport72 mi away
- LCJ · Łódź Władysław Reymont Airport73 mi away
- RDO · Radom Airport77 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 WMI from BFI?
The flight distance from Warsaw (WMI) to Seattle (BFI) is 5,192 miles (8,356 km, 4,512 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WMI to BFI?
A nonstop flight takes about 10h 39m 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 Warsaw and Seattle?
Seattle is 9 hours behind Warsaw.
What is the cheapest way to fly from WMI to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WMI–BFI that never appear on search engines, with no booking fees.