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SOB to BFI: distance & flight time
Sármellék (Sármellék International Airport) → Seattle (Boeing Field King County International Airport)
5,483 mi
8,824 km · 4,765 nm
11h 13m
estimated nonstop flight time
-9h
time difference · heading northwest
See live SOB→BFI fares Phone-only fares on this route — call free
Flight time details
5,483 miles nonstop takes roughly 11h 13m 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
- SOB — Sármellék International Airport · Sármellék, Hungary
- 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 SOB
- TZR · Taszár Air Base41 mi away
- MBX · Maribor Airport71 mi away
- PEV · Pécs-Pogány Airport71 mi away
- ZAG · Zagreb Airport83 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 SOB from BFI?
The flight distance from Sármellék (SOB) to Seattle (BFI) is 5,483 miles (8,824 km, 4,765 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOB to BFI?
A nonstop flight takes about 11h 13m 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 Sármellék and Seattle?
Seattle is 9 hours behind Sármellék.
What is the cheapest way to fly from SOB to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOB–BFI that never appear on search engines, with no booking fees.