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BFI to OSF: distance & flight time
Seattle (Boeing Field King County International Airport) → Moscow (Ostafyevo International Airport)
5,222 mi
8,403 km · 4,537 nm
10h 42m
estimated nonstop flight time
+10h
time difference · heading north
See live BFI→OSF fares Phone-only fares on this route — call free
Flight time details
5,222 miles nonstop takes roughly 10h 42m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- OSF — Ostafyevo International Airport · Moscow, Russia
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 OSF
- VKO · Vnukovo International Airport11 mi away
- DME · Domodedovo International Airport17 mi away
- BKA · Bykovo Airport23 mi away
- ZIA · Zhukovsky International Airport25 mi away
Frequently asked questions
How far is BFI from OSF?
The flight distance from Seattle (BFI) to Moscow (OSF) is 5,222 miles (8,403 km, 4,537 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to OSF?
A nonstop flight takes about 10h 42m 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 Moscow?
Moscow is 10 hours ahead of Seattle.
What is the cheapest way to fly from BFI to OSF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–OSF that never appear on search engines, with no booking fees.