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RCO to BFI: distance & flight time
Rochefort (Rochefort-Saint-Agnant (BA 721) Airport) → Seattle (Boeing Field King County International Airport)
5,073 mi
8,164 km · 4,408 nm
10h 25m
estimated nonstop flight time
-9h
time difference · heading northwest
See live RCO→BFI fares Phone-only fares on this route — call free
Flight time details
5,073 miles nonstop takes roughly 10h 25m 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
- RCO — Rochefort-Saint-Agnant (BA 721) Airport · Rochefort, France
- 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 RCO
- RYN · Royan-Médis Airport18 mi away
- LRH · La Rochelle-Île de Ré Airport23 mi away
- CNG · Cognac-Châteaubernard (BA 709) Air Base36 mi away
- NIT · Niort-Souché Airport41 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 RCO from BFI?
The flight distance from Rochefort (RCO) to Seattle (BFI) is 5,073 miles (8,164 km, 4,408 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RCO to BFI?
A nonstop flight takes about 10h 25m 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 Rochefort and Seattle?
Seattle is 9 hours behind Rochefort.
What is the cheapest way to fly from RCO to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RCO–BFI that never appear on search engines, with no booking fees.