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BFI to SFA: distance & flight time
Seattle (Boeing Field King County International Airport) → Sfax (Sfax Thyna International Airport)
6,053 mi
9,742 km · 5,260 nm
12h 20m
estimated nonstop flight time
+8h
time difference · heading northeast
See live BFI→SFA fares Phone-only fares on this route — call free
Flight time details
6,053 miles nonstop takes roughly 12h 20m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- SFA — Sfax Thyna International Airport · Sfax, Tunisia
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 SFA
Frequently asked questions
How far is BFI from SFA?
The flight distance from Seattle (BFI) to Sfax (SFA) is 6,053 miles (9,742 km, 5,260 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to SFA?
A nonstop flight takes about 12h 20m 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 Sfax?
Sfax is 8 hours ahead of Seattle.
What is the cheapest way to fly from BFI to SFA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–SFA that never appear on search engines, with no booking fees.