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BFI to DCI: distance & flight time
Seattle (Boeing Field King County International Airport) → Decimomannu (Decimomannu Air Base)
5,729 mi
9,220 km · 4,978 nm
11h 42m
estimated nonstop flight time
+9h
time difference · heading northeast
See live BFI→DCI fares Phone-only fares on this route — call free
Flight time details
5,729 miles nonstop takes roughly 11h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- DCI — Decimomannu Air Base · Decimomannu, Italy
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 DCI
- CAG · Cagliari Elmas Airport8 mi away
- FNU · Oristano-Fenosu Airport41 mi away
- TTB · Tortolì Airport54 mi away
- AHO · Alghero-Fertilia Airport95 mi away
Frequently asked questions
How far is BFI from DCI?
The flight distance from Seattle (BFI) to Decimomannu (DCI) is 5,729 miles (9,220 km, 4,978 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to DCI?
A nonstop flight takes about 11h 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 Decimomannu?
Decimomannu is 9 hours ahead of Seattle.
What is the cheapest way to fly from BFI to DCI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–DCI that never appear on search engines, with no booking fees.