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BFI to GIU: distance & flight time
Seattle (Boeing Field King County International Airport) → Sigiriya (Sigiriya Air Force Base)
8,352 mi
13,442 km · 7,258 nm
16h 51m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live BFI→GIU fares Phone-only fares on this route — call free
Flight time details
8,352 miles nonstop takes roughly 16h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- GIU — Sigiriya Air Force Base · Sigiriya, Sri Lanka
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 GIU
- HIM · Hingurakgoda Air Force Base18 mi away
- ACJ · Anuradhapura Air Force Base31 mi away
- TRR · China Bay Airport51 mi away
- BTC · Batticaloa Airport67 mi away
Frequently asked questions
How far is BFI from GIU?
The flight distance from Seattle (BFI) to Sigiriya (GIU) is 8,352 miles (13,442 km, 7,258 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to GIU?
A nonstop flight takes about 16h 51m 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 Sigiriya?
Sigiriya is 12.5 hours ahead of Seattle.
What is the cheapest way to fly from BFI to GIU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–GIU that never appear on search engines, with no booking fees.