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BFI to BTC: distance & flight time
Seattle (Boeing Field King County International Airport) → Batticaloa (Batticaloa Airport)
8,348 mi
13,435 km · 7,255 nm
16h 50m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live BFI→BTC fares Phone-only fares on this route — call free
Flight time details
8,348 miles nonstop takes roughly 16h 50m 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
- BTC — Batticaloa Airport · Batticaloa, 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 BTC
- ADP · Ampara Airport26 mi away
- HIM · Hingurakgoda Air Force Base53 mi away
- TRR · China Bay Airport67 mi away
- GIU · Sigiriya Air Force Base67 mi away
Frequently asked questions
How far is BFI from BTC?
The flight distance from Seattle (BFI) to Batticaloa (BTC) is 8,348 miles (13,435 km, 7,255 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to BTC?
A nonstop flight takes about 16h 50m 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 Batticaloa?
Batticaloa is 12.5 hours ahead of Seattle.
What is the cheapest way to fly from BFI to BTC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–BTC that never appear on search engines, with no booking fees.