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BFI to CSX: distance & flight time
Seattle (Boeing Field King County International Airport) → Changcha (Changsha Huanghua International Airport)
6,173 mi
9,934 km · 5,364 nm
12h 34m
estimated nonstop flight time
+15h
time difference · heading northwest
See live BFI→CSX fares Phone-only fares on this route — call free
Flight time details
6,173 miles nonstop takes roughly 12h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- CSX — Changsha Huanghua International Airport · Changcha, China
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 CSX
- YIC · Yichun Mingyueshan Airport71 mi away
- HNY · Hengyang Nanyue Airport96 mi away
- CGD · Changde Airport108 mi away
- JGS · Jinggangshan Airport131 mi away
Frequently asked questions
How far is BFI from CSX?
The flight distance from Seattle (BFI) to Changcha (CSX) is 6,173 miles (9,934 km, 5,364 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to CSX?
A nonstop flight takes about 12h 34m 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 Changcha?
Changcha is 15 hours ahead of Seattle.
What is the cheapest way to fly from BFI to CSX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–CSX that never appear on search engines, with no booking fees.