Need help booking?
Unpublished phone-only deals available
BFI to KMG: distance & flight time
Seattle (Boeing Field King County International Airport) → Kunming (Kunming Changshui International Airport)
6,685 mi
10,759 km · 5,809 nm
13h 35m
estimated nonstop flight time
+15h
time difference · heading northwest
See live BFI→KMG fares Phone-only fares on this route — call free
Flight time details
6,685 miles nonstop takes roughly 13h 35m 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
- KMG — Kunming Changshui International Airport · Kunming, 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 KMG
- YUA · Yuanmou Air Base79 mi away
- PZI · Bao'anying Airport122 mi away
- ACX · Xingyi Airport127 mi away
Frequently asked questions
How far is BFI from KMG?
The flight distance from Seattle (BFI) to Kunming (KMG) is 6,685 miles (10,759 km, 5,809 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to KMG?
A nonstop flight takes about 13h 35m 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 Kunming?
Kunming is 15 hours ahead of Seattle.
What is the cheapest way to fly from BFI to KMG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–KMG that never appear on search engines, with no booking fees.