Need help booking?
Unpublished phone-only deals available
NGB to BFI: distance & flight time
Ninbo (Ningbo Lishe International Airport) → Seattle (Boeing Field King County International Airport)
5,790 mi
9,319 km · 5,032 nm
11h 49m
estimated nonstop flight time
-15h
time difference · heading northeast
See live NGB→BFI fares Phone-only fares on this route — call free
Flight time details
5,790 miles nonstop takes roughly 11h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- NGB — Ningbo Lishe International Airport · Ninbo, China
- BFI — Boeing Field King County International Airport · Seattle, United States
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 NGB
- HSN · Zhoushan Airport54 mi away
- HGH · Hangzhou Xiaoshan International Airport67 mi away
- HYN · Huangyan Luqiao Airport87 mi away
- YIW · Yiwu Airport92 mi away
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
Frequently asked questions
How far is NGB from BFI?
The flight distance from Ninbo (NGB) to Seattle (BFI) is 5,790 miles (9,319 km, 5,032 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NGB to BFI?
A nonstop flight takes about 11h 49m 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 Ninbo and Seattle?
Seattle is 15 hours behind Ninbo.
What is the cheapest way to fly from NGB to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NGB–BFI that never appear on search engines, with no booking fees.