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SYM to BFI: distance & flight time
Simao (Pu'er Simao Airport) → Seattle (Boeing Field King County International Airport)
6,885 mi
11,080 km · 5,983 nm
13h 58m
estimated nonstop flight time
-15h
time difference · heading northeast
See live SYM→BFI fares Phone-only fares on this route — call free
Flight time details
6,885 miles nonstop takes roughly 13h 58m 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
- SYM — Pu'er Simao Airport · Simao, 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 SYM
- JHG · Xishuangbanna Gasa Airport58 mi away
- JMJ · Lancang Jingmai Airport79 mi away
- LNJ · Lintsang Airfield88 mi away
- PCQ · Boun Neau Airport99 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 SYM from BFI?
The flight distance from Simao (SYM) to Seattle (BFI) is 6,885 miles (11,080 km, 5,983 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYM to BFI?
A nonstop flight takes about 13h 58m 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 Simao and Seattle?
Seattle is 15 hours behind Simao.
What is the cheapest way to fly from SYM to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYM–BFI that never appear on search engines, with no booking fees.