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DTU to BFI: distance & flight time
Wudalianchi (Wudalianchi Dedu Airport) → Seattle (Boeing Field King County International Airport)
4,644 mi
7,473 km · 4,035 nm
9h 34m
estimated nonstop flight time
—
time difference · heading northeast
See live DTU→BFI fares Phone-only fares on this route — call free
Flight time details
4,644 miles nonstop takes roughly 9h 34m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- DTU — Wudalianchi Dedu Airport · Wudalianchi, 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 DTU
- DQA · Saertu Airport126 mi away
- HEK · Heihe Airport131 mi away
- NDG · Qiqihar Sanjiazi Airport132 mi away
- LDS · Lindu Airport142 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 DTU from BFI?
The flight distance from Wudalianchi (DTU) to Seattle (BFI) is 4,644 miles (7,473 km, 4,035 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTU to BFI?
A nonstop flight takes about 9h 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 cheapest way to fly from DTU to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTU–BFI that never appear on search engines, with no booking fees.