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DTU to SEA: distance & flight time
Wudalianchi (Wudalianchi Dedu Airport) → Seattle (Seattle Tacoma International Airport)
4,648 mi
7,480 km · 4,039 nm
9h 35m
estimated nonstop flight time
—
time difference · heading northeast
See live DTU→SEA fares Phone-only fares on this route — call free
Flight time details
4,648 miles nonstop takes roughly 9h 35m 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
- SEA — Seattle Tacoma 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 SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is DTU from SEA?
The flight distance from Wudalianchi (DTU) to Seattle (SEA) is 4,648 miles (7,480 km, 4,039 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTU to SEA?
A nonstop flight takes about 9h 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 cheapest way to fly from DTU to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTU–SEA that never appear on search engines, with no booking fees.