Need help booking?
Unpublished phone-only deals available
DTW to SEA: distance & flight time
Detroit (Detroit Metropolitan Wayne County Airport) → Seattle (Seattle Tacoma International Airport)
1,922 mi
3,093 km · 1,670 nm
4h 14m
estimated nonstop flight time
-3h
time difference · heading northwest
See live DTW→SEA fares Phone-only fares on this route — call free
Flight time details
1,922 miles nonstop takes roughly 4h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- DTW — Detroit Metropolitan Wayne County Airport · Detroit, United States
- 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 DTW
- YIP · Willow Run Airport9 mi away
- ARB · Ann Arbor Municipal Airport20 mi away
- YQG · Windsor Airport21 mi away
- DET · Coleman A. Young Municipal Airport22 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 DTW from SEA?
The flight distance from Detroit (DTW) to Seattle (SEA) is 1,922 miles (3,093 km, 1,670 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTW to SEA?
A nonstop flight takes about 4h 14m 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 Detroit and Seattle?
Seattle is 3 hours behind Detroit.
What is the cheapest way to fly from DTW to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTW–SEA that never appear on search engines, with no booking fees.