Detroit to Seattle
DTWSEA
Fly from Detroit to Seattle starting at USD 141 with Frontier Airlines.
Best fare available on Sep 11, 2026.
Limited seats. Better plans. Book before it's gone.
Detroit to Seattle cheapest flights this week
Detroit to Seattle monthly flight fare trend
Jul
No flights
Aug
from USD 145
Sep
from USD 141
Oct
No flights
Nov
No flights
Dec
No flights
Airport Details
Origin
Detroit
Detroit Metropolitan Wayne County Airport (DTW)
Detroit, DTW
Zone
Detroit
Elev
645 ft
Destination
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
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