Detroit to Seattle
DTWSEA
Fly from Detroit to Seattle starting at USD 145 with Frontier Airlines.
Best fare available on Aug 4, 2026.
Limited seats. Better plans. Book before it's gone.
Detroit to Seattle cheapest flights this week
Detroit to Seattle monthly flight fare trend
May
from USD 113
Jun
No flights
Jul
No flights
Aug
from USD 145
Sep
No flights
Oct
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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