Cheap flights from Detroit to Herron Island

View AU$214 flight on Tue, 28 Oct. 2025Opens in a new window

Popular airlines from Detroit to Herron Island

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Cheap Flights from Detroit (DTT) to Herron Island (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 4 Sep. - Thu, 11 Sep.
DTW
Detroit
SEA
Seattle
AU$490 Return, found 6 days ago
AU$490
Return
found 6 days ago
Select Delta flight, departing Thu, 4 Sep. from Detroit to Seattle, returning Thu, 11 Sep., priced at AU$490 found 6 days ago
Delta
Thu, 4 Sep. - Thu, 11 Sep.
DTW
Detroit
SEA
Seattle
AU$505 Return, found 6 days ago
AU$505
Return
found 6 days ago
Select Delta flight, departing Thu, 4 Sep. from Detroit to Seattle, returning Thu, 11 Sep., priced at AU$505 found 6 days ago
Alaska Airlines
Thu, 4 Sep. - Thu, 11 Sep.
DTW
Detroit
SEA
Seattle
AU$545 Return, found 6 days ago
AU$545
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 4 Sep. from Detroit to Seattle, returning Thu, 11 Sep., priced at AU$545 found 6 days ago

Find the cheapest month to fly from Detroit (DTT) to Seattle (SEA)

January is typically the cheapest month to fly

From AU$209 - AU$563 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.