Flights to San Juan Islands from Detroit - ￥18,980

View ￥18,980 flight on Tue, Aug 19, 2025Opens in a new window

Popular airlines from Detroit to San Juan Islands

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Cheap Flights from Detroit to San Juan Islands (DTT-SEA)

Prices were available within the past 7 days and start at ￥18,980 for one-way flights and ￥29,160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 19 - Tue, Aug 26
DTW
Detroit
SEA
Seattle
￥29,160 Roundtrip, found 15 hours ago
￥29,160
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, Aug 19 from Detroit to Seattle, returning Tue, Aug 26, priced at ￥29,160 found 15 hours ago
Delta
Tue, Aug 19 - Tue, Aug 26
DTW
Detroit
SEA
Seattle
￥30,600 Roundtrip, found 15 hours ago
￥30,600
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, Aug 19 from Detroit to Seattle, returning Tue, Aug 26, priced at ￥30,600 found 15 hours ago
American Airlines
Tue, Aug 19 - Tue, Aug 26
DTW
Detroit
SEA
Seattle
￥32,040 Roundtrip, found 15 hours ago
￥32,040
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Detroit to Seattle, returning Tue, Aug 26, priced at ￥32,040 found 15 hours ago
American Airlines
Tue, Aug 19 - Tue, Aug 26
DTW
Detroit
SEA
Seattle
￥35,800 Roundtrip, found 15 hours ago
￥35,800
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Detroit to Seattle, returning Tue, Aug 26, priced at ￥35,800 found 15 hours ago
Delta
Sun, Aug 31 - Sat, Sep 6
DTW
Detroit
SEA
Seattle
￥38,080 Roundtrip, found 1 hour ago
￥38,080
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Aug 31 from Detroit to Seattle, returning Sat, Sep 6, priced at ￥38,080 found 1 hour ago
United
Sun, Aug 31 - Sat, Sep 6
DTW
Detroit
SEA
Seattle
￥44,620 Roundtrip, found 1 hour ago
￥44,620
Roundtrip
found 1 hour ago
Select United flight, departing Sun, Aug 31 from Detroit to Seattle, returning Sat, Sep 6, priced at ￥44,620 found 1 hour ago
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