Cheap Flights from Detroit to Bellevue

View €148 flight on Mon, 11 Aug 2025Opens in a new window

Popular airlines from Detroit to Bellevue

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Cheap flights from Detroit to Bellevue (DTT-SEA)

Prices were available within the past 7 days and start at €148 for one-way flights and €272 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 16 Aug - Fri, 22 Aug
DTW
Detroit
SEA
Seattle
€272 Return, found 18 hours ago
€272
Return
found 18 hours ago
Select American Airlines flight, departing Sat, 16 Aug from Detroit to Seattle, returning Fri, 22 Aug, priced at €272 found 18 hours ago
American Airlines
Mon, 11 Aug - Wed, 20 Aug
DTW
Detroit
SEA
Seattle
€275 Return, found 6 days ago
€275
Return
found 6 days ago
Select American Airlines flight, departing Mon, 11 Aug from Detroit to Seattle, returning Wed, 20 Aug, priced at €275 found 6 days ago
Delta
Sat, 16 Aug - Fri, 22 Aug
DTW
Detroit
SEA
Seattle
€276 Return, found 18 hours ago
€276
Return
found 18 hours ago
Select Delta flight, departing Sat, 16 Aug from Detroit to Seattle, returning Fri, 22 Aug, priced at €276 found 18 hours ago
Delta
Sat, 16 Aug - Fri, 22 Aug
DTW
Detroit
SEA
Seattle
€285 Return, found 18 hours ago
€285
Return
found 18 hours ago
Select Delta flight, departing Sat, 16 Aug from Detroit to Seattle, returning Fri, 22 Aug, priced at €285 found 18 hours ago
United
Mon, 11 Aug - Wed, 20 Aug
DTW
Detroit
SEA
Seattle
€330 Return, found 6 days ago
€330
Return
found 6 days ago
Select United flight, departing Mon, 11 Aug from Detroit to Seattle, returning Wed, 20 Aug, priced at €330 found 6 days ago
JetBlue Airways
Wed, 16 Jul - Sun, 20 Jul
DTW
Detroit
SEA
Seattle
€536 Return, found 6 days ago
€536
Return
found 6 days ago
Select JetBlue Airways flight, departing Wed, 16 Jul from Detroit to Seattle, returning Sun, 20 Jul, priced at €536 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 €119 - €321 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.