Cheap flights from Seattle to Belle Isle

View AU$182 flight on Sun, 7 Sep. 2025Opens in a new window

Popular airlines from Seattle to Belle Isle

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle (SEA) to Belle Isle (DTT)

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.

Alaska Airlines
Wed, 10 Sep. - Sun, 14 Sep.
SEA
Seattle
DTW
Detroit
AU$411 Return, found 1 day ago
AU$411
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 10 Sep. from Seattle to Detroit, returning Sun, 14 Sep., priced at AU$411 found 1 day ago
Delta
Wed, 10 Sep. - Sun, 14 Sep.
SEA
Seattle
DTW
Detroit
AU$504 Return, found 1 day ago
AU$504
Return
found 1 day ago
Select Delta flight, departing Wed, 10 Sep. from Seattle to Detroit, returning Sun, 14 Sep., priced at AU$504 found 1 day ago
Delta
Wed, 10 Sep. - Sun, 14 Sep.
SEA
Seattle
DTW
Detroit
AU$519 Return, found 1 day ago
AU$519
Return
found 1 day ago
Select Delta flight, departing Wed, 10 Sep. from Seattle to Detroit, returning Sun, 14 Sep., priced at AU$519 found 1 day ago
Alaska Airlines
Wed, 10 Sep. - Sun, 14 Sep.
SEA
Seattle
DTW
Detroit
AU$539 Return, found 1 day ago
AU$539
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 10 Sep. from Seattle to Detroit, returning Sun, 14 Sep., priced at AU$539 found 1 day ago
United
Wed, 10 Sep. - Sun, 14 Sep.
SEA
Seattle
DTW
Detroit
AU$554 Return, found 1 day ago
AU$554
Return
found 1 day ago
Select United flight, departing Wed, 10 Sep. from Seattle to Detroit, returning Sun, 14 Sep., priced at AU$554 found 1 day ago
American Airlines
Wed, 10 Sep. - Sun, 14 Sep.
SEA
Seattle
DTW
Detroit
AU$559 Return, found 1 day ago
AU$559
Return
found 1 day ago
Select American Airlines flight, departing Wed, 10 Sep. from Seattle to Detroit, returning Sun, 14 Sep., priced at AU$559 found 1 day ago

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

January is typically the cheapest month to fly

From AU$178 - AU$566 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.