Cheap flights from Detroit to North Seattle

View AU$215 flight on Tue, 28 Oct. 2025Opens in a new window

Popular airlines from Detroit to North Seattle

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • 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 Detroit (DTT) to North Seattle (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
Sat, 30 Aug. - Sat, 6 Sep.
DTW
Detroit
SEA
Seattle
AU$395 Return, found 5 days ago
AU$395
Return
found 5 days ago
Select Delta flight, departing Sat, 30 Aug. from Detroit to Seattle, returning Sat, 6 Sep., priced at AU$395 found 5 days ago
Delta
Sat, 30 Aug. - Sat, 6 Sep.
DTW
Detroit
SEA
Seattle
AU$410 Return, found 5 days ago
AU$410
Return
found 5 days ago
Select Delta flight, departing Sat, 30 Aug. from Detroit to Seattle, returning Sat, 6 Sep., priced at AU$410 found 5 days ago
Delta
Sat, 30 Aug. - Sat, 6 Sep.
DTW
Detroit
SEA
Seattle
AU$425 Return, found 5 days ago
AU$425
Return
found 5 days ago
Select Delta flight, departing Sat, 30 Aug. from Detroit to Seattle, returning Sat, 6 Sep., priced at AU$425 found 5 days ago
Alaska Airlines
Sat, 30 Aug. - Sat, 6 Sep.
DTW
Detroit
SEA
Seattle
AU$456 Return, found 5 days ago
AU$456
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 30 Aug. from Detroit to Seattle, returning Sat, 6 Sep., priced at AU$456 found 5 days ago
American Airlines
Sat, 30 Aug. - Sat, 6 Sep.
DTW
Detroit
SEA
Seattle
AU$471 Return, found 5 days ago
AU$471
Return
found 5 days ago
Select American Airlines flight, departing Sat, 30 Aug. from Detroit to Seattle, returning Sat, 6 Sep., priced at AU$471 found 5 days ago
Delta
Thu, 4 Sep. - Thu, 11 Sep.
DTW
Detroit
SEA
Seattle
AU$490 Return, found 2 days ago
AU$490
Return
found 2 days ago
Select Delta flight, departing Thu, 4 Sep. from Detroit to Seattle, returning Thu, 11 Sep., priced at AU$490 found 2 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.