Cheap flights from Portland to Blake Island

View AU$121 flight on Tue, 26 Aug. 2025Opens in a new window

Popular airlines from Portland to Blake Island

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Portland (PDX) to Blake 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.

Alaska Airlines
Tue, 12 Aug. - Tue, 19 Aug.
PDX
Portland
SEA
Seattle
AU$179 Return, found 3 days ago
AU$179
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 12 Aug. from Portland to Seattle, returning Tue, 19 Aug., priced at AU$179 found 3 days ago
Delta
Tue, 12 Aug. - Tue, 19 Aug.
PDX
Portland
SEA
Seattle
AU$180 Return, found 3 days ago
AU$180
Return
found 3 days ago
Select Delta flight, departing Tue, 12 Aug. from Portland to Seattle, returning Tue, 19 Aug., priced at AU$180 found 3 days ago
Alaska Airlines
Tue, 12 Aug. - Tue, 19 Aug.
PDX
Portland
SEA
Seattle
AU$194 Return, found 3 days ago
AU$194
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 12 Aug. from Portland to Seattle, returning Tue, 19 Aug., priced at AU$194 found 3 days ago
Alaska Airlines
Sat, 16 Aug. - Sun, 17 Aug.
PDX
Portland
SEA
Seattle
AU$209 Return, found 2 days ago
AU$209
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 16 Aug. from Portland to Seattle, returning Sun, 17 Aug., priced at AU$209 found 2 days ago
Delta
Sat, 16 Aug. - Sun, 17 Aug.
PDX
Portland
SEA
Seattle
AU$210 Return, found 2 days ago
AU$210
Return
found 2 days ago
Select Delta flight, departing Sat, 16 Aug. from Portland to Seattle, returning Sun, 17 Aug., priced at AU$210 found 2 days ago
American Airlines
Sat, 16 Aug. - Sun, 17 Aug.
PDX
Portland
SEA
Seattle
AU$755 Return, found 2 days ago
AU$755
Return
found 2 days ago
Select American Airlines flight, departing Sat, 16 Aug. from Portland to Seattle, returning Sun, 17 Aug., priced at AU$755 found 2 days ago

Find the cheapest month to fly from Portland (PDX) to Seattle (SEA)

January is typically the cheapest month to fly

From AU$116 - AU$329 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.