Cheap flights from Portland to San Juan Islands

View AU$104 flight on Sat, 13 Sep. 2025Opens in a new window

Popular airlines from Portland to San Juan Islands

  • 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 San Juan Islands (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
Sat, 13 Sep. - Wed, 17 Sep.
PDX
Portland
SEA
Seattle
AU$148 Return, found 8 hours ago
AU$148
Return
found 8 hours ago
Select Alaska Airlines flight, departing Sat, 13 Sep. from Portland to Seattle, returning Wed, 17 Sep., priced at AU$148 found 8 hours ago
Delta
Sat, 13 Sep. - Wed, 17 Sep.
PDX
Portland
SEA
Seattle
AU$148 Return, found 8 hours ago
AU$148
Return
found 8 hours ago
Select Delta flight, departing Sat, 13 Sep. from Portland to Seattle, returning Wed, 17 Sep., priced at AU$148 found 8 hours ago
Delta
Sat, 13 Sep. - Wed, 17 Sep.
PDX
Portland
SEA
Seattle
AU$163 Return, found 8 hours ago
AU$163
Return
found 8 hours ago
Select Delta flight, departing Sat, 13 Sep. from Portland to Seattle, returning Wed, 17 Sep., priced at AU$163 found 8 hours ago
Delta
Sat, 13 Sep. - Wed, 17 Sep.
PDX
Portland
SEA
Seattle
AU$178 Return, found 8 hours ago
AU$178
Return
found 8 hours ago
Select Delta flight, departing Sat, 13 Sep. from Portland to Seattle, returning Wed, 17 Sep., priced at AU$178 found 8 hours ago
American Airlines
Sat, 13 Sep. - Wed, 17 Sep.
PDX
Portland
SEA
Seattle
AU$495 Return, found 8 hours ago
AU$495
Return
found 8 hours ago
Select American Airlines flight, departing Sat, 13 Sep. from Portland to Seattle, returning Wed, 17 Sep., priced at AU$495 found 8 hours ago
United
Sat, 13 Sep. - Wed, 17 Sep.
PDX
Portland
SEA
Seattle
AU$1,054 Return, found 8 hours ago
AU$1,054
Return
found 8 hours ago
Select United flight, departing Sat, 13 Sep. from Portland to Seattle, returning Wed, 17 Sep., priced at AU$1,054 found 8 hours ago
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