Cheap flights from Philadelphia to San Juan Islands

View AU$213 flight on Wed, 29 Oct. 2025Opens in a new window

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Cheap Flights from Philadelphia (ILG) 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.

Delta
Fri, 15 Aug. - Sat, 23 Aug.
PHL
Philadelphia
SEA
Seattle
AU$593 Return, found 6 days ago
AU$593
Return
found 6 days ago
Select Delta flight, departing Fri, 15 Aug. from Philadelphia to Seattle, returning Sat, 23 Aug., priced at AU$593 found 6 days ago
*Available to Expedia members.