Flights to Blake Island from Philadelphia - ￥19,950

View ￥19,950 flight on Tue, Aug 19, 2025Opens in a new window

Popular airlines from Philadelphia to Blake Island

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Philadelphia to Blake Island (ILG-SEA)

Prices were available within the past 7 days and start at ￥19,950 for one-way flights and ￥39,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Oct 25 - Mon, Oct 27
PHL
Philadelphia
SEA
Seattle
￥39,900 Roundtrip, found 4 days ago
￥39,900
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 25 from Philadelphia to Seattle, returning Mon, Oct 27, priced at ￥39,900 found 4 days ago
Delta
Thu, Aug 14 - Wed, Aug 20
PHL
Philadelphia
SEA
Seattle
￥41,300 Roundtrip, found 4 days ago
￥41,300
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 14 from Philadelphia to Seattle, returning Wed, Aug 20, priced at ￥41,300 found 4 days ago
American Airlines
Thu, Aug 21 - Fri, Aug 29
PHL
Philadelphia
SEA
Seattle
￥41,550 Roundtrip, found 2 days ago
￥41,550
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 21 from Philadelphia to Seattle, returning Fri, Aug 29, priced at ￥41,550 found 2 days ago
Delta
Thu, Aug 14 - Wed, Aug 20
PHL
Philadelphia
SEA
Seattle
￥42,700 Roundtrip, found 4 days ago
￥42,700
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 14 from Philadelphia to Seattle, returning Wed, Aug 20, priced at ￥42,700 found 4 days ago
Delta
Mon, Aug 18 - Fri, Aug 22
PHL
Philadelphia
SEA
Seattle
￥42,850 Roundtrip, found 2 days ago
￥42,850
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Aug 18 from Philadelphia to Seattle, returning Fri, Aug 22, priced at ￥42,850 found 2 days ago
United
Sat, Oct 25 - Mon, Oct 27
PHL
Philadelphia
SEA
Seattle
￥47,850 Roundtrip, found 4 days ago
￥47,850
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 25 from Philadelphia to Seattle, returning Mon, Oct 27, priced at ￥47,850 found 4 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Seattle (SEA)

November is typically the cheapest month to fly

From ￥19,786 - ￥63,035 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.