$335 Cheap Delta flights Seattle (SEA) to Philadelphia (PHL)

$335 Cheap Delta flights Seattle (SEA) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $335 for one-way flights and $407 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 28 - Wed, Aug 6

SEA

Seattle

PHL

Philadelphia

$407 Roundtrip, found 17 hours ago

$407

Roundtrip

found 17 hours ago

Select Delta flight, departing Mon, Jul 28 from Seattle to Philadelphia, returning Wed, Aug 6, priced at $407 found 17 hours ago

Mon, Jul 28 - Tue, Aug 5

SEA

Seattle

PHL

Philadelphia

$439 Roundtrip, found 17 hours ago

$439

Roundtrip

found 17 hours ago

Select Delta flight, departing Mon, Jul 28 from Seattle to Philadelphia, returning Tue, Aug 5, priced at $439 found 17 hours ago

Mon, Jul 28 - Tue, Jul 29

SEA

Seattle

PHL

Philadelphia

$491 Roundtrip, found 17 hours ago

$491

Roundtrip

found 17 hours ago

Select Delta flight, departing Mon, Jul 28 from Seattle to Philadelphia, returning Tue, Jul 29, priced at $491 found 17 hours ago

Mon, Jul 28 - Tue, Jul 29

SEA

Seattle

PHL

Philadelphia

$503 Roundtrip, found 17 hours ago

$503

Roundtrip

found 17 hours ago

Select Delta flight, departing Mon, Jul 28 from Seattle to Philadelphia, returning Tue, Jul 29, priced at $503 found 17 hours ago

Mon, Jul 28 - Tue, Jul 29

SEA

Seattle

PHL

Philadelphia

$509 Roundtrip, found 17 hours ago

$509

Roundtrip

found 17 hours ago

Select Delta flight, departing Mon, Jul 28 from Seattle to Philadelphia, returning Tue, Jul 29, priced at $509 found 17 hours ago

Mon, Jul 28 - Tue, Jul 29

SEA

Seattle

PHL

Philadelphia

$521 Roundtrip, found 17 hours ago

$521

Roundtrip

found 17 hours ago

Select Delta flight, departing Mon, Jul 28 from Seattle to Philadelphia, returning Tue, Jul 29, priced at $521 found 17 hours ago