$144 Cheap Alaska Airlines flights Seattle (SEA) to Philadelphia (PHL)

$144 Cheap Alaska Airlines flights Seattle (SEA) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $144 for one-way flights and $247 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 3 - Sat, Feb 14

SEA

Seattle

PHL

Philadelphia

$247 Roundtrip, found 1 day ago

$247

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Feb 3 from Seattle to Philadelphia, returning Sat, Feb 14, priced at $247 found 1 day ago

Wed, Feb 11 - Mon, Feb 23

SEA

Seattle

PHL

Philadelphia

$282 Roundtrip, found 1 day ago

$282

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, Feb 11 from Seattle to Philadelphia, returning Mon, Feb 23, priced at $282 found 1 day ago

Sun, Mar 1 - Thu, Mar 19

SEA

Seattle

PHL

Philadelphia

$322 Roundtrip, found 1 day ago

$322

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sun, Mar 1 from Seattle to Philadelphia, returning Thu, Mar 19, priced at $322 found 1 day ago