$179 Cheap United flights Seattle (SEA) to Philadelphia (PHL)

$179 Cheap United flights Seattle (SEA) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $179 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 26 - Mon, Feb 2

SEA

Seattle

PHL

Philadelphia

$257 Roundtrip, found 22 hours ago

$257

Roundtrip

found 22 hours ago

Select United flight, departing Mon, Jan 26 from Seattle to Philadelphia, returning Mon, Feb 2, priced at $257 found 22 hours ago

Mon, Jan 26 - Mon, Feb 2

SEA

Seattle

PHL

Philadelphia

$262 Roundtrip, found 22 hours ago

$262

Roundtrip

found 22 hours ago

Select United flight, departing Mon, Jan 26 from Seattle to Philadelphia, returning Mon, Feb 2, priced at $262 found 22 hours ago

Mon, Jan 26 - Mon, Feb 2

SEA

Seattle

PHL

Philadelphia

$284 Roundtrip, found 22 hours ago

$284

Roundtrip

found 22 hours ago

Select United flight, departing Mon, Jan 26 from Seattle to Philadelphia, returning Mon, Feb 2, priced at $284 found 22 hours ago

Mon, Jan 26 - Mon, Feb 2

SEA

Seattle

PHL

Philadelphia

$289 Roundtrip, found 22 hours ago

$289

Roundtrip

found 22 hours ago

Select United flight, departing Mon, Jan 26 from Seattle to Philadelphia, returning Mon, Feb 2, priced at $289 found 22 hours ago

Mon, Jan 26 - Mon, Feb 2

SEA

Seattle

PHL

Philadelphia

$294 Roundtrip, found 22 hours ago

$294

Roundtrip

found 22 hours ago

Select United flight, departing Mon, Jan 26 from Seattle to Philadelphia, returning Mon, Feb 2, priced at $294 found 22 hours ago

Mon, Jan 26 - Mon, Feb 2

SEA

Seattle

PHL

Philadelphia

$303 Roundtrip, found 22 hours ago

$303

Roundtrip

found 22 hours ago

Select United flight, departing Mon, Jan 26 from Seattle to Philadelphia, returning Mon, Feb 2, priced at $303 found 22 hours ago