Flights from Philadelphia to Puget Sound

Cheapest flights from Philadelphia

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 9 - Sat, May 10

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$218 Roundtrip, found 2 days ago

$218

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, May 9 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sat, May 10, priced at $218 found 2 days ago

Fri, May 9 - Sun, May 11

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$228 Roundtrip, found 2 days ago

$228

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, May 9 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, May 11, priced at $228 found 2 days ago

Mon, May 5 - Sat, May 10

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$238 Roundtrip, found 2 days ago

$238

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, May 5 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sat, May 10, priced at $238 found 2 days ago

Mon, May 5 - Fri, May 9

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$248 Roundtrip, found 2 days ago

$248

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, May 5 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Fri, May 9, priced at $248 found 2 days ago

Wed, May 7 - Sun, May 11

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$259 Roundtrip, found 2 days ago

$259

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Wed, May 7 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, May 11, priced at $259 found 2 days ago

Wed, May 7 - Sun, May 11

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$268 Roundtrip, found 2 days ago

$268

Roundtrip

found 2 days ago

Select United flight, departing Wed, May 7 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, May 11, priced at $268 found 2 days ago

Wed, May 7 - Sun, May 11

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$273 Roundtrip, found 2 days ago

$273

Roundtrip

found 2 days ago

Select United flight, departing Wed, May 7 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, May 11, priced at $273 found 2 days ago

Wed, May 7 - Tue, May 13

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$275 Roundtrip, found 2 days ago

$275

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Wed, May 7 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Tue, May 13, priced at $275 found 2 days ago

Wed, May 7 - Sun, May 11

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$292 Roundtrip, found 2 days ago

$292

Roundtrip

found 2 days ago

Select United flight, departing Wed, May 7 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, May 11, priced at $292 found 2 days ago

Wed, May 7 - Sun, May 11

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$297 Roundtrip, found 2 days ago

$297

Roundtrip

found 2 days ago

Select United flight, departing Wed, May 7 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, May 11, priced at $297 found 2 days ago

Wed, May 7 - Sun, May 11

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$298 Roundtrip, found 2 days ago

$298

Roundtrip

found 2 days ago

Select United flight, departing Wed, May 7 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, May 11, priced at $298 found 2 days ago

Mon, Jun 23 - Sat, Jul 5

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$298 Roundtrip, found 2 days ago

$298

Roundtrip

found 2 days ago

Select Delta flight, departing Mon, Jun 23 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sat, Jul 5, priced at $298 found 2 days ago

Wed, May 7 - Sun, May 11

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$302 Roundtrip, found 2 days ago

$302

Roundtrip

found 2 days ago

Select United flight, departing Wed, May 7 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, May 11, priced at $302 found 2 days ago

Mon, Aug 25 - Sun, Aug 31

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$303 Roundtrip, found 3 days ago

$303

Roundtrip

found 3 days ago

Select United flight, departing Mon, Aug 25 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, Aug 31, priced at $303 found 3 days ago

Sat, Sep 20 - Sun, Sep 28

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$305 Roundtrip, found 3 hours ago

$305

Roundtrip

found 3 hours ago

Select Spirit Airlines flight, departing Sat, Sep 20 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, Sep 28, priced at $305 found 3 hours ago

Sat, Aug 16 - Sun, Aug 24

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$309 Roundtrip, found 1 day ago

$309

Roundtrip

found 1 day ago

Select United flight, departing Sat, Aug 16 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, Aug 24, priced at $309 found 1 day ago

Sat, Sep 20 - Sun, Sep 28

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$337 Roundtrip, found 3 hours ago

$337

Roundtrip

found 3 hours ago

Select Alaska Airlines flight, departing Sat, Sep 20 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, Sep 28, priced at $337 found 3 hours ago

Sat, Sep 20 - Sun, Sep 28

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$347 Roundtrip, found 3 hours ago

$347

Roundtrip

found 3 hours ago

Select American Airlines flight, departing Sat, Sep 20 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, Sep 28, priced at $347 found 3 hours ago

Thu, May 8 - Fri, May 9

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$381 Roundtrip, found 2 days ago

$381

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Thu, May 8 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Fri, May 9, priced at $381 found 2 days ago

Mon, Aug 25 - Sun, Aug 31

PHL

Philadelphia Intl.

SEA

Seattle - Tacoma Intl.

$468 Roundtrip, found 3 days ago

$468

Roundtrip

found 3 days ago

Select Sun Country Airlines flight, departing Mon, Aug 25 from Philadelphia Intl. to Seattle - Tacoma Intl., returning Sun, Aug 31, priced at $468 found 3 days ago