Flights from Seattle to Prospect Park

Cheapest flights from Seattle

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.

Tue, Jul 29 - Tue, Aug 5

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$318 Roundtrip, found 23 hours ago

$318

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Tue, Jul 29 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Tue, Aug 5, priced at $318 found 23 hours ago

Thu, Jul 31 - Tue, Aug 5

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$326 Roundtrip, found 23 hours ago

$326

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Tue, Aug 5, priced at $326 found 23 hours ago

Fri, Jul 25 - Tue, Aug 5

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$331 Roundtrip, found 23 hours ago

$331

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Tue, Aug 5, priced at $331 found 23 hours ago

Thu, Jul 31 - Mon, Aug 4

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$334 Roundtrip, found 23 hours ago

$334

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Mon, Aug 4, priced at $334 found 23 hours ago

Mon, Jul 28 - Fri, Aug 1

PAE

Seattle Paine Field Intl. Airport

PHL

Philadelphia Intl.

$339 Roundtrip, found 23 hours ago

$339

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Seattle Paine Field Intl. Airport to Philadelphia Intl., returning Fri, Aug 1, priced at $339 found 23 hours ago

Fri, Jul 25 - Fri, Aug 1

PAE

Seattle Paine Field Intl. Airport

PHL

Philadelphia Intl.

$344 Roundtrip, found 23 hours ago

$344

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Seattle Paine Field Intl. Airport to Philadelphia Intl., returning Fri, Aug 1, priced at $344 found 23 hours ago

Sun, Jul 27 - Tue, Aug 5

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$401 Roundtrip, found 23 hours ago

$401

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Tue, Aug 5, priced at $401 found 23 hours ago

Mon, Jul 28 - Wed, Aug 6

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$407 Roundtrip, found 23 hours ago

$407

Roundtrip

found 23 hours ago

Select Delta flight, departing Mon, Jul 28 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Wed, Aug 6, priced at $407 found 23 hours ago

Sun, Jul 27 - Mon, Aug 4

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$409 Roundtrip, found 23 hours ago

$409

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Mon, Aug 4, priced at $409 found 23 hours ago

Sun, Jul 27 - Fri, Aug 1

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$414 Roundtrip, found 23 hours ago

$414

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Fri, Aug 1, priced at $414 found 23 hours ago

Mon, Jul 28 - Tue, Aug 5

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$439 Roundtrip, found 23 hours ago

$439

Roundtrip

found 23 hours ago

Select Delta flight, departing Mon, Jul 28 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Tue, Aug 5, priced at $439 found 23 hours ago

Tue, Jul 29 - Sat, Aug 2

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$481 Roundtrip, found 23 hours ago

$481

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Tue, Jul 29 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Sat, Aug 2, priced at $481 found 23 hours ago

Sun, Jul 27 - Wed, Jul 30

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$484 Roundtrip, found 23 hours ago

$484

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Wed, Jul 30, priced at $484 found 23 hours ago

Wed, Jul 30 - Wed, Jul 30

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$485 Roundtrip, found 23 hours ago

$485

Roundtrip

found 23 hours ago

Select Delta flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Wed, Jul 30, priced at $485 found 23 hours ago

Thu, Jul 31 - Sat, Aug 2

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$489 Roundtrip, found 23 hours ago

$489

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Sat, Aug 2, priced at $489 found 23 hours ago

Mon, Jul 28 - Tue, Jul 29

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$491 Roundtrip, found 23 hours ago

$491

Roundtrip

found 23 hours ago

Select Delta flight, departing Mon, Jul 28 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Tue, Jul 29, priced at $491 found 23 hours ago

Fri, Jul 25 - Sat, Aug 2

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$494 Roundtrip, found 23 hours ago

$494

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Sat, Aug 2, priced at $494 found 23 hours ago

Mon, Jul 28 - Tue, Jul 29

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$554 Roundtrip, found 23 hours ago

$554

Roundtrip

found 23 hours ago

Select United flight, departing Mon, Jul 28 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Tue, Jul 29, priced at $554 found 23 hours ago

Mon, Jul 28 - Tue, Jul 29

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$577 Roundtrip, found 23 hours ago

$577

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Mon, Jul 28 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Tue, Jul 29, priced at $577 found 23 hours ago

Mon, Jul 28 - Tue, Jul 29

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

$631 Roundtrip, found 23 hours ago

$631

Roundtrip

found 23 hours ago

Select Alaska Airlines flight, departing Mon, Jul 28 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Tue, Jul 29, priced at $631 found 23 hours ago