Flights From Seattle (SEA) to King of Prussia (PHL)

Selected fares from Seattle to King of Prussia

The cheapest prices found with in the last 7 days for return flights were CA $381 and CA $189 for one-way flights to King of Prussia for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct. 9 - Wed, Oct. 15

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

CA $381 Roundtrip, found 3 days ago

CA $381

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Thu, Oct. 9 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Wed, Oct. 15, priced at CA $381 found 3 days ago

Thu, Sep. 4 - Wed, Sep. 10

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

CA $384 Roundtrip, found 4 days ago

CA $384

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Thu, Sep. 4 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Wed, Sep. 10, priced at CA $384 found 4 days ago

Wed, Sep. 3 - Sun, Sep. 7

SEA

Seattle - Tacoma Intl.

PHL

Philadelphia Intl.

CA $385 Roundtrip, found 22 hours ago

CA $385

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Wed, Sep. 3 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Sun, Sep. 7, priced at CA $385 found 22 hours ago