*ALL-IN fares includes taxes, fees, and surcharges except applicable Philippine Travel Tax which at passenger's option can be added separately during or after the booking.
Seattle to Philadelphia Flights on Philippine Airlines!
Our Most Searched Flights from Seattle to Philadelphia
Enjoy amazing fare deals Seattle Philadelphia!
Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Quoted fares includes taxes, fees, and surcharges except PH Travel Tax which is added at the passenger's option during or after the booking.
Enjoy amazing fare deals Seattle Philadelphia!
Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Quoted fares includes taxes, fees, and surcharges except PH Travel Tax which is added at the passenger's option during or after the booking.
Enjoy amazing Business Class fares Seattle Philadelphia!
Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Quoted fares includes taxes, fees, and surcharges except PH Travel Tax which is added at the passenger's option during or after the booking.
Best Flights Deals by Popularity from Seattle to Philadelphia
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Quoted fares includes taxes, fees, and surcharges except PH Travel Tax paid at the airport.