How much should you expect to spend for a flight from Philadelphia to Seattle?

Flight prices from Philadelphia to Seattle change depending on demand and time of booking.

$35 is the lowest fare found in the past 15 days.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Which airports are most convenient between Philadelphia and Seattle?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Philadelphia: Another nearby option is Trenton Mercer.
• Airports in Seattle: In Seattle you can fly to/from 2 airports - Boeing Field, Lake Union.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Choose the right flight for your trip from Philadelphia to Seattle

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from eDreams, Expedia, and more.

Other popular destinations

Flying to United States? Many users also explore: Boston, Los Angeles, Miami, New York City, Orlando.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.