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Search Cheap Flights from Seattle to Philadelphia

Book your flights from Seattle (SEA) to Philadelphia (PHL) on OneTravel. Take advantage of the exclusive travel deals and enjoy great savings on flights to top destinations.

One of America’s most historical cities, Philadelphia has lots to see and do! Take a trip to Philadelphia and spend time exploring the attractions, go shopping and feast on the savory local cuisine. Book flights to Philadelphia on OneTravel and save to splurge on a vacation! We offer exclusive deals on top airlines, including AirTran, Frontier and Midwest Airlines. The average travel time to reach Philadelphia, PA from Seattle, WA is five hours.

Seattle to Philadelphia Flight Route Facts

  • When does the earliest flight depart SEA?

    7:00AM - 8:00AM

  • When does the last flight depart PHL?

    11:00PM - 12:00AM

  • Which is the busiest month to travel from Seattle to Philadelphia?


  • Which is the least-busy month to travel from SEA to PHL?


  • What is the travel distance between Seattle and Philadelphia?

    7,700 Miles

  • What are the top airlines offering flights from SEA to PHL?

    Alaska Airlines, American Airlines, Cathay Pacific Airways

  • How many weekly flights operate between SEA and PHL?

    There are 33 weekly flights between SEA and PHL.

  • How many daily flights fly between Seattle and Philadelphia?

    There are 4 daily flights between SEA and PHL

  • Which is the busiest day in terms of passengers flying from SEA to PHL?


  • What percentage of Seattle to Philadelphia travelers traveled with their kids under 14?

    11% traveled with their kids under 14.

  • What percentage of Seattle to Philadelphia travelers were millennials?

    47% of Philadelphia travelers were millenials.

  • What percentage of Seattle to Philadelphia travelers were female?

    50% of Philadelphia travelers were female.

  • What percentage of Seattle to Philadelphia travelers were over the age of 60?

    12% of Philadelphia travelers were over the age of 60.

  • What was the average flight duration of flights from Seattle to Philadelphia?

    5.5 Hours

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