Cheap flights from Seattle to Philadelphia

Direct flight: 3,817 km, ~4h 29m from Seattle (SEA) to Philadelphia (PHL).

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Live fares · SEA → PHL

Frequently asked questions

  • How long is the flight from Seattle to Philadelphia?

    Direct flights from SEA to PHL cover approximately 3,817 km (2,372 miles), with an estimated flight time of 4h 29m. Operating airlines: AA, AS, DL.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: SEA → PHL Cheapest month to fly to Philadelphia All flights from Seattle All flights to Philadelphia Flights to USA Visa-free with USA passport AA routes AS routes DL routes