Cheap flights from Philadelphia to Seattle

Bing travel utilizes over a billion airfares on a daily basis to bring you Price Predictors, and now we're using that data to uncover cheap flights from Philadelphia to Seattle every day. Note that deals are compiled on yesterday's lowest airfares and can change often.

Featured flight deal from Philadelphia to Seattle

• Philadelphia (PHL) to Seattle (SEA)

  Save $80 off average low found today

  $320

  Fares rising

  View dates
  See more: Low fares from Philadelphia to Seattle

Lowest fares from Philadelphia to Seattle

Use our flexible travel graph to find the lowest airfare from Philadelphia to Seattle. Currently the cheapest flight you can find in the next 30 days from Philadelphia to Seattle departs on 02/13/2012 and returns 02/15/2012 with a low fare of $320.

View complete flexible search for PHL to SEA (modify trip length and dates)