Cheap flights from Philadelphia to Seattle

Yes, it's possible to combine different modes of transport between Philadelphia and Seattle thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Philadelphia and Seattle can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between Philadelphia and Seattle with American Airlines, Delta Air Lines, Southwest Airlines, United Airlines, Alaska Airlines.

If you don’t have specific dates for your trip between Philadelphia and Seattle, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Philadelphia and Seattle, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Philadelphia. The main one is Philadelphia International and other nearby airports include Newark Liberty International, John F. Kennedy International, Washington Dulles International, Baltimore–Washington International, LaGuardia, Ronald Reagan Washington National, Harrisburg International, Long Island MacArthur, Atlantic City International, Trenton–Mercer

There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Portland International, Vancouver International, Bellingham International, Pangborn Memorial, Yakima Air Terminal, Paine Field Everett, Abbotsford International, Vancouver Harbour Flight Centre, Friday Harbor Airport, Kenmore Air Harbor.

Yes, Philadelphia has great ground transport connections with the rest of the world. Our price graph doesn't just show prices for flights to and from Philadelphia, it also shows buses and trains.

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Philadelphia, such as morning, afternoon, evening, or night, or select the exact hours for departure.

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Philadelphia, such as morning, afternoon, evening, or night, or select the exact hours for departure.

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.