There are several airlines that operate frequent flights from Philadelphia (PHL) to Seattle (SEA) including

• American Airlines with 325 flights a week
• Delta Air Lines with 212 flights a week
• with 75 flights a week
• United Airlines with 63 flights a week
• Alaska Airlines with 59 flights a week

The earliest flight leaves Philadelphia Intl. Airport at 08:00 and arrives at Seattle Tacoma Intl. Airport at 00:11. The last flight of the day departs Philadelphia at 21:40 and arrives at Seattle at 21:26.

The flight distance from Philadelphia to Seattle is about 3837 km, the shortest flight is 05 hours 51 minutes with .

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Philadelphia Seattle flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Philadelphia to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Philadelphia to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!