$145+ Cheap flights from Philadelphia to Seattle (PHL - SEA)

Booking a flight from Philadelphia (PHL) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Philadelphia to Seattle. On a typical day, there are 7 flights from Philadelphia to Seattle/Tacoma Intl, all of which are around 5h 49m for a nonstop flight. You can also purchase a plane ticket from 9 airlines when you book a flight from Philadelphia to Seattle.

Flights from Philadelphia to Seattle/Tacoma Intl have been viewed 36 times in the past calendar month.

According to our current data, Delta ($305), American Airlines ($306), and Southwest ($307) offers the cheapest pricing from Philadelphia to Seattle. These flights start at 29% lower than the current average price 3 months from now.

One-way options have recently been found by users for as low as $145 on Frontier. Other airlines that offer cheap prices include Southwest from $148 and American Airlines from $149 one-way.

Consider Finnair (78%), American Airlines (71%) or Air Tahiti Nui (66%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Seattle.

While on average a flight from Philadelphia to Seattle is generally $1,368, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Philadelphia - Seattle/Tacoma Intl), you can expect to pay $250 for that flight.

Philadelphia to Seattle flights have a layover in Denver most often. Minneapolis sees the second most layovers for non-direct flights flying from Philadelphia to Seattle.

Coors Field, Paramount Theatre, and Larimer Square are the most popular attractions in Denver if you're in need of something to do during your layover. Those on a layover in Denver interested in visiting Coors Field, Paramount Theatre, or Larimer Square can do so by traveling 18.4 mi, 18.6 mi, and 18.9 mi, respectively from Denver Intl. Travelers in need of a car in Denver can rent one for about $56 per day.

Most Minneapolis visitors opt to spend their time at Minneapolis Armory, Orpheum Theatre, and State Theatre. Minneapolis Armory, Orpheum Theatre and State Theatre are located about 7.0 mi, 7.3 mi, and 7.3 mi, respectively from Minneapolis St Paul if you are interested in checking them out. Those looking to explore during their layover in Minneapolis can rent a car from Minneapolis St Paul for about $71 per day.

Flights departing from Philadelphia and landing in Seattle layover in Chicago least frequently.

Yes. In addition to deals on Philadelphia to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Seattle.

Yes. Cheapflights offers flight deals from Philadelphia to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Seattle (average of $238). Flying from Philadelphia to Seattle in July is currently the most expensive (average of $390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.