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  1. Flights
  2. United States
  3. Seattle
  4. Philadelphia - Seattle

Flights from Philadelphia to Seattle

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Explore the best deals

Discover the cheapest flights from Philadelphia to Seattle
Wed, Jan 6 - Mon, Jan 11
AS
ASDirect
PHL - SEA
AS
ASDirect
SEA - PHL
333€
319€
Prime price per passenger
Fri, Dec 18 - Mon, Dec 21
AA
AADirect
PHL - SEA
F9
F9Direct
SEA - PHL
-13 %
377€
328€
Prime price per passenger
The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Philadelphia to Seattle

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the beginning of January. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
week: Jan 4 - Jan 10
Flights from just €319
€347
€319
NovemberJanuary
Distance: 3,819 km
Philadelphia airports
Philadelphia International Airport (PHL)How far from city centre: 10 km
Seattle airports
Seattle-Tacoma International Airport (SEA)How far from city centre: 18 km

Book your flight from Philadelphia to Seattle

Find direct and indirect flights from Philadelphia to Seattle (United States) with eDreams. Once you have your results, sort them by schedule or price and book the option that best suits your plans.

The lowest fare booked on this route in recent days was €319, though the price you see will depend on your travel dates and departure times.

A direct flight from Philadelphia to Seattle takes around 6 h and 9 m, while indirect flights will take longer.

Airports and airlines connecting Philadelphia and Seattle

Knowing where you set off from and where you arrive helps you organise your journey better. Consider the available airports and compare the different airlines operating on this route.

  • Departure airport: Philadelphia International Airport (PHL)
  • Arrival airport: Seattle-Tacoma International Airport (SEA)

Weather in Seattle

The best time to visit may depend on your preferred climate. In Seattle, the average temperature floats around 23ºC in the warmest months and 2ºC in the coldest ones. Keep this in mind when packing and planning any outdoor activities.

  • Highs: up to 25ºC
  • Lows: down to 2ºC
  • Hottest month: August
  • Coldest month: December
  • Driest month: July
  • Wettest month: November

How to save when flying from Philadelphia to Seattle

A few tips for finding cheaper flights from Philadelphia to Seattle:

  • Flexible dates: compare fares for two or three different departure days. Leaving a day earlier or later can make a noticeable difference to the price.
  • Baggage allowance: check what each fare includes before you book, so you aren't caught out by extra charges at the airport.
  • Airports on your route: confirm which airports you depart from and land at, especially if the city has more than one. This will help you plan your transfer and work out the total cost of getting around.

Looking for a bigger saving? Book a Flight + Hotel package to combine both in one booking and unlock exclusive discounts on your stay in Seattle. You can also save on a hire car by including it with your booking.

Frequently asked questions about flights from Philadelphia to Seattle

On average, what is the price of a Philadelphia to Seattle flight?
When flying from Philadelphia to Seattle the average price will be €254. However, this price is dependant on several other factors like seasonality or the time in advance taken when booking the route.
For flights from Philadelphia to Seattle, how can I find the cheapest price?
On eDreams we use machine learning to find the most economical flight between Philadelphia and Seattle. By taking into account the combinations of airlines, stopovers, direct flights as well as the various criteria for the journeys, our search engine allows us to offer our customers the best price under the best conditions.
When booking, when is the best time to do so in order to get the best prices for Philadelphia to Seattle flights?
The most popular month for flights from Philadelphia to Seattle are: October, November and December.
When is the best time to travel from Philadelphia to Seattle?
A good period of the year to visit Seattle from Philadelphia really depends on lots of personal preferences, price being one of the main criteria When it comes to popularity, March is the best month to fly to Seattle from Philadelphia, basedd on searches from our customers, followed by June and July. If you prefer to avoid the busy season and get away from the crowds October, December and February are the months with fewer searches for the route Philadelphia -  Seattle.
What is the duration of a flight from Philadelphia to Seattle?
Flight time, on average, from Philadelphia to Seattle is usually 6 h and 37 m on average, at an average distance of 3,819.26 km, for flights for the route (which may have 1 or more stops in other cities in between).
Which airports have flights between Philadelphia and Seattle?
The most common route form Philadelphia to Seattle is: Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport(SEA). These airlines fly this route:

Plan your trip

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