Cheap flights from Philadelphia, PA to Seattle, WA

Flights starting at £127. Choose between Delta Air Lines, Frontier Airlines, or Alaska Airlines to find the best price.

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Travelers usually depart from Philadelphia International, Philadelphia, PA - 30th Street, Philadelphia, PA Greyhound Terminal, Ardmore, PA station, or Philadelphia, PA - Market Street bus stop when they travel from Philadelphia to Seattle. Book your trip to arrive at Seattle–Tacoma International, Seattle, WA - King Street Station, Seattle, WA - Greyhound Station, Seattle, WA - Ferry Terminal, or Kenmore Air Harbor Seaplane Base. The distance between Philadelphia and Seattle is 3821 km. The most popular airlines for this route are Delta Air Lines, Frontier Airlines, Alaska Airlines, Spirit Airlines, and American Airlines. Philadelphia and Seattle have 401 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights5555555
Fly direct with

American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Philadelphia to Seattle

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASYesOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAAYesNo

Seattle travel tips

1) Why not try goat yoga being in Seattle?

Regular yoga is too boring for Seattleites; they have taken it a step further. Here you have a chance to try the most unusual yoga class on the planet — goat yoga. In fact, you will do regular yoga with goats surrounding you as you are opening your chakras. A good mood is guaranteed as animals always bring positive emotions. Don’t hesitate to try it!

2) Where is the historic heart of Seattle?

Pioneer Square is the historic heart of Seattle. The Smith Tower will draw your attention among other Victorian-era buildings with its height of 42 stories. On the 35th floor, there is an observation deck with a nice view of the historic district of Seattle. Visit the place to get a feel of history!

3) Visit Grand Illusion Cinema if you are a film enthusiast

Grand Illusion Cinema is a must for all cinema goers visiting Seattle. The vintage space with red velvet seats contributes to a special atmosphere for comfortable watching. You can watch here everything starting from indie releases to movie classics. Make yourself comfortable!

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Philadelphia to Seattle?
A one-way nonstop (direct) flight between Philadelphia and Seattle takes around 6.5 hours.
What is the flight distance between Philadelphia and Seattle?
The flight distance between Philadelphia and Seattle is 3821 km.
What airlines offer nonstop (direct) flights between Philadelphia and Seattle?
Several carriers operate flights between Philadelphia and Seattle. Airlines offering nonstop (direct) flights include American Airlines, Alaska Airlines, United Airlines.
What are the most popular routes to and from Philadelphia?
Travelers frequently search for route combinations, such as Philadelphia and London, Manchester, San Juan, Las Vegas, Dublin, Orlando, Atlanta, Dallas, Denver, New Orleans, New York, Fort Lauderdale, Miami, Charlotte, Tampa, Detroit, San Francisco, Boston, Austin, Minneapolis.
What are the most popular routes to and from Seattle?
Travelers frequently search for route combinations, such as Seattle and London, Dublin, Manila, Bangkok, Tallinn, Vilnius, Detroit, New York, Manchester, Melbourne, Los Angeles, Chicago, Paris, Denver, Hong Kong, Washington, D.C., Toronto, Denpasar, Atlanta, Dallas.
Which airports are there in Philadelphia?
Philadelphia is mainly served by Philadelphia International. But there are other airports nearby, including Wings Field.
What airports are near Philadelphia?
The main airport in Philadelphia is Philadelphia International. It is also served by Newark Liberty International, Washington Dulles International, Baltimore–Washington International, LaGuardia, Ronald Reagan Washington National, New York Stewart International Airport, Trenton–Mercer, Long Island MacArthur, Atlantic City International, Lehigh Valley International.
What airports are near Seattle?
The main airport in Seattle is Seattle–Tacoma International. It is also served by Portland International, Vancouver International, Bellingham International, Paine Field Everett, Abbotsford International, Pangborn Memorial, Yakima Air Terminal, Victoria Inner Harbour SPB, Vancouver Harbour Flight Centre.
What buses and trains depart from Philadelphia?
A number of bus and train companies depart from Philadelphia, including Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Philadelphia and Seattle?
What is Virtual Interlining and how do I use it?
Which airlines fly between Philadelphia and Seattle?
When's the best time to travel between Philadelphia and Seattle?
What flights operate between Philadelphia and Seattle?
How many airports are there near Philadelphia?
How many airports are there near Seattle?
Is it possible to reach Philadelphia by bus or train?
What time do nonstop (direct) flights between Philadelphia and Seattle depart?
What time do nonstop (direct) flights between Philadelphia and Seattle arrive?
What time do flights between Philadelphia and Seattle depart?
What time do flights between Philadelphia and Seattle arrive?

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