Cheap Flights from Philadelphia International Airport to Seattle (SEA) Find and Compare the Best Airline Deals | Skyticket

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2025/4
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2025/4
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Philadelphia－Seattle-Tacoma Airport
April Lowest Airfares
USD509

The airfare displayed above is for Delta Air Lines

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Philadelphia－Seattle-Tacoma Airport
May Lowest Airfares
USD329

The airfare displayed above is for Delta Air Lines

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Philadelphia－Seattle-Tacoma Airport
June Lowest Airfares
USD429

The airfare displayed above is for Delta Air Lines

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Philadelphia－Seattle-Tacoma Airport
July Lowest Airfares
USD358

The airfare displayed above is for Delta Air Lines

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Philadelphia－Seattle-Tacoma Airport
August Lowest Airfares
USD506

The airfare displayed above is for Delta Air Lines

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Philadelphia－Seattle
Estimated Flight Time
6 Hours 20 Minutes
Philadelphia－Seattle
Number of Operating Airlines
4

Operating Airlines for Philadelphia－Seattle-Tacoma Airport Route
Non-StopAmerican Airlines

Non-StopAlaska Airlines

Delta Air Lines

United Airlines

Other Destinations from:Philadelphia

Philadelphia－Boston(Logan)
USD163〜
Philadelphia－Washington D.C(Washington Dulles)
USD273〜
Philadelphia－Washington D.C(Ronald Reagan Washington National)
USD318〜
Philadelphia－Chicago(Midway)
USD203〜
Philadelphia－Chicago(O'Hare)
USD212〜
Philadelphia－Dallas(/Fort Worth)
USD263〜
Philadelphia－Dallas(Love Field)
USD272〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Phoenix Sky Harbor Airport－Seattle(-Tacoma)
USD159〜
Pittsburgh Airport－Seattle(-Tacoma)
USD253〜
Pullman–Moscow Regional Airport－Seattle(-Tacoma)
USD384〜
T. F. Green Airport－Seattle(-Tacoma)
USD545〜
Raleigh-Durham Airport－Seattle(-Tacoma)
USD277〜
* Fares vary in accordance to seat availability