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

Departure Date

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
USD393

The airfare displayed above is for Delta Air Lines

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Philadelphia－Seattle-Tacoma Airport
May Lowest Airfares
USD316

The airfare displayed above is for Delta Air Lines

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Philadelphia－Seattle-Tacoma Airport
June Lowest Airfares
USD348

The airfare displayed above is for Delta Air Lines

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Philadelphia－Seattle-Tacoma Airport
July Lowest Airfares
USD352

The airfare displayed above is for Delta Air Lines

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Philadelphia－Seattle-Tacoma Airport
August Lowest Airfares
USD348

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)
USD147〜
Philadelphia－Washington D.C(Washington Dulles)
USD235〜
Philadelphia－Washington D.C(Ronald Reagan Washington National)
USD367〜
Philadelphia－Chicago(O'Hare)
USD195〜
Philadelphia－Chicago(Midway)
USD197〜
Philadelphia－Dallas(/Fort Worth)
USD233〜
Philadelphia－Dallas(Love Field)
USD253〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Phoenix Sky Harbor Airport－Seattle(-Tacoma)
USD157〜
Pittsburgh Airport－Seattle(-Tacoma)
USD254〜
Pullman–Moscow Regional Airport－Seattle(-Tacoma)
USD216〜
T. F. Green Airport－Seattle(-Tacoma)
USD716〜
Raleigh-Durham Airport－Seattle(-Tacoma)
USD282〜
* Fares vary in accordance to seat availability