Latest Flight Deals from Philadelphia to Seattle
Book one-way or return flights from Philadelphia to Seattle from as little as NZD 140. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- PHL18:575h 58mDirectSEA21:55Mon, Apr 29|Philadelphia - Seattle|Alaska AirlinesNZD 140NZD 23641% OFF41% OFFNZD 236NZD 140
- PHL20:2713h 37m1 stopSEA07:04Sat, May 18|Philadelphia - Seattle|Frontier AirlinesNZD 141NZD 23640% OFF40% OFFNZD 236NZD 141
- PHL06:0020h 55m1 stopSEA23:55Tue, May 21|Philadelphia - Seattle|Frontier AirlinesNZD 142NZD 23640% OFF40% OFFNZD 236NZD 142
- PHL20:4027h 20m1 stopSEA21:00Tue, May 14|Philadelphia - Seattle|Frontier AirlinesNZD 148NZD 148
- PHL20:4014h 50m1 stopSEA08:30Wed, May 15|Philadelphia - Seattle|Frontier AirlinesNZD 151NZD 151
- PHL22:1313h 21m1 stopSEA08:34Mon, Apr 29|Philadelphia - Seattle|Frontier AirlinesNZD 154NZD 154
- PHL12:5613h 59m1 stopSEA23:55Wed, May 29|Philadelphia - Seattle|Frontier AirlinesNZD 163NZD 163
- PHL08:0018h 55m1 stopSEA23:55Tue, Jun 4|Philadelphia - Seattle|Frontier AirlinesNZD 167NZD 167
- PHL20:4027h 34m1 stopSEA21:14Wed, May 1|Philadelphia - Seattle|Frontier AirlinesNZD 170NZD 170
- PHL20:2713h 37m1 stopSEA07:04Sat, Jun 1|Philadelphia - Seattle|Frontier AirlinesNZD 173NZD 173
- PHL13:003h 5mDirectSEA14:00Mon, May 6|Philadelphia - Seattle|Alaska AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Philadelphia to Seattle.
- CheapestTTN20:2428h 11m2 transferSEA21:35Trenton Mercer Airport - Seattle-Tacoma International AirportMon, Apr 29Frontier AirlinesNZD 191
- PHL22:5912h 35m1 transferSEA08:34Philadelphia International Airport - Seattle-Tacoma International AirportTue, Apr 30Frontier AirlinesNZD 428
- PHL22:5912h 35m1 transferSEA08:34Philadelphia International Airport - Seattle-Tacoma International AirportTue, Apr 30Frontier AirlinesNZD 428Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Philadelphia to Seattle
Cheapest nonstop flight price | NZD 140 |
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Cheapest round-trip ticket price | NZD 283 |
Off-season for travel | December |
Peak season for travel | July |
Flight distance | 3,816.94km |
Average flight time | 6 hours |
Popular airline | American Airlines |
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