Latest Flight Deals from Seattle to Philadelphia
Book one-way or return flights from Seattle to Philadelphia from as little as NZD 124. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- SEA14:5511h 50m1 stopPHL05:45Sat, May 4|Seattle - Philadelphia|Frontier AirlinesNZD 124NZD 21041% OFF41% OFFNZD 210NZD 124
- SEA20:1412h 56m1 stopPHL12:10Tue, May 21|Seattle - Philadelphia|Frontier AirlinesNZD 125NZD 21040% OFF40% OFFNZD 210NZD 125
- SEA21:3528h 49m1 stopPHL05:24Tue, May 14|Seattle - Philadelphia|Frontier AirlinesNZD 129NZD 21039% OFF39% OFFNZD 210NZD 129
- SEA10:2216h 12m1 stopPHL05:34Sat, May 18|Seattle - Philadelphia|Frontier AirlinesNZD 129NZD 129
- SEA17:029h 43m1 stopPHL05:45Mon, May 6|Seattle - Philadelphia|Frontier AirlinesNZD 131NZD 131
- SEA14:4911h 56m1 stopPHL05:45Sat, May 18|Seattle - Philadelphia|Spirit AirlinesNZD 131NZD 131
- SEA14:5511h 50m1 stopPHL05:45Sat, May 11|Seattle - Philadelphia|Frontier AirlinesNZD 135NZD 135
- SEA23:4613h 3m1 stopPHL15:49Mon, Apr 29|Seattle - Philadelphia|Alaska AirlinesNZD 140NZD 140
- SEA14:2014h 44m1 stopPHL08:04Tue, May 21|Seattle - Philadelphia|Alaska AirlinesNZD 143NZD 143
- SEA22:3418h 55m1 stopPHL20:29Fri, May 10|Seattle - Philadelphia|Frontier AirlinesNZD 144NZD 144
- SEA13:003h 5mDirectPHL14:00Sun, May 5|Seattle - Philadelphia|Frontier 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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Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Philadelphia.
- CheapestSEA14:5511h 50m1 transferPHL05:45Seattle-Tacoma International Airport - Philadelphia International AirportSat, May 4Frontier AirlinesNZD 124
- SEA21:3540h 44m2 transferTTN17:19Seattle-Tacoma International Airport - Trenton Mercer AirportTue, May 7Frontier AirlinesNZD 167
- SEA21:3540h 44m2 transferTTN17:19Seattle-Tacoma International Airport - Trenton Mercer AirportTue, May 7Frontier AirlinesNZD 167Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Seattle to Philadelphia
Cheapest nonstop flight price | NZD 123 |
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Cheapest round-trip ticket price | NZD 339 |
Off-season for travel | December |
Peak season for travel | October |
Flight distance | 3,816.94km |
Average flight time | 5 hours 33 minutes |
Popular airline | American Airlines |
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