Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Seattle to Philadelphia. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Seattle to Philadelphia, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
There are most likely no direct flights on the Seattle — Philadelphia route
Philadelphia, the City of Brotherly Love, is served by two major airports, offering travelers various options for their arrival. Firstly, Philadelphia International Airport (PHL) is the primary gateway to the city. Boasting a wide range of international and domestic flights, PHL offers convenient connections with prestigious airlines like American Airlines and Delta Air Lines. However, due to its popularity, travelers might experience longer waiting times during peak hours. Alternatively, travelers can opt for the smaller and less crowded Philadelphia Northeast Airport (PNE). Although it primarily serves general aviation and private aircraft, it offers a unique advantage in terms of accessibility. Located just 13 miles from the city center, PNE allows for quicker transfers, reducing travel time and costs for passengers. While it may not have the same prestige as PHL, PNE provides a hassle-free experience for those seeking convenience. Regardless of the airport chosen, both offer a range of ground transportation options to reach downtown Philadelphia. PHL provides convenient access to the SEPTA Regional Rail Line, connecting passengers to the city within 30 minutes. Moreover, various shuttle services and taxis are readily available. On the other hand, PNE provides easy access to major highways, allowing travelers to reach the city swiftly by car or taxi. In conclusion, Philadelphia's airports provide a mix of benefits and downsides for arriving travelers. While Philadelphia International Airport offers a wide range of flights and connections with prestigious airlines, it may be subject to longer waiting times during busy periods. However, the smaller Philadelphia Northeast Airport provides a quicker and more accessible option, minimizing travel time and costs. In either case, travelers can enjoy a host of ground transportation options to reach the vibrant city of Philadelphia efficiently. Book your air tickets now and experience the charm of the City of Brotherly Love.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Seattle to Philadelphia
Seattle — Philadelphia
06/08/2026
Departure
Direct flight
AS371
starting at $320
starting at $320
starting at $238
The route Seattle — Philadelphia is served by several airlines: Alaska Airlines and Frontier Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $238 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest flight ticket from Seattle to Philadelphia according to data for the last 48 hours costs $238
Often the best time to buy tickets from Seattle to Philadelphia is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Seattle to Philadelphia can be found flying in these months: June.
The fastest flights from Seattle to Philadelphia start from 7 hours 1 minute in the air.
The following airlines operate direct flights on the route Seattle — Philadelphia: Alaska Airlines
The cheapest one-way flight from Seattle to Philadelphia departs on 06/08/2026, is operated by Frontier Airlines and costs $238
The cheapest roundtrip flight from Seattle to Philadelphia departs on 07/03/2026, is operated by American Airlines and costs $341
Fastest flight from Seattle to Philadelphia takes 1d 7h 1m
There are direct flights on this route 1 day a week: Mo
The distance between Seattle and Philadelphia is 3819km (2368 miles). The time difference between Seattle and Philadelphia is 3h
We couldn't find any special offers for flights from Seattle to Philadelphia