Unable to find information about the schedule of direct flights from
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A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Philadelphia to Seattle:
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Answers to questions about the route that travelers are most interested in.
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Looking for cheap flights from Philadelphia to Seattle? Look no further! Our air ticket search website offers the best rates on flights from Philadelphia to Seattle, ensuring you save big on your travel expenses. With our user-friendly interface, you can easily compare different airlines and book the most affordable tickets available. Whether you're planning a business trip or a vacation, our website provides the most up-to-date information on flight schedules and prices. Don't miss out on the chance to visit the stunning Emerald City without breaking the bank. Start your search now and discover the cheapest flights from Philadelphia to Seattle with just a few clicks.
Unable to find information about the schedule of direct flights from
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 Philadelphia to Seattle
Philadelphia — Seattle
05/05/2026
Departure
Direct flight
AS443
starting at $201
Philadelphia — Seattle
05/11/2026
Departure
Direct flight
AS443
starting at $212
starting at $142
You can fly from Philadelphia to Seattle with Alaska Airlines. It is the only carrier on this route, which makes the choice straightforward. Despite the lack of competition, ticket prices remain affordable: fares start from $142. Our service helps you track price changes, compare by dates, and select the most suitable flight. If you value stability and predictability, flying with Alaska Airlines is a convenient solution. We make it easy to find good deals and ensure a comfortable booking process.
The cheapest flight ticket from Philadelphia to Seattle according to data for the last 48 hours costs $142
Often the best time to buy tickets from Philadelphia to Seattle is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Philadelphia to Seattle can be found flying in these months: January.
The fastest flights from Philadelphia to Seattle start from 5 hours 58 minutes in the air.
The following airlines operate direct flights on the route Philadelphia — Seattle: Alaska Airlines
The cheapest one-way flight from Philadelphia to Seattle departs on 05/05/2026, is operated by Alaska Airlines and costs $142
The cheapest roundtrip flight from Philadelphia to Seattle departs on 06/03/2026, is operated by Southwest Airlines and costs $177
Fastest flight from Philadelphia to Seattle takes 5h 58m
There are direct flights on this route 2 days a week: Mo and Tu
The distance between Philadelphia and Seattle is 3819km (2368 miles). There are 38 direct flights from Philadelphia to Seattle. The time difference between Philadelphia and Seattle is 3h. Flights from Philadelphia begin at 7:00 AM. The latest flight from Philadelphia departs at 6:48 PM
A non-stop flight is the most convenient and comfortable way to fly from Philadelphia to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.
We couldn't find any special offers for flights from Philadelphia to Seattle