Traveling from Philadelphia to Seattle: what you need to know
Countless great adventures start at one of Philadelphia's main airports, Philadelphia International Airport (PHL) or Trenton-Mercer Airport (TTN). Explore your options for booking a flight from Philadelphia to Seattle leaving from either of these.
Disembark at Seattle-Tacoma International Airport (SEA). This is the primary arrival point in Seattle.
6 hours 6 minutes is the average journey time for a direct flight from Philadelphia to Seattle. Operating on the UTC-7 timezone, Seattle is 3 hours behind Philadelphia.
With 24 flights a week between the two airports, Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA) is the most popular route. Board the first flight from Philadelphia to Seattle with Alaska Airlines at 07:00. If you'd like to get more out of your day before jetting off, the last departure from PHL to SEA is with American Airlines at 19:16.
Leave plenty of time to make your flight from Philadelphia to Seattle. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.
Traveling during a peak period like school or public holidays? Expect longer queues at security and check-in. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.
When flying within United States, you won't need a visa or even a passport. However, you'll have to present some kind of identification, like an ID card or driver's license. Once you've booked cheap flights from Philadelphia to Seattle, make sure your ID is up to date.
Flying from Philadelphia
Philadelphia International Airport (PHL)
You can reserve a direct flight from Philadelphia to Seattle departing from Philadelphia International Airport (PHL). Begin your journey at PHL and touch down at Seattle-Tacoma International Airport (SEA).
You can book a direct flight from Philadelphia to Seattle with American Airlines. This well-known airline operates services from PHL.
Consider adding a stopover to potentially save on your flight from Philadelphia to Seattle. Simply uncheck 'Direct flights only' when searching for departures from Philadelphia International Airport. Take a break from traveling at one of these popular airports:
Detroit Metropolitan Wayne County Airport (DTW)
Minneapolis-St. Paul International Airport (MSP)
Pearson International Airport (YYZ)
The journey from central Philadelphia to PHL takes around 44 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 12 miles in 17 minutes or so, depending on traffic.
Catching an early flight from Philadelphia to Seattle? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these hotels near Philadelphia International Airport:
Arriving in Seattle
Seattle-Tacoma International Airport (SEA)
Seattle-Tacoma International Airport (SEA) to central Seattle is approximately 14 miles. It'll take you about 18 minutes to reach the center driving.
When traveling by public transport, expect a journey time of roughly 54 minutes.
Reserve a hotel close to SEA if you have a late flight from Philadelphia to Seattle. Settle into one of these options and avoid the hassle of a long transfer:
Lake Union Sea Plane Base Airport (LKE)
Once your flight from Philadelphia to Seattle has touched down, you can get to the city center in about 11 minutes by car. Central Seattle is approximately 2 miles from Lake Union Sea Plane Base Airport (LKE).
You can also travel using public transport, which will take around 23 minutes.
You'll find some cozy stays ready to welcome you near LKE. Kick back after your flight from Philadelphia to Seattle at one of these well-located options:
How to find the cheapest flights from Philadelphia to Seattle
$80 is currently the lowest price for a one-way ticket from Philadelphia to Seattle. Return flights start at $167. These prices can change based on availability.
Book 9 months before you travel. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from Philadelphia to Seattle.
Schedule your trip for May. That's the cheapest month for tickets from Philadelphia to Seattle. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest price across every month.
Getting a cheap ticket from Philadelphia to Seattle is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when the price has fallen.
Use filters to tailor your flights from Philadelphia to Seattle. Enter your ideal arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.
Best time to go to Seattle
July is the most popular month for flights from Philadelphia to Seattle. To steer clear of the crowds, head to Seattle in May.
The warmest month in Seattle is August, with temperatures ranging between 54ºF and 82ºF. Lock in your flights from Philadelphia to Seattle in this month if you enjoy this type of weather.
If you'd rather travel in cooler conditions, lock in a cheap ticket from Philadelphia to Seattle in February when temperatures average between 30ºF and 52ºF.
More about Seattle
After booking your flight from Philadelphia to Seattle, think about where you want to stay in this city. Make one of these accommodation options your base for exploring Seattle:
Every great vacation has to include a little sightseeing. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are must-visits when exploring Seattle.
Complete your Seattle trip with a car rental
Explore our range of car rentals once you've booked your hotel and cheap flight from Philadelphia to Seattle. Whether you're after a compact ride, family sedan or something in between, you can compare companies in one go to find the best deal.