Travelling from Philadelphia to Seattle-Tacoma International Airport (SEA): What you need to know
Get your trip planning underway by checking out the best departure point for your flight from Philadelphia to Seattle-Tacoma International Airport (SEA). Explore the options for taking off from Philadelphia International Airport (PHL) or Trenton-Mercer Airport (TTN), the city's main airports.
The average time for a direct Philadelphia to Seattle-Tacoma International Airport flight is 6 hours 5 minutes.
Seattle is three hours behind Philadelphia. Seattle-Tacoma International Airport is located in Seattle, which is in the UTC-7 timezone.
With 21 direct weekly flights between the two airports, Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA) is the most popular route. Alaska Airlines operates the earliest flight at 6:45am. If you'd like to get more out of your day before leaving, the last flight from PHL to SEA is with American Airlines at 7:10pm.
To ensure you catch your flight from Philadelphia to SEA, allow plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.
With more travellers during high season, you'll want to be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will allow for additional wait times.
Airports in Philadelphia
Philadelphia International Airport (PHL)
You can book a direct flight from Philadelphia to Seattle-Tacoma International Airport (SEA) out of Philadelphia International Airport (PHL).
Book your direct flight from Philadelphia to Seattle-Tacoma International Airport with Alaska Airlines. This leading airline operates services from PHL.
The preferred choice for passengers flying between PHL and SEA is Alaska Airlines.
The most punctual carrier on this route is American Airlines. Its services land as scheduled 71.74% of the time.
The journey from central Philadelphia to PHL takes about 45 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 19 kms (12 miles) in 15 minutes or so, depending on traffic.
Catching an early flight from Philadelphia to Seattle-Tacoma International Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these stays close to Philadelphia International Airport:
Of all flights departing from Philadelphia International Airport, 78.93% arrive as scheduled at their destination.
The address for PHL is 8500 Essington Ave.
Trenton-Mercer Airport (TTN)
TTN is around 56 kms (35 miles) from central Philadelphia. It takes 40 minutes or so to get to the airport driving from the city centre. Public transport takes approximately 1 hour 45 minutes.
Want to treat yourself to an extra night away before boarding your Philadelphia to SEA flight? Unwind in a hotel near Trenton-Mercer Airport before your trip officially begins. These stays have a room with your name on it:
The majority of flights that leave Trenton-Mercer Airport touch down at their destination right on cue. It boasts a strong on-time performance rate of 82.45%.
TTN is located at Scotch Road, Terminal Building.
About Seattle-Tacoma International Airport (SEA)
Reserve a hotel close to SEA if you have a late flight from Philadelphia to Seattle-Tacoma International Airport. Settle into one of these accommodation options and be in bed in no time flat:
Explore without limits with a Seattle-Tacoma International Airport rental car. Book your wheels from Thrifty, Europcar or Budget and experience more of Seattle and beyond.
For the lowest price, book your vehicle around one week ahead of your Philadelphia to Seattle-Tacoma International Airport flight.
Getting from Seattle-Tacoma International Airport (SEA) to central Seattle
Seattle-Tacoma International Airport is about 11 miles from central Seattle. How long it'll take to get to the centre by cab or car hire depends on the time of day. Do some research before you go.
It'll take around 55 minutes if you're travelling by public transport.
How to find the cheapest flights from Philadelphia to Seattle-Tacoma International Airport (SEA)
The lowest price we've found for a one-way ticket from Philadelphia to Seattle-Tacoma International Airport is £78. For a return flight on this route, the best price is £155. Depending on when you want to go and the availability, these fares can change.
To find cheap flights from Philadelphia to SEA, book ahead. Airlines generally offer lower fares when tickets are first released.
Cheap Philadelphia to Seattle-Tacoma International Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' search function to compare fares throughout the month and then fly out on the cheapest day.
Be the first to know about deals for plane tickets from Philadelphia to SEA by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.
Tailor your trip using filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Philadelphia to Seattle-Tacoma International Airport.
The best time to fly from Philadelphia to Seattle-Tacoma International Airport (SEA)
May is the quietest month for flights from Philadelphia to Seattle-Tacoma International Airport (SEA), while July is the most popular. Pick the best time to go to Seattle based on whether you prefer a laid-back vibe or a more bustling atmosphere.
Book a Philadelphia to SEA plane ticket departing in August if you're eager to visit the city during its warmest month. Expect temperatures in Seattle to range from 12ºC (54ºF) to 28ºC (82ºF).
If you like cooler conditions, look for a cheap ticket from Philadelphia to Seattle-Tacoma International Airport in February when temperatures are between -1ºC (30ºF) and 11ºC (52ºF).
More about Seattle
When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Seattle right here. Browse these options after locking in your flight from Philadelphia to Seattle-Tacoma International Airport:
All great holidays should include some sightseeing. Pike Place Market, Space Needle and Seattle Skyline are essential stops on your Seattle itinerary.
Explore more of the United States
Seattle has its own special appeal, but there are so many other corners of the United States waiting to be discovered. About 209 kms (130 miles) south of Seattle, a visit to Portland will keep your itinerary busy. Start with attractions like Portland Japanese Garden, Voodoo Doughnut and Great Northwest.
Around 209 kms (130 miles) south of Seattle, Vancouver is another favourite stop in the United States. Experience this destination's highlights firsthand at Vancouver Waterfront, Reconstructed HBC Fort Vancouver and Fort Vancouver National Historic Site Garden.
