Travelling from Seattle-Tacoma International Airport (SEA) to Philadelphia: what you need to know
The average time for a direct flight from Seattle-Tacoma International Airport to Philadelphia is 6 hours 10 minutes.
Seattle-Tacoma International Airport is located in Seattle. Following the UTC-5 timezone, Philadelphia is three hours ahead of Seattle.
There are 29 services a week between Seattle-Tacoma International Airport (SEA) and Philadelphia International Airport (PHL). This is the most popular flight route.
For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to catch your SEA to Philadelphia flight.
You can expect longer lines during popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.
Start your journey at SEA and fly nonstop to Philadelphia International Airport (PHL). That's where you can expect to touch down when searching for Seattle-Tacoma International Airport to Philadelphia tickets.
Leading carriers that operate direct flights from Seattle-Tacoma International Airport to Philadelphia include:
Located around 18 kms (11 miles) from the centre of Seattle, SEA can be reached in about 25 minutes by car. Travelling on public transport takes roughly 35 minutes.
Catching an early flight from Seattle-Tacoma International Airport to Philadelphia? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to SEA:
80% of flights departing from Seattle-Tacoma International Airport reach their destination as planned. Given its strong on-time stats, you're unlikely to experience delays when jetting out of SEA.
How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Philadelphia
£79 is currently the best price for a one-way Seattle-Tacoma International Airport to Philadelphia flight. Return plane tickets start at £165. These prices can change depending on availability.
To pick up cheap flights from SEA to Philadelphia, book as early as possible. Airlines usually offer lower fares when tickets first go on sale.
The 'Whole month' search tool will show you the cheapest tickets from Seattle-Tacoma International Airport to Philadelphia across the entire month. It's a good way to find a bargain if your dates are flexible.
Spend less time searching for cheap flights from SEA to Philadelphia by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.
Tailor your trip with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle-Tacoma International Airport to Philadelphia.
Airports in Philadelphia
Philadelphia International Airport (PHL)
The distance from Philadelphia International Airport (PHL) to central Philadelphia is roughly 18 kms (11 miles). It'll take you about 20 minutes to get to the centre driving.
It takes around 30 minutes to get there by public transport.
The last thing you want is a long journey to your hotel if you're getting in late on a flight from Seattle-Tacoma International Airport to Philadelphia. Stay at one of these accommodation options near PHL instead:
Reserving your ride from Philadelphia International Airport around three weeks in advance of your flight from SEA to Philadelphia can help you secure the lowest rate.
The street address for PHL is 8500 Essington Ave.
Trenton-Mercer Airport (TTN)
After your flight from Seattle-Tacoma International Airport to Philadelphia has hit the tarmac, you can make your way to the city centre in around 40 minutes by car. Central Philadelphia is roughly 48 kms (30 miles) from Trenton-Mercer Airport (TTN).
Public transport will get you there in about 1 hour 35 minutes.
You'll find some comfortable places to rest your head close to TTN. Tuck yourself in and get cosy after your SEA to Philadelphia flight at any of these perfectly located options:
Lock in the best price by booking your ride from TTN four weeks ahead of time. You'll also have access to a greater selection of vehicles.
You can find Trenton-Mercer Airport at Scotch Road, Terminal Building.
Best time to go to Philadelphia
December is the quietest month for flights from Seattle-Tacoma International Airport to Philadelphia, while July is the most popular. Figure out the best time to visit Philadelphia based on whether you prefer a lively atmosphere or a more laid-back vibe.
The warmest month in Philadelphia is July, with temperatures ranging between 18ºC and 32ºC. Book your Seattle-Tacoma International Airport to Philadelphia plane ticket then if that's your ideal forecast.
Look for cheap tickets from SEA to Philadelphia in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -7ºC and 9ºC on average.
More about Philadelphia
Once you've booked your flight from Seattle-Tacoma International Airport to Philadelphia, find a hotel that offers both comfort and a great location. Make one of these options your base for exploring Philadelphia:
All great holidays should include a little sightseeing. Liberty Bell, Independence Hall and Philadelphia Museum of Art are essential stops on your Philadelphia itinerary.
Explore more of the United States
Philadelphia has plenty going for it, but there are so many other corners of the United States you should also see. Around 129 kms (80 miles) northeast of Philadelphia, a trip to New York will keep you on the go. Start with leading attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.
Around 434 kms (270 miles) northeast of Philadelphia, Boston is another essential stop in the United States. Experience the best of this destination with a visit to Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.
