Flying from Seattle to Philadelphia: what you need to know
Kick off your travels at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Explore flights from Seattle to Philadelphia that leave from this base.
When it comes to touching down in Philadelphia, Philadelphia International Airport (PHL) is a primary hub. Another is Trenton-Mercer Airport (TTN).
The average time for a direct Seattle to Philadelphia flight is 5 hours 10 minutes.
Philadelphia is three hours ahead of Seattle and follows the UTC-4 timezone.
The busiest route for flights from Seattle to Philadelphia is from Seattle-Tacoma International Airport (SEA) to Philadelphia International Airport (PHL). Take your pick of 21 services every week between these two airports. If you'd like to set off at the first opportunity, the earliest flight from SEA to PHL is the 08:30 Alaska Airlines option. If you prefer travelling later, the last departure is at 23:52 with American Airlines.
Give yourself enough time to catch your Seattle to Philadelphia flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.
During popular months like July, you'll want to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead for international flights when you fly during high season in general.
How to find the cheapest flights from Seattle to Philadelphia
Score cheap Seattle to Philadelphia flights by booking two months ahead. According to our research, that's the ideal time frame for finding a bargain.
May is the best month for scoring an incredible deal on a plane ticket from Seattle to Philadelphia. If you're looking to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.
Spend less time searching for cheap flights from Seattle to Philadelphia by creating a Price Alert. We'll send you an email or notification through the app when a special offer becomes available.
Tailor your flights using filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' Seattle to Philadelphia flights.
Flying from Seattle
Seattle-Tacoma International Airport (SEA)
If you're searching for a direct flight from Seattle to Philadelphia, you can depart from Seattle-Tacoma International Airport (SEA). Get from SEA to Philadelphia International Airport (PHL) in one continuous trip.
Look out for promotions with Alaska Airlines. This carrier offers direct Seattle to Philadelphia plane tickets from SEA.
SEA is around 18 kilometres from central Seattle. If you're catching a cab, driving or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 55 minutes.
Looking for a convenient hotel near Seattle-Tacoma International Airport? If you've booked an early flight from Seattle to Philadelphia, these accommodation options will have you sleeping moments from your departure gate:
Seattle-Tacoma International Airport scores top marks for on-time performance. 81.27% of flights that depart SEA arrive at their destination as scheduled.
Arriving in Philadelphia
Philadelphia International Airport (PHL)
Philadelphia International Airport (PHL) is approximately 11 kilometres from the centre of Philadelphia. If you're catching a cab or a ride-share, the drive will take around 15 minutes.
Travelling to the centre on public transport will take you around 45 minutes.
The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Seattle to Philadelphia. Check in to one of these accommodation options near PHL instead:
Get on the fast track to adventure by picking up a Philadelphia International Airport rental car. Grab your wheels from Dollar, Thrifty or Budget and experience the lesser-explored corners of Philadelphia and beyond.
Reserving your vehicle from Philadelphia International Airport around three weeks ahead gives you the best chance of locking in a great deal.
The street address for PHL is 8500 Essington Ave.
Trenton-Mercer Airport (TTN)
As soon as your flight from Seattle to Philadelphia has touched down, you can get to the city centre in about 40 minutes by car. Central Philadelphia is roughly 48 kilometres from Trenton-Mercer Airport (TTN).
You can expect the trip to take roughly 1 hour 45 minutes on public transport.
Forget about inconvenient public transport timetables or long cab lines. Pick up a Trenton-Mercer Airport rental car and take your trip in whatever direction you choose. Check out the availability and rates from Budget, National and Enterprise.
Snap up a deal by reserving your ride from TTN four weeks ahead of time. You'll also have access to a greater selection of vehicles.
Trenton-Mercer Airport can be found at Scotch Road, Terminal Building.
Best time to go to Philadelphia
February is the quietest month for flights from Seattle to Philadelphia, while August is the busiest. Choose the ideal time to visit Philadelphia based on whether you prefer a laid-back vibe or a lively atmosphere.
Lock in a Seattle to Philadelphia ticket departing in July if you want to explore the city during its warmest month. Expect temperatures in Philadelphia to range from 18ºC to 32ºC.
If you'd rather travel in cooler conditions, look for a cheap flight from Seattle to Philadelphia in January when temperatures average between -7ºC and 9ºC.
More about Philadelphia
When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Philadelphia right here. Browse these hotels as soon as you've locked in your flight from Seattle to Philadelphia:
Liberty Bell and Independence Hall are a couple of top-rated attractions to add to your Philadelphia must-do list. Keep the sightseeing going at Philadelphia Museum of Art.
Explore more of United States
Philadelphia has plenty going for it, but there are so many other parts of United States just waiting to be discovered. About 129 kilometres north-east of Philadelphia, a trip to New York will keep your itinerary busy. Don't miss top attractions like Statue of Liberty, Central Park and Empire State Building.
Boston is another sought-after destination in United States and is around 434 kilometres north-east of Philadelphia. No trip is complete without dropping by Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum.
