Seattle (SEA) → Philadelphia (PHL)
About Seattle to Philadelphia Flights
Discover the best flights from Seattle to Philadelphia, covering 3,817 km in approximately 5h 16m. Seattle (SEA) to Philadelphia (PHL) is one of the popular medium-haul routes within United States. With 4 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Seattle to Philadelphia.
12-Month Price History
Flight prices from Seattle to Philadelphia vary significantly throughout the year. February typically offers the best deals with average prices around $576, while July sees the highest prices, averaging $963. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
32 days
For best prices
Booking Tips
For the best prices on Seattle to Philadelphia flights, we recommend booking 57 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
Airline | Economy | Business | First |
---|---|---|---|
UPS Airlines 5X | $800 | $3650 | $4930 |
Piedmont Airlines PT | $800 | $3500 | $5140 |
Alaska Airlines AS | $1020 | $2990 | $5120 |
Delta Air Lines DL | $1030 | $2950 | $5600 |
UPS Airlines
5X
Economy
$800
Business
$3650
First
$4930
Piedmont Airlines
PT
Economy
$800
Business
$3500
First
$5140
Alaska Airlines
AS
Economy
$1020
Business
$2990
First
$5120
Delta Air Lines
DL
Economy
$1030
Business
$2950
First
$5600
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Seattle → New York
Seattle-Tacoma International (SEA) to John F. Kennedy International (JFK)
Distance: 3,887 km
Average price: $683
Seattle → Newark
Seattle-Tacoma International (SEA) to Newark Liberty International (EWR)
Distance: 3,855 km
Average price: $678
Seattle → Washington
Seattle-Tacoma International (SEA) to Ronald Reagan Washington National (DCA)
Distance: 3,738 km
Average price: $661
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Frequently Asked Questions
How long is the flight from Seattle to Philadelphia?
The flight time from Seattle (SEA) to Philadelphia (PHL) is approximately 5 hours and 16 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Seattle and Philadelphia?
The aerial distance between Seattle and Philadelphia is 3,817 kilometers (2,372 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Seattle to Philadelphia?
Several airlines operate flights between Seattle and Philadelphia, including Delta Air Lines, Alaska Airlines, Piedmont Airlines and 1 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Seattle to Philadelphia?
Based on historical data, February typically offers the lowest airfares for flights from Seattle to Philadelphia. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Philadelphia?
For the best prices on Seattle to Philadelphia flights, we recommend booking 76 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.
Do I need a visa to travel from Seattle to Philadelphia?
Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.
What is the time difference between Seattle and Philadelphia?
Seattle operates on America/Los_Angeles time zone, while Philadelphia is in the America/New_York time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.