3 airlines fly nonstop from Seattle to Philadelphia.
Checking today’s fares with the airlines.
| Airline | From | To |
|---|---|---|
| Alaska Airlines | SEA Seattle-Tacoma International Airport | PHL Philadelphia International Airport |
| Delta Air LinesSeasonal | SEA Seattle-Tacoma International Airport | PHL Philadelphia International Airport |
| American Airlines | SEA Seattle-Tacoma International Airport | PHL Philadelphia International Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
7 miles (11 km) from the city centre. 30.9 million passengers in 2024
| How | Route | Time | Cost |
|---|---|---|---|
| Train | SEPTA Airport Line to Center City (Suburban Station) | about 24m | – |
| Taxi | Taxi, flat rate between the airport and Center City | – | $32 flat rate |
No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.
Philadelphia is 3 hours ahead of Seattle. Philadelphia uses the US dollar (USD).
Read the Philadelphia guide: when to go, weather, airports and tips
Nonstop flight times vary by airline and season; flights with a connection take longer.
As of October 2026, Alaska Airlines, Delta Air Lines and American Airlines fly this route nonstop, some of them seasonally.
About 2,373 miles (3,819 km), measured between the city centres.
Philadelphia is 3 hours ahead of Seattle.
No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.
SEPTA Airport Line to Center City (Suburban Station), about 24 minutes.
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.