PHL to SEA: Distance and Flight Time
The distance from Philadelphia International Airport (PHL) to Seattle–Tacoma International Airport (SEA) is 3,818 km (2,372 mi). A typical nonstop flight covers it in about 5h 15m, heading northwest. The distance is the same in either direction (SEA to PHL).
How far is it from Philadelphia to Seattle?
The great-circle distance between Philadelphia International Airport (PHL) and Seattle–Tacoma International Airport (SEA) is 3,818 km (2,372 mi, 2,061 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from PHL to SEA?
A nonstop flight typically takes about 5h 15m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. SEA is roughly northwest of PHL.
How is the PHL to SEA route written in code?
The pair is written PHL-SEA in IATA codes and KPHL-KSEA in ICAO codes, the form used on a flight plan. Philadelphia International Airport is PHL (KPHL), Seattle–Tacoma International Airport is SEA (KSEA).
| PHL | SEA | |
|---|---|---|
| Airport | Philadelphia International Airport | Seattle–Tacoma International Airport |
| ICAO code | KPHL | KSEA |
| Country | United States | United States |
| Elevation | 36 ft | 433 ft |
| Rank by connections | #33 | #67 |
Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
SEA sits 397 ft (121 m) higher than PHL, which is a real difference in air density on takeoff.
Airlines flying PHL to SEA
3 airlines appear on this route in the open route dataset, 3 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| AA | American Airlines | AAL | American | Active |
| AS | Alaska Airlines | ASA | Alaska | Active |
| US | US Airways | USA | U S Air | Active |
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Philadelphia from Seattle?
Philadelphia International Airport (PHL) and Seattle–Tacoma International Airport (SEA) are 3,818 km (2,372 mi, 2,061 nautical miles) apart in a straight line.
How long is the flight from PHL to SEA?
A typical nonstop flight between PHL and SEA takes about 5h 15m. Actual times vary with aircraft type, winds and routing.
What direction is SEA from PHL?
Seattle–Tacoma International Airport (SEA) lies roughly northwest of Philadelphia International Airport (PHL).
Which airlines fly PHL to SEA?
3 airlines appear on the PHL-SEA route in the open dataset, including American Airlines, Alaska Airlines, US Airways.
Related routes
Other routes from Philadelphia (PHL):
Other routes from Seattle (SEA):
PHL airport code · SEA airport code · Busiest airports worldwide