Wayfli › Philadelphia (PHL) › To Seattle (SEA)
Philadelphia (PHL) to Seattle (SEA) flights
There are direct flights from Philadelphia International Airport to Seattle Tacoma International Airport, sold by 2 airlines (including codeshares): American Airlines and Alaska Airlines. The distance is 3,818 km, about 5h 10m in the air. There are also 19 one-stop options, via airports such as Chicago, Dallas-Fort Worth and Atlanta.
Live fares for PHL → SEASee all routes on the map3,818 kmdistance
~5h 10mdirect flight time (estimate)
2direct airlines
19one-stop options
Direct flights from Philadelphia to Seattle
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| PHL → SEA | American Airlines, Alaska Airlines | 3,818 km | ~5h 10m |
Best one-stop connections
Through the biggest hubs first. Times include about 100 minutes to change planes.
| Via | Airlines | Distance | Time (est.) |
|---|---|---|---|
| ORD Chicago | American Airlines and United Airlines then American Airlines and Alaska Airlines | 3,850 km | ~7h 20m |
| DFW Dallas-Fort Worth | American Airlines then American Airlines and Alaska Airlines | 4,761 km | ~8h 30m |
| ATL Atlanta | American Airlines and Air France then Air France and Aeromexico | 4,577 km | ~8h 15m |
| EWR Newark | American Airlines then American Airlines and Alaska Airlines | 3,984 km | ~7h 30m |
| DEN Denver | American Airlines and United Airlines then American Airlines and Alaska Airlines | 4,145 km | ~7h 45m |
| YYZ Toronto | American Airlines and Air Canada then Air Canada | 3,865 km | ~7h 25m |
| CLT Charlotte | American Airlines then American Airlines | 4,382 km | ~8h |
| LAS Las Vegas | American Airlines and Frontier Airlines then Alaska Airlines and Southwest Airlines | 4,890 km | ~8h 40m |
| IAD Washington | United Airlines then United Airlines | 3,918 km | ~7h 25m |
| BOS Boston | American Airlines and jetBlue then American Airlines and Alaska Airlines | 4,456 km | ~8h 5m |
| DCA Washington | American Airlines then Alaska Airlines | 3,930 km | ~7h 30m |
| MDW Chicago | Southwest Airlines then Southwest Airlines | 3,855 km | ~7h 20m |
More from Philadelphia and Seattle
- Seattle (SEA) to Philadelphia (PHL) · return route
- All direct flights from Philadelphia (PHL)
- All direct flights from Seattle (SEA)
- Philadelphia to Amsterdam (AMS)
- Philadelphia to Paris (CDG)
- Philadelphia to Frankfurt (FRA)
- Philadelphia to Chicago (ORD)
- Philadelphia to Barcelona (BCN)
- Philadelphia to Dallas-Fort Worth (DFW)
- Philadelphia to Madrid (MAD)
- Philadelphia to Rome (FCO)
- Philadelphia to Munich (MUC)
- Philadelphia to London (LHR)
- Philadelphia to Atlanta (ATL)
- Philadelphia to Houston (IAH)
- Istanbul (IST) to Seattle
- Amsterdam (AMS) to Seattle
- Paris (CDG) to Seattle
- Frankfurt (FRA) to Seattle
- Dubai (DXB) to Seattle
- Beijing (PEK) to Seattle
- Chicago (ORD) to Seattle
- Dallas-Fort Worth (DFW) to Seattle
- Shanghai (PVG) to Seattle
- London (LHR) to Seattle
- Atlanta (ATL) to Seattle
- Houston (IAH) to Seattle
Routes come from current airline fares, updated weekly (last update 9 November 2026), plus older schedule data for airports with few recent fares. “Direct” can include a few same-plane flights with a stop. Flight times are estimates from distance. Always check with the airline before booking.