Seattle to Philadelphia (BFI–PHL) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Last scheduled nonstop: Jun 2026.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
While no nonstop service exists between BFI and PHL, 1-stop connecting options are available.
Connection Landscape
On-Time Performance
Other ways to reach Philadelphia from Seattle
| Metric | BFI→PHL | SEA→PHL | PAE→PHL |
|---|---|---|---|
| Distance from BFI | – | 5 mi | 26 mi |
| Nonstop airlines | – | 6 | 1 |
| Weekly flights | – | 87 | – |
| Flight time | 4h 55m | 5h 6m | 5h 50m |
Travel Essentials
BFI: PDT · PHL: EDT
When it's 6:00 PM in Seattle, it's 9:00 PM in Philadelphia.
SEPTA Airport Line from the terminal to Center City takes 25–30 minutes ($8). Trains run every 30 minutes (5am to midnight) to 30th Street, Suburban, and Jefferson stations; all with connections to the subway and regional rail network. Buy tickets at platform machines.Taxis to Center City cost $28–35 (flat rate). Ride-shares to Center City run $22–35. For New York City, the Bolt Bus and Greyhound stop near 30th Street Station, or take NJ Transit to New York Penn Station (connecting from 30th Street). Amtrak also departs 30th Street Station for New York in 65 minutes.
Humid continental climate on the Delaware River. Winters (December–March) are cold (−2 to 5°C) with snow and ice. Philadelphia sits in the I-95 "snow corridor" and receives significant nor'easter snowfall several times per winter. PHL has solid de-icing capacity, but major storms cause multi-hour and multi-day disruptions.
Summers are hot and humid (28–34°C) with afternoon thunderstorms that cause frequent delays June through August. Spring and fall are transitional with variable conditions. Fog along the Delaware is occasional in fall and early winter mornings.
BFI–PHL Quick Facts
Frequently Asked Questions
Flights from BFI to PHL
King County International Airport - Boeing Field (BFI) and Philadelphia International Airport (PHL) are connected through multiple connecting hub airports.
BFI to PHL Flight Duration and Schedule
Nonstop flight time from BFI to PHL is about 4 hours 55 minutes gate to gate. The route covers a distance of 2,371 miles (3,816 km).
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Salt Lake City. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (SEA) and Everett (PAE).