Direct flights from Seattle to Philadelphia
40 nonstop flights a week on 3 airlines. Zero layovers — one hop from SEA to PHL.
Flight time: about 4h47m nonstop
Which days does it fly?
When does it fly?
Departure times in Seattle local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| American AAL986 | 8:32a | 4h51m | Sat |
| American AAL986 | 8:42a | 4h34m | Tue–Wed |
| American AAL986 | 8:48a | 4h48m | Mon, Thu, Sun |
| American AAL986 | 8:59a | 4h47m | Fri |
| Alaska ASA442 | 9:40a | 5h2m | Sat |
| Alaska ASA442 | 9:45a | 4h57m | Mon |
| Alaska ASA442 | 9:58a | 4h33m | Tue, Wed, Thu, Fri, Sun |
| American AAL2870 | 1:04p | 4h40m | Thu |
| American AAL2870 | 1:30p | 4h42m | Mon |
| American AAL2870 | 1:38p | 4h46m | Fri, Sun |
| Alaska ASA371 | 9:38p | 4h51m | Mon, Wed, Thu |
| Delta DAL1114 | 9:44p | 4h34m | Sun |
| Delta DAL1114 | 9:45p | 4h24m | Mon, Tue, Thu |
| Alaska ASA371 | 9:56p | 4h47m | Tue, Fri, Sat |
| Delta DAL1114 | 10:00p | 4h39m | Fri–Sat |
| Delta DAL1114 | 10:11p | 4h37m | Wed |
| Alaska ASA371 | 10:22p | 4h54m | Sun |
| American AAL2886 | 10:54p | 4h51m | Tue |
| American AAL2886 | 10:57p | 4h46m | Wed, Sat, Sun |
| American AAL2886 | 11:10p | 4h50m | Thu–Fri |
| American AAL2886 | 11:22p | 4h54m | Mon |
| American AAL986 | 11:50p | 4h55m | Thu |
American
DeltaThe route
One hop: SEA → PHLDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Seattle (SEA) to Philadelphia (PHL)
Seattle–Tacoma International Airport (SEA) has 40 nonstop flights a week to Philadelphia (PHL), operated by American, Alaska and Delta. No layovers, no connections — one hop out of SEA and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Seattle to Philadelphia?
The nonstop flight from Seattle (SEA) to Philadelphia (PHL) takes about 4h47m in the air, based on recently observed nonstop departures.