- Cheapest roundtrip flight
- from€398
- Fastest outbound flight
- Fastest inbound flight
- non-stop flights
- 11x / week
- Flight distance
- 3,822 km
- Time difference
- Most popular airlines
- American Airlines
- Delta Air Lines
- Alaska Airlines
- American Airlines
Cheap flight offers from Seattle to Philadelphia
sorted by price and recency
- – –SEA–PHL3 stopovers–PHL–SEA3 stopovers€1,169
- – –SEA–PHLnon-stop flight–PHL–SEAnon-stop flight€618
- –
–SEA–PHLnon-stop flight–PHL–SEAnon-stop flight€526 - – –SEA–PHL1 stopover–PHL–SEA1 stopover€458
- – –SEA–PHLnon-stop flight–PHL–SEAnon-stop flight€398
- – –SEA–PHL1 stopover–PHL–SEA1 stopover€3,039
Flight schedule from Seattle-Tacoma (SEA) to Philadelphia (PHL)
Select a travel date in the flight schedule for the route from Seattle-Tacoma (SEA) to Philadelphia (PHL) and compare affordable flight deals.
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Matching outbound flightsSEA–PHL · 11 of 11
fromto
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durationstopovers
- November 8 – 14, 2026
- November 15 – 21, 2026
- November 22 – 28, 2026
- SEAPHLnonstop
- SEAPHLnonstop
- SEAPHLnonstop
- SEAPHLnonstop
- SEAPHLnonstop
- SEAPHLnonstop
- SEAPHLnonstop
- SEAPHLnonstop
- SEAPHLnonstop
- SEAPHLnonstop
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Important flight information
Frequently Asked Questions (FAQ)
How long is the flight from Seattle-Tacoma to Philadelphia?
A nonstop flight from Seattle-Tacoma to Philadelphia typically takes around 5 hours 21 minutes. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 9 hours 10 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.
Are there nonstop flights from Seattle-Tacoma to Philadelphia?
Yes, there are nonstop flights from Seattle-Tacoma to Philadelphia, although not necessarily every day. On average, around 11 to 12 flights per week are available. If you have flexibility with your travel dates, you will have an easier time finding a suitable nonstop connection.
Which airlines fly from Seattle-Tacoma to Philadelphia?
Direct flights from Seattle-Tacoma to Philadelphia are operated by, among others, American Airlines, Alaska Airlines and Delta. Connecting flights with one stop are also available, for example with Delta (via Minneapolis) and United Airlines (via San Francisco). If travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.
On which days are there nonstop flights from Seattle-Tacoma to Philadelphia?
Nonstop flights from Seattle-Tacoma to Philadelphia operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
How many flights are there per day from Seattle-Tacoma to Philadelphia?
On the route from Seattle-Tacoma to Philadelphia, there are on average around 1 to 2 flights per day. The number of flights can vary by day of the week and season. If you are flexible with your dates, it is worth comparing several departure days.
How many flights per week are there from Seattle-Tacoma to Philadelphia?
On the route from Seattle-Tacoma to Philadelphia, there are around 11 to 12 flights per week. The number of flights can vary depending on the season and day of the week. If you have flexibility, it is worth looking at several departure days.
When does the first flight from Seattle-Tacoma to Philadelphia depart?
The earliest nonstop flight from Seattle-Tacoma to Philadelphia usually departs at 8:11 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Philadelphia.
When does the last flight from Seattle-Tacoma to Philadelphia depart?
The last nonstop flight from Seattle-Tacoma to Philadelphia usually departs at 11:31 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.