Good to know - Cheap tickets Philadelphia — Seattle
| Minimal flight time | 6h 5m |
|---|---|
| Flight distance | 3820 km |
| Most popular airline | Alaska Airlines |
| Round-trip from | $130 |
Airfare Philadelphia – Seattle by month
Here you can find out in what months how much a ticket Philadelphia – Seattle costs to buy cheap plane tickets.
| Month | One-way | Round-trip |
|---|---|---|
| September 2026 | ||
| August 2026 | ||
| July 2026 | ||
| June 2026 | ||
| May 2026 | ||
| April 2026 | ||
| March 2026 | ||
| February 2026 | ||
| January 2026 | ||
| December 2025 | ||
| November 2025 | ||
| October 2025 |
Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.
Schedule of direct flights Philadelphia — Seattle
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 07:25 | 10:30 | mon, tue, sat | AS370 | Alaska Airlines | 6h 5m | Philadelphia International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:22 | 21:35 | mon, tue, fri, sat, sun | AS443 | Alaska Airlines | 6h 13m | Philadelphia International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:35 | 21:57 | daily | AA2361 | American Eagle | 6h 22m | Philadelphia International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:47 | 21:52 | mon, wed, thu, fri, sat | AS443 | Alaska Airlines | 6h 5m | Philadelphia International Airport — Seattle-Tacoma International Airport | Select dates |
Popular airlines flying Philadelphia — Seattle
Flight Philadelphia – Seattle is served by 21 airlines. 2 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Dynamics airfare Philadelphia — Seattle by month for the last year
according to LowCost.Club for the last year
The airfare depends on the departure date. Our chart shows the low season prices on route Philadelphia — Seattle
The graph shows that booking flights Philadelphia — Seattle is best planned for December and flights Philadelphia — Seattle — Philadelphia in the month of February.
Flights Philadelphia — Seattle
The selection of cheap flights Philadelphia — Seattle
The price of the flight Philadelphia — Seattle (United States) — Philadelphia from $130 (round-trip).
The average price of the flight Philadelphia — Seattle (United States) — Philadelphia $348 (round-trip).
- Departure city: Philadelphia
- IATA code of the city of origin: PHL
- Departure airports: Mustin Alf, North Philadelphia, Philadelphia Sea Plane Base, Philadelphia International Airport, Trenton-Mercer Airport
- Departure country: United States
- Destination city: Seattle
- IATA code of the destination city: SEA
- Destination airports: Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport
- Destination country: United States
Low cost flights Philadelphia — Seattle (PHL — SEA)
The distance between Philadelphia and Seattle 2374 miles (or 3820 kilometres).
The time difference between Philadelphia and Seattle is 3 h.
Minimal flight time from Philadelphia to Seattle 6h 5m.
Routes from nearby cities to Seattle
A flight from a neighbouring city can help you save money on plane tickets.
Most often, departures to Seattle are from New York, this is the cheapest flight from $136. The nearest airports from Philadelphia with a flight to Seattle are located in Middletown.
Popular International routes from Philadelphia
Popular routes from Seattle
If you are going to fly from Seattle, then study the popular flights. The most popular flights from Seattle:
Popular domestic routes from Philadelphia
FAQ about Philadelphia — Seattle
Are there any direct flights Philadelphia — Seattle?
Yes, they do: AS370, AS443, AA2361
Can we fly from Philadelphia to Seattle?
Yes, you can fly from Philadelphia to Seattle. Philadelphia has 5 airports (Mustin Alf, North Philadelphia, Philadelphia Sea Plane Base, Philadelphia International Airport, Trenton-Mercer Airport) for flights. Alaska Airlines, American Eagle depart from Philadelphia on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Advanced Air, Aer Lingus, Aerolink Uganda, Aeromexico, Air Canada, Atlas Air, British Airways, Delta Connection, FedEx, Frontier (Penny the Owl Livery), Jet Linx Aviation, NetJets, Phoenix Air, SkyWest Airlines, SkyWest Charter, Southwest Airlines, Sun Country Airlines, Tradewind Aviation, TUI, United Express, UPS.
How long does it take to fly from Philadelphia to Seattle?
A direct flight lasts an average of 6h 5m, during which time the aircraft covers a distance of 3820 km.
How much do flights Philadelphia — Seattle cost?
The price of flights Philadelphia — Seattle starts from $130.
What days does the plane fly Philadelphia — Seattle?
Planes fly Philadelphia — Seattle 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Philadelphia and Seattle?
In Philadelphia — Mustin Alf, North Philadelphia, Philadelphia Sea Plane Base, Philadelphia International Airport, Trenton-Mercer Airport. In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport.
What flights are currently flying from Philadelphia to Seattle?
The following flights fly between Philadelphia and Seattle: AS370, AS443, AA2361, AS443
What month is the cheapest to fly from Philadelphia to Seattle?
High season is considered to be August and the cheapest month is December. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Philadelphia — Seattle flight deals.
Which airlines direct fly from Philadelphia to Seattle?
The following airlines have direct flights Philadelphia — Seattle: Alaska Airlines, American Eagle.
Which airlines fly from Philadelphia to Seattle?
All the following airlines flights Philadelphia — Seattle: Advanced Air, Aer Lingus, Aerolink Uganda, Aeromexico, Air Canada, Alaska Airlines, American Eagle, Atlas Air, British Airways, Delta Connection, FedEx, Frontier (Penny the Owl Livery), Jet Linx Aviation, NetJets, Phoenix Air, SkyWest Airlines, SkyWest Charter, Southwest Airlines, Sun Country Airlines, Tradewind Aviation, TUI, United Express, UPS.