A breathtaking aerial view of Philadelphia's illuminated skyline at night, highlighting the vibrant cityscape and a prominent stadium. — flights from Seattle to Philadelphia
SeattlePhiladelphia

Flights from Seattle to Philadelphia

Nonstop flights from Seattle (SEA) to Philadelphia (PHL) take about 5h 16m (3,818 km). Alaska Airlines flies it. Lowest fare seen: $333 one-way, nonstop (22 Oct 2026).

All flights from Seattle →

Photo of Philadelphia: K on Pexels.

When you land in Philadelphia

The airport transfer and the few things worth sorting before you fly.

A breathtaking aerial view of Philadelphia's illuminated skyline at night, highlighting the vibrant cityscape and a prominent stadium. — arriving in Philadelphia

Airport transfer

PHL → Philadelphia, booked before you fly

A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.

See transfer prices
Alaska Airlines plane soaring through a bright sky with fluffy clouds in Seattle. — lounges at Seattle AirportSeattle Airport · 2 lounges
Before you flyAirport lounges at Seattle →
Trains, buses and taxi faresPHL to Philadelphia: getting into town →Early arrival or late flightLuggage storage in Philadelphia →5 drop-off points, from $4.90

Things to book in Philadelphia

All 25 things to do in Philadelphia →
from €24.10
Independence Hall 4.6 · 225 Tiqets reviews
Museum of the American Revolutionfrom €24.10
Museum of the American Revolution 4.9 · 111 Tiqets reviews
Liberty Bellfrom €13.38
Liberty Bell 4.2 · 109 Tiqets reviews
Museum of Illusions Philadelphiafrom €25.89
Museum of Illusions Philadelphia 4.2 · 83 Tiqets reviews

Find hotels in Philadelphia

Hotels, hostels & more · Expedia

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Airlines flying Seattle to Philadelphia

Carriers on SEA–PHL according to our route data and nonstop fares seen as of 22 Oct 2026. Not a complete list.

✈ Alaska Airlinesnonstop fare seen

More for this trip

Frequently asked questions — Seattle to Philadelphia flights

How long is the flight from Seattle to Philadelphia?
A nonstop flight from Seattle (SEA) to Philadelphia (PHL) takes about 5h 16m, covering 3,818 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Seattle from Philadelphia by air?
The great-circle distance between Seattle–Tacoma International Airport and Philadelphia International Airport is 3,818 km (2,372 miles), a long-haul route.
Which airlines fly from Seattle to Philadelphia?
Airlines with flights or nonstop fares on the SEA–PHL route include Alaska Airlines. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Seattle to Philadelphia cost?
The lowest one-way fare seen recently on SEA–PHL was $333 USD with Alaska Airlines (nonstop), departing 1 Nov 2026, found in fare searches as of 22 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
Do I need a visa to travel from Seattle to Philadelphia?
It depends on your passport. Some nationalities can enter Philadelphia visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.

Sources: fares from Travelpayouts flight-search data, seen 22 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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