A stunning twilight view of Seattle's skyline with illuminated skyscrapers and busy traffic below. — flights from Philadelphia to Seattle
PhiladelphiaSeattle

Flights from Philadelphia to Seattle

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

All flights to Seattle →

Photo of Seattle: Stephen Leonardi on Pexels.

When you land in Seattle

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

Alaska Airlines plane soaring through a bright sky with fluffy clouds in Seattle. — arriving in Seattle

Airport transfer

SEA → Seattle, 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
Before you flyPriority Pass options at Philadelphia →Trains, buses and taxi faresSEA to Seattle: getting into town →Early arrival or late flightLuggage storage in Seattle →10 drop-off points, from $4.90

Things to book in Seattle

All 22 things to do in Seattle →
from €3.57
Seattle Center Monorail 4.5 · 1,891 Tiqets reviews
Seattle Aquariumfrom €44.59
Seattle Aquarium 4.3 · 353 Tiqets reviews
Woodland Park Zoofrom €20.49
Woodland Park Zoo 4.6 · 143 Tiqets reviews
from €43.10
Seattle Sightseeing Cruises 4.6 · 61 Tiqets reviews

Find hotels in Seattle

Hotels, hostels & more · Expedia

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Airlines flying Philadelphia to Seattle

Carriers on PHL–SEA 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 — Philadelphia to Seattle flights

How long is the flight from Philadelphia to Seattle?
A nonstop flight from Philadelphia (PHL) to Seattle (SEA) 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 Philadelphia from Seattle by air?
The great-circle distance between Philadelphia International Airport and Seattle–Tacoma International Airport is 3,818 km (2,372 miles), a long-haul route.
Which airlines fly from Philadelphia to Seattle?
Airlines with flights or nonstop fares on the PHL–SEA 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 Philadelphia to Seattle cost?
The lowest one-way fare seen recently on PHL–SEA was $333 USD with Alaska Airlines (nonstop), departing 10 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.
Is it cheaper to fly nonstop or with a stop from Philadelphia to Seattle?
In the fares we saw (22 Oct 2026), connecting was cheaper: from $172 with 2 stops against $333 nonstop, a saving of $161. Nonstop saves the connection time.
Do I need a visa to travel from Philadelphia to Seattle?
It depends on your passport. Some nationalities can enter Seattle 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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