An Alaska Airlines plane taking off with a snow-capped mountain in the background.

Flights from Philadelphia Intl. Airport (PHL) to Seattle-Tacoma International Airport (SEA)
Flights to Seattle
Washington
United States of America
Flights
Expedia.com.tw

Popular airlines from Philadelphia Intl. Airport (PHL) to Seattle-Tacoma International Airport (SEA)

Alaska Airlines
Delta
United
American Airlines
Southwest Airlines
JetBlue Airways
Sun Country Airlines

Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 45% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our rewards
Sign in

Cheap Flights from Philadelphia to Seattle (PHL-SEA)

Prices were available within the past 7 days and start at NT$5,480 for one-way flights and NT$13,412 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Sat, Aug 22 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

NT$13,412

Roundtrip

Found 2 days ago

Select United flight, departing Sat, Aug 22 from Philadelphia to Seattle, returning Fri, Aug 28, priced at NT$13,412 Found 2 days ago

Sat, Aug 22 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

NT$13,514

Roundtrip

Found 2 days ago

Select American Airlines flight, departing Sat, Aug 22 from Philadelphia to Seattle, returning Fri, Aug 28, priced at NT$13,514 Found 2 days ago

Sat, Aug 22 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

NT$13,730

Roundtrip

Found 2 days ago

Select United flight, departing Sat, Aug 22 from Philadelphia to Seattle, returning Fri, Aug 28, priced at NT$13,730 Found 2 days ago

Sat, Aug 22 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

NT$13,832

Roundtrip

Found 2 days ago

Select American Airlines flight, departing Sat, Aug 22 from Philadelphia to Seattle, returning Fri, Aug 28, priced at NT$13,832 Found 2 days ago

Sat, Aug 22 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

NT$14,150

Roundtrip

Found 2 days ago

Select American Airlines flight, departing Sat, Aug 22 from Philadelphia to Seattle, returning Fri, Aug 28, priced at NT$14,150 Found 2 days ago

Sat, Aug 22 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

NT$14,479

Roundtrip

Found 2 days ago

Select United flight, departing Sat, Aug 22 from Philadelphia to Seattle, returning Fri, Aug 28, priced at NT$14,479 Found 2 days ago

Sat, Aug 22 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

NT$14,797

Roundtrip

Found 2 days ago

Select United flight, departing Sat, Aug 22 from Philadelphia to Seattle, returning Fri, Aug 28, priced at NT$14,797 Found 2 days ago

Sat, Aug 22 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

NT$15,293

Roundtrip

Found 2 days ago

Select American Airlines flight, departing Sat, Aug 22 from Philadelphia to Seattle, returning Fri, Aug 28, priced at NT$15,293 Found 2 days ago

Sat, Aug 22 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

NT$15,443

Roundtrip

Found 2 days ago

Select United flight, departing Sat, Aug 22 from Philadelphia to Seattle, returning Fri, Aug 28, priced at NT$15,443 Found 2 days ago

Fri, Aug 7 - Tue, Aug 11

PHL

Philadelphia

SEA

Seattle

NT$16,645

Roundtrip

Found 3 days ago

Select Delta flight, departing Fri, Aug 7 from Philadelphia to Seattle, returning Tue, Aug 11, priced at NT$16,645 Found 3 days ago

Travel information

Origin airport	Philadelphia Intl. Airport
Destination airport	Seattle-Tacoma International Airport
Distance	3,816 km away
Airlines serving	Alaska Airlines, Delta, United, American Airlines, Southwest Airlines, JetBlue Airways, Sun Country Airlines, Frontier Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$13,412
Average flight time	6 hours 9 mins

Explore a world of travel with Expedia

Lodging
Flights
Packages
Cars

Hotels near Silver Dollar Casino
Standard Link for Hotels near Silver Dollar Casino
Lodges in Normandy Park
Standard Link for Lodges in Normandy Park
Beach Hotels in Burien
Standard Link for Beach Hotels in Burien
Hotels near Starfire Sports Complex
Standard Link for Hotels near Starfire Sports Complex
Hotel Wedding Venues Hotels in Tukwila
Standard Link for Hotel Wedding Venues Hotels in Tukwila
Condo Rentals in Tukwila
Standard Link for Condo Rentals in Tukwila
Hotels with Early Check-in in SeaTac
Standard Link for Hotels with Early Check-in in SeaTac
Pet-Friendly Hotels in SeaTac
Standard Link for Pet-Friendly Hotels in SeaTac
Hotels near Great American Casino
Standard Link for Hotels near Great American Casino
Ski Hotels in Burien
Standard Link for Ski Hotels in Burien
Hotels with smoking rooms in SeaTac
Standard Link for Hotels with smoking rooms in SeaTac
5 Star Hotels in Normandy Park
Standard Link for 5 Star Hotels in Normandy Park
Motels in SeaTac
Standard Link for Motels in SeaTac
Business Hotels in SeaTac
Standard Link for Business Hotels in SeaTac
Hotels with an Indoor Pool in SeaTac
Standard Link for Hotels with an Indoor Pool in SeaTac
Family Hotels in SeaTac
Standard Link for Family Hotels in SeaTac
B&B in Des Moines
Standard Link for B&B in Des Moines
Resorts & Hotels with Spas in SeaTac
Standard Link for Resorts & Hotels with Spas in SeaTac
Seatac Hotels
Standard Link for Seatac Hotels
Hotels near The Boeing Company
Standard Link for Hotels near The Boeing Company
Hotels near Westfield Southcenter Mall
Standard Link for Hotels near Westfield Southcenter Mall
5 Star Hotels in SeaTac
Standard Link for 5 Star Hotels in SeaTac
Hotels near Tukwila International Boulevard Station
Standard Link for Hotels near Tukwila International Boulevard Station
Luxury Hotels in Tukwila
Standard Link for Luxury Hotels in Tukwila
Cheap Hotels in SeaTac
Standard Link for Cheap Hotels in SeaTac
Hotels near Seattle - Tacoma Intl.
Standard Link for Hotels near Seattle - Tacoma Intl.
Hotels with Bars in SeaTac
Standard Link for Hotels with Bars in SeaTac
Best Western Hotels in Downtown Burien
Standard Link for Best Western Hotels in Downtown Burien
Hotels near Highline SeaTac Botanical Garden
Standard Link for Hotels near Highline SeaTac Botanical Garden
Hotels with a Pool in Tukwila
Standard Link for Hotels with a Pool in Tukwila
Tukwila Hotels
Standard Link for Tukwila Hotels

Flights from Taipei (TSA) to Seattle (SEA)
Standard Link for Flights from Taipei (TSA) to Seattle (SEA)
Flights from Istanbul (IST) to Seattle (SEA)
Standard Link for Flights from Istanbul (IST) to Seattle (SEA)
Flights from Burien
Standard Link for Flights from Burien
Flights from Mare (MEE) to Seattle (SEA)
Standard Link for Flights from Mare (MEE) to Seattle (SEA)
Flights from Genoa (GOA) to Seattle (SEA)
Standard Link for Flights from Genoa (GOA) to Seattle (SEA)
Flights from San Francisco (SFO) to Seattle (SEA)
Standard Link for Flights from San Francisco (SFO) to Seattle (SEA)
Flights from Fukuoka (FUK) to Seattle (SEA)
Standard Link for Flights from Fukuoka (FUK) to Seattle (SEA)
Flights from Tuscaloosa (TCL) to Seattle (SEA)
Standard Link for Flights from Tuscaloosa (TCL) to Seattle (SEA)
Flights from Ontario (ONT) to Seattle (SEA)
Standard Link for Flights from Ontario (ONT) to Seattle (SEA)
Flights from Washington (IAD) to Seattle (SEA)
Standard Link for Flights from Washington (IAD) to Seattle (SEA)
Flights from Houston (HOU) to Seattle (SEA)
Standard Link for Flights from Houston (HOU) to Seattle (SEA)
Flights to SeaTac
Standard Link for Flights to SeaTac
Flights from Bilbao (BIO) to Seattle (SEA)
Standard Link for Flights from Bilbao (BIO) to Seattle (SEA)
Flights from Marina (OAR) to Seattle (SEA)
Standard Link for Flights from Marina (OAR) to Seattle (SEA)
Flights from Fresno (FAT) to Seattle (SEA)
Standard Link for Flights from Fresno (FAT) to Seattle (SEA)
Flights from San Juan (SJU) to Seattle (SEA)
Standard Link for Flights from San Juan (SJU) to Seattle (SEA)
Flights from Osaka (ITM) to Seattle (SEA)
Standard Link for Flights from Osaka (ITM) to Seattle (SEA)
Flights from Rangiroa (RGI) to Seattle (SEA)
Standard Link for Flights from Rangiroa (RGI) to Seattle (SEA)
Flights from Dublin (DUB) to Seattle (SEA)
Standard Link for Flights from Dublin (DUB) to Seattle (SEA)
Flights from Tokyo (NRT) to Seattle (SEA)
Standard Link for Flights from Tokyo (NRT) to Seattle (SEA)
Flights from Shizuoka (FSZ) to Seattle (SEA)
Standard Link for Flights from Shizuoka (FSZ) to Seattle (SEA)
Flights from Taipei (TPE) to Seattle (SEA)
Standard Link for Flights from Taipei (TPE) to Seattle (SEA)
Flights from Manila (MNL) to Seattle (SEA)
Standard Link for Flights from Manila (MNL) to Seattle (SEA)
Flights from Seattle - Tacoma Intl.
Standard Link for Flights from Seattle - Tacoma Intl.
Flights from Burgos (RGS) to Seattle (SEA)
Standard Link for Flights from Burgos (RGS) to Seattle (SEA)
Flights from Telluride (TEX) to Seattle (SEA)
Standard Link for Flights from Telluride (TEX) to Seattle (SEA)
Flights from Vieux Fort (UVF) to Seattle (SEA)
Standard Link for Flights from Vieux Fort (UVF) to Seattle (SEA)
Flights from Miami (MIA) to Seattle (SEA)
Standard Link for Flights from Miami (MIA) to Seattle (SEA)
Flights from Kalamazoo (AZO) to Seattle (SEA)
Standard Link for Flights from Kalamazoo (AZO) to Seattle (SEA)
Flights from Mesa (AZA) to Seattle (SEA)
Standard Link for Flights from Mesa (AZA) to Seattle (SEA)
Flights from Muncie (MIE) to Seattle (SEA)
Standard Link for Flights from Muncie (MIE) to Seattle (SEA)
Flights from Xining (XNN) to Seattle (SEA)
Standard Link for Flights from Xining (XNN) to Seattle (SEA)
Flights from Southampton (SOU) to Seattle (SEA)
Standard Link for Flights from Southampton (SOU) to Seattle (SEA)

Tukwila Pond
Standard Link for Tukwila Pond
Tukwila Vacations
Standard Link for Tukwila Vacations
Burien Town Square Park
Standard Link for Burien Town Square Park
Visit Des Moines
Standard Link for Visit Des Moines
Ifly Seattle
Standard Link for Ifly Seattle
Moshier Park
Standard Link for Moshier Park
Visit Tukwila
Standard Link for Visit Tukwila
Hogan Park
Standard Link for Hogan Park
Visit SeaTac
Standard Link for Visit SeaTac
Crystal Springs Park
Standard Link for Crystal Springs Park
Great American Casino
Standard Link for Great American Casino
Westfield Southcenter Mall
Standard Link for Westfield Southcenter Mall
Seatac Vacations
Standard Link for Seatac Vacations
Visit Normandy Park
Standard Link for Visit Normandy Park

Convertible Car Rentals near Seattle - Tacoma Intl.
Standard Link for Convertible Car Rentals near Seattle - Tacoma Intl.
Dollar Rent A Car Rental Cars in SeaTac
Standard Link for Dollar Rent A Car Rental Cars in SeaTac
Luxury Car Rentals near Seattle - Tacoma Intl.
Standard Link for Luxury Car Rentals near Seattle - Tacoma Intl.
Enterprise Rental Cars in Burien
Standard Link for Enterprise Rental Cars in Burien
Hertz Rental Cars in Seattle - Tacoma Intl.
Standard Link for Hertz Rental Cars in Seattle - Tacoma Intl.
Alamo Rent A Car Rental Cars in SeaTac
Standard Link for Alamo Rent A Car Rental Cars in SeaTac
Europcar Rental Cars in Seattle - Tacoma Intl.
Standard Link for Europcar Rental Cars in Seattle - Tacoma Intl.
Fox Rental Cars Rental Cars in SeaTac
Standard Link for Fox Rental Cars Rental Cars in SeaTac
Rental cars Seattle - Tacoma Intl. airport
Standard Link for Rental cars Seattle - Tacoma Intl. airport
Minivan Car Rentals near Seattle - Tacoma Intl.
Standard Link for Minivan Car Rentals near Seattle - Tacoma Intl.
Car rentals near Westfield Southcenter Mall
Standard Link for Car rentals near Westfield Southcenter Mall
Enterprise Rental Cars in Seattle - Tacoma Intl.
Standard Link for Enterprise Rental Cars in Seattle - Tacoma Intl.
Enterprise Rental Cars in SeaTac
Standard Link for Enterprise Rental Cars in SeaTac
Alamo Rent A Car Rental Cars in Seattle - Tacoma Intl.
Standard Link for Alamo Rent A Car Rental Cars in Seattle - Tacoma Intl.
Thrifty Car Rental Rental Cars in SeaTac
Standard Link for Thrifty Car Rental Rental Cars in SeaTac
Payless Rental Cars in Seattle - Tacoma Intl.
Standard Link for Payless Rental Cars in Seattle - Tacoma Intl.
Apex Car Rentals Rental Cars in SeaTac
Standard Link for Apex Car Rentals Rental Cars in SeaTac
National Car Rental Rental Cars in SeaTac
Standard Link for National Car Rental Rental Cars in SeaTac
Car rental SeaTac
Standard Link for Car rental SeaTac
Avis Rental Cars in SeaTac
Standard Link for Avis Rental Cars in SeaTac
Thrifty Car Rental Rental Cars in Seattle - Tacoma Intl.
Standard Link for Thrifty Car Rental Rental Cars in Seattle - Tacoma Intl.
Ace Rental Cars in Seattle - Tacoma Intl.
Standard Link for Ace Rental Cars in Seattle - Tacoma Intl.

*Available to One Key members.

NT$5,480 Cheap Flights from Philadelphia (PHL) to Seattle (SEA)

Popular airlines from Philadelphia Intl. Airport (PHL) to Seattle-Tacoma International Airport (SEA)

Be in the know

Book smarter

Earn twice

Cheap Flights from Philadelphia to Seattle (PHL-SEA)

Travel information

Explore a world of travel with Expedia