A historic building with a clock tower, surrounded by trees and street lamps.

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

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

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 Seattle to Philadelphia (SEA-PHL)

Prices were available within the past 7 days and start at NT$5,295 for one-way flights and NT$10,589 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Wed, Oct 28 - Fri, Nov 27

SEA

Seattle

PHL

Philadelphia

NT$10,589

Roundtrip

Found 4 days ago

Select Delta flight, departing Wed, Oct 28 from Seattle to Philadelphia, returning Fri, Nov 27, priced at NT$10,589 Found 4 days ago

Wed, Oct 28 - Fri, Nov 27

SEA

Seattle

PHL

Philadelphia

NT$10,905

Roundtrip

Found 4 days ago

Select Delta flight, departing Wed, Oct 28 from Seattle to Philadelphia, returning Fri, Nov 27, priced at NT$10,905 Found 4 days ago

Wed, Oct 28 - Wed, Dec 2

SEA

Seattle

PHL

Philadelphia

NT$11,221

Roundtrip

Found 4 days ago

Select Delta flight, departing Wed, Oct 28 from Seattle to Philadelphia, returning Wed, Dec 2, priced at NT$11,221 Found 4 days ago

Fri, Aug 28 - Fri, Sep 18

SEA

Seattle

PHL

Philadelphia

NT$11,537

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Aug 28 from Seattle to Philadelphia, returning Fri, Sep 18, priced at NT$11,537 Found 4 days ago

Fri, Aug 28 - Sat, Sep 19

SEA

Seattle

PHL

Philadelphia

NT$11,768

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Aug 28 from Seattle to Philadelphia, returning Sat, Sep 19, priced at NT$11,768 Found 4 days ago

Thu, Sep 10 - Wed, Sep 16

SEA

Seattle

PHL

Philadelphia

NT$11,939

Roundtrip

Found 5 days ago

Select Delta flight, departing Thu, Sep 10 from Seattle to Philadelphia, returning Wed, Sep 16, priced at NT$11,939 Found 5 days ago

Fri, Aug 28 - Fri, Sep 18

SEA

Seattle

PHL

Philadelphia

NT$11,998

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Aug 28 from Seattle to Philadelphia, returning Fri, Sep 18, priced at NT$11,998 Found 4 days ago

Fri, Aug 28 - Sat, Sep 19

SEA

Seattle

PHL

Philadelphia

NT$12,084

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Aug 28 from Seattle to Philadelphia, returning Sat, Sep 19, priced at NT$12,084 Found 4 days ago

Wed, Sep 9 - Fri, Sep 18

SEA

Seattle

PHL

Philadelphia

NT$12,255

Roundtrip

Found 4 days ago

Select United flight, departing Wed, Sep 9 from Seattle to Philadelphia, returning Fri, Sep 18, priced at NT$12,255 Found 4 days ago

Wed, Oct 28 - Fri, Nov 27

SEA

Seattle

PHL

Philadelphia

NT$12,361

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Wed, Oct 28 from Seattle to Philadelphia, returning Fri, Nov 27, priced at NT$12,361 Found 4 days ago

Travel information

Origin airport	Seattle-Tacoma International Airport
Destination airport	Philadelphia Intl. 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$10,589
Average flight time	5 hours 48 mins

Explore a world of travel with Expedia

Lodging
Flights
Packages
Cars

Romantic Hotels in South Philadelphia
Standard Link for Romantic Hotels in South Philadelphia
Fitler Square Hotels
Standard Link for Fitler Square Hotels
Hotels with Bars in South Philadelphia
Standard Link for Hotels with Bars in South Philadelphia
Hotels near Kimmel Center for the Performing Arts
Standard Link for Hotels near Kimmel Center for the Performing Arts
Town Houses in Lansdowne
Standard Link for Town Houses in Lansdowne
Glenolden Hotels
Standard Link for Glenolden Hotels
Luxury Hotels in East Passyunk Crossing
Standard Link for Luxury Hotels in East Passyunk Crossing
Historic Hotels in University City
Standard Link for Historic Hotels in University City
Clifton Heights Hotels
Standard Link for Clifton Heights Hotels
Washington Square West Hotels
Standard Link for Washington Square West Hotels
University City Hotels
Standard Link for University City Hotels
B&B in Crum Lynne
Standard Link for B&B in Crum Lynne
Hilton Hotels in Drexel Hill
Standard Link for Hilton Hotels in Drexel Hill
Red Roof Inn Hotels in Ridley Park
Standard Link for Red Roof Inn Hotels in Ridley Park
Pet-Friendly Hotels in Ridley Park
Standard Link for Pet-Friendly Hotels in Ridley Park
Hotels near Philadelphia International Airport Terminal B Station
Standard Link for Hotels near Philadelphia International Airport Terminal B Station
Hotels near Citizens Bank Park
Standard Link for Hotels near Citizens Bank Park
Hotels near Children's Hospital of Philadelphia
Standard Link for Hotels near Children's Hospital of Philadelphia
Historic Hotels in Philadelphia
Standard Link for Historic Hotels in Philadelphia
Apartments in Swarthmore
Standard Link for Apartments in Swarthmore
Pet-Friendly Hotels in Chester
Standard Link for Pet-Friendly Hotels in Chester
Cheap Hotels in Tinicum Township
Standard Link for Cheap Hotels in Tinicum Township
Hotels near Philadelphia Intl.
Standard Link for Hotels near Philadelphia Intl.
Hotels near University of Pennsylvania
Standard Link for Hotels near University of Pennsylvania
Hotels with a Pool in Collingdale
Standard Link for Hotels with a Pool in Collingdale
Resorts & Hotels with Spas in Philadelphia
Standard Link for Resorts & Hotels with Spas in Philadelphia
Condo Rentals in Folsom
Standard Link for Condo Rentals in Folsom
Pet-Friendly Hotels in South Philadelphia
Standard Link for Pet-Friendly Hotels in South Philadelphia
5 Star Hotels in Springfield
Standard Link for 5 Star Hotels in Springfield
Folcroft Hotels
Standard Link for Folcroft Hotels

Flights from Tuscaloosa (TCL) to Philadelphia (PHL)
Standard Link for Flights from Tuscaloosa (TCL) to Philadelphia (PHL)
Flights from Telluride (TEX) to Philadelphia (PHL)
Standard Link for Flights from Telluride (TEX) to Philadelphia (PHL)
Flights from Taipei (TPE) to Philadelphia (PHL)
Standard Link for Flights from Taipei (TPE) to Philadelphia (PHL)
Flights from Sharjah (SHJ) to Philadelphia (PHL)
Standard Link for Flights from Sharjah (SHJ) to Philadelphia (PHL)
Flights from Frenchville (WFK) to Philadelphia (PHL)
Standard Link for Flights from Frenchville (WFK) to Philadelphia (PHL)
Flights from Tokyo (NRT) to Philadelphia (PHL)
Standard Link for Flights from Tokyo (NRT) to Philadelphia (PHL)
Flights from Stavanger (SVG) to Philadelphia (PHL)
Standard Link for Flights from Stavanger (SVG) to Philadelphia (PHL)
Flights from Miami (MIA) to Philadelphia (PHL)
Standard Link for Flights from Miami (MIA) to Philadelphia (PHL)
Flights from Pau (PUF) to Philadelphia (PHL)
Standard Link for Flights from Pau (PUF) to Philadelphia (PHL)
Flights from San Diego (SDM) to Philadelphia (PHL)
Standard Link for Flights from San Diego (SDM) to Philadelphia (PHL)
Flights to Sharon Hill
Standard Link for Flights to Sharon Hill
Flights from Campinas (VCP) to Philadelphia (PHL)
Standard Link for Flights from Campinas (VCP) to Philadelphia (PHL)
Flights from Folcroft
Standard Link for Flights from Folcroft
Flights from Fort Pierce (FPR) to Philadelphia (PHL)
Standard Link for Flights from Fort Pierce (FPR) to Philadelphia (PHL)
Flights to Philadelphia Intl.
Standard Link for Flights to Philadelphia Intl.
Flights from Faro (FAO) to Philadelphia (PHL)
Standard Link for Flights from Faro (FAO) to Philadelphia (PHL)
Flights from Stavropol (STW) to Philadelphia (PHL)
Standard Link for Flights from Stavropol (STW) to Philadelphia (PHL)
Flights from Cape Girardeau (CGI) to Philadelphia (PHL)
Standard Link for Flights from Cape Girardeau (CGI) to Philadelphia (PHL)
Flights from Wanigela (AGL) to Philadelphia (PHL)
Standard Link for Flights from Wanigela (AGL) to Philadelphia (PHL)
Flights from Ocean City (OCE) to Philadelphia (PHL)
Standard Link for Flights from Ocean City (OCE) to Philadelphia (PHL)
Flights from Sharon Hill
Standard Link for Flights from Sharon Hill
Flights from Philadelphia Intl.
Standard Link for Flights from Philadelphia Intl.
Flights from Angra do Heroismo (TER) to Philadelphia (PHL)
Standard Link for Flights from Angra do Heroismo (TER) to Philadelphia (PHL)
Flights from Siargao (IAO) to Philadelphia (PHL)
Standard Link for Flights from Siargao (IAO) to Philadelphia (PHL)
Flights from Chania (CHQ) to Philadelphia (PHL)
Standard Link for Flights from Chania (CHQ) to Philadelphia (PHL)
Flights from Bedford (BED) to Philadelphia (PHL)
Standard Link for Flights from Bedford (BED) to Philadelphia (PHL)
Flights from Oceanside (OCN) to Philadelphia (PHL)
Standard Link for Flights from Oceanside (OCN) to Philadelphia (PHL)
Flights from Darby
Standard Link for Flights from Darby
Flights to Upper Darby
Standard Link for Flights to Upper Darby
Flights from Exeter (EXT) to Philadelphia (PHL)
Standard Link for Flights from Exeter (EXT) to Philadelphia (PHL)
Flights from Medellín (MDE) to Philadelphia (PHL)
Standard Link for Flights from Medellín (MDE) to Philadelphia (PHL)
Flights from Comox (YQQ) to Philadelphia (PHL)
Standard Link for Flights from Comox (YQQ) to Philadelphia (PHL)
Flights from Palmdale (PMD) to Philadelphia (PHL)
Standard Link for Flights from Palmdale (PMD) to Philadelphia (PHL)
Flights from Sierra Vista (FHU) to Philadelphia (PHL)
Standard Link for Flights from Sierra Vista (FHU) to Philadelphia (PHL)
Flights from Shenzhen (SZX) to Philadelphia (PHL)
Standard Link for Flights from Shenzhen (SZX) to Philadelphia (PHL)
Flights from Augusta (AUG) to Philadelphia (PHL)
Standard Link for Flights from Augusta (AUG) to Philadelphia (PHL)
Flights from Skwentna (SKW) to Philadelphia (PHL)
Standard Link for Flights from Skwentna (SKW) to Philadelphia (PHL)

American Swedish Historical Museum
Standard Link for American Swedish Historical Museum
Franklin Institute Science Museum
Standard Link for Franklin Institute Science Museum
Visit Lester
Standard Link for Visit Lester
Visit South Philadelphia
Standard Link for Visit South Philadelphia
Visit Upper Darby
Standard Link for Visit Upper Darby
University of Pennsylvania
Standard Link for University of Pennsylvania
Visit Sharon Hill
Standard Link for Visit Sharon Hill
Folcroft Vacations
Standard Link for Folcroft Vacations
Lincoln Financial Field
Standard Link for Lincoln Financial Field
Morton Morton House
Standard Link for Morton Morton House
Visit Folcroft
Standard Link for Visit Folcroft
John Heinz National Wildlife Refuge at Tinicum
Standard Link for John Heinz National Wildlife Refuge at Tinicum

Budget Rental Cars in Lester
Standard Link for Budget Rental Cars in Lester
Europcar Rental Cars in Packer Park
Standard Link for Europcar Rental Cars in Packer Park
Payless Rental Cars in Southwest Philadelphia
Standard Link for Payless Rental Cars in Southwest Philadelphia
Hertz Rental Cars in Philadelphia Intl.
Standard Link for Hertz Rental Cars in Philadelphia Intl.
Dollar Rental Cars in Swarthmore
Standard Link for Dollar Rental Cars in Swarthmore
Europcar Rental Cars in Philadelphia Intl.
Standard Link for Europcar Rental Cars in Philadelphia Intl.
Fullsize Car Rentals near Philadelphia Intl.
Standard Link for Fullsize Car Rentals near Philadelphia Intl.
Avis Rental Cars in Swarthmore
Standard Link for Avis Rental Cars in Swarthmore
Car rentals near National Shrine of St. Rita of Cascia
Standard Link for Car rentals near National Shrine of St. Rita of Cascia
Mex Rent A Car Rental Cars in Upper Darby
Standard Link for Mex Rent A Car Rental Cars in Upper Darby
Rental cars Philadelphia Intl. airport
Standard Link for Rental cars Philadelphia Intl. airport
Midway Car Rental Rental Cars in Philadelphia Intl.
Standard Link for Midway Car Rental Rental Cars in Philadelphia Intl.
Top Rent a Car Rental Cars in Philadelphia Intl.
Standard Link for Top Rent a Car Rental Cars in Philadelphia Intl.
Europcar Rental Cars in University City
Standard Link for Europcar Rental Cars in University City
Thrifty Car Rental Rental Cars in Philadelphia Intl.
Standard Link for Thrifty Car Rental Rental Cars in Philadelphia Intl.
United Rental Cars in Philadelphia Intl.
Standard Link for United Rental Cars in Philadelphia Intl.
Avis Rental Cars in Philadelphia Intl.
Standard Link for Avis Rental Cars in Philadelphia Intl.
Avis Rental Cars in Secane
Standard Link for Avis Rental Cars in Secane
Apex Car Rentals Rental Cars in Philadelphia Intl.
Standard Link for Apex Car Rentals Rental Cars in Philadelphia Intl.
Dollar Rent A Car Rental Cars in Girard Estates
Standard Link for Dollar Rent A Car Rental Cars in Girard Estates
Budget Rental Cars in Prospect Park
Standard Link for Budget Rental Cars in Prospect Park

*Available to One Key members.

NT$5,295 Cheap Flights from Seattle (SEA) to Philadelphia (PHL)

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

Be in the know

Book smarter

Earn twice

Cheap Flights from Seattle to Philadelphia (SEA-PHL)

Travel information

Explore a world of travel with Expedia