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

NT$8,283 Cheap Flights from Seattle (SEA) to Philadelphia (PHL)

Cheap Flights from Seattle to Philadelphia (SEA-PHL)

Prices were available within the past 7 days and start at NT$8,283 for one-way flights and NT$16,991 for roundtrip, for the period specified. Prices and availability are subject to change.
Delta
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$16,991
Roundtrip
Found 15 hours ago
Select Delta flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$16,991 Found 15 hours ago
Delta
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$17,305
Roundtrip
Found 15 hours ago
Select Delta flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$17,305 Found 15 hours ago
Delta
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$17,619
Roundtrip
Found 15 hours ago
Select Delta flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$17,619 Found 15 hours ago
Delta
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$18,136
Roundtrip
Found 15 hours ago
Select Delta flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$18,136 Found 15 hours ago
Delta
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$18,264
Roundtrip
Found 15 hours ago
Select Delta flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$18,264 Found 15 hours ago
Delta
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$18,450
Roundtrip
Found 15 hours ago
Select Delta flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$18,450 Found 15 hours ago
American Airlines
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$18,556
Roundtrip
Found 15 hours ago
Select American Airlines flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$18,556 Found 15 hours ago
Delta
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$18,578
Roundtrip
Found 15 hours ago
Select Delta flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$18,578 Found 15 hours ago
American Airlines
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$18,870
Roundtrip
Found 15 hours ago
Select American Airlines flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$18,870 Found 15 hours ago
American Airlines
Wed, Oct 21 - Wed, Oct 28
SEA
Seattle
PHL
Philadelphia
NT$19,184
Roundtrip
Found 15 hours ago
Select American Airlines flight, departing Wed, Oct 21 from Seattle to Philadelphia, returning Wed, Oct 28, priced at NT$19,184 Found 15 hours ago

Find the cheapest month to fly from Seattle (SEA) to Philadelphia (PHL)

December is typically the cheapest month to fly

From NT$8,652 - NT$17,068 per traveler.

Travel information

Origin airport
Seattle-Tacoma International Airport
Destination airport
Philadelphia Intl. Airport
Distance
3,816 km away
Airlines serving
Alaska Airlines, American Airlines, Delta, United, Southwest Airlines, Sun Country Airlines, JetBlue Airways, Frontier Airlines
Popular airline
Alaska Airlines
Roundtrip price
NT$16,991
Average flight time
5 hours 15 mins
*Available to One Key members.