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Departure·1 pax, Economy

Cheapest flights for Seattle – Philadelphia (SEA – PHL)

Aviasales.ge will find you the cheapest airfare for Seattle – Philadelphia by comparing the ticket prices to Philadelphia using 45 agencies, five booking systems, and 728 airlines. Where exactly you buy your tickets for Seattle – Philadelphia is up to you.

Seattle – Philadelphia is most popular in August. During this period the average ticket price is 543.

Direct flight for from Seattle to Philadelphia

The easiest way to to get to your destination is a direct flight. Direct flights for from Seattle to Philadelphia are offered by:

  • American Airlines (daily AA1358)
  • Alaska Airlines (daily AS442)
  • Hawaiian Airlines (daily HA6839)
  • United Airlines (5 days per week, flight UA706)

Philadelphia is served by 2 airports: Philadelphia International Airport and Trenton-Mercer Airport. Direct flights for Seattle – Philadelphia are operated by:
  • American Airlines, Alaska Airlines, United Airlines from Seattle-Tacoma International Airport to Philadelphia International Airport
Flight with layover for the route from Seattle to Philadelphia

A flight with a layover on the route Seattle – Philadelphia will allow you to make your trip more interesting. The layover could be in:

  • Denver (flight UA2269 United Airlines)
  • Minneapolis (flight DL943 Delta Air Lines)
  • Boston (flight AS536 Alaska Airlines)

This is a great chance to get to know these cities. Layovers are usually at least six hours.

Please keep in mind that depending on the number of days remaining until your departure, ticket prices for Seattle – Philadelphia could change by more than 62%.

Aviasales.ge suggests buying tickets for Seattle – Philadelphia in advance in order to choose the conditions for your flight that best suit your preferences and budget.

General information on flight Seattle – Philadelphia (SEA – PHL)
3,819 km
Distance
3 ⁠hr
Current time difference
46
Number of flights per week
₾516
Lowest price
₾0
Average ticket price
05:10
Earliest flight out
23:00
Latest flight out

Ticket prices for Seattle – Philadelphia by month *

Month One-way Round-trip
August 2025 02.08.2025
01.08 - 08.08.2025

* Prices found by users over the last 48 hours (they do not represent an offer).

Cheapest flight for from Seattle to Philadelphia found by our users over the last 48 hours: ticket with American Airlines with a departure on 02.08.2025 and a price of 543 GEL.
Fastest flight for from Seattle to Philadelphia: ticket with American Airlines with the nearest departure on 02.08.2025 and a flight duration of 5hrs. 7min..
Airlines flying from Seattle to Philadelphia
Airports serving Seattle – Philadelphia

Seattle airports serving flights to Philadelphia:

  • Seattle-Tacoma International Airport (SEA)

Philadelphia airports accepting flights from Seattle:

  • Philadelphia International Airport (PHL)