PHL to SEA (Philadelphia to Seattle) Flights

Last Minute Flights from PHL to SEA

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
TTNSeattleMarch 21 to March 30$321
*Prices include taxes and fees

Cheapest PHL to SEA Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
PHLSeattleApril 16 to April 21$215
PHLSeattleApril 7 to April 14$254
PHLSeattleApril 1 to April 13$297
PHLSeattleApril 21 to April 25$317
PHLSeattleMay 9 to May 16$317
*Prices include taxes and fees
PHL to SEA Flight Details
Origin airport
Philadelphia Intl.
Origin airport IATA code
PHL
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Distance
2371 mi

Frequently asked questions

What airlines fly direct from Philadelphia Intl. Airport (PHL) to Sea-Tac Airport?
If you'd love to get your vacation started pronto, book with Alaska Airlines (AS). It has 60 nonstop flights from Philadelphia Intl. Airport (PHL) to Sea-Tac Airport a month. American Airlines (AA) will also whisk you away to Sea-Tac Airport without any inconvenient stopovers. Take your pick of its 30 monthly flights that are nonstop.
How many flights are there from PHL to SEA?
At least 124 flights operate per day between Philadelphia, PA (PHL-Philadelphia Intl.) and Seattle, WA (SEA-Seattle - Tacoma Intl.). Fasten your seat belt because your plane to SeaTac is ready to jet off.
What is the flight distance from Philadelphia, PA (PHL-Philadelphia Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Covering a distance of 2,400 miles (3,800 1), you'll be buckled up for some time during this medium-haul journey. Need more legroom? Book an aisle seat. Otherwise, take the window and take in the changing scenery between Philadelphia and SeaTac.
How many morning flights are there from PHL to SEA?
With some 405 morning flights each week from PHL to SEA to select from, you'll be springing out of bed and taking to the skies in no time.

  • You can set out at 5:00AM if you fly with American Airlines (AA). It operates 215 weekly flights from PHL to SEA.
  • Another great option is Delta Air Lines. This airline has 75 early flights per week. 5:30AM is the earliest to leave.
  • You'll have approximately 48 morning flights to take your pick of if you book with United Airlines (UA). 6:00AM is the earliest departure.

How many afternoon flights are there from PHL to SEA?
If the words "bright and early" just aren't in your vocabulary, jump on one of the 465 weekly afternoon and evening flights from PHL to SEA.

  • American Airlines (AA) operates 307 weekly flights that leave after midday. The earliest departs at 12:00PM.
  • You can also select from the 63 afternoon and evening flights operated by Delta Air Lines (DL) every week. 12:40PM is the first scheduled departure from PHL.
  • Alternatively, cruise at altitude with United Airlines (UA). This airline has 44 flights per week after midday, with the earliest departing at 12:30PM.

What is the earliest departure time out of Philadelphia to SeaTac?
The earliest flight takes off from PHL at 5:00AM and hits the runway at 1:59AM at SEA. Don't forget to allow yourself ample time in the morning to get to the airport.
What is the latest departure time out of Philadelphia to SeaTac?
From PHL, the last flight takes off at 10:45PM and lands at SEA at 1:45AM. If you're not into early mornings, this is the flight for you!
What is the average price from Philadelphia to SeaTac?
Round-trip journeys from PHL to SEA start from around $215. Secure your booking today and score a fantastic deal. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Philadelphia to Seattle Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Philadelphia to Seattle to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from PHL to SEA, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Philadelphia to Seattle, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

Plan Your Trip