SEA to PHL (Seattle to Philadelphia) Flights

Last Minute Flights from SEA to PHL

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

OriginDestinationTravel DatesFlights From*
SEAPhiladelphiaMay 4 to May 13$330
*Prices include taxes and fees

Cheapest SEA to PHL Flights

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

OriginDestinationTravel DatesFlights From*
SEAPhiladelphiaMay 27 to June 4$162
SEAPhiladelphiaMay 10 to May 17$208
PAEPhiladelphiaJune 2 to June 9$228
SEAPhiladelphiaMay 9 to May 12$277
*Prices include taxes and fees
SEA to PHL Flight Details
Origin airport
Seattle - Tacoma Intl.
Origin airport IATA code
SEA
Destination airport
Philadelphia Intl.
Destination airport IATA code
PHL
Distance
2371 mi

Frequently asked questions

What airlines fly direct from Sea-Tac Airport to PHL?
Take a nonstop flight from Sea-Tac Airport to Philadelphia Intl. Airport (PHL) with Alaska Airlines (AS). This airline operates 60 of these popular and convenient services every month. You can also head to Philadelphia Intl. Airport (PHL) with American Airlines (AA). With 30 nonstop monthly flights to choose from, you can start your vacation faster.
How many flights are there from SEA to PHL?
There are 88 flights a day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.), so you have no shortage of ways to get to Philadelphia. Just select a date that fits with your plans and secure your airfare.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
You’ll be sitting on the plane for roughly 8 hours and 29 minutes from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.), so dress in something comfy. Hoodies, breathable pants and flat shoes are excellent options for a flight of this duration.
What is the flight distance from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Roughly 2,400 miles (3,800 1) separates SeaTac and Philadelphia, and it’s classed as a medium-haul flight. No whirlwind trip yet no high-flying marathon, pack your carry-on accordingly to help make your flight a comfy one.
How many morning flights are there from SEA to PHL?
Early risers, you’ll be glad to hear that there are 276 morning flights from SEA to PHL every week.

  • Delta Air Lines (DL) has around 81 weekly flights jetting off before midday. The earliest one you can hop on is 12:35AM.
  • United Airlines (UA) is another great option. It has 58 morning flights, with the earliest jetting out at 5:00AM.
  • You’ll have around 54 morning flights to take your pick of if you travel with American Airlines (AA). 12:59AM is the earliest available.

How many afternoon flights are there from SEA to PHL?
If the words “get up early” just aren’t in your vocabulary, take one of the 342 weekly afternoon and evening flights from SEA to PHL.

  • Think about booking your ticket with Alaska Airlines (AS). It offers 97 flights a week that leave after midday. The earliest of those services is 12:12PM.
  • Delta Air Lines (DL) has 75 afternoon and evening flights a week. The first is scheduled for 12:00PM.
  • One more appealing choice is United Airlines (UA). Take your pick of 74 afternoon and evening flights each week from 12:40PM onward.

What is the earliest departure time out of SeaTac to Philadelphia?
The earliest flight takes off from SEA at 12:35AM and hits the runway at PHL at 10:41PM. Remember to give yourself enough time in the morning to easily get to the airport.
What is the latest departure time out of SeaTac to Philadelphia?
From SEA, the latest flight you can catch sets out at 11:59PM and touches down at 10:41PM at PHL. If you’re not into early mornings, this is the flight to book.
What is the average price from SeaTac to Philadelphia?
On average, the cheapest price for round-trip flights from SEA to PHL is $162. Pick up your own great bargain by booking your seats soon. 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.

Seattle to Philadelphia Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Seattle to Philadelphia 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 SEA to PHL, 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 Seattle to Philadelphia, 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.