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Fares from $80 One Way, $148 Round Trip from Philadelphia to Seattle

Prices starting at $148 for return flights and $80 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

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More About Flying To Seattle from Philadelphia

Route Information for Flights from Philadelphia to Seattle

Origin Airport IATA CodeILG
Destination Airport IATA CodeSEA
Distance2371 mi
Direct Flight AirlinesAlaska Airlines, Southwest Airlines
Earliest Flight Arrival9:10PM UTC
Latest Flight Arrival3:57AM UTC

Travelingl from Philadelphia to Seattle

Traveling from Philadelphia to Seattle can be fun and easy when you use to find deals on low-fare flights, hotels, and rental cars. Seattle is a vibrant city with a rich culture and wonderful sites to see during your visit, including the famous Space Needle, Pike Place Market, or one of many local, unique coffee shops.

Philadelphia, Pennsylvania

When you fly out from Philadelphia, your flight will likely depart from Philadelphia International Airport. This airport serves over 25 airlines, including Alaska Air and US Airways, both of which fly direct from Philadelphia to Seattle. The airport is located on the outskirts of Philadelphia and can be reached by taxi, shuttle, or rail if you are looking to leave your car at home. If you would prefer to drive yourself, both on- and off-site parking facilities are available. On-site parking options include a garage, a short-term lot, and an economy lot. Private companies also offer off-site parking with shuttle services. Once you arrive at the Philadelphia International Airport, you have over 70 dining choices. Whether you are looking for a quick snack from Philly Soft Pretzels, a full meal at the Jet Rock Bar & Grille or anything in between, the food offerings at Philadelphia International Airport are nearly endless.

Seattle, Washington

Located between Puget Sound and Lake Washington in the Pacific Northwest, Seattle is known as the Emerald City. Seattle was originally a fishing, logging, and coal-mining town but has transformed into a cultural haven over the years. Boeing and Microsoft have both played large roles in the city's development to a less rough-around-the-edges metropolis. In recent years, coffee and music have kept Seattle at the forefront of the cultural discussion.

Visiting Seattle

Flights into Seattle land at the Seattle-Tacoma International Airport, located south of the city center. From the airport, you can use the Central Link light-rail service, buses, shuttles, and taxis to travel into the city. If you prefer to rent a car during your trip to Seattle, an impressive 23-acre rental car facility is also located at the airport.

Seattle is known for its rainy, overcast climate, but the city does experience many sunny days between June and September, with most of the rain and precipitation falling between November and January. Summers are quite pleasant, with temperatures reaching into the low 70s Fahrenheit. In the winter, temperatures on average only drop down to the mid-40s Fahrenheit.

Regardless of when you visit, Seattle always has something to offer. The famous Space Needle, built for the 1962 World's Fair, offers breathtaking views of the city and the surrounding mountains from over 500 feet in the air. This iconic landmark is a must-see for any visitor to the Emerald City. Equally iconic is the Pike Place Market, which offers fresh seafood and produce year-round. This public farmers' market is one of the oldest in the US and is home to antiques dealers, collectible shops, produce stands, craft stalls, and the famous Pike Place Market itself, where salmon throwing has made its fishmongers the stuff of legends. The original Starbucks Coffee store is also located at Pike Place Market, along with many other dining and beverage options. In addition to these must-see attractions, many museums, parks and performing arts venues will fill your visit with unforgettable memories.

Visit the Emerald City

With so many flights available at a low cost from, it is easier than ever to travel from Philadelphia to Seattle. Be sure to check when booking your flight to check for events and attractions to take advantage of all the different sites and activities Seattle has to offer.

Flights from Philadelphia to Seattle - Frequently Asked Questions

Are there non-stop flights from Philadelphia to Seattle?

Have your credit card at the ready, because there are two carriers that fly directly from Philadelphia, PA (PHL-Philadelphia Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Lock in a great deal with Alaska Airlines or American Airlines.

What is the shortest flight from Philadelphia to Seattle?

Jetting from Philadelphia, PA (PHL-Philadelphia Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will take you at least 5 hours and 59 minutes. Enjoy a beverage and get stuck into that book — here's your chance to simply relax.

What airlines fly from Philadelphia (and vicinity) to Seattle (and vicinity) most frequently?

The carriers that offer the most frequent flights between Philadelphia, PA Airport (PHL-Philadelphia Intl.) and Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) include Alaska Airlines (AS). This popular option offers 50 flights on the route every month. American Airlines (AA) will also get you to your destination in style and comfort. Offering 43 monthly flights between Philadelphia (and vicinity) and Seattle (and vicinity), it's another quality airline to look into.

If I am not able to travel due to COVID-19, can I cancel my flight to Seattle?

We get that traveling right now has its challenges, so it's good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to Seattle have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you'll quickly see what options are available. Our Customer Service Portal is the place to go for more information.

Are there flights to Seattle with flexible change policies?

In most cases you'll have the option to reschedule your flight to Seattle without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the "no change fees" filter and book with confidence.

What is the cheapest day of the week to fly?

Consider flying out early in the week to save on your airfare. Orbitz data from 2019 shows that Tuesday is the cheapest day to depart, followed by Monday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.

What is the cheapest month to fly?

We won't keep you guessing, according to Orbitz data the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a fresh start to the new year. Be aware that the most expensive time to fly isn't the height of summer, as most people assume, but the festive month of December.

How can I save money on flights?

To really save big on your next vacation, think outside the box. Select two different airlines or fare types for your return trip and you'll generally get a much better deal. Those who tried this on Orbitz in 2019 saved over 50% on their airfares. Get mixing and matching today!

*According to flight demand on from January to December 2019. Savings are subject to change based on departure location, date and destination.

^Savings based on all package bookings with Flight + Hotel made on from January 1, 2019 to December 31, 2019 as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages.