Cheap Flights from Philadelphia to Seattle

Popular airlines from Philadelphia Intl. Airport (PHL) to Seattle-Tacoma International Airport (SEA)

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

November is typically the cheapest month to fly

From S$187 - S$522 per traveller.
Philadelphia to Seattle route information
Origin airport
Philadelphia Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
3794 km
Average flight time
4 hours 10 mins

Flights from Philadelphia to Seattle

There are several airlines that operate frequent flights from Philadelphia (PHL) to Seattle (SEA) including

The earliest flight leaves Philadelphia Intl. Airport at 08:00 and arrives at Seattle Tacoma Intl. Airport at 00:11. The last flight of the day departs Philadelphia at 21:40 and arrives at Seattle at 21:26.

The flight distance from Philadelphia to Seattle is about 3837 km, the shortest flight is 05 hours 51 minutes with .

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Philadelphia Seattle flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Philadelphia to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Philadelphia to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Philadelphia Intl. Airport (PHL) to SEA?
If you're planning on travelling from Philadelphia Intl. Airport (PHL) to Seattle - Tacoma Intl. Airport (SEA), round-trip flights start from . This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Intl. Airport (PHL) to Sea-Tac Airport?
We understand that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Philadelphia Airport to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PHL to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Philadelphia Intl. Airport (PHL) to Sea-Tac Airport?
The flying distance between PHL and SEA is 3,800 kilometres. Sneak in a nap or make a start on the latest bestseller and the journey will zip by.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to Sea-Tac Airport?
There are a few airlines that fly from PHL to Seattle - Tacoma Intl. Airport (SEA). Alaska Airlines (AS) is a great choice, offering 30 flights every month. Operating 30 flights each month on this route, American Airlines (AA) is another traveller favourite.
Are PHL to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from PHL to Seattle - Tacoma Intl. Airport (SEA) can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out! If you'd rather play it safe and start planning your trip early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines publish their prices that far in advance. Our suggestion? Check back often as prices are updated regularly.

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