S$201 Cheap Flights from Philadelphia to Seattle

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Cheap Flights from Philadelphia to Seattle (PHL-SEA)

Prices were available within the past 7 days and start at S$201 for one-way flights and S$519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 25 Aug - Sun, 1 Sep
PHL
Philadelphia
SEA
Seattle
S$519 Return, found 5 days ago
S$519
Return
found 5 days ago
Select Delta flight, departing Sun, 25 Aug from Philadelphia to Seattle, returning Sun, 1 Sep, priced at S$519 found 5 days ago
Delta
Tue, 11 Jun - Fri, 14 Jun
PHL
Philadelphia
SEA
Seattle
S$528 Return, found 21 hours ago
S$528
Return
found 21 hours ago
Select Delta flight, departing Tue, 11 Jun from Philadelphia to Seattle, returning Fri, 14 Jun, priced at S$528 found 21 hours ago
United
Tue, 11 Jun - Fri, 14 Jun
PHL
Philadelphia
SEA
Seattle
S$549 Return, found 21 hours ago
S$549
Return
found 21 hours ago
Select United flight, departing Tue, 11 Jun from Philadelphia to Seattle, returning Fri, 14 Jun, priced at S$549 found 21 hours ago
Delta
Sun, 25 Aug - Sun, 1 Sep
PHL
Philadelphia
SEA
Seattle
S$554 Return, found 5 days ago
S$554
Return
found 5 days ago
Select Delta flight, departing Sun, 25 Aug from Philadelphia to Seattle, returning Sun, 1 Sep, priced at S$554 found 5 days ago
Delta
Tue, 11 Jun - Fri, 14 Jun
PHL
Philadelphia
SEA
Seattle
S$563 Return, found 21 hours ago
S$563
Return
found 21 hours ago
Select Delta flight, departing Tue, 11 Jun from Philadelphia to Seattle, returning Fri, 14 Jun, priced at S$563 found 21 hours ago
Delta
Tue, 11 Jun - Fri, 14 Jun
PHL
Philadelphia
SEA
Seattle
S$568 Return, found 21 hours ago
S$568
Return
found 21 hours ago
Select Delta flight, departing Tue, 11 Jun from Philadelphia to Seattle, returning Fri, 14 Jun, priced at S$568 found 21 hours ago
United
Tue, 11 Jun - Fri, 14 Jun
PHL
Philadelphia
SEA
Seattle
S$582 Return, found 21 hours ago
S$582
Return
found 21 hours ago
Select United flight, departing Tue, 11 Jun from Philadelphia to Seattle, returning Fri, 14 Jun, priced at S$582 found 21 hours ago
Delta
Tue, 11 Jun - Fri, 14 Jun
PHL
Philadelphia
SEA
Seattle
S$601 Return, found 21 hours ago
S$601
Return
found 21 hours ago
Select Delta flight, departing Tue, 11 Jun from Philadelphia to Seattle, returning Fri, 14 Jun, priced at S$601 found 21 hours ago
Delta
Tue, 11 Jun - Thu, 13 Jun
PHL
Philadelphia
SEA
Seattle
S$612 Return, found 21 hours ago
S$612
Return
found 21 hours ago
Select Delta flight, departing Tue, 11 Jun from Philadelphia to Seattle, returning Thu, 13 Jun, priced at S$612 found 21 hours ago
American Airlines
Tue, 11 Jun - Fri, 14 Jun
PHL
Philadelphia
SEA
Seattle
S$628 Return, found 21 hours ago
S$628
Return
found 21 hours ago
Select American Airlines flight, departing Tue, 11 Jun from Philadelphia to Seattle, returning Fri, 14 Jun, priced at S$628 found 21 hours ago
0
Philadelphia to Seattle route information
Origin airport
Philadelphia Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$519
Distance
3794 km

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 S$519. 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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