₩209,100 Cheap Flights from Philadelphia (PHL) to Seattle (SEA)

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Cheap Flights from Philadelphia to Seattle (PHL-SEA)

Prices were available within the past 7 days and start at ₩209,100 for one-way flights and ₩487,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, May 30 - Wed, Jun 5
PHL
Philadelphia
SEA
Seattle
₩487,300 Roundtrip, found 13 hours ago
₩487,300
Roundtrip
found 13 hours ago
Select United flight, departing Thu, May 30 from Philadelphia to Seattle, returning Wed, Jun 5, priced at ₩487,300 found 13 hours ago
Delta
Tue, Jul 2 - Tue, Jul 30
PHL
Philadelphia
SEA
Seattle
₩500,300 Roundtrip, found 22 hours ago
₩500,300
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Jul 2 from Philadelphia to Seattle, returning Tue, Jul 30, priced at ₩500,300 found 22 hours ago
Delta
Thu, May 30 - Wed, Jun 5
PHL
Philadelphia
SEA
Seattle
₩507,700 Roundtrip, found 13 hours ago
₩507,700
Roundtrip
found 13 hours ago
Select Delta flight, departing Thu, May 30 from Philadelphia to Seattle, returning Wed, Jun 5, priced at ₩507,700 found 13 hours ago
Delta
Sat, Jun 29 - Sun, Jul 28
PHL
Philadelphia
SEA
Seattle
₩534,300 Roundtrip, found 22 hours ago
₩534,300
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Jun 29 from Philadelphia to Seattle, returning Sun, Jul 28, priced at ₩534,300 found 22 hours ago
Delta
Tue, Jul 2 - Thu, Jul 25
PHL
Philadelphia
SEA
Seattle
₩534,500 Roundtrip, found 22 hours ago
₩534,500
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Jul 2 from Philadelphia to Seattle, returning Thu, Jul 25, priced at ₩534,500 found 22 hours ago
United
Thu, May 30 - Wed, Jun 5
PHL
Philadelphia
SEA
Seattle
₩535,900 Roundtrip, found 13 hours ago
₩535,900
Roundtrip
found 13 hours ago
Select United flight, departing Thu, May 30 from Philadelphia to Seattle, returning Wed, Jun 5, priced at ₩535,900 found 13 hours ago
United
Thu, May 30 - Wed, Jun 5
PHL
Philadelphia
SEA
Seattle
₩542,800 Roundtrip, found 13 hours ago
₩542,800
Roundtrip
found 13 hours ago
Select United flight, departing Thu, May 30 from Philadelphia to Seattle, returning Wed, Jun 5, priced at ₩542,800 found 13 hours ago
Delta
Thu, May 30 - Tue, Jun 4
PHL
Philadelphia
SEA
Seattle
₩548,900 Roundtrip, found 13 hours ago
₩548,900
Roundtrip
found 13 hours ago
Select Delta flight, departing Thu, May 30 from Philadelphia to Seattle, returning Tue, Jun 4, priced at ₩548,900 found 13 hours ago
United
Thu, May 30 - Wed, Jun 5
PHL
Philadelphia
SEA
Seattle
₩563,600 Roundtrip, found 13 hours ago
₩563,600
Roundtrip
found 13 hours ago
Select United flight, departing Thu, May 30 from Philadelphia to Seattle, returning Wed, Jun 5, priced at ₩563,600 found 13 hours ago
Delta
Tue, Jul 2 - Wed, Jul 31
PHL
Philadelphia
SEA
Seattle
₩568,800 Roundtrip, found 22 hours ago
₩568,800
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Jul 2 from Philadelphia to Seattle, returning Wed, Jul 31, priced at ₩568,800 found 22 hours ago
Flights from Philadelphia (PHL) to Seattle (SEA)
Origin airport
Philadelphia Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
₩487,300
Distance
3794 km
Average flight time
2 hours 54 mins

Philadelphia to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Philadelphia to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PHL to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Philadelphia for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Philadelphia Intl. Airport (PHL) to SEA?
If you’re planning on traveling from Philadelphia Intl. Airport (PHL) to Seattle - Tacoma Intl. Airport (SEA), round-trip flights start from ₩487,300. 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 kilometers. 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 traveler favorite.
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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