₩207,700 Cheap Flights from Seattle (SEA) to Philadelphia (PHL)

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Cheap Flights from Seattle to Philadelphia (SEA-PHL)

Prices were available within the past 7 days and start at ₩207,700 for one-way flights and ₩470,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Aug 15 - Sat, Aug 17
SEA
Seattle
PHL
Philadelphia
₩470,300 Roundtrip, found 5 days ago
₩470,300
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 15 from Seattle to Philadelphia, returning Sat, Aug 17, priced at ₩470,300 found 5 days ago
Delta
Sat, Sep 7 - Sun, Sep 8
SEA
Seattle
PHL
Philadelphia
₩489,800 Roundtrip, found 3 days ago
₩489,800
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Sep 7 from Seattle to Philadelphia, returning Sun, Sep 8, priced at ₩489,800 found 3 days ago
Delta
Thu, Aug 15 - Sat, Aug 17
SEA
Seattle
PHL
Philadelphia
₩503,900 Roundtrip, found 5 days ago
₩503,900
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 15 from Seattle to Philadelphia, returning Sat, Aug 17, priced at ₩503,900 found 5 days ago
Delta
Sat, Sep 7 - Sun, Sep 8
SEA
Seattle
PHL
Philadelphia
₩524,900 Roundtrip, found 3 days ago
₩524,900
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Sep 7 from Seattle to Philadelphia, returning Sun, Sep 8, priced at ₩524,900 found 3 days ago
Delta
Thu, Aug 15 - Sat, Aug 17
SEA
Seattle
PHL
Philadelphia
₩531,700 Roundtrip, found 5 days ago
₩531,700
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 15 from Seattle to Philadelphia, returning Sat, Aug 17, priced at ₩531,700 found 5 days ago
Delta
Sat, Sep 7 - Sun, Sep 8
SEA
Seattle
PHL
Philadelphia
₩532,200 Roundtrip, found 3 days ago
₩532,200
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Sep 7 from Seattle to Philadelphia, returning Sun, Sep 8, priced at ₩532,200 found 3 days ago
Delta
Sat, Sep 7 - Sun, Sep 8
SEA
Seattle
PHL
Philadelphia
₩564,300 Roundtrip, found 3 days ago
₩564,300
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Sep 7 from Seattle to Philadelphia, returning Sun, Sep 8, priced at ₩564,300 found 3 days ago
Delta
Thu, Aug 15 - Sat, Aug 17
SEA
Seattle
PHL
Philadelphia
₩565,300 Roundtrip, found 5 days ago
₩565,300
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 15 from Seattle to Philadelphia, returning Sat, Aug 17, priced at ₩565,300 found 5 days ago
Delta
Sat, Sep 7 - Sun, Sep 8
SEA
Seattle
PHL
Philadelphia
₩567,300 Roundtrip, found 3 days ago
₩567,300
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Sep 7 from Seattle to Philadelphia, returning Sun, Sep 8, priced at ₩567,300 found 3 days ago
Delta
Thu, Aug 15 - Sat, Aug 17
SEA
Seattle
PHL
Philadelphia
₩571,100 Roundtrip, found 5 days ago
₩571,100
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 15 from Seattle to Philadelphia, returning Sat, Aug 17, priced at ₩571,100 found 5 days ago
Flights from Seattle (SEA) to Philadelphia (PHL)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
₩470,300
Distance
3794 km
Average flight time
8 hours 12 mins

Seattle to Philadelphia 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 Seattle to Philadelphia 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 Philadelphia.

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 SEA to PHL flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle 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 PHL 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 Seattle - Tacoma Intl. Airport (SEA) to PHL?
The lowest price advertised for a round-trip journey between SEA and Philadelphia Airport is ₩470,300. But you better act fast. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Philadelphia Airport?
Most flights can be canceled online, but each airline has different terms and conditions. If you do decide to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to PHL 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 SEA to Philadelphia Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Philadelphia Intl. Airport (PHL)?
You’ll be soaring through the sky for a while, as the flight distance from SeaTac to Philadelphia is 3,800 kilometers. Put together a playlist of your favorite songs before leaving home to keep yourself entertained during the journey.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Philadelphia Intl. Airport (PHL)?
Alaska Airlines (AS) is a top choice. It operates 30 flights from Sea-Tac Airport to Philadelphia Intl. Airport (PHL) each month. Love some more options? Check out the ticket prices from American Airlines (AA). This carrier offers 30 flights a month between these destinations.
Are Sea-Tac Airport to PHL flight tickets cheaper when they're purchased at the last minute?
Flight tickets from SEA to PHL are available up to a year prior to departure on Expedia. And although you may pick up a fantastic last-minute deal, it’s never something you can count on. Also, booking your flights well in advance means you’ll have more choices — and you can avoid getting caught in the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.
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