₹15,296 Cheap Flights from Seattle (SEA) to Philadelphia (PHL)

View ₹15,296 flight on Wed, 27 May 2026Opens in a new window

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

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Cheap Flights from Seattle (SEA) to Philadelphia (PHL)

Prices were available within the past 7 days and start at ₹15,296 for one-way flights and ₹30,460 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 28 May - Wed, 3 Jun
SEA
Seattle
PHL
Philadelphia
₹30,460 Return, found 6 days ago
₹30,460
Return
found 6 days ago
Select Delta flight, departing Thu, 28 May from Seattle to Philadelphia, returning Wed, 3 Jun, priced at ₹30,460 found 6 days ago
Delta
Wed, 19 Aug - Tue, 25 Aug
SEA
Seattle
PHL
Philadelphia
₹30,736 Return, found 4 days ago
₹30,736
Return
found 4 days ago
Select Delta flight, departing Wed, 19 Aug from Seattle to Philadelphia, returning Tue, 25 Aug, priced at ₹30,736 found 4 days ago
Delta
Sun, 24 May - Sat, 30 May
SEA
Seattle
PHL
Philadelphia
₹30,835 Return, found 3 days ago
₹30,835
Return
found 3 days ago
Select Delta flight, departing Sun, 24 May from Seattle to Philadelphia, returning Sat, 30 May, priced at ₹30,835 found 3 days ago
Delta
Wed, 8 Jul - Mon, 13 Jul
SEA
Seattle
PHL
Philadelphia
₹30,931 Return, found 16 hours ago
₹30,931
Return
found 16 hours ago
Select Delta flight, departing Wed, 8 Jul from Seattle to Philadelphia, returning Mon, 13 Jul, priced at ₹30,931 found 16 hours ago
Delta
Wed, 17 Jun - Sat, 4 Jul
SEA
Seattle
PHL
Philadelphia
₹31,497 Return, found 5 days ago
₹31,497
Return
found 5 days ago
Select Delta flight, departing Wed, 17 Jun from Seattle to Philadelphia, returning Sat, 4 Jul, priced at ₹31,497 found 5 days ago
Delta
Wed, 19 Aug - Tue, 25 Aug
SEA
Seattle
PHL
Philadelphia
₹31,653 Return, found 4 days ago
₹31,653
Return
found 4 days ago
Select Delta flight, departing Wed, 19 Aug from Seattle to Philadelphia, returning Tue, 25 Aug, priced at ₹31,653 found 4 days ago
Delta
Wed, 20 May - Tue, 26 May
SEA
Seattle
PHL
Philadelphia
₹31,689 Return, found 20 hours ago
₹31,689
Return
found 20 hours ago
Select Delta flight, departing Wed, 20 May from Seattle to Philadelphia, returning Tue, 26 May, priced at ₹31,689 found 20 hours ago
Delta
Sun, 24 May - Sat, 30 May
SEA
Seattle
PHL
Philadelphia
₹31,754 Return, found 3 days ago
₹31,754
Return
found 3 days ago
Select Delta flight, departing Sun, 24 May from Seattle to Philadelphia, returning Sat, 30 May, priced at ₹31,754 found 3 days ago
American Airlines
Wed, 22 Jul - Tue, 4 Aug
SEA
Seattle
PHL
Philadelphia
₹41,013 Return, found 4 days ago
₹41,013
Return
found 4 days ago
Select American Airlines flight, departing Wed, 22 Jul from Seattle to Philadelphia, returning Tue, 4 Aug, priced at ₹41,013 found 4 days ago
United
Sat, 13 Jun - Tue, 16 Jun
SEA
Seattle
PHL
Philadelphia
₹42,643 Return, found 5 days ago
₹42,643
Return
found 5 days ago
Select United flight, departing Sat, 13 Jun from Seattle to Philadelphia, returning Tue, 16 Jun, priced at ₹42,643 found 5 days ago

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

April is typically the cheapest month to fly

From ₹17,536 - ₹39,858 per traveller.

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 ₹30,460. 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 cancelled 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 kilometres. Put together a playlist of your favourite 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.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, United
Return price
₹30,460
Distance
3794 km
Average flight time
8 hours 19 mins

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