₹12,739 Cheap Flights from Philadelphia (PHL) to Seattle (SEA)

View ₹12,739 flight on Tue, 12 Aug 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ₹12,739 for one-way flights and ₹25,473 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 12 Aug - Thu, 21 Aug
PHL
Philadelphia
SEA
Seattle
₹25,473 Return, found 4 days ago
₹25,473
Return
found 4 days ago
Select Delta flight, departing Tue, 12 Aug from Philadelphia to Seattle, returning Thu, 21 Aug, priced at ₹25,473 found 4 days ago
Delta
Wed, 10 Sep - Wed, 17 Sep
PHL
Philadelphia
SEA
Seattle
₹28,133 Return, found 5 days ago
₹28,133
Return
found 5 days ago
Select Delta flight, departing Wed, 10 Sep from Philadelphia to Seattle, returning Wed, 17 Sep, priced at ₹28,133 found 5 days ago
Delta
Sat, 27 Sep - Wed, 1 Oct
PHL
Philadelphia
SEA
Seattle
₹28,139 Return, found 4 days ago
₹28,139
Return
found 4 days ago
Select Delta flight, departing Sat, 27 Sep from Philadelphia to Seattle, returning Wed, 1 Oct, priced at ₹28,139 found 4 days ago
American Airlines
Sat, 27 Sep - Wed, 1 Oct
PHL
Philadelphia
SEA
Seattle
₹28,939 Return, found 4 days ago
₹28,939
Return
found 4 days ago
Select American Airlines flight, departing Sat, 27 Sep from Philadelphia to Seattle, returning Wed, 1 Oct, priced at ₹28,939 found 4 days ago
Delta
Tue, 26 Aug - Mon, 8 Sep
PHL
Philadelphia
SEA
Seattle
₹28,969 Return, found 4 days ago
₹28,969
Return
found 4 days ago
Select Delta flight, departing Tue, 26 Aug from Philadelphia to Seattle, returning Mon, 8 Sep, priced at ₹28,969 found 4 days ago
United
Tue, 12 Aug - Thu, 21 Aug
PHL
Philadelphia
SEA
Seattle
₹29,386 Return, found 4 days ago
₹29,386
Return
found 4 days ago
Select United flight, departing Tue, 12 Aug from Philadelphia to Seattle, returning Thu, 21 Aug, priced at ₹29,386 found 4 days ago
United
Tue, 12 Aug - Thu, 21 Aug
PHL
Philadelphia
SEA
Seattle
₹29,773 Return, found 4 days ago
₹29,773
Return
found 4 days ago
Select United flight, departing Tue, 12 Aug from Philadelphia to Seattle, returning Thu, 21 Aug, priced at ₹29,773 found 4 days ago
Delta
Tue, 26 Aug - Mon, 8 Sep
PHL
Philadelphia
SEA
Seattle
₹29,804 Return, found 4 days ago
₹29,804
Return
found 4 days ago
Select Delta flight, departing Tue, 26 Aug from Philadelphia to Seattle, returning Mon, 8 Sep, priced at ₹29,804 found 4 days ago
United
Tue, 12 Aug - Thu, 21 Aug
PHL
Philadelphia
SEA
Seattle
₹30,220 Return, found 4 days ago
₹30,220
Return
found 4 days ago
Select United flight, departing Tue, 12 Aug from Philadelphia to Seattle, returning Thu, 21 Aug, priced at ₹30,220 found 4 days ago
United
Tue, 12 Aug - Thu, 21 Aug
PHL
Philadelphia
SEA
Seattle
₹30,667 Return, found 4 days ago
₹30,667
Return
found 4 days ago
Select United flight, departing Tue, 12 Aug from Philadelphia to Seattle, returning Thu, 21 Aug, priced at ₹30,667 found 4 days ago

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

September is typically the cheapest month to fly

From ₹11,771 - ₹23,430 per traveller.

Graph displaying average flight prices per month

Flight from Philadelphia to Seattle route information
Origin airport
Philadelphia Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
₹25,473
Distance
3794 km
Average flight time
3 hours 48 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 travelling from Philadelphia Intl. Airport (PHL) to Seattle - Tacoma Intl. Airport (SEA), round-trip flights start from ₹25,473. 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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