₹12,701 Cheap Flights from Philadelphia (PHL) to Seattle (SEA)

View ₹12,701 flight on Tue, 2 Sep 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 ₹12,701 for one-way flights and ₹25,401 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 2 Sep - Sat, 6 Sep
PHL
Philadelphia
SEA
Seattle
₹25,401 Return, found 4 days ago
₹25,401
Return
found 4 days ago
Select Delta flight, departing Tue, 2 Sep from Philadelphia to Seattle, returning Sat, 6 Sep, priced at ₹25,401 found 4 days ago
Delta
Wed, 10 Sep - Wed, 17 Sep
PHL
Philadelphia
SEA
Seattle
₹25,473 Return, found 5 hours ago
₹25,473
Return
found 5 hours ago
Select Delta flight, departing Wed, 10 Sep from Philadelphia to Seattle, returning Wed, 17 Sep, priced at ₹25,473 found 5 hours ago
Delta
Wed, 10 Sep - Wed, 17 Sep
PHL
Philadelphia
SEA
Seattle
₹28,133 Return, found 5 hours ago
₹28,133
Return
found 5 hours ago
Select Delta flight, departing Wed, 10 Sep from Philadelphia to Seattle, returning Wed, 17 Sep, priced at ₹28,133 found 5 hours ago
Delta
Thu, 16 Oct - Wed, 22 Oct
PHL
Philadelphia
SEA
Seattle
₹28,139 Return, found 1 day ago
₹28,139
Return
found 1 day ago
Select Delta flight, departing Thu, 16 Oct from Philadelphia to Seattle, returning Wed, 22 Oct, priced at ₹28,139 found 1 day ago
Delta
Tue, 2 Sep - Sat, 6 Sep
PHL
Philadelphia
SEA
Seattle
₹28,831 Return, found 4 days ago
₹28,831
Return
found 4 days ago
Select Delta flight, departing Tue, 2 Sep from Philadelphia to Seattle, returning Sat, 6 Sep, priced at ₹28,831 found 4 days ago
American Airlines
Tue, 2 Sep - Sat, 6 Sep
PHL
Philadelphia
SEA
Seattle
₹28,859 Return, found 4 days ago
₹28,859
Return
found 4 days ago
Select American Airlines flight, departing Tue, 2 Sep from Philadelphia to Seattle, returning Sat, 6 Sep, priced at ₹28,859 found 4 days ago
Delta
Wed, 10 Sep - Wed, 17 Sep
PHL
Philadelphia
SEA
Seattle
₹28,939 Return, found 5 hours ago
₹28,939
Return
found 5 hours ago
Select Delta flight, departing Wed, 10 Sep from Philadelphia to Seattle, returning Wed, 17 Sep, priced at ₹28,939 found 5 hours ago
Delta
Tue, 2 Sep - Sat, 6 Sep
PHL
Philadelphia
SEA
Seattle
₹29,691 Return, found 4 days ago
₹29,691
Return
found 4 days ago
Select Delta flight, departing Tue, 2 Sep from Philadelphia to Seattle, returning Sat, 6 Sep, priced at ₹29,691 found 4 days ago
United
Wed, 10 Sep - Wed, 17 Sep
PHL
Philadelphia
SEA
Seattle
₹29,773 Return, found 5 hours ago
₹29,773
Return
found 5 hours ago
Select United flight, departing Wed, 10 Sep from Philadelphia to Seattle, returning Wed, 17 Sep, priced at ₹29,773 found 5 hours ago
Delta
Tue, 2 Sep - Sat, 6 Sep
PHL
Philadelphia
SEA
Seattle
₹30,137 Return, found 4 days ago
₹30,137
Return
found 4 days ago
Select Delta flight, departing Tue, 2 Sep from Philadelphia to Seattle, returning Sat, 6 Sep, priced at ₹30,137 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.
Airlines serving
American Airlines, Delta, United
Return price
₹25,401
Distance
3794 km
Average flight time
3 hours 48 mins

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 ₹25,401. 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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