$102 Cheap flights from Seattle - Tacoma Intl. to Philadelphia Intl. (SEA to PHL)

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Find The Best Dates To Fly from Seattle - Tacoma Intl. to Philadelphia Intl.

Compare Flight Prices from Seattle to Philadelphia

Affordable Airfare Tickets from SEA to PHL Airport

The cheapest flights to Philadelphia Intl. found within the past 7 days were $165 round trip and $102 one way. Prices and availability subject to change. Additional terms may apply.

Sat, May 24 - Wed, May 28
SEA
Seattle
PHL
Philadelphia
$165 Roundtrip, found 6 hours ago
$165
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sat, May 24 from Seattle to Philadelphia, returning Wed, May 28, priced at $165 found 6 hours ago
Sun, May 25 - Wed, May 28
SEA
Seattle
PHL
Philadelphia
$170 Roundtrip, found 1 hour ago
$170
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, May 25 from Seattle to Philadelphia, returning Wed, May 28, priced at $170 found 1 hour ago
Sun, May 25 - Wed, May 28
SEA
Seattle
PHL
Philadelphia
$175 Roundtrip, found 1 hour ago
$175
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, May 25 from Seattle to Philadelphia, returning Wed, May 28, priced at $175 found 1 hour ago
Wed, May 21 - Wed, May 28
SEA
Seattle
PHL
Philadelphia
$184 Roundtrip, found 5 hours ago
$184
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Wed, May 21 from Seattle to Philadelphia, returning Wed, May 28, priced at $184 found 5 hours ago
Sat, May 31 - Mon, Jun 2
SEA
Seattle
PHL
Philadelphia
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, May 31 from Seattle to Philadelphia, returning Mon, Jun 2, priced at $198 found 2 days ago
Thu, May 22 - Wed, May 28
SEA
Seattle
PHL
Philadelphia
$200 Roundtrip, found 23 hours ago
$200
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Thu, May 22 from Seattle to Philadelphia, returning Wed, May 28, priced at $200 found 23 hours ago
Sat, May 24 - Mon, Jun 2
SEA
Seattle
PHL
Philadelphia
$201 Roundtrip, found 1 day ago
$201
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 24 from Seattle to Philadelphia, returning Mon, Jun 2, priced at $201 found 1 day ago
Fri, May 30 - Mon, Jun 2
SEA
Seattle
PHL
Philadelphia
$208 Roundtrip, found 2 hours ago
$208
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, May 30 from Seattle to Philadelphia, returning Mon, Jun 2, priced at $208 found 2 hours ago
Tue, May 20 - Wed, May 28
SEA
Seattle
PHL
Philadelphia
$210 Roundtrip, found 1 day ago
$210
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Tue, May 20 from Seattle to Philadelphia, returning Wed, May 28, priced at $210 found 1 day ago
Fri, May 9 - Mon, May 12
SEA
Seattle
PHL
Philadelphia
$210 Roundtrip, found 3 hours ago
$210
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, May 9 from Seattle to Philadelphia, returning Mon, May 12, priced at $210 found 3 hours ago

Philadelphia Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Sleep Inn Center City

Sleep Inn Center City

2.5 out of 5
per person
Jun 6 - Jun 9
found 10 hours ago
Roundtrip non-stop flight included
Seattle (SEA) to Philadelphia (PHL)
Sonesta Select Philadelphia Airport

Sonesta Select Philadelphia Airport

3 out of 5
per person
May 30 - Jun 1
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Philadelphia (PHL)
Hotel AKA Rittenhouse Square

Hotel AKA Rittenhouse Square

4 out of 5
per person
Jun 6 - Jun 9
found 10 hours ago
Roundtrip non-stop flight included
Seattle (SEA) to Philadelphia (PHL)
Hilton Garden Inn Camden Waterfront Philadelphia

Hilton Garden Inn Camden Waterfront Philadelphia

3 out of 5
per person
Jun 19 - Jun 22
just found
Roundtrip non-stop flight included
Seattle (SEA) to Philadelphia (PHL)
Cozy&Chic Apartments Near Downtown

Cozy&Chic Apartments Near Downtown

2.5 out of 5
per person
Jun 14 - Jun 20
found 3 hours ago
Roundtrip non-stop flight included
Seattle (SEA) to Philadelphia (PHL)
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Frequently asked questions

Can I catch a flight from SEA to PHL right now?
For any current Philadelphia Intl. Airport (PHL) quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught up en route.
Are there direct flights from SEA to Philadelphia Airport?
Your next incredible adventure is on the other side of a single flight. You can fly direct from Seattle - Tacoma Intl. Airport (SEA) to PHL with multiple airlines, including American Airlines and Alaska Airlines.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to PHL, please visit our Customer Service Portal.
How long is the flight from SEA to Philadelphia Intl. Airport (PHL)?
Flights between Seattle and Philadelphia take roughly 8 hours and 58 minutes all up. Make the most of your time in the air by napping, reading, checking out the in-flight entertainment or doing all three.
What is the flight distance from Sea-Tac Airport to Philadelphia Airport?
Between Sea-Tac Airport and Philadelphia Airport, the flight distance is roughly 2,400 mi. So, order a glass of Champagne and kick back. You have some important decisions to make — watch the latest film, read your novel or catch up on your beauty sleep?
What airlines fly from SEA to Philadelphia Airport?
There are a few airlines that advertise direct flights from Seattle - Tacoma Intl. Airport (SEA) to Philadelphia Airport. American Airlines (AA) is reputable, and operates approximately 52 flights each month. You may want to also look up the deals available through Alaska Airlines (AS). Another leading airline, it operates 30 flights each month on the Seattle to Philadelphia route. Be sure to compare the two airlines to score the best fare.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with American Airlines, Delta or Frontier Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from Seattle to Philadelphia

 

Traveling From
Seattle - Tacoma Intl.
Traveling To
Philadelphia Intl.
Shortest Flight Time
11 hours 7 mins
Earliest Departure Time
9:37AM EDT
Latest Departure Time
10:59PM EDT
Lowest Flight Price
$165

Route Info

Flight path for flights from Seattle-Tacoma International Airport to Philadelphia International Airport


Origin:
SEA - Seattle-Tacoma International Airport
Destination:
PHL - Philadelphia International Airport
Distance:
2,385.00 miles


Airlines & Aircraft Used on SEA to PHL Flight Routes


Airline Carrier
Aircraft
Alaska Airlines
Airbus A319
Alaska Airlines
Airbus A319
American Airlines
De Havilland Canada DHC-8-100 Dash 8 / 8Q
Jet Airways (India)
Airbus A320-100/200

Discover our best flights from Seattle SEA to Philadelphia PHL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Seattle SEA to Philadelphia PHL at the right price  

Airfares to Philadelphia PHL from Seattle SEA currently cost between $165 and $210. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Seattle SEA to Philadelphia PHL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Philadelphia PHL on Travelocity starting at $102. Prices and availability subject to change. Additional terms may apply. 

 

Get to Philadelphia PHL from Seattle SEA quicker with direct flights. 

Get to Philadelphia faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to PHL from SEA to take around 11 hour(s) 7 min(s).  

 

Find our cheapest airfares for flights from Seattle SEA to Philadelphia PHL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to PHL from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Seattle SEA to Philadelphia PHL today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Seattle SEA to Philadelphia PHL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Philadelphia PHL from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to PHL from SEA have this option.  

 

Travel with confidence when you book flights to Philadelphia PHL from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.