$178 Cheap Flights from Seattle Paine Field Intl. Airport (PAE) to Philadelphia (PHL)

View $178 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Seattle Paine Field Intl. Airport (PAE) to Philadelphia Intl. Airport (PHL)

Cheap Flights from Seattle Paine Field Intl. Airport to Philadelphia (PAE-PHL)

Prices were available within the past 7 days and start at $178 for one-way flights and $246 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Oct 17 - Mon, Oct 27
PAE
Seattle
PHL
Philadelphia
$246 Roundtrip, found 2 days ago
$246
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 17 from Seattle to Philadelphia, returning Mon, Oct 27, priced at $246 found 2 days ago
Frontier Airlines
Fri, Oct 24 - Mon, Oct 27
PAE
Seattle
PHL
Philadelphia
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Seattle to Philadelphia, returning Mon, Oct 27, priced at $268 found 1 day ago
Frontier Airlines
Fri, Oct 24 - Mon, Oct 27
PAE
Seattle
PHL
Philadelphia
$272 Roundtrip, found 1 day ago
$272
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Seattle to Philadelphia, returning Mon, Oct 27, priced at $272 found 1 day ago
Frontier Airlines
Fri, Nov 14 - Mon, Nov 17
PAE
Seattle
PHL
Philadelphia
$345 Roundtrip, found 1 hour ago
$345
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Seattle to Philadelphia, returning Mon, Nov 17, priced at $345 found 1 hour ago
Frontier Airlines
Fri, Nov 7 - Fri, Nov 14
PAE
Seattle
PHL
Philadelphia
$346 Roundtrip, found 9 hours ago
$346
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, Nov 7 from Seattle to Philadelphia, returning Fri, Nov 14, priced at $346 found 9 hours ago
Frontier Airlines
Fri, Oct 31 - Mon, Nov 10
PAE
Seattle
PHL
Philadelphia
$349 Roundtrip, found 3 hours ago
$349
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Seattle to Philadelphia, returning Mon, Nov 10, priced at $349 found 3 hours ago
Frontier Airlines
Fri, Oct 31 - Fri, Nov 7
PAE
Seattle
PHL
Philadelphia
$350 Roundtrip, found 9 hours ago
$350
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Seattle to Philadelphia, returning Fri, Nov 7, priced at $350 found 9 hours ago
Frontier Airlines
Fri, Oct 31 - Mon, Nov 3
PAE
Seattle
PHL
Philadelphia
$354 Roundtrip, found 1 hour ago
$354
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Seattle to Philadelphia, returning Mon, Nov 3, priced at $354 found 1 hour ago
Alaska Airlines
Tue, Dec 2 - Sat, Dec 6
PAE
Seattle
PHL
Philadelphia
$441 Roundtrip, found 2 days ago
$441
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Seattle to Philadelphia, returning Sat, Dec 6, priced at $441 found 2 days ago
American Airlines
Tue, Dec 2 - Sat, Dec 6
PAE
Seattle
PHL
Philadelphia
$2,533 Roundtrip, found 2 days ago
$2,533
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 2 from Seattle to Philadelphia, returning Sat, Dec 6, priced at $2,533 found 2 days ago

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $668
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $668

Frequently asked questions

How much does a flight from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL) cost?
Get a cheap one-way flight from $178 or cheap return flight from $246 from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from PAE to PHL is October, when there's less demand. Off-peak months are generally when airlines offer lower prices between these airports.
Which airlines fly direct from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL)?
You can't fly direct to Philadelphia Intl. Airport (PHL) from Seattle Paine Field Intl. Airport (PAE). However, you can easily travel to Philadelphia without any layovers by taking off from Seattle - Tacoma Intl. Airport (SEA).
What is the cheapest airline that flies from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PAE to PHL. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL)?
Nonstop flights from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PAE to PHL?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL)?
To touch down at Philadelphia Intl. Airport (PHL) on schedule, select a flight that leaves from Snohomish County - Paine Field Airport (PAE) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL) last-minute?
Waiting until just before your departure to book your flight from PAE to PHL often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book a PAE to PHL flight and hotel package?
Securing a PAE to PHL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Snohomish County - Paine Field Airport (PAE) to Philadelphia Intl. Airport (PHL)?
If you booked your PAE to PHL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Seattle Paine Field Intl. Airport
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, Frontier Airlines
Roundtrip price
$246
Distance
2367 mi

Book with confidence

Seattle Paine Field Intl. Airport to Philadelphia Flights

The cheapest times to fly from Seattle Paine Field Intl. Airport to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle Paine Field Intl. Airport to Philadelphia are during the month of October. You can find some of the cheapest flights from Seattle Paine Field Intl. Airport to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle Paine Field Intl. Airport to Philadelphia

Sunday is one of the best days to book for cheap flights from Seattle Paine Field Intl. Airport to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle Paine Field Intl. Airport to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle Paine Field Intl. Airport to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $178 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle Paine Field Intl. Airport to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle Paine Field Intl. Airport to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle Paine Field Intl. Airport to Philadelphia Flights

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*Available to One Key members.