$78 Cheap Flights from Portland (PDX) to Philadelphia (PHL)

View $78 flight on Sun, Dec 14, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Philadelphia Intl. Airport (PHL)

Cheap Flights from Portland to Philadelphia (PDX-PHL)

Prices were available within the past 7 days and start at $78 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 13 - Sat, Nov 15
PDX
Portland
PHL
Philadelphia
$147 Roundtrip, found 17 hours ago
$147
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Portland to Philadelphia, returning Sat, Nov 15, priced at $147 found 17 hours ago
Frontier Airlines
Fri, Nov 14 - Mon, Nov 17
PDX
Portland
PHL
Philadelphia
$183 Roundtrip, found 13 hours ago
$183
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Portland to Philadelphia, returning Mon, Nov 17, priced at $183 found 13 hours ago
Frontier Airlines
Thu, Nov 6 - Sat, Nov 15
PDX
Portland
PHL
Philadelphia
$236 Roundtrip, found 23 hours ago
$236
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Portland to Philadelphia, returning Sat, Nov 15, priced at $236 found 23 hours ago
Frontier Airlines
Fri, Nov 14 - Mon, Nov 17
PDX
Portland
PHL
Philadelphia
$241 Roundtrip, found 13 hours ago
$241
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Portland to Philadelphia, returning Mon, Nov 17, priced at $241 found 13 hours ago
Frontier Airlines
Thu, Nov 13 - Mon, Nov 17
PDX
Portland
PHL
Philadelphia
$252 Roundtrip, found 14 hours ago
$252
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Portland to Philadelphia, returning Mon, Nov 17, priced at $252 found 14 hours ago
Frontier Airlines
Sun, Dec 7 - Fri, Dec 12
PDX
Portland
PHL
Philadelphia
$256 Roundtrip, found 3 hours ago
$256
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, Dec 7 from Portland to Philadelphia, returning Fri, Dec 12, priced at $256 found 3 hours ago
American Airlines
Fri, Jan 30 - Sun, Feb 1
PDX
Portland
PHL
Philadelphia
$262 Roundtrip, found 6 days ago
$262
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Jan 30 from Portland to Philadelphia, returning Sun, Feb 1, priced at $262 found 6 days ago
United
Wed, Nov 12 - Sat, Nov 15
PDX
Portland
PHL
Philadelphia
$279 Roundtrip, found 19 hours ago
$279
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Nov 12 from Portland to Philadelphia, returning Sat, Nov 15, priced at $279 found 19 hours ago
Southwest Airlines
Wed, Nov 12 - Sat, Nov 15
PDX
Portland
PHL
Philadelphia
$284 Roundtrip, found 19 hours ago
$284
Roundtrip
found 19 hours ago
Select Southwest Airlines flight, departing Wed, Nov 12 from Portland to Philadelphia, returning Sat, Nov 15, priced at $284 found 19 hours ago
JetBlue Airways
Mon, May 4 - Thu, May 7
PDX
Portland
PHL
Philadelphia
$293 Roundtrip, found 5 days ago
$293
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Mon, May 4 from Portland to Philadelphia, returning Thu, May 7, priced at $293 found 5 days ago

Find the cheapest month to fly from Portland (PDX) to Philadelphia (PHL)

April is typically the cheapest month to fly

From $137 - $592 per traveler.

Alternative airports near Philadelphia

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

Select flight to New Castle ILG. Average driving time to city center is 44 minutes. Flights from $587
ILG
New Castle
Average driving time to city center44 min
Flights from $587

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL) cost?
Secure a cheap one-way flight from $78 or cheap return flight from $147 from Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL)?
November is the cheapest month to fly from PDX to PHL. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from PDX to PHL. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL)?
Direct flights from Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to PHL?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change 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 Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL)?
To avoid possible delays on the Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**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 Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL) last-minute?
Waiting until right before your break to book a ticket from PDX to PHL often results in higher prices. While you might find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a PDX to PHL flight and hotel package?
You'll generally save money by securing a PDX to PHL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Philadelphia Intl. Airport (PHL)?
Typically, it's possible to cancel or reschedule your PDX to PHL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$147
Distance
2399 mi

Book with confidence

Portland to Philadelphia Flights

The cheapest times to fly from Portland 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 Portland to Philadelphia are during the month of November. You can find some of the cheapest flights from Portland to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Philadelphia

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $78 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 Portland 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 Portland 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.

 

Portland to Philadelphia Flights

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*Available to One Key members.