$104 Cheap Flights from Philadelphia (PHL) to Portland (PDX)

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Cheap Flights from Philadelphia to Portland (PHL-PDX)

Prices were available within the past 7 days and start at $104 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
Delta
United
Southwest Airlines
Flights from Philadelphia (PHL) to Portland (PDX)
Origin airport
Philadelphia Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$198
Distance
2399 mi

Philadelphia to Portland Flights

The cheapest times to fly from Philadelphia to Portland

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

The best time to book a flight from Philadelphia to Portland

Sunday is one of the best days to book for cheap flights from Philadelphia to Portland: 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 Philadelphia to Portland

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 Philadelphia to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $104 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 Philadelphia to Portland 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 Philadelphia to Portland 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.

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Portland Intl. Airport (PDX) cost?
Discover the latest flight deals from PHL to PDX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHL to PDX?
The cheapest flights from PHL to PDX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHL to PDX?
Fly from PHL to PDX with American Airlines. This airline currently has the lowest one-way fare for this route, starting from $199. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHL on July 4 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Philadelphia Intl. Airport (PHL) to Portland Intl. Airport (PDX)?
You’ll need to hop on a flight with a layover when traveling from Philadelphia Intl. Airport (PHL) to Portland Intl. Airport (PDX). Direct flights don’t operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from PHL to PDX?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Portland Intl. Airport (PDX)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to Portland Intl. Airport (PDX) route, aim to travel before 3 PM. Later departures 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 Philadelphia Intl. Airport (PHL) to Portland Intl. Airport (PDX) last-minute?
Last-minute bookings from PHL to PDX are usually more expensive. For the lowest rates, start searching for flights as soon as possible. That said, if your travel plans are flexible, it’s possible to score a cheap ticket right before your journey.
Is it cheaper to book a PHL to PDX flight and hotel package?
You’ll typically save money by securing a PHL to PDX flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one place. Once you’ve selected your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Portland Intl. Airport (PDX)?
Generally, it’s possible to cancel or reschedule your PHL to PDX flight. However, if it’s been more than 24 hours since booking, 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 more information on our Customer Service portal.

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*Available to One Key members.