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

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      Compare Portland to Philadelphia International flight deals

      Find the cheapest month or even day of the year to fly to Philadelphia International

      Book the best Philadelphia International fare with no extra fees

      Flight deals from Portland to Philadelphia International

      Looking for a cheap last-minute deal or the best return flight from Portland Airport to Philadelphia International Airport? If you want to travel next month, return fares start from $494. Find the lowest prices on one-way and return tickets right here.
      Philadelphia.$392 per passenger.Departing Thu, 15 Oct, returning Tue, 20 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 15 Oct, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 20 Oct, arriving in Portland.Price includes taxes and charges.From $392, select.
      Philadelphia.$470 per passenger.Departing Thu, 3 Dec, returning Mon, 7 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Thu, 3 Dec, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Mon, 7 Dec, arriving in Portland.Price includes taxes and charges.From $470, select.
      Philadelphia.$494 per passenger.Departing Tue, 27 Oct, returning Mon, 2 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 27 Oct, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Mon, 2 Nov, arriving in Portland.Price includes taxes and charges.From $494, select.
      Philadelphia.$494 per passenger.Departing Wed, 23 Sep, returning Thu, 24 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Wed, 23 Sep, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 24 Sep, arriving in Portland.Price includes taxes and charges.From $494, select.
      Philadelphia.$495 per passenger.Departing Sat, 26 Sep, returning Sat, 3 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Sat, 26 Sep, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Sat, 3 Oct, arriving in Portland.Price includes taxes and charges.From $495, select.
      Philadelphia.$525 per passenger.Departing Tue, 22 Dec, returning Tue, 5 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 22 Dec, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Tue, 5 Jan, arriving in Portland.Price includes taxes and charges.From $525, select.
      Philadelphia.$540 per passenger.Departing Sat, 27 Feb, returning Fri, 5 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Sat, 27 Feb, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Fri, 5 Mar, arriving in Portland.Price includes taxes and charges.From $540, select.
      Philadelphia.$570 per passenger.Departing Wed, 25 Nov, returning Thu, 24 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Wed, 25 Nov, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 24 Dec, arriving in Portland.Price includes taxes and charges.From $570, select.
      Philadelphia.$571 per passenger.Departing Wed, 18 Nov, returning Tue, 24 Nov.Return flight with United.Outbound indirect flight with United, departs from Portland on Wed, 18 Nov, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Tue, 24 Nov, arriving in Portland.Price includes taxes and charges.From $571, select.
      Philadelphia.$686 per passenger.Departing Sun, 6 Sep, returning Tue, 10 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sun, 6 Sep, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Tue, 10 Nov, arriving in Portland.Price includes taxes and charges.From $686, select.
      Philadelphia.$898 per passenger.Departing Sat, 29 Aug, returning Sun, 6 Sep.Return flight with United.Outbound indirect flight with United, departs from Portland on Sat, 29 Aug, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Sun, 6 Sep, arriving in Portland.Price includes taxes and charges.From $898, select.
      Philadelphia.$1,023 per passenger.Departing Sat, 29 Aug, returning Sun, 30 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sat, 29 Aug, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Sun, 30 Aug, arriving in Portland.Price includes taxes and charges.From $1,023, select.

      Find the cheapest month to fly from Portland to Philadelphia International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Philadelphia International flights are currently cheapest in October.
      Aug
      from $1,023
      Sep
      from $494
      Oct
      from $392
      Nov
      from $571
      Dec
      from $470
      Jan
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      Feb
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      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Direct flights from Portland to Philadelphia International

      Alaska Airlines
      American Airlines
      British Airways
      Qatar Airways

      Portland to Philadelphia International: Alternative routes

      Compare routes from Portland to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

      Philadelphia International

      11km from central Philadelphia
      ClosestCheapest
      from $392
      Search flights

      Philadelphia Trenton-Mercer

      47km from central Philadelphia
      Search flights

      Greater Wilmington

      49km from central Philadelphia
      Search flights

      Atlantic City International

      75km from central Philadelphia
      Search flights

      Allentown

      81km from central Philadelphia
      from $524
      Search flights

      Portland to Philadelphia: Flight information

      The things to know before you go.
      Cheapest flight found$392
      Cheapest month to flyOctober
      Average flight time5 hrs, 11 mins
      Most popular airlineBritish Airways
      Average flights per week21

      Finding cheap flights from Portland to Philadelphia International: Frequently asked questions

      The best price we found for a return flight from Portland to Philadelphia International is $392. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      5 hours and 11 minutes is the average flight time from Portland to Philadelphia International.
      British Airways, American Airlines and Qatar Airways fly direct from Portland to Philadelphia International.
      As of August 2026, there are 21 flights per week flying from Portland to Philadelphia International.
      The cheapest month to fly from Portland to Philadelphia International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Philadelphia International Airport on Thursday, 15 October 2026.
      Yes – the average flight time is 5 hours and 11 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia International.

      Flying from Portland Airport (PDX) to Philadelphia International Airport (PHL): what you need to know

      • Take a direct flight from Portland Airport to Philadelphia International Airport and you'll be travelling for an average of 5 hours 10 minutes.

      • Philadelphia's timezone is UTC-5, making Philadelphia three hours ahead of Portland.

      • There are ten Portland Airport to Philadelphia International Airport flights each week to choose from.

      • Get to the airport on time so you don't miss your PDX to PHL flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

      • You can expect longer queues during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a smart move.

      • American Airlines is your gateway to exploring Philadelphia (and perhaps some other exciting parts of the United States!). Browse the direct flights from Portland Airport to Philadelphia International Airport offered by this popular airline.

      • American Airlines is the airline with the highest passenger demand for this route.

      • If you'd like to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Portland Airport to Philadelphia International Airport. Here are the top stopovers between PDX and PHL:

        • Chicago O'Hare International Airport

        • Minneapolis St Paul Airport

        • Chicago Midway Airport

      How to find the cheapest flights from Portland Airport (PDX) to Philadelphia International Airport (PHL)

      • $233 is currently the lowest price for a one-way Portland Airport to Philadelphia International Airport flight. Return flights start from $392. These prices can change based on demand and availability.

      • Score cheap tickets from PDX to PHL by booking one month ahead. Based on our research, that's the sweet spot for bagging a bargain.

      • Organise your trip for June. That's the cheapest month for flights from Portland Airport to Philadelphia International Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the cheapest price across every month.

      • Snapping up cheap flights from PDX to PHL is easy with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.

      • Find the right flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Portland Airport to Philadelphia International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

      Handy information about Portland Airport (PDX)

      • PDX's address is 7000 NE Airport Way.

      • 83% of flights departing from Portland Airport reach their destination on time. With its solid on-time performance, you're unlikely to face delays when setting off from PDX.

      • Portland Airport is about 19 kilometres from central Portland. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

      • You can expect a trip time of around 40 minutes when using public transport.

      • Get your trip off to a hassle-free start by staying near PDX. Whether you've booked an early flight from Portland Airport to Philadelphia International Airport or want to avoid feeling rushed, these stays have you covered:

      Arriving at Philadelphia International Airport (PHL)

      When to fly to Philadelphia International Airport (PHL)

      • It's time to choose your travel dates for your flight from Portland Airport to Philadelphia International Airport. August is the busiest month to head to Philadelphia. If you prefer a more laid-back vibe, go in March.

      • Book your flight from Portland Airport to Philadelphia International Airport for July if you'd like to visit Philadelphia during its warmest month. You can expect temperatures of between 18ºC (64ºF) and 32ºC (90ºF).

      • If you'd rather travel in cooler conditions, search for a cheap ticket from PDX to PHL in January. Temperatures average between -7ºC (19ºF) and 9ºC (48ºF) then.

      Explore more of the United States

      • New York is just one of the many places in the United States waiting to be discovered once you've seen the sights of Philadelphia. Around 129 kilometres away to the north-east, check out popular attractions including Central Park, Statue of Liberty and Metropolitan Museum of Art.

      • Boston is another well-known destination in the United States and is around 434 kilometres north-east of Philadelphia. No trip is complete without seeing Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.