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655 € Cheap Flights from Portland to Lisbon

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      Travellers and cabin class, 1 Adult, Economy

      Compare Portland to Lisbon flight deals

      Find the cheapest month or even day of the year to fly to Lisbon

      Book the best Lisbon fare with no extra fees

      Flight deals from Portland to Lisbon

      Looking for a cheap last-minute deal or the best return flight from Portland Airport to Lisbon Airport? If you want to travel next month, return fares start from 800 €. Find the lowest prices on one-way and return tickets right here.
      Lisbon.655 € per passenger.Departing Sat, 14 Nov, returning Tue, 24 Nov.Return flight with Air France.Outbound indirect flight with Air France, departs from Portland on Sat, 14 Nov, arriving in Lisbon.Inbound indirect flight with Air France, departs from Lisbon on Tue, 24 Nov, arriving in Portland.Price includes taxes and charges.From 655 €, select.
      Lisbon.725 € per passenger.Departing Sat, 13 Feb, returning Sun, 21 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sat, 13 Feb, arriving in Lisbon.Inbound indirect flight with Delta, departs from Lisbon on Sun, 21 Feb, arriving in Portland.Price includes taxes and charges.From 725 €, select.
      Lisbon.800 € per passenger.Departing Tue, 13 Oct, returning Wed, 21 Oct.Return flight with jetBlue and LEVEL.Outbound indirect flight with jetBlue, departs from Portland on Tue, 13 Oct, arriving in Lisbon.Inbound indirect flight with LEVEL, departs from Lisbon on Wed, 21 Oct, arriving in Portland.Price includes taxes and charges.From 800 €, select.
      Lisbon.809 € per passenger.Departing Thu, 24 Sep, returning Wed, 30 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Thu, 24 Sep, arriving in Lisbon.Inbound indirect flight with Delta, departs from Lisbon on Wed, 30 Sep, arriving in Portland.Price includes taxes and charges.From 809 €, select.
      Lisbon.837 € per passenger.Departing Tue, 29 Sep, returning Mon, 5 Oct.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Portland on Tue, 29 Sep, arriving in Lisbon.Inbound indirect flight with KLM, departs from Lisbon on Mon, 5 Oct, arriving in Portland.Price includes taxes and charges.From 837 €, select.
      Lisbon.952 € per passenger.Departing Sat, 8 May, returning Sat, 29 May.Return flight with United.Outbound indirect flight with United, departs from Portland on Sat, 8 May, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Sat, 29 May, arriving in Portland.Price includes taxes and charges.From 952 €, select.

      Find the cheapest month to fly from Portland to Lisbon

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Lisbon flights are currently cheapest in November.
      Sep
      from 809 €
      Oct
      from 800 €
      Nov
      from 655 €
      Dec
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      Jan
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      Feb
      from 725 €
      Mar
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      Apr
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      May
      from 952 €
      Jun
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      Jul
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      Aug
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      Portland to Lisbon: Alternative routes

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

      Lisbon

      8km from central Lisbon
      ClosestCheapest
      from 655 €
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      Cascais Municipal Aerodrome

      19km from central Lisbon
      Search flights

      Portland to Lisbon: Flight information

      The things to know before you go.
      Cheapest flight found655 €
      Cheapest month to flyNovember

      Finding cheap flights from Portland to Lisbon: Frequently asked questions

      The best price we found for a return flight from Portland to Lisbon is 655 €. 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.
      Currently, there are no airlines that fly direct from Portland to Lisbon. But we found flights with one or more stops from 655 €.
      As of September 2026, there are no flights flying from Portland to Lisbon.
      The cheapest month to fly from Portland to Lisbon is usually November.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Lisbon Airport on Saturday, 14 November 2026.
      No airlines currently offer direct flights between Portland Airport and Lisbon Airport. Most routes have one or more stops.
      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 Lisbon 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 Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Air France offers the cheapest flight tickets to Lisbon.

      Flying from Portland Airport (PWM) to Lisbon Airport (LIS): what you need to know

      • The timezone in Lisbon is UTC+0, which is five hours ahead of Portland.

      • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your PWM to LIS flight.

      • If you're jetting off during a major holiday or other peak periods, allow extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

      • Think about adding a stopover when booking your ticket from Portland Airport to Lisbon Airport. Simply uncheck 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Check out these options between PWM and LIS:

        • New York Newark Airport

        • Philadelphia International Airport

        • Washington Dulles Airport

      Handy information about Portland Airport (PWM)

      • The address for PWM is 1001 Westbrook Street.

      • 79% of flights that depart Portland Airport arrive at their destination on time.

      • To reach Portland Airport from central Portland, it'll take around 15 minutes by car. This depends on traffic, however. It's approximately 8 kilometres from the airport to the city centre.

      • The journey when using public transport usually takes 30 minutes.

      • Looking for a handy hotel near PWM? If you're boarding an early flight from Portland Airport to Lisbon Airport, these stays will have you moments from your departure gate:

      Arriving at Lisbon Airport (LIS)

      • The last thing you need is a long journey to your hotel if you're landing late on a Portland Airport to Lisbon Airport flight. Check in to one of these accommodation options near LIS instead:

      • Get on the fast track to adventure by picking up a Lisbon Airport rental car. Grab your wheels from Klass Wagen, Goldcar or OK Mobility and explore beyond Lisbon's main sights.

      • Booking your vehicle from Lisbon Airport about two weeks ahead can help you secure the lowest rate.

      Getting from Lisbon Airport (LIS) to central Lisbon

      • Lisbon Airport to the centre of Lisbon has a drive time of about 20 minutes. It's approximately 8 kilometres away.

      • Getting to the centre by public transport takes about 25 minutes.

      When to fly to Lisbon Airport (LIS)

      • August is the most popular month for flights from Portland Airport to Lisbon Airport. For a quieter experience, visit Lisbon in March.

      • Book your flight from Portland Airport to Lisbon Airport for August if you want to go to Lisbon during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 29ºC (84ºF).

      • If you'd rather travel in cooler conditions, look for a cheap ticket from PWM to LIS in January. Average temperatures are between 8ºC (46ºF) and 16ºC (61ºF) then.

      Explore more of Portugal

      • You've seen Lisbon, now it's time to explore other parts of Portugal. Travel about 274 kilometres north to Porto to check off its leading attractions. From Ribeira District to Rio Douro and Livraria Lello, there's plenty to keep you on the go.

      • If there's time to check out another side of Portugal, consider Amadora, about 8 kilometres north-west of Lisbon. Roman Villa, Park Fantasia and Palácio dos Condes da Lousã are highlights.

      Plan the rest of your trip from Portland to Lisbon

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