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599 € Cheap Flights from Raleigh / Durham to Porto

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      Travellers and cabin class, 1 Adult, Economy

      Compare Raleigh / Durham to Porto flight deals

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

      Book the best Porto fare with no extra fees

      Flight deals from Raleigh / Durham to Porto

      Looking for a cheap last-minute deal or the best return flight from Raleigh / Durham Airport to Porto Airport? If you want to travel next month, return fares start from 616 €. Find the lowest prices on one-way and return tickets right here.
      Porto.599 € per passenger.Departing Mon, 26 Oct, returning Wed, 11 Nov.Return flight with KLM.Outbound indirect flight with KLM, departs from Raleigh / Durham on Mon, 26 Oct, arriving in Porto.Inbound indirect flight with KLM, departs from Porto on Wed, 11 Nov, arriving in Raleigh / Durham.Price includes taxes and charges.From 599 €, select.
      Porto.616 € per passenger.Departing Tue, 20 Oct, returning Thu, 29 Oct.Return flight with Frontier Airlines and easyJet.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Tue, 20 Oct, arriving in Porto.Inbound indirect flight with easyJet, departs from Porto on Thu, 29 Oct, arriving in Raleigh / Durham.Price includes taxes and charges.From 616 €, select.
      Porto.626 € per passenger.Departing Sun, 21 Feb, returning Thu, 25 Feb.Return flight with United.Outbound indirect flight with United, departs from Raleigh / Durham on Sun, 21 Feb, arriving in Porto.Inbound indirect flight with United, departs from Porto on Thu, 25 Feb, arriving in Raleigh / Durham.Price includes taxes and charges.From 626 €, select.
      Porto.656 € per passenger.Departing Sun, 27 Sep, returning Fri, 9 Oct.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Sun, 27 Sep, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Fri, 9 Oct, arriving in Raleigh / Durham.Price includes taxes and charges.From 656 €, select.
      Porto.660 € per passenger.Departing Thu, 10 Dec, returning Fri, 18 Dec.Return flight with United.Outbound indirect flight with United, departs from Raleigh / Durham on Thu, 10 Dec, arriving in Porto.Inbound indirect flight with United, departs from Porto on Fri, 18 Dec, arriving in Raleigh / Durham.Price includes taxes and charges.From 660 €, select.
      Porto.660 € per passenger.Departing Mon, 2 Nov, returning Mon, 9 Nov.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Raleigh / Durham on Mon, 2 Nov, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Mon, 9 Nov, arriving in Raleigh / Durham.Price includes taxes and charges.From 660 €, select.
      Porto.660 € per passenger.Departing Wed, 17 Mar, returning Mon, 22 Mar.Return flight with Air France.Outbound indirect flight with Air France, departs from Raleigh / Durham on Wed, 17 Mar, arriving in Porto.Inbound indirect flight with Air France, departs from Porto on Mon, 22 Mar, arriving in Raleigh / Durham.Price includes taxes and charges.From 660 €, select.
      Porto.664 € per passenger.Departing Fri, 8 Jan, returning Thu, 14 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Raleigh / Durham on Fri, 8 Jan, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Thu, 14 Jan, arriving in Raleigh / Durham.Price includes taxes and charges.From 664 €, select.
      Porto.673 € per passenger.Departing Mon, 5 Apr, returning Wed, 14 Apr.Return flight with Air France.Outbound indirect flight with Air France, departs from Raleigh / Durham on Mon, 5 Apr, arriving in Porto.Inbound indirect flight with Air France, departs from Porto on Wed, 14 Apr, arriving in Raleigh / Durham.Price includes taxes and charges.From 673 €, select.
      Porto.705 € per passenger.Departing Thu, 6 May, returning Thu, 20 May.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Raleigh / Durham on Thu, 6 May, arriving in Porto.Inbound indirect flight with Lufthansa, departs from Porto on Thu, 20 May, arriving in Raleigh / Durham.Price includes taxes and charges.From 705 €, select.
      Porto.754 € per passenger.Departing Thu, 25 Mar, returning Thu, 1 Apr.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Raleigh / Durham on Thu, 25 Mar, arriving in Porto.Inbound indirect flight with Lufthansa, departs from Porto on Thu, 1 Apr, arriving in Raleigh / Durham.Price includes taxes and charges.From 754 €, select.
      Porto.832 € per passenger.Departing Wed, 16 Dec, returning Mon, 4 Jan.Return flight with Frontier Airlines and easyJet.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Wed, 16 Dec, arriving in Porto.Inbound indirect flight with easyJet, departs from Porto on Mon, 4 Jan, arriving in Raleigh / Durham.Price includes taxes and charges.From 832 €, select.
      Porto.858 € per passenger.Departing Tue, 22 Sep, returning Sun, 27 Sep.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Raleigh / Durham on Tue, 22 Sep, arriving in Porto.Inbound indirect flight with Lufthansa, departs from Porto on Sun, 27 Sep, arriving in Raleigh / Durham.Price includes taxes and charges.From 858 €, select.
      Porto.945 € per passenger.Departing Tue, 8 Jun, returning Wed, 16 Jun.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Raleigh / Durham on Tue, 8 Jun, arriving in Porto.Inbound indirect flight with Air Canada, departs from Porto on Wed, 16 Jun, arriving in Raleigh / Durham.Price includes taxes and charges.From 945 €, select.

      Find the cheapest month to fly from Raleigh / Durham to Porto

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Raleigh / Durham to Porto flights are currently cheapest in October.
      Sep
      from 858 €
      Oct
      from 616 €
      Nov
      from 660 €
      Dec
      from 660 €
      Jan
      from 664 €
      Feb
      from 626 €
      Mar
      from 660 €
      Apr
      from 673 €
      May
      from 705 €
      Jun
      from 945 €
      Jul
      Find prices
      Aug
      Find prices

      Raleigh / Durham to Porto: Alternative routes

      Compare routes from Raleigh / Durham to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

      Porto

      12km from central Porto
      ClosestCheapest
      from 599 €
      Search flights

      Vila Real

      76km from central Porto
      Search flights

      Viseu G. Lobato

      81km from central Porto
      Search flights

      Durham to Porto: Flight information

      The things to know before you go.
      Cheapest flight found599 €
      Cheapest month to flyOctober

      Finding cheap flights from Raleigh / Durham to Porto: Frequently asked questions

      The best price we found for a return flight from Raleigh / Durham to Porto is 599 €. 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 Raleigh / Durham to Porto. But we found flights with one or more stops from 599 €.
      As of September 2026, there are no flights flying from Raleigh / Durham to Porto.
      The cheapest month to fly from Raleigh / Durham to Porto is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Raleigh / Durham Airport to Porto Airport on Monday, 26 October 2026.
      No airlines currently offer direct flights between Raleigh / Durham Airport and Porto 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 Porto 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 Porto is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, KLM offers the cheapest flight tickets to Porto.

      Travelling from Raleigh / Durham Airport (RDU) to Porto Airport (OPO): what you need to know

      • The timezone in Porto is UTC+0, which is five hours ahead of Durham.

      • Leave plenty of time to make your RDU to OPO flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

      • During popular months like July, it's best to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during peak periods in general.

      • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Raleigh / Durham Airport to Porto Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour your chosen city. Popular stopovers between RDU and OPO include:

        • New York John F. Kennedy Airport

        • New York Newark Airport

        • Montreal Pierre Elliott Trudeau Airport

      How to find the cheapest flights from Raleigh / Durham Airport (RDU) to Porto Airport (OPO)

      • Right now, 225 € is the lowest price we've seen for a one-way Raleigh / Durham Airport to Porto Airport flight. The best price for a return plane ticket is 599 €. Bear in mind that fares may change due to availability at the time of booking.

      • To find cheap tickets from RDU to OPO, book in advance. Airlines typically offer lower fares when flights are first released.

      • If you're willing to be flexible with your travel plans, use the 'Whole month' search tool. It'll give you the cheapest price in every month when looking for a flight from Raleigh / Durham Airport to Porto Airport.

      • You don't need to check every day to see if fares have dropped when you set up a Price Alert. We'll update you as soon as the price changes on cheap flights from RDU to OPO.

      • Tailor your flights with filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Raleigh / Durham Airport to Porto Airport.

      Handy information about Raleigh / Durham Airport (RDU)

      • When it comes to the on-time performance of Raleigh / Durham Airport, data shows 78% of flights stick to their scheduled arrival time.

      • To reach Raleigh / Durham Airport from central Durham, it'll take around 20 minutes if you're planning to drive. This depends on traffic though. It's approximately 18 kilometres from the airport to the city centre.

      • You can expect a journey time of around 45 minutes when using public transport.

      • Searching for a convenient hotel close to RDU? If you've booked an early flight from Raleigh / Durham Airport to Porto Airport, these stays will have you sleeping moments from your departure gate:

      Arriving at Porto Airport (OPO)

      • Consider staying in a hotel close to OPO if you're catching a late Raleigh / Durham Airport to Porto Airport flight. Check in to one of these options and skip the long transfer after landing:

      • Begin your adventure by picking up a Porto Airport rental car. Grab your wheels from Klass Wagen, Goldcar or Drive & Go and explore beyond Porto's main sights.

      • Booking your vehicle from Porto Airport around three weeks in advance can help you secure the lowest rate.

      When to fly to Porto Airport (OPO)

      • August is the most popular month for flights from Raleigh / Durham Airport to Porto Airport. To escape the crowds, visit Porto in March.

      • Before locking in your flight from Raleigh / Durham Airport to Porto Airport, consider the type of weather you enjoy. August is the warmest month in Porto, with the temperature ranging from 14ºC (57ºF) to 32ºC (90ºF).

      • For cooler conditions, look for a cheap ticket from RDU to OPO in January. Temperatures average between 3ºC (37ºF) and 14ºC (57ºF) then.

      Explore more of Portugal

      • Lisbon is just one of the many places in Portugal waiting to be discovered once you've seen Porto. Around 274 kilometres away to the south, well-known attractions include Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.

      • Around 274 kilometres south of Porto, Amadora is another favourite stop in Portugal. Get a taste of what this destination has to offer at Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

      Plan the rest of your trip from Durham to Porto

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