Cheap flight tickets from Raleigh / Durham to Porto

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 RM4,514. Find the lowest prices on one-way and return tickets right here.

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 September.

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.

Durham to Porto: Flight information

The things to know before you go.
Cheapest flight foundRM1,519
Cheapest month to flySeptember

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 RM3,030. 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 RM3,030.
As of May 2026, there are no flights flying from Raleigh / Durham to Porto.
The cheapest month to fly from Raleigh / Durham to Porto is usually November.
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, 2 November 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, Air France offers the cheapest flight tickets to Porto.

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

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

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to board your RDU to OPO flight.

  • Flying during a peak time such as July? School holidays and other high seasons can lead to longer queues and delays at security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Raleigh-Durham International Airport to Porto Airport. Here are the top stopovers between RDU and OPO:

    • John F. Kennedy International Airport

    • Newark Liberty International Airport

    • Montreal-Pierre Elliott Trudeau International Airport

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

  • RM1,519 is currently the lowest price for a one-way Raleigh-Durham International Airport to Porto Airport flight. A return flight starts at RM3,030. These prices can change depending on availability.

  • To pick up cheap tickets from RDU to OPO, book as early as you can. Airlines usually offer lower prices when flights are first released.

  • If you're flexible with your travel dates, try using the 'Whole month' search function. It'll give you the cheapest price across the month when searching for a flight from Raleigh-Durham International Airport to Porto Airport.

  • Save time searching for cheap flights from RDU to OPO by creating a Price Alert. You'll receive an email or push notification on the app when a special offer becomes available.

  • Select your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Raleigh-Durham International Airport to Porto Airport.

Handy information about Raleigh-Durham International Airport (RDU)

  • Raleigh-Durham International Airport maintains a solid on-time performance, reducing the likelihood of delays. Departures from RDU land at their destination as scheduled 80.09% of the time.

  • Central Durham to Raleigh-Durham International Airport is around 23 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The trip when using public transport will take about 1 hour 10 minutes.

  • Need a handy hotel near RDU? If you're catching an early flight from Raleigh-Durham International Airport to Porto Airport, these stays will put you moments from your check-in counter:

Arriving at Porto Airport (OPO)

  • Reserve a hotel near OPO if you're taking a late Raleigh-Durham International Airport to Porto Airport flight. Check in to one of these options and skip the long transfer:

  • Hit the road running by picking up a Porto Airport rental car. Grab a set of wheels from Klass Wagen, Goldcar or Drive & Go and experience the lesser-explored corners of Porto and beyond.

  • Secure the lowest price by booking your vehicle from Porto Airport around three weeks in advance of your trip.

Getting from Porto Airport (OPO) to central Porto

  • From Porto Airport, Porto is approximately 16 kilometres away. It takes around 20 minutes to drive to the centre.

  • It typically takes 50 minutes if you're travelling by public transport.

When to fly to Porto Airport (OPO)

  • It's time to work out your trip dates for your flight from Raleigh-Durham International Airport to Porto Airport. August is the most popular month to visit Porto. If you want a more low-key vibe, go in January.

  • When reserving your flight from Raleigh-Durham International Airport to Porto Airport, think about the kind of weather you enjoy. August is the warmest month in Porto, with temperatures ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • If you want to travel in 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 cities in Portugal waiting to be explored once you've seen the sights of Porto. Around 274 kilometres away to the south, check out popular attractions including Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.

  • Amadora is another standout destination in Portugal and is around 274 kilometres south of Porto. No journey is complete without seeing Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.