Cheap Flights from Rennes to Porto

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Compare Rennes to Porto flight deals

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

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Flight deals from Rennes to Porto

Looking for a cheap last-minute deal or the best return flight from Rennes to Porto? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Rennes to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rennes to Porto flights are currently cheapest in May.

Rennes to Porto: Alternative routes

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

Rennes to Porto: Flight information

The things to know before you go.
Cheapest flight foundR 2,427
Cheapest month to flyMay

Finding cheap flights from Rennes to Porto: Frequently asked questions

The best price we found for a return flight from Rennes to Porto is R 3,841. 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 Rennes to Porto. But we found flights with one or more stops from R 3,841.
As of April 2025, there are no flights flying from Rennes to Porto.
The cheapest month to fly from Rennes to Porto is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rennes Airport to Porto Airport on Wednesday, 1 October 2025.
No airlines currently offer direct flights between Rennes 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, easyJet offers the cheapest flight tickets to Porto.

Travelling from Rennes Airport (RNS) to Porto Airport (OPO): what you need to know

  • Porto is one hour behind Rennes and observes the UTC+0 timezone.

  • Leave enough time to catch your RNS to OPO flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like April, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Rennes Airport to Porto Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to visit the city of your choice. Top stopovers between RNS and OPO include:

    • Lyon Saint-Exupery International Airport

    • Frankfurt Airport

    • Charles de Gaulle Airport

How to find the cheapest flights from Rennes Airport (RNS) to Porto Airport (OPO)

  • R 2,427 is currently the lowest price for a one-way Rennes Airport to Porto Airport flight. Return flights start from R 3,841. These prices can change based on availability.

  • Don't wait until the last moment. You're more likely to get cheap tickets from RNS to OPO if you book early. Airlines often have some terrific early bird rates.

  • Getting cheap flights from Rennes Airport to Porto Airport is easy if you're flexible with your dates. Use the 'Whole month' tool to see the best prices across each month and score a great deal.

  • Stay on top of deals for cheap flights from RNS to OPO by creating a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.

  • Find the perfect flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Rennes Airport to Porto Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Rennes Airport (RNS)

  • 77.88% of flights that depart Rennes Airport touch down at their destination on time.

  • Rennes Airport is around 11 kilometres from central Rennes. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • Expect a journey time of around 50 minutes on public transport.

  • Get your break off to a hassle-free start by staying near RNS. Whether you're catching an early flight from Rennes Airport to Porto Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Porto Airport (OPO)

  • The last thing you want is a long trip to your hotel if you're getting in late on a Rennes Airport to Porto Airport flight. Stay at one of these accommodation options near OPO instead:

  • Grab a Porto Airport rental car and discover Porto and beyond with your own wheels. Klass Wagen, Goldcar and Drive & Go are leading providers you can book with here.

  • Lock in the best deal by booking your vehicle from Porto Airport about three weeks in advance of your trip.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is roughly 16 kilometres from central Porto. The drive time takes about 20 minutes.

  • If you're taking public transport, expect a journey of around 50 minutes.

When to fly to Porto Airport (OPO)

  • It's time to plan your trip dates for your flight from Rennes Airport to Porto Airport. August is the busiest month to head to Porto. If you want a more low-key vibe, go in January.

  • The warmest month in Porto is August, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Rennes Airport to Porto Airport in this month if this is the type of weather you like.

  • January sees average temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Look for cheap tickets from RNS to OPO sometime around then if you'd rather travel in cooler conditions.

Explore more of Portugal

  • Lisbon is just one of the many places in Portugal waiting to be explored after you've seen Porto. Around 274 kilometres away to the south, well-known attractions include Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.

  • Amadora is another essential stop in Portugal and is around 274 kilometres south of Porto. No trip 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.