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Cheap flights from Dublin to Rennes

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      Compare Dublin to Rennes flight deals

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

      Book the best Rennes fare with no extra fees

      Flight deals from Dublin to Rennes

      Looking for a cheap last-minute deal or the best round-trip flight from Dublin to Rennes? Find the lowest prices on one-way and round-trip tickets right here.
      Rennes.$136 per passenger.Departing Wed, May 7, returning Wed, May 14.Round-trip flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Wed, May 7, arriving in Rennes.Inbound direct flight with Aer Lingus departing from Rennes on Wed, May 14, arriving in Dublin.Price includes taxes and charges.From $136, select.
      Rennes.$171 per passenger.Departing Sat, Sep 20, returning Sat, Sep 27.Round-trip flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Sat, Sep 20, arriving in Rennes.Inbound direct flight with Aer Lingus departing from Rennes on Sat, Sep 27, arriving in Dublin.Price includes taxes and charges.From $171, select.
      Rennes.$182 per passenger.Departing Wed, Apr 30, returning Sat, May 3.Round-trip flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Wed, Apr 30, arriving in Rennes.Inbound direct flight with Aer Lingus departing from Rennes on Sat, May 3, arriving in Dublin.Price includes taxes and charges.From $182, select.
      Rennes.$185 per passenger.Departing Wed, Jun 25, returning Wed, Jul 2.Round-trip flight with Aer Lingus and easyJet.Outbound indirect flight with Aer Lingus, departing from Dublin on Wed, Jun 25, arriving in Rennes.Inbound indirect flight with easyJet, departing from Rennes on Wed, Jul 2, arriving in Dublin.Price includes taxes and charges.From $185, select.
      Rennes.$198 per passenger.Departing Wed, Jul 2, returning Wed, Jul 9.Round-trip flight with Aer Lingus and easyJet.Outbound indirect flight with Aer Lingus, departing from Dublin on Wed, Jul 2, arriving in Rennes.Inbound indirect flight with easyJet, departing from Rennes on Wed, Jul 9, arriving in Dublin.Price includes taxes and charges.From $198, select.
      Rennes.$204 per passenger.Departing Mon, Aug 4, returning Sun, Aug 10.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Dublin on Mon, Aug 4, arriving in Rennes.Inbound indirect flight with KLM, departing from Rennes on Sun, Aug 10, arriving in Dublin.Price includes taxes and charges.From $204, select.
      Rennes.$204 per passenger.Departing Thu, Oct 9, returning Tue, Oct 14.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Dublin on Thu, Oct 9, arriving in Rennes.Inbound indirect flight with KLM, departing from Rennes on Tue, Oct 14, arriving in Dublin.Price includes taxes and charges.From $204, select.
      Rennes.$205 per passenger.Departing Fri, Apr 25, returning Tue, Apr 29.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Dublin on Fri, Apr 25, arriving in Rennes.Inbound indirect flight with KLM, departing from Rennes on Tue, Apr 29, arriving in Dublin.Price includes taxes and charges.From $205, select.

      Find the cheapest month to fly from Dublin to Rennes

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Rennes flights are currently cheapest in May.
      Apr
      from $205
      May
      from $136
      Jun
      from $208
      Jul
      from $198
      Aug
      from $204
      Sep
      from $171
      Oct
      from $204
      Nov
      Find prices
      Dec
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      Jan
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      Feb
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      Mar
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      Direct flights from Dublin to Rennes

      Dublin to Rennes: Alternative routes

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

      Dublin to Rennes: Flight information

      The things to know before you go.
      Cheapest flight found$136
      Cheapest month to flyMay
      Average flight time1 hr, 58 mins
      Most popular airlineAer Lingus
      Average flights per week6

      Finding cheap flights from Dublin to Rennes: Frequently asked questions

      The best price we found for a round-trip flight from Dublin to Rennes is $136. 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.
      1 hour and 58 minutes is the average flight time from Dublin to Rennes.
      Aer Lingus, Qatar Airways and Emerald Airlines fly direct from Dublin to Rennes.
      There are 6 flights per week flying from Dublin to Rennes, as of April 2025.
      The cheapest month to fly from Dublin to Rennes is usually May.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Rennes Airport on Wednesday, May 7, 2025.
      Yes – the average flight time is 1 hour and 58 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 Rennes 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 Rennes is around 40 days in advance, so don’t leave your flight to the last minute.
      Currently, Aer Lingus offers the cheapest flight tickets to Rennes.

      Traveling from Dublin Airport (DUB) to Rennes Airport (RNS): what you need to know

      • Book a direct flight from Dublin Airport to Rennes Airport and you'll be in the air for an average of 2 hours.

      • Rennes is one hour ahead of Dublin and observes the UTC+1 timezone.

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

      • Be prepared for longer queues in popular months such as August. Arriving up to four hours ahead of an international flight and two hours for domestic departures will give you ample time for security and boarding.

      • Aer Lingus is your ticket to exploring Rennes (and maybe even some other exciting parts of France!). Check out the direct flights from Dublin Airport to Rennes Airport offered by this popular carrier.

      • The airline most travelers fly with on this route is Aer Lingus.

      • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Dublin Airport to Rennes Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to tour the city of your choice. Stopovers between DUB and RNS include:

        • London Gatwick Airport

        • Amsterdam Airport Schiphol

        • Frankfurt Airport

      How to find the cheapest flights from Dublin Airport (DUB) to Rennes Airport (RNS)

      • The lowest price we've seen for a one-way Dublin Airport to Rennes Airport flight is $68. A round-trip plane ticket right now is $136. Depending on the availability when you book, these fares can change.

      • Book 11 months before your departure date. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from DUB to RNS.

      • October is the cheapest month for flights from Dublin Airport to Rennes Airport. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

      • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll let you know as soon as there's a better deal on cheap flights from DUB to RNS.

      • Select your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Dublin Airport to Rennes Airport.

      Handy information about Dublin Airport (DUB)

      • 72.87% of flights taking off from Dublin Airport arrive at their destination on schedule.

      • Central Dublin to Dublin Airport is approximately 21 kilometers. Depending on traffic, it'll take about 30 minutes to get there if you're driving, catching a cab or ride-sharing.

      • The journey when using public transport will take about 2 hours 10 minutes.

      • Taking an early flight from Dublin Airport to Rennes Airport? Avoid rushing to the airport (and sneak in some extra snooze time) by picking one of these stays close to DUB:

      Arriving at Rennes Airport (RNS)

      Getting from Rennes Airport (RNS) to central Rennes

      • Rennes Airport to the center of Rennes has a drive time of about 20 minutes. It's approximately 11 kilometers away.

      • It typically takes 50 minutes when traveling by public transport.

      When to fly to Rennes Airport (RNS)

      • April is the busiest month for flights from Dublin Airport to Rennes Airport. For smaller crowds, visit Rennes in February.

      • When booking your flight from Dublin Airport to Rennes Airport, consider the type of weather you enjoy. July is the warmest month in Rennes, with the temperature ranging from 11ºC (52ºF) to 28ºC (82ºF).

      • If you want to travel in cooler conditions, search for a cheap ticket from DUB to RNS in January. Average temperatures are between 0ºC (32ºF) and 10ºC (50ºF) then.

      Explore more of France

      • You've seen Rennes, now it's time to explore other parts of France. Travel around 306 kilometers east to Paris to tick off its popular sights. From Eiffel Tower to Louvre Museum and Cathédrale Notre-Dame de Paris, there's plenty to keep you on the go.

      • Nantes is another standout destination in France and is around 97 kilometers south of Rennes. No trip is complete without a visit to Chateau des Ducs de Bretagne, Les Machines de L'ile and Jardin des Plantes.

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      Plan the rest of your trip from Dublin to Rennes

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