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Cheap Flights from Rennes to Dublin

Compare Rennes to Dublin flight deals

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Flight deals from Rennes to Dublin

Looking for a cheap last-minute deal or the best return flight from Rennes to Dublin? Find the lowest prices on one-way and return tickets right here.
Dublin.R 1,392 per passenger.Departing Wed, 17 Sep.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Rennes on Wed, 17 Sep, arriving in Dublin.Price includes taxes and charges.From R 1,392, select.
Dublin.R 2,036 per passenger.Departing Wed, 27 Aug.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Rennes on Wed, 27 Aug, arriving in Dublin.Price includes taxes and charges.From R 2,036, select.
Dublin.R 2,116 per passenger.Departing Wed, 23 Jul.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Rennes on Wed, 23 Jul, arriving in Dublin.Price includes taxes and charges.From R 2,116, select.
Dublin.R 2,493 per passenger.Departing Thu, 20 Nov.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Rennes on Thu, 20 Nov, arriving in Dublin.Price includes taxes and charges.From R 2,493, select.
Dublin.R 2,622 per passenger.Departing Sun, 1 Feb.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Rennes on Sun, 1 Feb, arriving in Dublin.Price includes taxes and charges.From R 2,622, select.
Dublin.R 4,725 per passenger.Departing Sat, 31 Jan.One-way flight with Air France.Outbound indirect flight with Air France, departs from Rennes on Sat, 31 Jan, arriving in Dublin.Price includes taxes and charges.From R 4,725, select.
Dublin.R 5,113 per passenger.Departing Sat, 26 Jul.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Rennes on Sat, 26 Jul, arriving in Dublin.Price includes taxes and charges.From R 5,113, select.

Find the cheapest month to fly from Rennes to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rennes to Dublin flights are currently cheapest in September.
Jul
from R 2,116
Aug
from R 2,036
Sep
from R 1,392
Oct
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Nov
from R 2,493
Dec
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Jan
from R 4,725
Feb
from R 2,622
Mar
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Apr
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May
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Jun
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Direct flights from Rennes to Dublin

Rennes to Dublin: Alternative routes

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

Rennes to Dublin: Flight information

The things to know before you go.
Cheapest flight foundR 1,392
Cheapest month to flySeptember
Average flight time1 hr, 50 mins
Most popular airlineAer Lingus
Average flights per week4

Finding cheap flights from Rennes to Dublin: Frequently asked questions

The best price we found for a return flight from Rennes to Dublin is R 2,233. 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 50 minutes is the average flight time from Rennes to Dublin.
Aer Lingus and Emerald Airlines fly direct from Rennes to Dublin.
As of July 2025, there are 4 flights per week flying from Rennes to Dublin.
The cheapest month to fly from Rennes to Dublin is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rennes Airport to Dublin Airport on Wednesday, 24 September 2025.
Yes – the average flight time is 1 hour and 50 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 Dublin 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 Dublin 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 Dublin.

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

  • Around 1 hour 55 minutes is how long you can expect to be in the air on a direct flight from Rennes Airport to Dublin Airport.

  • Dublin's timezone is UTC+0, which makes Dublin one hour behind Rennes.

  • 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 catch your RNS to DUB flight.

  • You can expect bigger queues during popular months like April. Arriving up to four hours in advance for international flights and two hours for domestic departures will help ensure a smooth travel experience.

  • Jetting into Dublin (and then exploring more of Ireland!) is easy with Aer Lingus. This popular carrier offers direct flights from Rennes Airport to Dublin Airport.

  • The airline that passengers book most often on this route is Aer Lingus.

  • If you'd like to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Rennes Airport to Dublin Airport. These are the most popular stopovers between RNS and DUB:

    • London Gatwick Airport

    • Charles de Gaulle Airport

    • Lyon Saint-Exupery International Airport

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

  • R 1,392 is the best price for a one-way Rennes Airport to Dublin Airport flight. A return flight starts from R 2,233. These prices can change depending on demand and availability.

  • To score cheap tickets from RNS to DUB, reserve your journey nine months ahead of your departure.

  • The cheapest month for flights from Rennes Airport to Dublin Airport is August. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.

  • You don't need to check every day to see if fares have gone down when you create a Price Alert. We'll notify you the moment there's a change in price on cheap flights from RNS to DUB.

  • Tailor your flights with filters. Pick your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Rennes Airport to Dublin Airport.

Handy information about Rennes Airport (RNS)

  • When it comes to Rennes Airport's on-time performance, 77.88% of flights arrive within the scheduled timeframe.

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

  • Planning to catch public transport? Expect a trip time of around 50 minutes.

  • Booked an early flight from Rennes Airport to Dublin Airport? Avoid the stress of rushing to the terminal (and catch some extra z's) by choosing one of these stays near RNS:

Arriving at Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • From Dublin Airport, Dublin is approximately 21 kilometres away. It takes around 30 minutes to get to the centre driving.

  • When travelling by public transport, expect a journey of about 2 hours 10 minutes.

When to fly to Dublin Airport (DUB)

  • It's time to pick your trip dates for your flight from Rennes Airport to Dublin Airport. August is the most popular month to head to Dublin. If you like a quieter vibe, go in January.

  • The warmest month in Dublin is July, with temperatures ranging between 10ºC (50ºF) and 20ºC (68ºF). Book your flights from Rennes Airport to Dublin Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from RNS to DUB in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 1ºC (34ºF) and 9ºC (48ºF) on average.

Explore more of Ireland

  • Cork is just one of the many cities in Ireland waiting to be discovered once you've taken in the sights of Dublin. Around 225 kilometres away to the south-west, top sights here include Blarney Castle, Fota Wildlife Park and Titanic Experience Cobh.

  • Around 10 kilometres south-west of Dublin, Tallaght is another essential stop in Ireland. Get a taste of what this destination has to offer at Church of the Incarnation, Fettercairn, 3 stuffed bears and Johnson & Perrott Fleet.

Plan the rest of your trip from Rennes to Dublin

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