C$141 Cheap Flights from Rennes (RNS) to Dublin (DUB)

Compare Rennes to Dublin flight deals

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

Book the best Dublin fare with no extra fees

Flight deals from Rennes to Dublin

Looking for a cheap last-minute deal or the best return flight from Rennes Airport to Dublin Airport? If you want to travel next month, return fares start from C$310. Find the lowest prices on one-way and return tickets right here.

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 July.

Which airlines fly 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 foundC$141
Cheapest month to flyJuly
Average flight time1 hr, 55 mins
Most popular airlineAer Lingus
Average flights per week2

Finding cheap flights from Rennes to Dublin: Frequently asked questions

The best price we found for a return flight from Rennes to Dublin is C$268. 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 55 minutes is the average flight time from Rennes to Dublin.
Aer Lingus and Emerald Airlines fly direct from Rennes to Dublin.
As of June 2026, there are 2 flights per week flying from Rennes to Dublin.
The cheapest month to fly from Rennes to Dublin is usually August.
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, August 12, 2026.
Yes – the average flight time is 1 hour and 55 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, easyJet and Aer Lingus offer the cheapest flight tickets to Dublin.

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

  • A direct flight from Rennes Airport to Dublin Airport takes an average of 1 hour 53 minutes. The timezone in Dublin is UTC+0, making it 1 hour behind Rennes.

  • Each week, there are 2 flights from Rennes Airport to Dublin Airport. To jet off early, opt for the 12:15 Aer Lingus flight. If you're keen to make the most of your day before flying, the last flight from RNS to DUB is 20:40 with Aer Lingus.

  • During popular months such as July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during a peak period in general.

  • Aer Lingus is your gateway to discovering Dublin (and maybe even some other exciting parts of Ireland!). Look through the direct flights from Rennes Airport to Dublin Airport offered by this popular carrier.

  • We make it easy to book a flight with a stopover. To see all the options for flights from Rennes Airport to Dublin Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to explore your chosen city. Popular stopovers between RNS and DUB include:

    • Amsterdam Airport Schiphol

    • Charles de Gaulle Airport

    • London Gatwick Airport

  • Remember, you might need a visa to enter Ireland. Visa regulations vary and travel documentation requirements are constantly changing. Before locking in your cheap ticket from RNS to DUB, be sure to check with your airline and your destination country's local embassy or consulate for the latest information.

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

  • C$141 is the lowest price for a one-way ticket from Rennes Airport to Dublin Airport. A return flight starts at C$268. These prices can change based on availability.

  • It's usually best to book in advance if you want to find cheap flight tickets from RNS to DUB. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • The cheapest month for flight tickets from Rennes Airport to Dublin Airport is August. Use the 'Whole month' tool to see the lowest prices if you have flexible travel dates.

  • Create a Price Alert for cheap flight tickets from RNS to DUB. You don't need to check every day to see whether airfares have fallen. We'll let you know as soon as the price changes.

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

Handy information about Rennes Airport (RNS)

  • Traveling from central Rennes to Rennes Airport takes around 48 minutes by public transport. If you ride-share, drive or hail a cab, you'll cover the 11 kilometres in 22 minutes or so, depending on traffic.

  • Want a convenient hotel close to RNS? If you're catching an early flight from Rennes Airport to Dublin Airport, these stays will have you moments from your check-in counter:

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 29 minutes to get to the center driving.

  • Getting to the center by public transport typically takes 2 hours and 9 minutes.

When to fly to Dublin Airport (DUB)

  • The quietest month for a flight from Rennes Airport to Dublin Airport is February, while August is the busiest. Pick the ideal time to go to Dublin based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Dublin is July, with the temperature ranging between 10ºC and 20ºC. Lock in your flights from Rennes Airport to Dublin Airport in this month if this is the kind of weather you like.

  • Look for cheap flight tickets from RNS to DUB in January if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between 1ºC and 9ºC on average.

More about Dublin

  • Once you've locked in your flights from RNS to DUB, you'll need to find a place to stay in Dublin. Make one of these accommodation options your base for exploring this exciting city:

  • There are so many things to discover in this city it can be tricky to know where to begin. Guinness Storehouse, Trinity College Library and Dublin Castle are popular attractions which should feature on any well-planned Dublin itinerary.

Complete your Dublin trip with hotels and a car rental

  • You've booked a cheap ticket to Dublin Airport — now it's time to find somewhere to stay, and perhaps even a set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in Dublin.

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