Cheap Flights from Dublin to Rennes from $363

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Flight deals from Dublin to Rennes

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Rennes Airport? If you want to travel next month, return fares start from $420. Find the lowest prices on one-way and return tickets right here.

Rennes.$363 per passenger.Departing Wed, 11 Nov, returning Wed, 18 Nov.Return flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Wed, 11 Nov, arriving in Rennes.Inbound indirect flight with KLM, departs from Rennes on Wed, 18 Nov, arriving in Dublin.Price includes taxes and charges.From $363, select.

Rennes.$379 per passenger.Departing Wed, 16 Dec, returning Sat, 19 Dec.Return flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Wed, 16 Dec, arriving in Rennes.Inbound indirect flight with KLM, departs from Rennes on Sat, 19 Dec, arriving in Dublin.Price includes taxes and charges.From $379, select.

Rennes.$381 per passenger.Departing Sat, 11 Jul, returning Wed, 12 Aug.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Dublin on Sat, 11 Jul, arriving in Rennes.Inbound indirect flight with easyJet, departs from Rennes on Wed, 12 Aug, arriving in Dublin.Price includes taxes and charges.From $381, select.

Rennes.$382 per passenger.Departing Thu, 8 Oct, returning Mon, 12 Oct.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Dublin on Thu, 8 Oct, arriving in Rennes.Inbound indirect flight with easyJet, departs from Rennes on Mon, 12 Oct, arriving in Dublin.Price includes taxes and charges.From $382, select.

Rennes.$412 per passenger.Departing Wed, 23 Sep, returning Wed, 30 Sep.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Dublin on Wed, 23 Sep, arriving in Rennes.Inbound indirect flight with easyJet, departs from Rennes on Wed, 30 Sep, arriving in Dublin.Price includes taxes and charges.From $412, select.

Rennes.$420 per passenger.Departing Thu, 23 Jul, returning Tue, 28 Jul.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Dublin on Thu, 23 Jul, arriving in Rennes.Inbound indirect flight with easyJet, departs from Rennes on Tue, 28 Jul, arriving in Dublin.Price includes taxes and charges.From $420, select.

Rennes.$423 per passenger.Departing Sun, 20 Sep, returning Tue, 6 Oct.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Dublin on Sun, 20 Sep, arriving in Rennes.Inbound indirect flight with KLM, departs from Rennes on Tue, 6 Oct, arriving in Dublin.Price includes taxes and charges.From $423, select.

Rennes.$424 per passenger.Departing Thu, 27 Aug, returning Mon, 7 Sep.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Dublin on Thu, 27 Aug, arriving in Rennes.Inbound indirect flight with easyJet, departs from Rennes on Mon, 7 Sep, arriving in Dublin.Price includes taxes and charges.From $424, select.

Rennes.$427 per passenger.Departing Mon, 2 Nov, returning Fri, 11 Dec.Return flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Mon, 2 Nov, arriving in Rennes.Inbound indirect flight with KLM, departs from Rennes on Fri, 11 Dec, arriving in Dublin.Price includes taxes and charges.From $427, select.

Rennes.$435 per passenger.Departing Thu, 8 Oct, returning Wed, 18 Nov.Return flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Thu, 8 Oct, arriving in Rennes.Inbound indirect flight with KLM, departs from Rennes on Wed, 18 Nov, arriving in Dublin.Price includes taxes and charges.From $435, select.

Rennes.$438 per passenger.Departing Thu, 20 Aug, returning Wed, 26 Aug.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Dublin on Thu, 20 Aug, arriving in Rennes.Inbound indirect flight with easyJet, departs from Rennes on Wed, 26 Aug, arriving in Dublin.Price includes taxes and charges.From $438, select.

Rennes.$450 per passenger.Departing Tue, 23 Jun, returning Tue, 30 Jun.Return flight with Air France.Outbound indirect flight with Air France, departs from Dublin on Tue, 23 Jun, arriving in Rennes.Inbound indirect flight with Air France, departs from Rennes on Tue, 30 Jun, arriving in Dublin.Price includes taxes and charges.From $450, select.

Rennes.$456 per passenger.Departing Tue, 30 Jun, returning Tue, 7 Jul.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Dublin on Tue, 30 Jun, arriving in Rennes.Inbound indirect flight with easyJet, departs from Rennes on Tue, 7 Jul, arriving in Dublin.Price includes taxes and charges.From $456, select.

Rennes.$480 per passenger.Departing Sat, 1 May, returning Sat, 8 May.Return flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Sat, 1 May, arriving in Rennes.Inbound indirect flight with KLM, departs from Rennes on Sat, 8 May, arriving in Dublin.Price includes taxes and charges.From $480, select.

Rennes.$488 per passenger.Departing Sat, 19 Dec, returning Sat, 2 Jan.Return flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Sat, 19 Dec, arriving in Rennes.Inbound indirect flight with KLM, departs from Rennes on Sat, 2 Jan, arriving in Dublin.Price includes taxes and charges.From $488, select.

Rennes.$544 per passenger.Departing Fri, 19 Feb, returning Sun, 21 Feb.Return flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Fri, 19 Feb, arriving in Rennes.Inbound indirect flight with KLM, departs from Rennes on Sun, 21 Feb, arriving in Dublin.Price includes taxes and charges.From $544, 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 November.

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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.

Rennes

7km from central Rennes

ClosestCheapest

from $363

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Dinard

61km from central Rennes

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Dublin to Rennes: Flight information

The things to know before you go.

Cheapest flight found	$363
Cheapest month to fly	November
Average flight time	2 hrs
Most popular airline	Aer Lingus
Average flights per week	2

Finding cheap flights from Dublin to Rennes: Frequently asked questions

How much are return flights from Dublin to Rennes?

The best price we found for a return flight from Dublin to Rennes is $363. 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.

How long does it take to fly from Dublin to Rennes?

2 hours is the average flight time from Dublin to Rennes.

Which airlines fly direct from Dublin to Rennes?

Aer Lingus and Emerald Airlines fly direct from Dublin to Rennes.

How many flights are there a week from Dublin to Rennes?

As of June 2026, there are 2 flights per week flying from Dublin to Rennes.

When is the cheapest time to fly from Dublin to Rennes?

The cheapest month to fly from Dublin to Rennes is usually November.

Which upcoming date is cheapest to fly from Dublin Airport to Rennes Airport on?

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, 11 November 2026.

Can I get a direct flight from Dublin Airport to Rennes Airport?

Yes – the average flight time is 2 hours.

How can I find the best flight deal to Rennes?

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.

When is the best time to book flights to Rennes?

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.

Which is the cheapest airline to fly from Dublin Airport to Rennes with?

Currently, KLM and Aer Lingus offer the cheapest flight tickets to Rennes.

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

Hop on 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.
Give yourself enough time to make your DUB to RNS flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.
You'll likely experience longer queues during popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.
Travelling to Rennes (and then exploring more of France!) is a snap with Aer Lingus. This popular carrier has direct flights from Dublin Airport to Rennes Airport.
Most travellers choose to fly with Aer Lingus on this route.
Think about adding a stopover when booking your ticket from Dublin Airport to Rennes Airport. Just uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Here's where you can stop between DUB and RNS:
- Amsterdam Schiphol Airport
- Frankfurt am Main Airport
- London Gatwick Airport

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

The cheapest price we've seen for a one-way Dublin Airport to Rennes Airport flight is $145. A round-trip fare is currently $363. Depending on the availability and when you book, these fares can change.
To pick up cheap tickets from DUB to RNS, book as early as you can. Airlines typically offer their best fares when flights are first released.
The 'Whole month' tool shows you the cheapest flights from Dublin Airport to Rennes Airport across the entire month. It's a great way to snap up a bargain if your dates aren't set in stone.
There's no need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll notify you as soon as there's a better deal on cheap flights from DUB to RNS.
Secure the ideal flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Dublin Airport to Rennes Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Dublin Airport (DUB)

77% of flights that leave from Dublin Airport touch down at their destination on schedule.
Central Dublin to Dublin Airport is approximately 11 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, ride-sharing or catching a taxi.
Catching public transport? Expect a trip time of around 30 minutes.
Get your holiday off to a leisurely start by staying near DUB. Whether you're boarding an early flight from Dublin Airport to Rennes Airport or just don't want to be rushed, these hotels have you covered:

Arriving at Rennes Airport (RNS)

Consider booking a hotel close to RNS if you're on a late Dublin Airport to Rennes Airport flight. Select one of these options and make your arrival easier:
Travel at your own pace with a Rennes Airport rental car. Book your wheels from Rentscape, Alamo or Enterprise and experience more of Rennes and beyond.
To lock in the lowest price, reserve your ride from Rennes Airport about one week ahead.

When to fly to Rennes Airport (RNS)

It's time to plan your dates for your flight from Dublin Airport to Rennes Airport. September is the most popular month to head to Rennes. If you like a quieter vibe, go in March.
The warmest month in Rennes is August, with temperatures ranging between 11ºC and 28ºC. Lock in your flights from Dublin Airport to Rennes Airport in this month if this is the type of weather you enjoy.
January has average temperatures of between 0ºC and 10ºC. Search for cheap tickets from DUB to RNS around that time if you want to travel in cooler conditions.

Explore more of France

You've visited Rennes, now it's time to discover other corners of France. Journey about 306 kilometres east to Paris to check off its leading sights. From Eiffel Tower to Louvre Museum and Seine River, you'll have a full itinerary ahead.
Nantes is another well-known destination in France and is around 97 kilometres south of Rennes. No trip is complete without dropping by Machines of the Isle Nantes, Chateau des Ducs de Bretagne and Basilique Saint Nicolas.