C$296 Cheap Flights from Dublin (DUB) to Rennes (RNS)

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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 C$331. Find the lowest prices on one-way and return tickets right here.

Rennes.C$112 per passenger.Departing Sat., Aug. 29.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Sat., Aug. 29, arriving in Rennes.Price includes taxes and charges.From C$112, select.

Rennes.C$120 per passenger.Departing Wed., Sep. 9.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Wed., Sep. 9, arriving in Rennes.Price includes taxes and charges.From C$120, select.

Rennes.C$125 per passenger.Departing Thu., Oct. 15.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Thu., Oct. 15, arriving in Rennes.Price includes taxes and charges.From C$125, select.

Rennes.C$131 per passenger.Departing Tue., Jul. 14.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Tue., Jul. 14, arriving in Rennes.Price includes taxes and charges.From C$131, select.

Rennes.C$137 per passenger.Departing Thu., Dec. 31.One-way flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Thu., Dec. 31, arriving in Rennes.Price includes taxes and charges.From C$137, select.

Rennes.C$137 per passenger.Departing Sat., Nov. 7.One-way flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Sat., Nov. 7, arriving in Rennes.Price includes taxes and charges.From C$137, select.

Rennes.C$161 per passenger.Departing Tue., Jun. 30.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Tue., Jun. 30, arriving in Rennes.Price includes taxes and charges.From C$161, select.

Rennes.C$215 per passenger.Departing Fri., Jan. 1.One-way flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Fri., Jan. 1, arriving in Rennes.Price includes taxes and charges.From C$215, select.

Rennes.C$216 per passenger.Departing Sat., Jul. 4.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sat., Jul. 4, arriving in Rennes.Price includes taxes and charges.From C$216, select.

Rennes.C$217 per passenger.Departing Sat., Aug. 22.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sat., Aug. 22, arriving in Rennes.Price includes taxes and charges.From C$217, select.

Rennes.C$226 per passenger.Departing Sat., May 1.One-way flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Sat., May 1, arriving in Rennes.Price includes taxes and charges.From C$226, select.

Rennes.C$228 per passenger.Departing Sat., Jun. 20.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sat., Jun. 20, arriving in Rennes.Price includes taxes and charges.From C$228, 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 August.

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Which airlines fly 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 C$112

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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	C$112
Cheapest month to fly	August
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 C$296. 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, November 11, 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.

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

The average time for a direct flight from Dublin Airport to Rennes Airport is 1 hour 58 minutes. Rennes's timezone is UTC+1, which makes Rennes 1 hour ahead of Dublin.
Choose from 2 weekly flights from Dublin Airport to Rennes Airport. The 12:15 departure with Aer Lingus is the earliest flight available from DUB to RNS. Aer Lingus operates the last service of the day at 20:40 if early mornings aren't your thing.
Traveling over a peak time such as August? School holidays and other high seasons can mean longer lines at checkpoints. Play it safe and arrive up to four hours before an international flight and two hours before domestic departures.
Aer Lingus runs direct flights from Dublin Airport to Rennes Airport. Book with this popular carrier, then get ready to check out the sights in Rennes — plus maybe even more of France if your schedule allows.
If you want a stopover for your flight from Dublin Airport to Rennes Airport, simply uncheck 'Direct flights only' and explore your options. Here are the most popular stopovers between DUB and RNS:
- London Gatwick Airport
- Amsterdam Airport Schiphol
- Frankfurt Airport
Don't forget, you may need a visa to enter France. Visa requirements can differ and travel documentation requirements often change. Before reserving your cheap ticket from DUB to RNS, be sure to check with your carrier and your destination country's local consulate or embassy for current information.

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

C$112 is currently the lowest price for a one-way ticket from Dublin Airport to Rennes Airport. A return flight starts at C$296. These fares may change depending on demand.
Get cheap flight tickets from DUB to RNS by booking at least 2 months ahead. According to our research, that's the sweet spot for finding a bargain.
Organize your trip for October. That's the cheapest month for flight tickets from Dublin Airport to Rennes Airport. If your travel dates are flexible, use the 'Whole month' tool to see the cheapest price across every month.
Finding a cheap ticket from DUB to RNS couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as the price has dropped.
Tailor your flights using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Dublin Airport to Rennes Airport.

Handy information about Dublin Airport (DUB)

Located around 21 kilometres from central Dublin, Dublin Airport can be reached in approximately 29 minutes by car (depending on traffic). The ride on public transport is roughly 2 hours and 9 minutes.
Want a hassle-free start to your vacation? Stay near DUB. Whether you're taking an early flight from Dublin Airport to Rennes Airport or want to avoid feeling rushed, these hotels are perfect:

Arriving at Rennes Airport (RNS)

The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from Dublin Airport to Rennes Airport. Check in to one of these accommodation options near RNS instead:

Getting from Rennes Airport (RNS) to central Rennes

Rennes Airport to the center of Rennes is about 22 minutes by car. It's approximately 11 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing.
It takes around 48 minutes if you're traveling by public transport.

When to fly to Rennes Airport (RNS)

July is the most popular month for flights from Dublin Airport to Rennes Airport. To escape the crowds, travel to Rennes in February.
The warmest month in Rennes is July, with temperatures ranging between 11ºC and 28ºC. Book your flights from Dublin Airport to Rennes Airport in this month if you enjoy this type of weather.
If you'd rather travel in cooler conditions, search for a cheap ticket from DUB to RNS in January. Temperatures average between 0ºC and 10ºC then.

More about Rennes

Start your Rennes trip right by finding a fantastic place to stay. As soon as you've booked your flight from DUB to RNS, browse our range of hotel options including:
There are so many things to do and see in this city it can be hard to work out where to begin. Les Champs Libres, Microbrasserie RZN City Ales and EcoMuseum du pays de Rennes are major attractions which should feature on any good Rennes itinerary.

Complete your Rennes trip with hotels and a car rental

Once you've secured your cheap ticket to Rennes Airport, browse the lowest prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one go to find the best car rental price for your Rennes getaway.