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Cheap flights from Ireland to Rennes from €76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Rennes departing on 17/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ireland to Rennes

Recent return flight deals from Ireland to Rennes

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:25 - 15:25DUB  Dublin-RNS Rennes St Jacques
8h 00m1 stop London Gatwick
Multiple Airlines Logo
12:05 - 18:50RNS  Rennes St Jacques-DUB Dublin
7h 45m1 stop Toulouse Blagnac
€159Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
06:25 - 15:25DUB  Dublin-RNS Rennes St Jacques
8h 00m1 stop London Gatwick
Multiple Airlines Logo
12:05 - 18:50RNS  Rennes St Jacques-DUB Dublin
7h 45m1 stop Toulouse Blagnac
€159Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
06:25 - 15:25DUB  Dublin-RNS Rennes St Jacques
8h 00m1 stop London Gatwick
Multiple Airlines Logo
12:05 - 18:50RNS  Rennes St Jacques-DUB Dublin
7h 45m1 stop Toulouse Blagnac
€163Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
06:25 - 15:25DUB  Dublin-RNS Rennes St Jacques
8h 00m1 stop London Gatwick
Multiple Airlines Logo
12:05 - 18:50RNS  Rennes St Jacques-DUB Dublin
7h 45m1 stop Toulouse Blagnac
€166Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
06:50 - 14:50DUB  Dublin-RNS Rennes St Jacques
7h 00m1 stop London Gatwick
Multiple Airlines Logo
18:00 - 00:55RNS  Rennes St Jacques-DUB Dublin
7h 55m1 stop Marseille
€172Multiple Airlines
Wed, 21 Oct - Tue, 27 Oct
Multiple Airlines Logo
06:50 - 14:50DUB  Dublin-RNS Rennes St Jacques
7h 00m1 stop London Gatwick
Multiple Airlines Logo
15:25 - 19:00RNS  Rennes St Jacques-DUB Dublin
4h 35m1 stop London Gatwick
€174Multiple Airlines
Wed, 2 Sep - Wed, 9 Sep
Multiple Airlines Logo
06:25 - 15:25DUB  Dublin-RNS Rennes St Jacques
8h 00m1 stop London Gatwick
Multiple Airlines Logo
12:05 - 10:35RNS  Rennes St Jacques-DUB Dublin
23h 30m2 stops Toulouse Blagnac Charleroi Brussels
€175Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
06:25 - 15:25DUB  Dublin-RNS Rennes St Jacques
8h 00m1 stop London Gatwick
Multiple Airlines Logo
12:05 - 10:35RNS  Rennes St Jacques-DUB Dublin
23h 30m2 stops Toulouse Blagnac Charleroi Brussels
€178Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
06:25 - 15:25DUB  Dublin-RNS Rennes St Jacques
8h 00m1 stop London Gatwick
Multiple Airlines Logo
12:05 - 10:35RNS  Rennes St Jacques-DUB Dublin
23h 30m2 stops Toulouse Blagnac Charleroi Brussels
€185Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
19:30 - 11:35DUB  Dublin-RNS Rennes St Jacques
15h 05m2 stops Palma de Mallorca Son Sant Joan Toulouse Blagnac
Multiple Airlines Logo
18:00 - 00:55RNS  Rennes St Jacques-DUB Dublin
7h 55m1 stop Marseille
€185Multiple Airlines
Wed, 21 Oct - Tue, 27 Oct

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KLM flights from Ireland to Rennes

Our best KLM deals on Ireland to Rennes flight tickets
KLM
5 Sept
DUB11:10Dublin
4h 40m
1 stop
RNS16:50Rennes St Jacques
11 Sept
RNS14:25Rennes St Jacques
9h 00m
1 stop
DUB22:25Dublin
€247
KLM
22 Aug
DUB05:55Dublin
10h 40m
1 stop
RNS17:35Rennes St Jacques
29 Aug
RNS18:05Rennes St Jacques
15h 15m
1 stop
DUB08:20Dublin
€257
KLM
29 Aug
DUB08:55Dublin
48h 25m
2 stops
RNS10:20Rennes St Jacques
5 Sept
RNS17:20Rennes St Jacques
16h 00m
1 stop
DUB08:20Dublin
€258

Air France flights from Ireland to Rennes

Our best Air France deals on Ireland to Rennes flight tickets
Air France
1 Sept
DUB19:15Dublin
14h 05m
1 stop
RNS10:20Rennes St Jacques
8 Sept
RNS11:05Rennes St Jacques
8h 20m
1 stop
DUB18:25Dublin
€235
Air France
1 Sept
DUB19:15Dublin
14h 05m
1 stop
RNS10:20Rennes St Jacques
8 Sept
RNS11:05Rennes St Jacques
22h 10m
1 stop
DUB08:15Dublin
€237
Air France
5 Sept
DUB09:15Dublin
24h 05m
1 stop
RNS10:20Rennes St Jacques
12 Sept
RNS11:05Rennes St Jacques
22h 10m
1 stop
DUB08:15Dublin
€239

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Rennes that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 7 August 2026.
Use the filters below to find and compare flights from Ireland to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Mon 14/9

06:25-15:25

1 stop8h 00m

Rennes St Jacques

Thu 17/9

12:05-18:50

1 stop7h 45m

€159

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Mon 14/9

06:25-15:25

1 stop8h 00m

Rennes St Jacques

Thu 17/9

12:05-18:50

1 stop7h 45m

€159

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Mon 14/9

06:25-15:25

1 stop8h 00m

Rennes St Jacques

Thu 17/9

12:05-18:50

1 stop7h 45m

€163

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Mon 14/9

06:25-15:25

1 stop8h 00m

Rennes St Jacques

Thu 17/9

12:05-18:50

1 stop7h 45m

€166

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Wed 21/10

06:50-14:50

1 stop7h 00m

Rennes St Jacques

Tue 27/10

18:00-00:55

1 stop7h 55m

€172
Fastest return journey

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Wed 2/9

06:50-14:50

1 stop7h 00m

Rennes St Jacques

Wed 9/9

15:25-19:00

1 stop4h 35m

€174

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Mon 14/9

06:25-15:25

1 stop8h 00m

Rennes St Jacques

Thu 17/9

12:05-10:35

2 stops23h 30m

€175

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Mon 14/9

06:25-15:25

1 stop8h 00m

Rennes St Jacques

Thu 17/9

12:05-10:35

2 stops23h 30m

€178

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Mon 14/9

06:25-15:25

1 stop8h 00m

Rennes St Jacques

Thu 17/9

12:05-10:35

2 stops23h 30m

€185

DublinRennes

DUB Dublin - RNS Rennes St Jacques

DUBRNS

Dublin

Wed 21/10

19:30-11:35

2 stops15h 05m

Rennes St Jacques

Tue 27/10

18:00-00:55

1 stop7h 55m

€185

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rennes from

How to get the cheapest flight ticket from Ireland to Rennes

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest Ireland to Rennes St Jacques flight route?

Fly from Dublin to Rennes St Jacques for the best Ireland - Rennes St Jacques flight prices

What cabin class options are available on Ireland to Rennes flights?

There is only 1 cabin class available to choose from on Ireland to Rennes flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to Rennes flights?

You could potentially save up to 25% on your flight if you consider stops on a Ireland to Rennes flight.

Cheap Ireland to Rennes flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Rennes

Fastest flight time

2h 00m

Direct flights

Sun

Airports in Rennes

1 airport
The fastest flight from Ireland to Rennes takes 2h 00m
Direct flights go from Ireland to Rennes on Sunday. There are no airlines offering direct flights..
There is 1 airport in Rennes. From Ireland there are direct flights to Rennes St Jacques (RNS).
Search flight deals

Frequently asked questions about flying from Ireland to Rennes

  • When did momondo last update prices for flights from Ireland to Rennes St Jacques Airport?

    Prices for flights from Ireland to Rennes St Jacques Airport are updated daily.

  • How old do you have to be to fly from Ireland to Rennes St Jacques Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Rennes St Jacques Airport.

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The travel and health documents you'll need for your trip to Rennes St Jacques Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Rennes St Jacques Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ireland to Rennes?

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Rennes?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rennes from Ireland.

Can I find flights from Ireland to Rennes with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ireland to Rennes flights to just show those with flexible booking policies.

How can momondo help me find flights from Ireland to Rennes?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Rennes.

I’m not ready to book a flight from Ireland to Rennes right now. Can momondo alert me if prices change?

Price alerts on flights to Rennes from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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