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Cheap flights from Rennes to Ireland from €100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rennes to Ireland departing on 15/10. 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 Rennes to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:25 - 22:15RNS  Rennes St Jacques-DUB Dublin
7h 50m1 stop London Gatwick
Multiple Airlines Logo
20:00 - 08:05DUB  Dublin-RNS Rennes St Jacques
11h 05m1 stop Marseille
€146Multiple Airlines
Wed, 16 Sep - Wed, 30 Sep
Multiple Airlines Logo
15:25 - 22:15RNS  Rennes St Jacques-DUB Dublin
7h 50m1 stop London Gatwick
Multiple Airlines Logo
20:00 - 08:05DUB  Dublin-RNS Rennes St Jacques
11h 05m1 stop Marseille
€149Multiple Airlines
Wed, 16 Sep - Wed, 30 Sep
Multiple Airlines Logo
15:25 - 22:15RNS  Rennes St Jacques-DUB Dublin
7h 50m1 stop London Gatwick
Multiple Airlines Logo
20:00 - 08:05DUB  Dublin-RNS Rennes St Jacques
11h 05m1 stop Marseille
€151Multiple Airlines
Wed, 16 Sep - Wed, 30 Sep
Multiple Airlines Logo
15:25 - 22:15RNS  Rennes St Jacques-DUB Dublin
7h 50m1 stop London Gatwick
Multiple Airlines Logo
20:00 - 08:05DUB  Dublin-RNS Rennes St Jacques
11h 05m1 stop Marseille
€152Multiple Airlines
Wed, 16 Sep - Wed, 30 Sep
Multiple Airlines Logo
17:10 - 22:50RNS  Rennes St Jacques-DUB Dublin
6h 40m1 stop London Gatwick
Multiple Airlines Logo
06:45 - 15:40DUB  Dublin-RNS Rennes St Jacques
7h 55m1 stop London Gatwick
€159Multiple Airlines
Fri, 25 Sep - Sun, 27 Sep
Multiple Airlines Logo
15:25 - 00:05RNS  Rennes St Jacques-DUB Dublin
9h 40m1 stop London Gatwick
Multiple Airlines Logo
09:35 - 14:50DUB  Dublin-RNS Rennes St Jacques
4h 15m1 stop London Gatwick
€160Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
17:10 - 00:10RNS  Rennes St Jacques-DUB Dublin
8h 00m1 stop London Gatwick
Multiple Airlines Logo
06:05 - 17:25DUB  Dublin-RNS Rennes St Jacques
10h 20m1 stop Marseille
€166Multiple Airlines
Fri, 9 Oct - Tue, 13 Oct
Multiple Airlines Logo
17:10 - 22:50RNS  Rennes St Jacques-DUB Dublin
6h 40m1 stop London Gatwick
Multiple Airlines Logo
06:05 - 17:25DUB  Dublin-RNS Rennes St Jacques
10h 20m1 stop Marseille
€166Multiple Airlines
Fri, 9 Oct - Tue, 13 Oct
Multiple Airlines Logo
17:10 - 23:25RNS  Rennes St Jacques-DUB Dublin
7h 15m1 stop London Gatwick
Multiple Airlines Logo
06:25 - 15:25DUB  Dublin-RNS Rennes St Jacques
8h 00m1 stop London Gatwick
€167Multiple Airlines
Fri, 25 Sep - Mon, 28 Sep
Multiple Airlines Logo
08:35 - 10:35RNS  Rennes St Jacques-DUB Dublin
27h 00m2 stops Toulouse Blagnac Charleroi Brussels
Multiple Airlines Logo
06:45 - 15:40DUB  Dublin-RNS Rennes St Jacques
7h 55m1 stop London Gatwick
€170Multiple Airlines
Thu, 24 Sep - Sun, 27 Sep

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KLM flights from Rennes to Ireland

Our best KLM deals on Rennes to Ireland flight tickets
KLM
3 Oct
RNS17:20Rennes St Jacques
6h 05m
1 stop
DUB22:25Dublin
10 Oct
DUB05:55Dublin
9h 55m
1 stop
RNS16:50Rennes St Jacques
€216
KLM
3 Oct
RNS17:20Rennes St Jacques
6h 05m
1 stop
DUB22:25Dublin
10 Oct
DUB05:55Dublin
9h 55m
1 stop
RNS16:50Rennes St Jacques
€217
KLM
28 Aug
RNS18:05Rennes St Jacques
15h 15m
1 stop
DUB08:20Dublin
7 Sept
DUB11:10Dublin
25h 45m
1 stop
RNS13:55Rennes St Jacques
€217

Aer Lingus flights from Rennes to Ireland

Our best Aer Lingus deals on Rennes to Ireland flight tickets
Aer Lingus
15 Aug
RNS18:50Rennes St Jacques
1h 55m
DUB19:45Dublin
29 Aug
DUB15:10Dublin
2h 00m
RNS18:10Rennes St Jacques
€357
Aer Lingus
15 Aug
RNS18:50Rennes St Jacques
1h 55m
DUB19:45Dublin
22 Aug
DUB15:10Dublin
2h 00m
RNS18:10Rennes St Jacques
€370
Aer Lingus
15 Aug
RNS18:50Rennes St Jacques
1h 55m
DUB19:45Dublin
22 Aug
DUB15:10Dublin
2h 00m
RNS18:10Rennes St Jacques
€371

momondo Fare Finder

 
Customise your flight search to find flights from Rennes to Ireland 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 12 August 2026.
Use the filters below to find and compare flights from Rennes to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Wed 16/9

15:25-22:15

1 stop7h 50m

Dublin

Wed 30/9

20:00-08:05

1 stop11h 05m

€146

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Wed 16/9

15:25-22:15

1 stop7h 50m

Dublin

Wed 30/9

20:00-08:05

1 stop11h 05m

€149

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Wed 16/9

15:25-22:15

1 stop7h 50m

Dublin

Wed 30/9

20:00-08:05

1 stop11h 05m

€151

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Wed 16/9

15:25-22:15

1 stop7h 50m

Dublin

Wed 30/9

20:00-08:05

1 stop11h 05m

€152

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Fri 25/9

17:10-22:50

1 stop6h 40m

Dublin

Sun 27/9

06:45-15:40

1 stop7h 55m

€159
Fastest return journey

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Wed 9/9

15:25-00:05

1 stop9h 40m

Dublin

Wed 16/9

09:35-14:50

1 stop4h 15m

€160

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Fri 9/10

17:10-00:10

1 stop8h 00m

Dublin

Tue 13/10

06:05-17:25

1 stop10h 20m

€166

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Fri 9/10

17:10-22:50

1 stop6h 40m

Dublin

Tue 13/10

06:05-17:25

1 stop10h 20m

€166

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Fri 25/9

17:10-23:25

1 stop7h 15m

Dublin

Mon 28/9

06:25-15:25

1 stop8h 00m

€167

RennesDublin

RNS Rennes St Jacques - DUB Dublin

RNSDUB

Rennes St Jacques

Thu 24/9

08:35-10:35

2 stops27h 00m

Dublin

Sun 27/9

06:45-15:40

1 stop7h 55m

€170

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 Ireland from

How to get the cheapest flight ticket from Rennes to Ireland

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 month to fly to Ireland?

The month of September is another great option to travel to Ireland, with average flight prices from Rennes averaging around €146.

Can stopping save me money on Rennes to Ireland flights?

You could potentially save up to 53% on your flight if you consider stops on a Rennes to Ireland flight.

Cheap Rennes to Ireland flight deals and tips

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

Fastest flight time

1h 55m

Direct flights

Sun

Airports in Ireland

77 airports
The fastest flight from Rennes to Ireland takes 1h 55m
Direct flights go from Rennes to Ireland on Sunday. There are no airlines offering direct flights..
There are 77 airports in Ireland. From Rennes there are direct flights to Dublin (DUB).
Search flight deals

Frequently asked questions about flying from Rennes to Ireland

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Rennes St Jacques Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rennes to Ireland . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Ireland from Rennes on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Rennes and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Ireland from Rennes 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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