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Cheap flights from Rennes to Ireland from €91

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 13/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Rennes to Ireland

Cheap return flights

Aer Lingus Logo
15:30 - 16:15RNS-DUB
1h 45mdirect
Aer Lingus Logo
15:10 - 18:10DUB-RNS
2h 00mdirect
€118Aer Lingus
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Wed, 24 Sep - Sat, 27 Sep
Aer Lingus Logo
15:30 - 16:15RNS-DUB
1h 45mdirect
Aer Lingus Logo
15:10 - 18:10DUB-RNS
2h 00mdirect
€118Aer Lingus
Find Deal
Wed, 24 Sep - Sat, 27 Sep
Logo
13:30 - 20:45RNS-DUB
8h 15m1 stop
Logo
07:40 - 15:40DUB-RNS
7h 00m1 stop
€135
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Sat, 11 Oct - Sun, 12 Oct
Logo
16:20 - 22:40RNS-DUB
7h 20m1 stop
Logo
07:05 - 15:40DUB-RNS
7h 35m1 stop
€138
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Logo
10:40 - 14:50RNS-DUB
5h 10m1 stop
Logo
15:10 - 18:10DUB-RNS
2h 00mdirect
€143
Find Deal
Wed, 24 Sep - Sat, 27 Sep
Logo
17:40 - 23:25RNS-DUB
6h 45m1 stop
Logo
07:05 - 15:40DUB-RNS
7h 35m1 stop
€153
Find Deal
Fri, 26 Sep - Sun, 28 Sep
Logo
10:40 - 14:50RNS-DUB
5h 10m1 stop
Logo
06:50 - 15:40DUB-RNS
7h 50m1 stop
€154
Find Deal
Wed, 1 Oct - Wed, 8 Oct
Air France Logo
14:25 - 22:40RNS-DUB
9h 15m2 stops
Air France Logo
06:00 - 15:35DUB-RNS
8h 35m1 stop
€215Air France
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Thu, 25 Sep - Sun, 28 Sep
KLM Logo
17:30 - 23:25RNS-ORK
6h 55m1 stop
KLM Logo
11:15 - 17:05ORK-RNS
4h 50m1 stop
€220KLM
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Mon, 10 Nov - Thu, 20 Nov
KLM Logo
17:35 - 23:25RNS-ORK
6h 50m1 stop
KLM Logo
06:00 - 17:00ORK-RNS
10h 00m1 stop
€249KLM
Find Deal
Sat, 8 Nov - Sun, 16 Nov

Aer Lingus flights from Rennes to Ireland

Our best Aer Lingus deals on Rennes to Ireland flight tickets
Aer Lingus
24 Sept
RNS15:30Rennes St Jacques
1h 45m
DUB16:15Dublin
27 Sept
DUB15:10Dublin
2h 00m
RNS18:10Rennes St Jacques
€118
Find similar
Aer Lingus
24 Sept
RNS15:30Rennes St Jacques
1h 45m
DUB16:15Dublin
27 Sept
DUB15:10Dublin
2h 00m
RNS18:10Rennes St Jacques
€118
Find similar

KLM flights from Rennes to Ireland

Our best KLM deals on Rennes to Ireland flight tickets
KLM
10 Nov
RNS17:30Rennes St Jacques
6h 55m
1 stop
ORK23:25Cork
20 Nov
ORK11:15Cork
4h 50m
1 stop
RNS17:05Rennes St Jacques
€220
Find similar
KLM
8 Nov
RNS17:35Rennes St Jacques
6h 50m
1 stop
ORK23:25Cork
16 Nov
ORK06:00Cork
10h 00m
1 stop
RNS17:00Rennes St Jacques
€249
Find similar
KLM
28 Oct
RNS17:35Rennes St Jacques
6h 50m
1 stop
ORK23:25Cork
4 Nov
ORK11:15Cork
4h 50m
1 stop
RNS17:05Rennes St Jacques
€291
Find similar

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 14 September 2025.
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

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 24/9

15:30-16:15

Nonstop1h 45m

Dublin

Sat 27/9

15:10-18:10

Nonstop2h 00m

€118

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 24/9

15:30-16:15

Nonstop1h 45m

Dublin

Sat 27/9

15:10-18:10

Nonstop2h 00m

€118

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Sat 11/10

13:30-20:45

1 stop8h 15m

Dublin

Sun 12/10

07:40-15:40

1 stop7h 00m

€135

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Sun 12/10

16:20-22:40

1 stop7h 20m

Dublin

Sun 19/10

07:05-15:40

1 stop7h 35m

€138

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 24/9

10:40-14:50

1 stop5h 10m

Dublin

Sat 27/9

15:10-18:10

Nonstop2h 00m

€143

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Fri 26/9

17:40-23:25

1 stop6h 45m

Dublin

Sun 28/9

07:05-15:40

1 stop7h 35m

€153

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 1/10

10:40-14:50

1 stop5h 10m

Dublin

Wed 8/10

06:50-15:40

1 stop7h 50m

€154

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Thu 25/9

14:25-22:40

2 stops9h 15m

Dublin

Sun 28/9

06:00-15:35

1 stop8h 35m

€215

RennesCork

RNS - ORK

RNSORK

Rennes St Jacques

Mon 10/11

17:30-23:25

1 stop6h 55m

Cork

Thu 20/11

11:15-17:05

1 stop4h 50m

€220

RennesCork

RNS - ORK

RNSORK

Rennes St Jacques

Sat 8/11

17:35-23:25

1 stop6h 50m

Cork

Sun 16/11

06:00-17:00

1 stop10h 00m

€249

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 October is another great option to travel to Ireland, with average flight prices from Rennes averaging around €138.

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

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

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Rennes when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €218 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Rennes for as low as €153 on momondo.

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

There is only 1 cabin class available to choose from on Rennes St Jacques to Ireland 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 Rennes to Ireland flights?

You could potentially save up to 15% 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

Best price found

€176

Fastest flight time

1h 45m

Direct flights

Thu

Airports in Ireland

1 airport
The best flight deal from Rennes to Ireland found on momondo in the last 72 hours is €176
The fastest flight from Rennes to Ireland takes 1h 45m
Direct flights go from Rennes to Ireland on Thursday. There are no airlines offering direct flights..
There is 1 airport near Ireland: Dublin (DUB)
Search flight deals

  • 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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