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Cheap flights from Rennes to Dublin from €99

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 Dublin departing on 6/9. 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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0 bags
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Find the cheapest flights from Rennes to Dublin (RNS-DUB)

Cheap return flights

Aer Lingus Logo
18:50 - 19:45RNS-DUB
1h 55mdirect
Aer Lingus Logo
15:10 - 18:10DUB-RNS
2h 00mdirect
€116Aer Lingus
Find Deal
Sat, 20 Sep - Sat, 27 Sep
Logo
18:50 - 19:45RNS-DUB
1h 55mdirect
Logo
07:40 - 15:40DUB-RNS
7h 00m1 stop
€133
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Sat, 27 Sep - Sun, 28 Sep
Logo
15:30 - 16:15RNS-DUB
1h 45mdirect
Logo
06:30 - 15:40DUB-RNS
8h 10m1 stop
€139
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Wed, 24 Sep - Sun, 28 Sep
Logo
15:30 - 16:15RNS-DUB
1h 45mdirect
Logo
16:35 - 15:40DUB-RNS
22h 05m1 stop
€141
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Wed, 24 Sep - Sat, 4 Oct
Logo
17:35 - 07:15RNS-DUB
14h 40m1 stop
Logo
07:05 - 15:40DUB-RNS
7h 35m1 stop
€143
Find Deal
Wed, 10 Sep - Sun, 14 Sep
Logo
15:30 - 16:15RNS-DUB
1h 45mdirect
Logo
21:25 - 10:00DUB-RNS
11h 35m1 stop
€146
Find Deal
Wed, 24 Sep - Tue, 30 Sep
Logo
17:35 - 07:15RNS-DUB
14h 40m1 stop
Logo
12:00 - 14:50DUB-RNS
1h 50mdirect
€150
Find Deal
Wed, 10 Sep - Wed, 17 Sep
Logo
18:50 - 19:45RNS-DUB
1h 55mdirect
Logo
11:10 - 16:20DUB-RNS
4h 10m1 stop
€151
Find Deal
Sat, 20 Sep - Sat, 27 Sep
Aer Lingus Logo
15:30 - 16:15RNS-DUB
1h 45mdirect
Aer Lingus Logo
15:10 - 18:10DUB-RNS
2h 00mdirect
€162Aer Lingus
Find Deal
Wed, 17 Sep - Sat, 20 Sep
Air France Logo
11:45 - 15:00RNS-DUB
4h 15m1 stop
Air France Logo
06:00 - 21:50DUB-RNS
14h 50m2 stops
€214Air France
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Fri, 5 Sep - Wed, 10 Sep

Aer Lingus flights from Rennes to Dublin

Our best Aer Lingus deals on Rennes to Dublin flight tickets
Aer Lingus
20 Sept
RNS18:50Rennes St Jacques
1h 55m
DUB19:45Dublin
27 Sept
DUB15:10Dublin
2h 00m
RNS18:10Rennes St Jacques
€116
Find similar
Aer Lingus
17 Sept
RNS15:30Rennes St Jacques
1h 45m
DUB16:15Dublin
20 Sept
DUB15:10Dublin
2h 00m
RNS18:10Rennes St Jacques
€162
Find similar
Aer Lingus
10 Sept
RNS15:30Rennes St Jacques
1h 45m
DUB16:15Dublin
17 Sept
DUB12:00Dublin
1h 50m
RNS14:50Rennes St Jacques
€170
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KLM flights from Rennes to Dublin

Our best KLM deals on Rennes to Dublin flight tickets
KLM
29 Aug
RNS16:35Rennes St Jacques
4h 40m
1 stop
DUB20:15Dublin
13 Sept
DUB11:10Dublin
4h 10m
1 stop
RNS16:20Rennes St Jacques
€355
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KLM
5 Sept
RNS11:45Rennes St Jacques
9h 30m
2 stops
DUB20:15Dublin
8 Sept
DUB05:55Dublin
9h 05m
1 stop
RNS16:00Rennes St Jacques
€363
Find similar
KLM
29 Aug
RNS11:45Rennes St Jacques
9h 30m
2 stops
DUB20:15Dublin
13 Sept
DUB05:55Dublin
9h 25m
1 stop
RNS16:20Rennes St Jacques
€372
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Rennes to Dublin 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 26 August 2025.
Use the filters below to find and compare flights from Rennes to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Sat 20/9

18:50-19:45

Nonstop1h 55m

Dublin

Sat 27/9

15:10-18:10

Nonstop2h 00m

€116

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Sat 27/9

18:50-19:45

Nonstop1h 55m

Dublin

Sun 28/9

07:40-15:40

1 stop7h 00m

€133

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 24/9

15:30-16:15

Nonstop1h 45m

Dublin

Sun 28/9

06:30-15:40

1 stop8h 10m

€139

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 24/9

15:30-16:15

Nonstop1h 45m

Dublin

Sat 4/10

16:35-15:40

1 stop22h 05m

€141

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 10/9

17:35-07:15

1 stop14h 40m

Dublin

Sun 14/9

07:05-15:40

1 stop7h 35m

€143

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 24/9

15:30-16:15

Nonstop1h 45m

Dublin

Tue 30/9

21:25-10:00

1 stop11h 35m

€146

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 10/9

17:35-07:15

1 stop14h 40m

Dublin

Wed 17/9

12:00-14:50

Nonstop1h 50m

€150

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Sat 20/9

18:50-19:45

Nonstop1h 55m

Dublin

Sat 27/9

11:10-16:20

1 stop4h 10m

€151

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Wed 17/9

15:30-16:15

Nonstop1h 45m

Dublin

Sat 20/9

15:10-18:10

Nonstop2h 00m

€162

RennesDublin

RNS - DUB

RNSDUB

Rennes St Jacques

Fri 5/9

11:45-15:00

1 stop4h 15m

Dublin

Wed 10/9

06:00-21:50

2 stops14h 50m

€214

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from Rennes to Dublin

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 Dublin?

If you aren’t able to travel during the month of September, then book flights to Dublin from Rennes during October instead. Flights to Dublin in October, while not as cheap as those in September, still average around €139.

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

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

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

You are more likely to see cheaper flights to Dublin from Rennes when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €219 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Rennes for as low as €154 on momondo.

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

There are 1 cabin classes available to choose from on Rennes St Jacques to Dublin 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 Dublin flights?

You could potentially save up to 15% on your flight if you consider stops on a Rennes to Dublin flight.

When to book flights from Rennes to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Rennes to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Rennes to Dublin (RNS to DUB) flight deals and tips

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

Best price found

€177

Fastest flight time

1h 45m

Direct flights

Thu and Sun

Airports in Dublin

1 airport
The best flight deal from Rennes to Dublin found on momondo in the last 72 hours is €177
The fastest flight from Rennes to Dublin takes 1h 45m
Direct flights go from Rennes to Dublin on Thursday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • How far is Rennes St Jacques to Dublin by plane?

    There are 664.6 km between Rennes St Jacques and Dublin. In terms of flight time, this usually takes a little over 1h 45m.

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

    Prices for flights from Rennes St Jacques Airport to Dublin Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Rennes St Jacques Airport to Dublin 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 Rennes St Jacques Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Swords
Cavan
Dundalk
Enniscorthy
Tullamore
Kildare
Naas
Mullingar
Maynooth
Arklow
Bray
Drogheda
Gorey
Malahide
Carlingford
Portmarnock
Leixlip

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rennes to Dublin for you.

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

Yes. All flights to Dublin 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 Dublin?

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 Rennes to Dublin.

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

If you are not ready to book a flight from Rennes to Dublin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dublin and let you know when they change.

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