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Cheap flights from Ireland to Rennes from €75

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 20/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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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
20:25 - 09:30
DUB
-
RNS
12h 05m
1 stop
Multiple Airlines Logo
10:00 - 23:25
RNS
-
DUB
14h 25m
1 stop
€169Multiple Airlines
Sat, 15 Aug - Sun, 23 Aug
Multiple Airlines Logo
21:45 - 09:30
DUB
-
RNS
10h 45m
1 stop
Multiple Airlines Logo
10:40 - 14:50
RNS
-
DUB
5h 10m
1 stop
€171Multiple Airlines
Sat, 25 Jul - Wed, 29 Jul
Multiple Airlines Logo
20:25 - 09:30
DUB
-
RNS
12h 05m
1 stop
Multiple Airlines Logo
10:00 - 23:25
RNS
-
DUB
14h 25m
1 stop
€185Multiple Airlines
Sat, 15 Aug - Sun, 23 Aug
Multiple Airlines Logo
20:25 - 09:30
DUB
-
RNS
12h 05m
1 stop
Multiple Airlines Logo
10:00 - 10:05
RNS
-
DUB
25h 05m
2 stops
€201Multiple Airlines
Sat, 15 Aug - Sun, 23 Aug
Multiple Airlines Logo
20:25 - 09:30
DUB
-
RNS
12h 05m
1 stop
Multiple Airlines Logo
10:00 - 10:05
RNS
-
DUB
25h 05m
2 stops
€203Multiple Airlines
Sat, 15 Aug - Sun, 23 Aug
Multiple Airlines Logo
09:35 - 14:50
DUB
-
RNS
4h 15m
1 stop
Multiple Airlines Logo
11:05 - 22:40
RNS
-
DUB
12h 35m
1 stop
€208Multiple Airlines
Wed, 26 Aug - Wed, 2 Sep
Multiple Airlines Logo
09:35 - 14:50
DUB
-
RNS
4h 15m
1 stop
Multiple Airlines Logo
17:25 - 09:10
RNS
-
DUB
16h 45m
2 stops
€209Multiple Airlines
Wed, 26 Aug - Wed, 2 Sep
Multiple Airlines Logo
21:20 - 10:00
DUB
-
RNS
11h 40m
1 stop
Multiple Airlines Logo
22:00 - 11:10
RNS
-
DUB
14h 10m
1 stop
€212Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug
Multiple Airlines Logo
20:20 - 10:00
DUB
-
RNS
12h 40m
1 stop
Multiple Airlines Logo
22:00 - 11:10
RNS
-
DUB
14h 10m
1 stop
€213Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug
KLM Logo
06:15 - 17:20
ORK
-
RNS
10h 05m
1 stop
KLM Logo
14:25 - 22:35
RNS
-
ORK
9h 10m
1 stop
€354KLM
Wed, 26 Aug - Wed, 2 Sep

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KLM flights from Ireland to Rennes

Our best KLM deals on Ireland to Rennes flight tickets
KLM
13 Aug
DUB08:55Dublin
7h 40m
1 stop
RNS17:35Rennes St Jacques
20 Aug
RNS18:05Rennes St Jacques
19h 35m
1 stop
DUB12:40Dublin
€245
KLM
13 Aug
DUB08:55Dublin
7h 40m
1 stop
RNS17:35Rennes St Jacques
20 Aug
RNS18:05Rennes St Jacques
5h 20m
1 stop
DUB22:25Dublin
€252
KLM
13 Aug
DUB08:55Dublin
7h 40m
1 stop
RNS17:35Rennes St Jacques
20 Aug
RNS18:05Rennes St Jacques
5h 20m
1 stop
DUB22:25Dublin
€253

Aer Lingus flights from Ireland to Rennes

Our best Aer Lingus deals on Ireland to Rennes flight tickets
Aer Lingus
11 Jul
DUB15:10Dublin
2h 00m
RNS18:10Rennes St Jacques
18 Jul
RNS18:50Rennes St Jacques
1h 55m
DUB19:45Dublin
€295
Aer Lingus
22 Aug
DUB15:10Dublin
2h 00m
RNS18:10Rennes St Jacques
29 Aug
RNS18:50Rennes St Jacques
1h 55m
DUB19:45Dublin
€300

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 2 July 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 - RNS

DUBRNS

Dublin

Sat 15/8

20:25-09:30

1 stop12h 05m

Rennes St Jacques

Sun 23/8

10:00-23:25

1 stop14h 25m

€169
Fastest return journey

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 25/7

21:45-09:30

1 stop10h 45m

Rennes St Jacques

Wed 29/7

10:40-14:50

1 stop5h 10m

€171

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 15/8

20:25-09:30

1 stop12h 05m

Rennes St Jacques

Sun 23/8

10:00-23:25

1 stop14h 25m

€185

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 15/8

20:25-09:30

1 stop12h 05m

Rennes St Jacques

Sun 23/8

10:00-10:05

2 stops25h 05m

€201

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 15/8

20:25-09:30

1 stop12h 05m

Rennes St Jacques

Sun 23/8

10:00-10:05

2 stops25h 05m

€203

DublinRennes

DUB - RNS

DUBRNS

Dublin

Wed 26/8

09:35-14:50

1 stop4h 15m

Rennes St Jacques

Wed 2/9

11:05-22:40

1 stop12h 35m

€208

DublinRennes

DUB - RNS

DUBRNS

Dublin

Wed 26/8

09:35-14:50

1 stop4h 15m

Rennes St Jacques

Wed 2/9

17:25-09:10

2 stops16h 45m

€209

DublinRennes

DUB - RNS

DUBRNS

Dublin

Tue 11/8

21:20-10:00

1 stop11h 40m

Rennes St Jacques

Tue 18/8

22:00-11:10

1 stop14h 10m

€212

DublinRennes

DUB - RNS

DUBRNS

Dublin

Tue 11/8

20:20-10:00

1 stop12h 40m

Rennes St Jacques

Tue 18/8

22:00-11:10

1 stop14h 10m

€213

CorkRennes

ORK - RNS

ORKRNS

Cork

Wed 26/8

06:15-17:20

1 stop10h 05m

Rennes St Jacques

Wed 2/9

14:25-22:35

1 stop9h 10m

€354

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 10% 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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