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Cheap flights from Ireland to Rennes from €104

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 11/5. 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 Ireland to Rennes

Recent return flight deals from Ireland to Rennes

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:00 - 20:35DUB-RNS
6h 35m1 stop
Multiple Airlines Logo
21:05 - 07:15RNS-DUB
11h 10m1 stop
€132Multiple Airlines
Find Deal
Fri, 16 Jan - Fri, 23 Jan
Multiple Airlines Logo
11:20 - 20:35DUB-RNS
8h 15m1 stop
Multiple Airlines Logo
21:05 - 21:25RNS-DUB
25h 20m2 stops
€176Multiple Airlines
Find Deal
Fri, 16 Jan - Fri, 23 Jan
Multiple Airlines Logo
18:15 - 12:00ORK-RNS
16h 45m1 stop
Multiple Airlines Logo
21:05 - 15:05RNS-ORK
19h 00m1 stop
€185Multiple Airlines
Find Deal
Mon, 8 Dec - Fri, 12 Dec
Air France Logo
08:45 - 10:20DUB-RNS
24h 35m1 stop
Air France Logo
11:05 - 07:50RNS-DUB
21h 45m1 stop
€193Air France
Find Deal
Sat, 24 Jan - Wed, 28 Jan
Air France Logo
16:45 - 10:20DUB-RNS
16h 35m1 stop
Air France Logo
11:05 - 07:50RNS-DUB
21h 45m1 stop
€195Air France
Find Deal
Mon, 12 Jan - Mon, 19 Jan
KLM Logo
05:55 - 17:00DUB-RNS
10h 05m1 stop
KLM Logo
17:30 - 08:05RNS-DUB
15h 35m1 stop
€199KLM
Find Deal
Mon, 12 Jan - Mon, 19 Jan
KLM Logo
05:55 - 17:00DUB-RNS
10h 05m1 stop
KLM Logo
17:30 - 08:05RNS-DUB
15h 35m1 stop
€201KLM
Find Deal
Mon, 12 Jan - Mon, 19 Jan
Multiple Airlines Logo
12:00 - 12:00ORK-RNS
23h 00m2 stops
Multiple Airlines Logo
21:05 - 07:40RNS-ORK
11h 35m1 stop
€206Multiple Airlines
Find Deal
Mon, 8 Dec - Fri, 12 Dec
Multiple Airlines Logo
06:00 - 17:40DUB-RNS
10h 40m2 stops
Multiple Airlines Logo
17:30 - 08:05RNS-DUB
15h 35m1 stop
€207Multiple Airlines
Find Deal
Mon, 12 Jan - Mon, 19 Jan
KLM Logo
17:20 - 10:20DUB-RNS
16h 00m2 stops
KLM Logo
11:05 - 08:20RNS-DUB
22h 15m2 stops
€211KLM
Find Deal
Tue, 14 Apr - Tue, 21 Apr

Air France flights from Ireland to Rennes

Our best Air France deals on Ireland to Rennes flight tickets
Air France
7 Jan
DUB16:45Dublin
16h 35m
1 stop
RNS10:20Rennes St Jacques
14 Jan
RNS11:05Rennes St Jacques
21h 45m
1 stop
DUB07:50Dublin
€193
Find similar
Air France
12 Jan
DUB16:45Dublin
16h 35m
1 stop
RNS10:20Rennes St Jacques
19 Jan
RNS11:05Rennes St Jacques
21h 45m
1 stop
DUB07:50Dublin
€195
Find similar
Air France
14 Apr
DUB15:55Dublin
17h 25m
1 stop
RNS10:20Rennes St Jacques
21 Apr
RNS11:05Rennes St Jacques
22h 15m
1 stop
DUB08:20Dublin
€241
Find similar

KLM flights from Ireland to Rennes

Our best KLM deals on Ireland to Rennes flight tickets
KLM
12 Jan
DUB05:55Dublin
10h 05m
1 stop
RNS17:00Rennes St Jacques
19 Jan
RNS17:30Rennes St Jacques
15h 35m
1 stop
DUB08:05Dublin
€199
Find similar
KLM
12 Jan
DUB05:55Dublin
10h 05m
1 stop
RNS17:00Rennes St Jacques
19 Jan
RNS17:30Rennes St Jacques
15h 35m
1 stop
DUB08:05Dublin
€201
Find similar
KLM
14 Apr
DUB17:20Dublin
16h 00m
2 stops
RNS10:20Rennes St Jacques
21 Apr
RNS11:05Rennes St Jacques
22h 15m
2 stops
DUB08:20Dublin
€211
Find similar

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 23 November 2025.
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

DublinRennes

DUB - RNS

DUBRNS

Dublin

Fri 16/1

13:00-20:35

1 stop6h 35m

Rennes St Jacques

Fri 23/1

21:05-07:15

1 stop11h 10m

€132

DublinRennes

DUB - RNS

DUBRNS

Dublin

Fri 16/1

11:20-20:35

1 stop8h 15m

Rennes St Jacques

Fri 23/1

21:05-21:25

2 stops25h 20m

€176

CorkRennes

ORK - RNS

ORKRNS

Cork

Mon 8/12

18:15-12:00

1 stop16h 45m

Rennes St Jacques

Fri 12/12

21:05-15:05

1 stop19h 00m

€185

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 24/1

08:45-10:20

1 stop24h 35m

Rennes St Jacques

Wed 28/1

11:05-07:50

1 stop21h 45m

€193

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 12/1

16:45-10:20

1 stop16h 35m

Rennes St Jacques

Mon 19/1

11:05-07:50

1 stop21h 45m

€195

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 12/1

05:55-17:00

1 stop10h 05m

Rennes St Jacques

Mon 19/1

17:30-08:05

1 stop15h 35m

€199

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 12/1

05:55-17:00

1 stop10h 05m

Rennes St Jacques

Mon 19/1

17:30-08:05

1 stop15h 35m

€201

CorkRennes

ORK - RNS

ORKRNS

Cork

Mon 8/12

12:00-12:00

2 stops23h 00m

Rennes St Jacques

Fri 12/12

21:05-07:40

1 stop11h 35m

€206

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 12/1

06:00-17:40

2 stops10h 40m

Rennes St Jacques

Mon 19/1

17:30-08:05

1 stop15h 35m

€207

DublinRennes

DUB - RNS

DUBRNS

Dublin

Tue 14/4

17:20-10:20

2 stops16h 00m

Rennes St Jacques

Tue 21/4

11:05-08:20

2 stops22h 15m

€211

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 month to fly to Rennes?

The month of May is, on average, the cheapest month to fly to Rennes from Ireland, with most prices found around €167. If you aren’t able to travel to Rennes during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of €174.

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 St Jacques flights?

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

Direct flights

None
There are no direct flights from Ireland to Rennes. There are no popular flight routes from Ireland to Rennes.
Search flight deals

  • 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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