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Cheap flights from Dublin to Rennes from €55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Rennes departing on 30/9. 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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Find the cheapest flights from Dublin to Rennes

Cheap return flights

Logo
07:40 - 15:40DUB-RNS
7h 00m1 stop
Logo
16:20 - 17:20RNS-DUB
26h 00m1 stop
€177
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Sun, 12 Oct - Sun, 19 Oct
Logo
06:55 - 12:55DUB-RNS
5h 00m1 stop
Logo
13:30 - 20:45RNS-DUB
8h 15m1 stop
€191
Find Deal
Sat, 11 Oct - Sat, 18 Oct
Logo
06:55 - 12:55DUB-RNS
5h 00m1 stop
Logo
16:15 - 22:05RNS-DUB
6h 50m1 stop
€193
Find Deal
Sat, 4 Oct - Mon, 6 Oct
KLM Logo
08:50 - 17:05DUB-RNS
7h 15m1 stop
KLM Logo
17:35 - 08:05RNS-DUB
15h 30m1 stop
€197KLM
Find Deal
Tue, 28 Oct - Tue, 4 Nov
KLM Logo
05:55 - 16:20DUB-RNS
9h 25m1 stop
KLM Logo
16:35 - 08:20RNS-DUB
16h 45m1 stop
€208KLM
Find Deal
Sat, 4 Oct - Mon, 6 Oct
KLM Logo
05:55 - 16:20DUB-RNS
9h 25m1 stop
KLM Logo
16:35 - 08:20RNS-DUB
16h 45m1 stop
€209KLM
Find Deal
Sat, 4 Oct - Mon, 6 Oct
Logo
08:50 - 17:05DUB-RNS
7h 15m1 stop
Logo
10:35 - 22:55RNS-DUB
13h 20m2 stops
€212
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Logo
05:45 - 13:40DUB-RNS
6h 55m1 stop
Logo
14:10 - 18:40RNS-DUB
5h 30m1 stop
€213
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Sun, 26 Oct - Sun, 2 Nov
Air France Logo
08:45 - 10:20DUB-RNS
24h 35m1 stop
Air France Logo
18:20 - 07:50RNS-DUB
38h 30m2 stops
€323Air France
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Sun, 21 Dec - Mon, 5 Jan
Air France Logo
15:55 - 09:50DUB-RNS
16h 55m2 stops
Air France Logo
14:25 - 08:15RNS-DUB
18h 50m2 stops
€406Air France
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Mon, 29 Sep - Wed, 1 Oct

KLM flights from Dublin to Rennes

Our best KLM deals on Dublin to Rennes flight tickets
KLM
28 Oct
DUB08:50Dublin
7h 15m
1 stop
RNS17:05Rennes St Jacques
4 Nov
RNS17:35Rennes St Jacques
15h 30m
1 stop
DUB08:05Dublin
€197
Find similar
KLM
4 Oct
DUB05:55Dublin
9h 25m
1 stop
RNS16:20Rennes St Jacques
6 Oct
RNS16:35Rennes St Jacques
16h 45m
1 stop
DUB08:20Dublin
€208
Find similar
KLM
4 Oct
DUB05:55Dublin
9h 25m
1 stop
RNS16:20Rennes St Jacques
6 Oct
RNS16:35Rennes St Jacques
16h 45m
1 stop
DUB08:20Dublin
€209
Find similar

Air France flights from Dublin to Rennes

Our best Air France deals on Dublin to Rennes flight tickets
Air France
21 Dec
DUB08:45Dublin
24h 35m
1 stop
RNS10:20Rennes St Jacques
5 Jan
RNS18:20Rennes St Jacques
38h 30m
2 stops
DUB07:50Dublin
€323
Find similar
Air France
29 Sept
DUB15:55Dublin
16h 55m
2 stops
RNS09:50Rennes St Jacques
1 Oct
RNS14:25Rennes St Jacques
18h 50m
2 stops
DUB08:15Dublin
€406
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Dublin 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 13 September 2025.
Use the filters below to find and compare flights from Dublin to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sun 12/10

07:40-15:40

1 stop7h 00m

Rennes St Jacques

Sun 19/10

16:20-17:20

1 stop26h 00m

€177

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 11/10

06:55-12:55

1 stop5h 00m

Rennes St Jacques

Sat 18/10

13:30-20:45

1 stop8h 15m

€191

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 4/10

06:55-12:55

1 stop5h 00m

Rennes St Jacques

Mon 6/10

16:15-22:05

1 stop6h 50m

€193

DublinRennes

DUB - RNS

DUBRNS

Dublin

Tue 28/10

08:50-17:05

1 stop7h 15m

Rennes St Jacques

Tue 4/11

17:35-08:05

1 stop15h 30m

€197

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 4/10

05:55-16:20

1 stop9h 25m

Rennes St Jacques

Mon 6/10

16:35-08:20

1 stop16h 45m

€208

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 4/10

05:55-16:20

1 stop9h 25m

Rennes St Jacques

Mon 6/10

16:35-08:20

1 stop16h 45m

€209

DublinRennes

DUB - RNS

DUBRNS

Dublin

Tue 28/10

08:50-17:05

1 stop7h 15m

Rennes St Jacques

Tue 4/11

10:35-22:55

2 stops13h 20m

€212

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sun 26/10

05:45-13:40

1 stop6h 55m

Rennes St Jacques

Sun 2/11

14:10-18:40

1 stop5h 30m

€213

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sun 21/12

08:45-10:20

1 stop24h 35m

Rennes St Jacques

Mon 5/1

18:20-07:50

2 stops38h 30m

€323

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 29/9

15:55-09:50

2 stops16h 55m

Rennes St Jacques

Wed 1/10

14:25-08:15

2 stops18h 50m

€406

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 Dublin 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 day to depart on your flight to Rennes?

On average, the least expensive day to fly to Rennes from Dublin is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €160. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Rennes is Saturday, with ticket prices averaging around €250.

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

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

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

There is only 1 cabin class available to choose from on Dublin 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.

When to book flights from Dublin to Rennes

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

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

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

Direct flights

None
There are no direct flights from Dublin to Rennes. There are no popular flight routes from Dublin to Rennes.
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  • How far is Dublin to Rennes St Jacques by plane?

    The distance between Dublin and Rennes St Jacques is about 664.6 km. A reasonable flight in good conditions will take 5h 00m.

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

    Prices for flights from Dublin Airport to Rennes St Jacques Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Rennes St Jacques Airport.

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The necessary travel and health documents for your Rennes St Jacques Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Why use momondo?

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

It is quick and easy to find Dublin to Rennes flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rennes that suits you.

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

Yes. momondo allows you to filter the results for Dublin to Rennes flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Dublin and Rennes 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 Dublin to Rennes right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Rennes, momondo offers a useful price alert feature which will track prices for flights to Rennes from Dublin and alert you when they change.

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