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Cheap flights from Dublin to Rennes from €70

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 23/1. 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
0 bags
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Find the cheapest flights from Dublin to Rennes

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:45 - 20:35
DUB
-
RNS
11h 50m1 stop
Multiple Airlines Logo
20:55 - 18:50
RNS
-
DUB
22h 55m2 stops
€185Multiple Airlines
Fri, 23 Jan - Fri, 30 Jan
KLM Logo
08:50 - 17:00
DUB
-
RNS
7h 10m1 stop
KLM Logo
17:30 - 12:40
RNS
-
DUB
20h 10m1 stop
€199KLM
Mon, 5 Jan - Mon, 12 Jan
Air France Logo
16:45 - 10:20
DUB
-
RNS
16h 35m1 stop
Air France Logo
11:05 - 22:55
RNS
-
DUB
12h 50m1 stop
€204Air France
Tue, 6 Jan - Tue, 13 Jan
Multiple Airlines Logo
07:55 - 15:40
DUB
-
RNS
6h 45m1 stop
Multiple Airlines Logo
15:35 - 00:05
RNS
-
DUB
9h 30m1 stop
€210Multiple Airlines
Sun, 12 Apr - Mon, 27 Apr
KLM Logo
17:15 - 10:20
DUB
-
RNS
16h 05m2 stops
KLM Logo
17:30 - 22:10
RNS
-
DUB
5h 40m1 stop
€216KLM
Mon, 5 Jan - Mon, 12 Jan
Multiple Airlines Logo
16:45 - 10:20
DUB
-
RNS
16h 35m1 stop
Multiple Airlines Logo
17:30 - 22:10
RNS
-
DUB
5h 40m1 stop
€221Multiple Airlines
Mon, 5 Jan - Mon, 12 Jan
KLM Logo
17:15 - 13:55
DUB
-
RNS
19h 40m1 stop
KLM Logo
11:05 - 16:20
RNS
-
DUB
6h 15m2 stops
€228KLM
Tue, 6 Jan - Tue, 13 Jan
Multiple Airlines Logo
20:00 - 20:35
DUB
-
RNS
23h 35m2 stops
Multiple Airlines Logo
19:25 - 17:00
RNS
-
DUB
22h 35m2 stops
€228Multiple Airlines
Thu, 22 Jan - Thu, 29 Jan
Air France Logo
15:55 - 10:20
DUB
-
RNS
17h 25m1 stop
Air France Logo
10:35 - 08:20
RNS
-
DUB
22h 45m2 stops
€233Air France
Mon, 13 Apr - Mon, 27 Apr
Multiple Airlines Logo
16:45 - 09:45
DUB
-
RNS
16h 00m2 stops
Multiple Airlines Logo
11:05 - 16:20
RNS
-
DUB
6h 15m2 stops
€236Multiple Airlines
Tue, 6 Jan - Tue, 13 Jan

Air France flights from Dublin to Rennes

Our best Air France deals on Dublin to Rennes flight tickets
Air France
6 Jan
DUB16:45Dublin
16h 35m
1 stop
RNS10:20Rennes St Jacques
13 Jan
RNS11:05Rennes St Jacques
12h 50m
1 stop
DUB22:55Dublin
€204
Find similar
Air France
13 Apr
DUB15:55Dublin
17h 25m
1 stop
RNS10:20Rennes St Jacques
27 Apr
RNS10:35Rennes St Jacques
22h 45m
2 stops
DUB08:20Dublin
€233
Find similar
Air France
22 Jan
DUB06:00Dublin
10h 40m
2 stops
RNS17:40Rennes St Jacques
29 Jan
RNS11:05Rennes St Jacques
12h 50m
1 stop
DUB22:55Dublin
€313
Find similar

KLM flights from Dublin to Rennes

Our best KLM deals on Dublin to Rennes flight tickets
KLM
5 Jan
DUB08:50Dublin
7h 10m
1 stop
RNS17:00Rennes St Jacques
12 Jan
RNS17:30Rennes St Jacques
20h 10m
1 stop
DUB12:40Dublin
€199
Find similar
KLM
5 Jan
DUB17:15Dublin
16h 05m
2 stops
RNS10:20Rennes St Jacques
12 Jan
RNS17:30Rennes St Jacques
5h 40m
1 stop
DUB22:10Dublin
€216
Find similar
KLM
6 Jan
DUB17:15Dublin
19h 40m
1 stop
RNS13:55Rennes St Jacques
13 Jan
RNS11:05Rennes St Jacques
6h 15m
2 stops
DUB16:20Dublin
€228
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 9 December 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

Fri 23/1

07:45-20:35

1 stop11h 50m

Rennes St Jacques

Fri 30/1

20:55-18:50

2 stops22h 55m

€185

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 5/1

08:50-17:00

1 stop7h 10m

Rennes St Jacques

Mon 12/1

17:30-12:40

1 stop20h 10m

€199

DublinRennes

DUB - RNS

DUBRNS

Dublin

Tue 6/1

16:45-10:20

1 stop16h 35m

Rennes St Jacques

Tue 13/1

11:05-22:55

1 stop12h 50m

€204

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sun 12/4

07:55-15:40

1 stop6h 45m

Rennes St Jacques

Mon 27/4

15:35-00:05

1 stop9h 30m

€210

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 5/1

17:15-10:20

2 stops16h 05m

Rennes St Jacques

Mon 12/1

17:30-22:10

1 stop5h 40m

€216

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 5/1

16:45-10:20

1 stop16h 35m

Rennes St Jacques

Mon 12/1

17:30-22:10

1 stop5h 40m

€221

DublinRennes

DUB - RNS

DUBRNS

Dublin

Tue 6/1

17:15-13:55

1 stop19h 40m

Rennes St Jacques

Tue 13/1

11:05-16:20

2 stops6h 15m

€228

DublinRennes

DUB - RNS

DUBRNS

Dublin

Thu 22/1

20:00-20:35

2 stops23h 35m

Rennes St Jacques

Thu 29/1

19:25-17:00

2 stops22h 35m

€228

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 13/4

15:55-10:20

1 stop17h 25m

Rennes St Jacques

Mon 27/4

10:35-08:20

2 stops22h 45m

€233

DublinRennes

DUB - RNS

DUBRNS

Dublin

Tue 6/1

16:45-09:45

2 stops16h 00m

Rennes St Jacques

Tue 13/1

11:05-16:20

2 stops6h 15m

€236

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 month to fly to Rennes?

The month of May is, on average, the cheapest month to fly to Rennes from Dublin, with most prices found around €165. 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 €172.

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

Fastest flight time

4h 30m

Direct flights

None
The fastest flight from Dublin to Rennes takes 4h 30m
There are no direct flights from Dublin to Rennes. There are no popular flight routes from Dublin to Rennes.
Search flight deals

  • 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 6h 45m.

  • 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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