Cheap flights from Ireland to Rennes from €59

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 21/10. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ireland to Rennes

Recent return flight deals from Ireland to Rennes

 Logo
07:40 - 17:00DUB-RNS
8h 20m1 stop
 Logo
16:15 - 22:05RNS-DUB
6h 50m1 stop
€153
Find Deal
Thu, 9 Oct - Mon, 13 Oct
 Logo
07:40 - 17:00DUB-RNS
8h 20m1 stop
 Logo
11:00 - 08:20RNS-DUB
22h 20m2 stops
€168
Find Deal
Thu, 9 Oct - Mon, 13 Oct
 Logo
06:25 - 15:40DUB-RNS
8h 15m1 stop
 Logo
16:15 - 22:05RNS-DUB
6h 50m1 stop
€181
Find Deal
Mon, 13 Oct - Mon, 20 Oct
 Logo
06:55 - 12:55DUB-RNS
5h 00m1 stop
 Logo
16:20 - 22:40RNS-DUB
7h 20m1 stop
€185
Find Deal
Sat, 11 Oct - Sun, 12 Oct
KLM Logo
08:55 - 16:00DUB-RNS
6h 05m1 stop
KLM Logo
16:35 - 08:20RNS-DUB
16h 45m1 stop
€189KLM
Find Deal
Thu, 9 Oct - Mon, 13 Oct
KLM Logo
17:20 - 16:30DUB-RNS
22h 10m1 stop
KLM Logo
16:35 - 20:15RNS-DUB
4h 40m1 stop
€200KLM
Find Deal
Sat, 4 Oct - Mon, 6 Oct
KLM Logo
05:55 - 16:00DUB-RNS
9h 05m1 stop
KLM Logo
16:35 - 08:20RNS-DUB
16h 45m1 stop
€204KLM
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Air France Logo
06:00 - 21:30DUB-RNS
14h 30m2 stops
Air France Logo
06:30 - 22:40RNS-DUB
17h 10m2 stops
€253Air France
Find Deal
Thu, 25 Sep - Thu, 2 Oct
Air France Logo
09:10 - 21:50DUB-RNS
11h 40m2 stops
Air France Logo
06:30 - 22:40RNS-DUB
17h 10m2 stops
€278Air France
Find Deal
Wed, 10 Sep - Thu, 18 Sep
Air France Logo
09:10 - 11:05DUB-RNS
24h 55m1 stop
Air France Logo
06:30 - 22:40RNS-DUB
17h 10m2 stops
€285Air France
Find Deal
Wed, 10 Sep - Thu, 18 Sep

KLM flights from Ireland to Rennes

Our best KLM deals on Ireland to Rennes flight tickets
KLM
9 Oct
DUB08:55Dublin
6h 05m
1 stop
RNS16:00Rennes St Jacques
13 Oct
RNS16:35Rennes St Jacques
16h 45m
1 stop
DUB08:20Dublin
KLM
4 Oct
DUB17:20Dublin
22h 10m
1 stop
RNS16:30Rennes St Jacques
6 Oct
RNS16:35Rennes St Jacques
4h 40m
1 stop
DUB20:15Dublin
KLM
9 Oct
DUB05:55Dublin
9h 05m
1 stop
RNS16:00Rennes St Jacques
13 Oct
RNS16:35Rennes St Jacques
16h 45m
1 stop
DUB08:20Dublin

Air France flights from Ireland to Rennes

Our best Air France deals on Ireland to Rennes flight tickets
Air France
25 Sept
DUB06:00Dublin
14h 30m
2 stops
RNS21:30Rennes St Jacques
2 Oct
RNS06:30Rennes St Jacques
17h 10m
2 stops
DUB22:40Dublin
Air France
10 Sept
DUB09:10Dublin
11h 40m
2 stops
RNS21:50Rennes St Jacques
18 Sept
RNS06:30Rennes St Jacques
17h 10m
2 stops
DUB22:40Dublin
Air France
10 Sept
DUB09:10Dublin
24h 55m
1 stop
RNS11:05Rennes St Jacques
18 Sept
RNS06:30Rennes St Jacques
17h 10m
2 stops
DUB22:40Dublin

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 30 August 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

Thu 9/10

07:40-17:00

1 stop8h 20m

Rennes St Jacques

Mon 13/10

16:15-22:05

1 stop6h 50m

€153

DublinRennes

DUB - RNS

DUBRNS

Dublin

Thu 9/10

07:40-17:00

1 stop8h 20m

Rennes St Jacques

Mon 13/10

11:00-08:20

2 stops22h 20m

€168

DublinRennes

DUB - RNS

DUBRNS

Dublin

Mon 13/10

06:25-15:40

1 stop8h 15m

Rennes St Jacques

Mon 20/10

16:15-22:05

1 stop6h 50m

€181

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 11/10

06:55-12:55

1 stop5h 00m

Rennes St Jacques

Sun 12/10

16:20-22:40

1 stop7h 20m

€185

DublinRennes

DUB - RNS

DUBRNS

Dublin

Thu 9/10

08:55-16:00

1 stop6h 05m

Rennes St Jacques

Mon 13/10

16:35-08:20

1 stop16h 45m

€189

DublinRennes

DUB - RNS

DUBRNS

Dublin

Sat 4/10

17:20-16:30

1 stop22h 10m

Rennes St Jacques

Mon 6/10

16:35-20:15

1 stop4h 40m

€200

DublinRennes

DUB - RNS

DUBRNS

Dublin

Thu 9/10

05:55-16:00

1 stop9h 05m

Rennes St Jacques

Mon 13/10

16:35-08:20

1 stop16h 45m

€204

DublinRennes

DUB - RNS

DUBRNS

Dublin

Thu 25/9

06:00-21:30

2 stops14h 30m

Rennes St Jacques

Thu 2/10

06:30-22:40

2 stops17h 10m

€253

DublinRennes

DUB - RNS

DUBRNS

Dublin

Wed 10/9

09:10-21:50

2 stops11h 40m

Rennes St Jacques

Thu 18/9

06:30-22:40

2 stops17h 10m

€278

DublinRennes

DUB - RNS

DUBRNS

Dublin

Wed 10/9

09:10-11:05

1 stop24h 55m

Rennes St Jacques

Thu 18/9

06:30-22:40

2 stops17h 10m

€285

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 day to depart on your flight to Rennes?

On average, the least expensive day to fly to Rennes from Ireland is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €161. 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 €251.

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.

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

1h 50m

Direct flights

Thu

Airports in Rennes

1 airport
The fastest flight from Ireland to Rennes takes 1h 50m
Direct flights go from Ireland to Rennes on Thursday. There are no airlines offering direct flights..
There is 1 airport near Rennes: Rennes St Jacques (RNS)
  • 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.

An easier way to manage your Rennes trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/9
Thu 11/9

Find better results for your trip to France

Airports servicing Brittany