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Cheap flights from Ireland to Brittany from £274

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BES
2 Sep — 9 Sep1
1 adult

Cheap flight deals from Ireland to Brittany

Keep the following information in mind while searching for Ireland to Brittany flight deals. Data was last updated 28 August 2025.

Round-trip from

£274

Popular in

December

Cheapest in

October

Average price

£139
KLM
  • KLM
  • 19/12-3/1
  • 2 total stops
  • 16h 50m total
  • Ireland to Brittany
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Ireland to Brittany

Cheapest flights from Ireland to Brittany
Explore the most affordable flight options available from Ireland to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Fri 19/1206:00ORK - RNS
1 stop10h 00mKLM
Sat 3/117:35RNS - ORK
1 stop6h 50mKLM
Deal found 27/8£274
Fri 19/1206:00ORK - RNS
1 stop10h 00mKLM
Sun 4/117:35RNS - ORK
1 stop6h 50mKLM
Deal found 27/8£293
Fri 19/1206:00ORK - RNS
1 stop10h 00mKLM
Fri 2/117:30RNS - ORK
1 stop6h 55mKLM
Deal found 27/8£308
Sun 21/1206:00ORK - RNS
1 stop10h 00mKLM
Sat 3/117:35RNS - ORK
1 stop6h 50mKLM
Deal found 27/8£321
Sun 21/1206:00ORK - RNS
1 stop10h 00mKLM
Sun 4/117:35RNS - ORK
1 stop6h 50mKLM
Deal found 27/8£340
Sun 21/1206:00ORK - RNS
1 stop10h 00mKLM
Fri 2/117:30RNS - ORK
1 stop6h 55mKLM
Deal found 27/8£355
Sat 20/1206:10ORK - RNS
1 stop9h 55mKLM
Sun 4/117:35RNS - ORK
1 stop6h 50mKLM
Deal found 27/8£362
Sat 20/1206:10ORK - RNS
1 stop9h 55mKLM
Fri 2/117:30RNS - ORK
1 stop6h 55mKLM
Deal found 27/8£376

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Brittany 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, Cheapflights users made 858,174 searches. Data last updated 28 August 2025.
Use the filters below to find and compare flights from Ireland to Brittany that are best for you.

Fly from

Ireland

Fly to

Brittany

Route

Depart

Return

Price

CorkRennes

ORK - RNS

ORKRNS

Cork

Fri 19/12

06:00-17:00

1 stop10h 00m

Rennes St Jacques

Sat 3/1

17:35-23:25

1 stop6h 50m

£274

CorkRennes

ORK - RNS

ORKRNS

Cork

Fri 19/12

06:00-17:00

1 stop10h 00m

Rennes St Jacques

Sun 4/1

17:35-23:25

1 stop6h 50m

£293

CorkRennes

ORK - RNS

ORKRNS

Cork

Fri 19/12

06:00-17:00

1 stop10h 00m

Rennes St Jacques

Fri 2/1

17:30-23:25

1 stop6h 55m

£308

CorkRennes

ORK - RNS

ORKRNS

Cork

Sun 21/12

06:00-17:00

1 stop10h 00m

Rennes St Jacques

Sat 3/1

17:35-23:25

1 stop6h 50m

£321

CorkRennes

ORK - RNS

ORKRNS

Cork

Sun 21/12

06:00-17:00

1 stop10h 00m

Rennes St Jacques

Sun 4/1

17:35-23:25

1 stop6h 50m

£340

CorkRennes

ORK - RNS

ORKRNS

Cork

Sun 21/12

06:00-17:00

1 stop10h 00m

Rennes St Jacques

Fri 2/1

17:30-23:25

1 stop6h 55m

£355

CorkRennes

ORK - RNS

ORKRNS

Cork

Sat 20/12

06:10-17:05

1 stop9h 55m

Rennes St Jacques

Sun 4/1

17:35-23:25

1 stop6h 50m

£362

CorkRennes

ORK - RNS

ORKRNS

Cork

Sat 20/12

06:10-17:05

1 stop9h 55m

Rennes St Jacques

Fri 2/1

17:30-23:25

1 stop6h 55m

£376

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Best time to book a flight from Ireland to Brittany

Have a flexible travel schedule? Discover the best time to fly to Brittany from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Brittany

What is the cheapest time of day to fly from IE to BR?

Find hourly flight availability from Ireland to Brittany. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 August 2025.

When flying from Ireland to Brittany, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Brittany. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ireland to Brittany flight route?

    Flights from Ireland to Brittany have been viewed 1 times in the past calendar month.

  • How long is the flight from Ireland to Brittany?

    There are many flights that can get you from Ireland to Brittany in 10h. Fly via KLM to get the fastest option. The distance between Ireland and Brittany is about 397 mi.

  • Can I find deals for flights from Ireland to Brittany that include hotel bookings?

    Yes. In addition to deals on Ireland to Brittany flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Brittany?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Brittany.

  • Can I find deals for business class flights from Ireland to Brittany?

    Yes. Cheapflights offers flight deals from Ireland to Brittany by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Brittany

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to Brittany?

Cheapflights helps you search for flights from Ireland to Brittany via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Brittany?

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Can Cheapflights find flights from Ireland to Brittany with no change fees?

Yes! Cheapflights helps users easily find flights from Ireland to Brittany with no change fees.

Can Cheapflights notify me if prices for flights from Ireland to Brittany become cheaper?

Yes, Cheapflights offers price alerts on Ireland to Brittany flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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