How long is the flight from London Heathrow Airport to Brittany?

There are many flights that can get you from London Heathrow Airport to Brittany in 5h 20m. Fly via Vueling, Air France, or KLM to get the fastest option. Airlines will cover a distance of 273 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Brittany ranges from 38.0 - 75.0 inches per month. October is typically the wettest month, when rainfall can reach 75.0 mm. August is typically the driest time to visit Brittany when rainfall is around 38.0 mm.

If weather is an important factor for your trip to Brittany, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

What are the most popular routes from London Heathrow Airport to Brittany?

The most popular route from London Heathrow Airport to Brittany is London Heathrow - Nantes Atlantique. You may also consider London Heathrow - Rennes St Jacques or London Heathrow - Brest Guipavas.

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

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

How can I find direct flights from Heathrow to Brittany?

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

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

Yes. Cheapflights offers flight deals from Heathrow 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.

£56+ Flights from London Heathrow Airport to Brittany

Cheap flight deals from Heathrow to Brittany

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Brittany
Explore the most affordable flight options available from Heathrow to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Thu 25/1219:20LHR - BES

1 stop12h 40mAir France

Mon 29/1219:10BES - LHR

1 stop13h 45mAir France

Deal found 17/12£203

Sat 27/1206:30LHR - NTE

1 stop3h 50mKLM

Thu 1/106:05NTE - LHR

1 stop3h 55mKLM

Deal found 16/12£204

Sat 27/1206:30LHR - NTE

1 stop3h 50mKLM

Wed 31/1217:25NTE - LHR

1 stop4h 25mKLM

Deal found 16/12£207

Fri 26/1206:30LHR - NTE

1 stop3h 50mKLM

Wed 31/1217:25NTE - LHR

1 stop15h 15mKLM

Deal found 16/12£209

Fri 26/1217:05LHR - NTE

1 stop4h 05mKLM

Thu 1/106:05NTE - LHR

1 stop3h 55mKLM

Deal found 16/12£211

Sun 28/1217:05LHR - NTE

1 stop4h 05mKLM

Thu 1/106:05NTE - LHR

1 stop3h 55mKLM

Deal found 16/12£216

Sun 28/1217:05LHR - NTE

1 stop4h 05mKLM

Wed 31/1217:25NTE - LHR

1 stop15h 15mKLM

Deal found 16/12£221

Mon 29/1211:45LHR - NTE

1 stop3h 55mKLM

Thu 1/106:05NTE - LHR

1 stop5h 40mKLM

Deal found 16/12£228

Wed 24/1217:35LHR - NTE

1 stop3h 50mMultiple Airlines

Wed 31/1217:25NTE - LHR

1 stop4h 25mMultiple Airlines

Deal found 17/12£230

Wed 24/1217:35LHR - NTE

1 stop3h 50mMultiple Airlines

Mon 29/1217:25NTE - LHR

1 stop4h 25mMultiple Airlines

Deal found 17/12£252

Wed 24/1206:30LHR - NTE

1 stop3h 50mKLM

Wed 31/1216:05NTE - LHR

2 stops5h 45mKLM

Deal found 17/12£253

Sat 27/1206:30LHR - NTE

1 stop3h 50mKLM

Mon 29/1217:25NTE - LHR

1 stop4h 25mKLM

Deal found 16/12£254

Best flights from Heathrow to Brittany
Discover carefully curated flight deals from Heathrow to Brittany that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Mon 26/120:50LHR - NTE

1 stop14h 40mVueling

Thu 29/122:00NTE - LHR

1 stop12h 10mVueling

Deal found 17/12£111

Fri 23/109:55LHR - NTE

1 stop10h 15mMultiple Airlines

Sun 25/122:00NTE - LHR

1 stop12h 10mMultiple Airlines

Deal found 17/12£150

Sat 31/111:30LHR - BES

1 stop5h 20mAir France

Sat 7/218:40BES - LHR

1 stop3h 45mAir France

Deal found 17/12£161

Fri 6/320:25LHR - RNS

1 stop19h 40mKLM

Sun 8/317:10RNS - LHR

1 stop4h 40mKLM

Deal found 17/12£170

Tue 3/220:50LHR - NTE

1 stop10h 45mVueling

Tue 3/313:05NTE - LHR

1 stop8h 00mVueling

Deal found 17/12£129

Thu 29/120:50LHR - NTE

1 stop15h 35mVueling

Sun 1/213:05NTE - LHR

1 stop8h 00mVueling

Deal found 16/12£134

Fri 30/120:50LHR - NTE

1 stop14h 40mMultiple Airlines

Fri 6/217:25NTE - LHR

1 stop4h 25mMultiple Airlines

Deal found 16/12£155

Thu 8/109:00LHR - BES

1 stop7h 50mAir France

Sun 25/118:40BES - LHR

1 stop14h 15mAir France

Deal found 16/12£162

Sat 31/120:50LHR - NTE

1 stop14h 40mVueling

Sat 7/222:00NTE - LHR

1 stop12h 10mVueling

Deal found 17/12£140

Fri 9/108:40LHR - RNS

1 stop4h 15mKLM

Mon 12/117:30RNS - LHR

1 stop4h 20mKLM

Deal found 16/12£177

Fri 30/111:30LHR - BES

1 stop5h 20mAir France

Fri 6/215:05BES - LHR

1 stop4h 15mAir France

Deal found 16/12£164

Mon 12/119:05LHR - NTE

1 stop13h 00mMultiple Airlines

Sun 18/116:05NTE - LHR

2 stops16h 35mMultiple Airlines

Deal found 17/12£172

Thu 15/109:55LHR - NTE

1 stop10h 25mVueling

Thu 22/122:00NTE - LHR

1 stop12h 10mVueling

Deal found 16/12£148

Fri 16/119:25LHR - BES

1 stop13h 20mAir France

Thu 22/115:05BES - LHR

1 stop7h 20mAir France

Deal found 17/12£164

Wed 14/106:30LHR - RNS

1 stop6h 25mKLM

Wed 21/114:25RNS - LHR

1 stop5h 50mKLM

Deal found 15/12£185

Sat 31/119:20LHR - BES

1 stop13h 25mAir France

Wed 4/215:05BES - LHR

1 stop7h 20mAir France

Deal found 16/12£166

Thu 5/220:50LHR - NTE

1 stop15h 35mVueling

Sun 8/222:00NTE - LHR

1 stop12h 10mVueling

Deal found 17/12£159

Fri 30/120:25LHR - RNS

2 stops36h 55mKLM

Fri 6/214:25RNS - LHR

1 stop18h 15mKLM

Deal found 16/12£192

Wed 14/109:00LHR - RNS

2 stops7h 40mMultiple Airlines

Wed 21/114:25RNS - LHR

1 stop5h 50mMultiple Airlines

Deal found 15/12£194

Sat 31/119:20LHR - BES

1 stop13h 25mAir France

Tue 3/218:40BES - LHR

1 stop3h 45mAir France

Deal found 16/12£166

Mon 12/118:50LHR - NTE

1 stop16h 40mVueling

Thu 15/122:00NTE - LHR

1 stop12h 10mVueling

Deal found 17/12£160

Mon 12/120:25LHR - RNS

2 stops12h 55mKLM

Mon 19/111:05RNS - LHR

2 stops9h 10mKLM

Deal found 15/12£197

Thu 29/106:20LHR - BES

1 stop10h 30mAir France

Tue 3/215:05BES - LHR

1 stop4h 15mAir France

Deal found 16/12£167

Wed 21/106:30LHR - RNS

1 stop6h 25mKLM

Fri 23/114:25RNS - LHR

1 stop5h 50mKLM

Deal found 15/12£200

Thu 29/108:55LHR - BES

1 stop7h 55mAir France

Wed 4/215:05BES - LHR

1 stop7h 20mAir France

Deal found 16/12£167

Thu 19/309:55LHR - NTE

1 stop10h 25mVueling

Sun 22/322:00NTE - LHR

1 stop12h 10mVueling

Deal found 17/12£167

Wed 28/108:40LHR - RNS

1 stop4h 15mKLM

Fri 30/114:25RNS - LHR

1 stop5h 50mKLM

Deal found 15/12£201

Fri 30/108:55LHR - BES

1 stop4h 15mAir France

Tue 3/215:05BES - LHR

1 stop4h 15mAir France

Deal found 16/12£167

Thu 8/109:55LHR - NTE

1 stop10h 25mVueling

Wed 14/122:00NTE - LHR

1 stop12h 10mVueling

Deal found 17/12£173

Fri 30/109:00LHR - BES

1 stop4h 10mAir France

Wed 4/218:40BES - LHR

1 stop3h 45mAir France

Deal found 16/12£167

Last-minute flights from Heathrow to Brittany
Discover last-minute flight deals from Heathrow to Brittany. Data last updated 18 December 2025 and is based on user searches.

Mon 12/119:40LHR - NTE

1 stop12h 25mMultiple Airlines

Fri 16/108:00NTE - LHR

1 stop10h 15mMultiple Airlines

Deal found 17/12£135

Mon 12/109:55LHR - NTE

1 stop11h 35mMultiple Airlines

Sun 18/114:50NTE - LHR

1 stop6h 15mMultiple Airlines

Deal found 16/12£139

Mon 12/106:20LHR - BES

1 stop11h 00mAir France

Thu 15/118:40BES - LHR

1 stop3h 45mAir France

Deal found 16/12£160

Thu 15/109:55LHR - NTE

1 stop10h 25mVueling

Thu 22/122:00NTE - LHR

1 stop12h 10mVueling

Deal found 16/12£148

Fri 16/109:55LHR - NTE

1 stop10h 25mVueling

Fri 23/122:00NTE - LHR

1 stop12h 10mVueling

Deal found 17/12£147

Wed 21/120:50LHR - NTE

1 stop14h 40mVueling

Fri 23/122:00NTE - LHR

1 stop12h 10mVueling

Deal found 16/12£142

Fri 23/109:55LHR - NTE

1 stop10h 15mMultiple Airlines

Sun 25/122:00NTE - LHR

1 stop12h 10mMultiple Airlines

Deal found 17/12£150

Mon 26/120:50LHR - NTE

1 stop14h 40mVueling

Thu 29/122:00NTE - LHR

1 stop12h 10mVueling

Deal found 17/12£111

Thu 29/120:50LHR - NTE

1 stop15h 35mMultiple Airlines

Sun 1/214:50NTE - LHR

1 stop6h 15mMultiple Airlines

Deal found 17/12£118

Thu 29/120:50LHR - NTE

1 stop15h 35mVueling

Sun 1/213:05NTE - LHR

1 stop8h 00mVueling

Deal found 16/12£134

Sat 31/120:50LHR - NTE

1 stop14h 40mVueling

Sat 7/222:00NTE - LHR

1 stop12h 10mVueling

Deal found 17/12£140

Sat 31/111:30LHR - BES

1 stop5h 20mAir France

Sat 7/218:40BES - LHR

1 stop3h 45mAir France

Deal found 17/12£161

One-way flights from Heathrow to Brittany
Search for one-way flight options from Heathrow to Brittany. Find affordable one-way fares based on user searches. Data last updated 18 December 2025.

Mon 26/120:50LHR - NTE

1 stop14h 40mVueling

Deal found 16/12£56

Wed 21/120:50LHR - NTE

1 stop23h 30mVueling

Deal found 16/12£57

Fri 16/109:55LHR - NTE

1 stop10h 25mVueling

Deal found 16/12£58

Tue 17/220:50LHR - NTE

1 stop10h 45mVueling

Deal found 17/12£61

Mon 12/119:40LHR - NTE

1 stop12h 25mIberia

Deal found 16/12£61

Sat 17/118:45LHR - NTE

1 stop13h 20mIberia

Deal found 17/12£62

Tue 27/120:50LHR - NTE

1 stop10h 45mVueling

Deal found 16/12£64

Thu 1/119:40LHR - NTE

1 stop12h 25mIberia

Deal found 16/12£67

Tue 10/320:50LHR - NTE

1 stop10h 45mVueling

Deal found 16/12£68

Tue 6/118:50LHR - NTE

1 stop12h 45mVueling

Deal found 16/12£69

Wed 14/118:50LHR - NTE

2 stops25h 30mVueling

Deal found 16/12£70

Sun 1/220:25LHR - RNS

1 stop19h 35mKLM

Deal found 15/12£90

Find flight deals from Heathrow to Brittany

Round-trip from	£111
One-way from	£56
Popular in	July
Cheapest in	March
Average price	£137

Vueling
26/1-29/1
2 total stops
26h 50m total
London to Brittany

Search Deals

Vueling
26/1
1 total stop
14h 40m total
London to Brittany

Search Deals

Highest demand for flights based on searches. 34% potential increase in price (£48 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Brittany that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonNantes

LHR - NTE

LHRNTE

London Heathrow

Mon 26/1

20:50-12:30

1 stop14h 40m

Nantes Atlantique

Thu 29/1

22:00-09:10

1 stop12h 10m

£111

LondonNantes

LHR - NTE

LHRNTE

London Heathrow

Tue 3/2

20:50-08:35

1 stop10h 45m

Nantes Atlantique

Tue 3/3

13:05-20:05

1 stop8h 00m

£129

LondonNantes

LHR - NTE

LHRNTE

London Heathrow

Thu 29/1

20:50-13:25

1 stop15h 35m

Nantes Atlantique

Sun 1/2

13:05-20:05

1 stop8h 00m

£134

LondonNantes

LHR - NTE

LHRNTE

London Heathrow

Sat 31/1

20:50-12:30

1 stop14h 40m

Nantes Atlantique

Sat 7/2

22:00-09:10

1 stop12h 10m

£140

LondonNantes

LHR - NTE

LHRNTE

London Heathrow

Thu 15/1

09:55-21:20

1 stop10h 25m

Nantes Atlantique

Thu 22/1

22:00-09:10

1 stop12h 10m

£148

LondonNantes

LHR - NTE

LHRNTE

London Heathrow

Fri 23/1

09:55-21:10

1 stop10h 15m

Nantes Atlantique

Sun 25/1

22:00-09:10

1 stop12h 10m

£150

LondonNantes

LHR - NTE

LHRNTE

London Heathrow

Fri 30/1

20:50-12:30

1 stop14h 40m

Nantes Atlantique

Fri 6/2

17:25-20:50

1 stop4h 25m

£155

LondonNantes

LHR - NTE

LHRNTE

London Heathrow

Thu 5/2

20:50-13:25

1 stop15h 35m

Nantes Atlantique

Sun 8/2

22:00-09:10

1 stop12h 10m

£159

LondonNantes

LHR - NTE

LHRNTE

London Heathrow

Mon 12/1

18:50-12:30

1 stop16h 40m

Nantes Atlantique

Thu 15/1

22:00-09:10

1 stop12h 10m

£160

LondonBrest

LHR - BES

LHRBES

London Heathrow

Sat 31/1

11:30-17:50

1 stop5h 20m

Brest Guipavas

Sat 7/2

18:40-21:25

1 stop3h 45m

£161

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 60 results

...

Best time to book a flight from Heathrow to Brittany

Have a flexible travel schedule? Discover the best time to fly to Brittany from Heathrow 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 London Heathrow Airport to Brittany

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

When flying from London Heathrow Airport to Brittany, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 48% versus a flight in the morning.

Reviews of airlines servicing Brittany

Read reviews from past customers who have flown with Air France and easyJet from London Heathrow Airport to Brittany. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Air France

7.4

Good

1,507 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Alpha Amadu,Dec 2025

CKY - CDG

Super calm and deliberate, staff are exceptionally down to detail

Air France

7.4

Good

1,507 reviews

Air France

7.4

Good

1,507 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Alpha Amadu,Dec 2025

CKY - CDG

Super calm and deliberate, staff are exceptionally down to detail

easyJet

6.9

Okay

1,851 reviews

Air France

7.4

Good

1,507 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Alpha Amadu,Dec 2025

CKY - CDG

Super calm and deliberate, staff are exceptionally down to detail

Related info for your journey

How long is the flight from London Heathrow Airport to Brittany?
There are many flights that can get you from London Heathrow Airport to Brittany in 5h 20m. Fly via Vueling, Air France, or KLM to get the fastest option. Airlines will cover a distance of 273 mi. This flight may include one or multiple stops.
What are the most popular routes from London Heathrow Airport to Brittany?
The most popular route from London Heathrow Airport to Brittany is London Heathrow - Nantes Atlantique. You may also consider London Heathrow - Rennes St Jacques or London Heathrow - Brest Guipavas.
Can I find deals for flights from Heathrow to Brittany that include hotel bookings?
Yes. In addition to deals on Heathrow to Brittany flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Brittany?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Brittany.
Can I find deals for business class flights from Heathrow to Brittany?
Yes. Cheapflights offers flight deals from Heathrow 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

Alternative routes for Heathrow to Brittany

Gatwick to Charles de Gaulle flights

Luton to Charles de Gaulle flights

Stansted to Beauvais-Tille flights

London City to Charles de Gaulle flights

Luton to Beauvais-Tille flights

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Heathrow to Orly flights

Gatwick to Beauvais-Tille flights

Gatwick to Orly flights

Stansted to Charles de Gaulle flights

London City to Orly flights

Stansted to Orly flights

Gatwick to Lyon flights

Heathrow to Nice flights

Southend to Charles de Gaulle flights

Gatwick to Nice flights

Heathrow to Lyon flights

Luton to Orly flights

London City to Nice flights

Luton to Lyon flights

Stansted to Lyon flights

London City to Lyon flights

London City to Beauvais-Tille flights

Luton to Nice flights

Stansted to Marseille flights

Stansted to Nice flights

London City to Marseille flights

Heathrow to Beauvais-Tille flights

Luton to Marseille flights

Heathrow to Marseille flights

Gatwick to Marseille flights

Stansted to Grenoble flights

Stansted to Toulouse flights

Heathrow to Nantes flights

Gatwick to Nantes flights

Heathrow to Bordeaux flights

Luton to Toulouse flights

Gatwick to Bordeaux flights

London City to Toulouse flights

Heathrow to Toulouse flights

Luton to Nantes flights

London City to Bordeaux flights

Gatwick to Montpellier flights

Stansted to Nantes flights

Stansted to Bordeaux flights

London City to Nantes flights

Gatwick to Toulouse flights

Southend to Nice flights

Luton to Bordeaux flights

London City to Montpellier flights

Top 2 airlines flying from Heathrow to Brittany

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£139	Average£193	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Air France	Cheapest£178	Average£324	FlexibilityNo cancel fee	On-time77%	Search Air France flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Brittany from Heathrow today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Brittany.

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

Yes, we can. To see specific flights from Heathrow to Brittany with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Brittany from Heathrow today and book when prices fit your budget.

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Cheap flights from London Heathrow Airport to Brittany from £56

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Brittany

Cheapest flights from Heathrow to BrittanyExplore the most affordable flight options available from Heathrow to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Explore the most affordable flight options available from Heathrow to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Find flight deals from Heathrow to Brittany

Keep the following information in mind while searching for Heathrow to Brittany flight deals. Data was last updated 18 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Brittany that are best for you.

Best time to book a flight from Heathrow to Brittany

Have a flexible travel schedule? Discover the best time to fly to Brittany from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Brittany

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

Find hourly flight availability from Heathrow 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 18 December 2025.

Reviews of airlines servicing Brittany

Read reviews from past customers who have flown with Air France and easyJet from London Heathrow Airport to Brittany. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from London Heathrow Airport to Brittany?

What are the most popular routes from London Heathrow Airport to Brittany?

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

How can I find direct flights from Heathrow to Brittany?

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

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 Heathrow to Brittany

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

Top 2 airlines flying from Heathrow to Brittany

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Cheapest flights from Heathrow to Brittany
Explore the most affordable flight options available from Heathrow to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.