When did momondo last update prices for flights from Rennes St Jacques Airport to London Heathrow Airport?

Prices for flights from Rennes St Jacques Airport to London Heathrow Airport refresh daily.

How old do you have to be to fly from Rennes St Jacques Airport to London Heathrow 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 layovers 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 Rennes St Jacques Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£90 Cheap Flights from Rennes to London Heathrow Airport in 2026

Find the cheapest flights from Rennes to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:25 - 17:35RNS Rennes St Jacques-LHR London Heathrow

4h 10m1 stop Amsterdam Schiphol

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£172Multiple Airlines

Thu, 3 Sep - Sun, 6 Sep

11:05 - 16:35RNS Rennes St Jacques-LHR London Heathrow

6h 30m1 stop Paris Charles de Gaulle

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£173Air France

Thu, 24 Sep - Sun, 27 Sep

14:25 - 17:35RNS Rennes St Jacques-LHR London Heathrow

4h 10m1 stop Amsterdam Schiphol

06:30 - 13:55LHR London Heathrow-RNS Rennes St Jacques

6h 25m1 stop Amsterdam Schiphol

£173KLM

Fri, 11 Sep - Sun, 13 Sep

14:25 - 17:35RNS Rennes St Jacques-LHR London Heathrow

4h 10m1 stop Amsterdam Schiphol

06:15 - 12:55LHR London Heathrow-RNS Rennes St Jacques

5h 40m1 stop Paris Charles de Gaulle

£174Multiple Airlines

Tue, 8 Sep - Sat, 12 Sep

14:25 - 19:25RNS Rennes St Jacques-LHR London Heathrow

6h 00m1 stop Amsterdam Schiphol

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£175Multiple Airlines

Fri, 25 Sep - Sun, 27 Sep

14:25 - 17:35RNS Rennes St Jacques-LHR London Heathrow

4h 10m1 stop Amsterdam Schiphol

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£176Multiple Airlines

Fri, 25 Sep - Sun, 27 Sep

14:25 - 17:35RNS Rennes St Jacques-LHR London Heathrow

4h 10m1 stop Amsterdam Schiphol

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£176Multiple Airlines

Fri, 25 Sep - Sun, 27 Sep

11:05 - 07:55RNS Rennes St Jacques-LHR London Heathrow

21h 50m1 stop Paris Charles de Gaulle

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£177Air France

Wed, 2 Sep - Sun, 6 Sep

11:05 - 18:35RNS Rennes St Jacques-LHR London Heathrow

8h 30m1 stop Paris Charles de Gaulle

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£178Air France

Sat, 26 Sep - Sun, 27 Sep

11:05 - 13:45RNS Rennes St Jacques-LHR London Heathrow

3h 40m1 stop Paris Charles de Gaulle

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£179Air France

Thu, 3 Sep - Sat, 5 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:05 - 20:55RNS Rennes St Jacques-LHR London Heathrow

3h 50m1 stop Amsterdam Schiphol

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£216Multiple Airlines

Thu, 20 Aug - Mon, 24 Aug

18:05 - 20:55RNS Rennes St Jacques-LHR London Heathrow

3h 50m1 stop Amsterdam Schiphol

06:30 - 17:35LHR London Heathrow-RNS Rennes St Jacques

10h 05m1 stop Amsterdam Schiphol

£225KLM

Thu, 20 Aug - Mon, 24 Aug

18:05 - 07:40RNS Rennes St Jacques-LHR London Heathrow

14h 35m1 stop Amsterdam Schiphol

06:30 - 17:35LHR London Heathrow-RNS Rennes St Jacques

10h 05m1 stop Amsterdam Schiphol

£230KLM

Sat, 22 Aug - Mon, 24 Aug

18:05 - 20:55RNS Rennes St Jacques-LHR London Heathrow

3h 50m1 stop Amsterdam Schiphol

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£231Multiple Airlines

Thu, 20 Aug - Sun, 20 Sep

18:05 - 20:55RNS Rennes St Jacques-LHR London Heathrow

3h 50m1 stop Amsterdam Schiphol

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£241Multiple Airlines

Thu, 20 Aug - Tue, 25 Aug

18:05 - 20:55RNS Rennes St Jacques-LHR London Heathrow

3h 50m1 stop Amsterdam Schiphol

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£241Multiple Airlines

Thu, 20 Aug - Mon, 24 Aug

18:05 - 07:40RNS Rennes St Jacques-LHR London Heathrow

14h 35m1 stop Amsterdam Schiphol

06:30 - 17:35LHR London Heathrow-RNS Rennes St Jacques

10h 05m1 stop Amsterdam Schiphol

£243KLM

Sat, 22 Aug - Mon, 24 Aug

18:05 - 20:55RNS Rennes St Jacques-LHR London Heathrow

3h 50m1 stop Amsterdam Schiphol

20:55 - 10:20LHR London Heathrow-RNS Rennes St Jacques

12h 25m2 stops Amsterdam Schiphol Paris Charles de Gaulle

£246KLM

Thu, 20 Aug - Mon, 24 Aug

18:05 - 20:55RNS Rennes St Jacques-LHR London Heathrow

3h 50m1 stop Amsterdam Schiphol

14:45 - 17:35LHR London Heathrow-RNS Rennes St Jacques

25h 50m1 stop Amsterdam Schiphol

£247KLM

Thu, 20 Aug - Sun, 23 Aug

18:05 - 20:55RNS Rennes St Jacques-LHR London Heathrow

3h 50m1 stop Amsterdam Schiphol

19:45 - 10:20LHR London Heathrow-RNS Rennes St Jacques

13h 35m1 stop Paris Charles de Gaulle

£249Multiple Airlines

Thu, 20 Aug - Wed, 26 Aug

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Air France flights from Rennes to London Heathrow Airport

Our best Air France deals on Rennes to London Heathrow Airport flight tickets

Air France

24 Sept

RNS11:05Rennes St Jacques

6h 30m

1 stop

LHR16:35London Heathrow

27 Sept

LHR19:45London Heathrow

13h 35m

1 stop

RNS10:20Rennes St Jacques

£173

Air France

2 Sept

RNS11:05Rennes St Jacques

21h 50m

1 stop

LHR07:55London Heathrow

6 Sept

LHR19:45London Heathrow

13h 35m

1 stop

RNS10:20Rennes St Jacques

£177

Air France

26 Sept

RNS11:05Rennes St Jacques

8h 30m

1 stop

LHR18:35London Heathrow

27 Sept

LHR19:45London Heathrow

13h 35m

1 stop

RNS10:20Rennes St Jacques

£178

KLM flights from Rennes to London Heathrow Airport

Our best KLM deals on Rennes to London Heathrow Airport flight tickets

KLM

11 Sept

RNS14:25Rennes St Jacques

4h 10m

1 stop

LHR17:35London Heathrow

13 Sept

LHR06:30London Heathrow

6h 25m

1 stop

RNS13:55Rennes St Jacques

£173

KLM

4 Dec

RNS16:45Rennes St Jacques

5h 05m

1 stop

LHR20:50London Heathrow

6 Dec

LHR08:40London Heathrow

8h 00m

1 stop

RNS17:40Rennes St Jacques

£182

KLM

1 Nov

RNS18:10Rennes St Jacques

3h 40m

1 stop

LHR20:50London Heathrow

9 Nov

LHR08:40London Heathrow

6h 35m

1 stop

RNS16:15Rennes St Jacques

£184

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Thu 3/9

14:25-17:35

1 stop4h 10m

London Heathrow

Sun 6/9

19:45-10:20

1 stop13h 35m

£172

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Thu 24/9

11:05-16:35

1 stop6h 30m

London Heathrow

Sun 27/9

19:45-10:20

1 stop13h 35m

£173

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Fri 11/9

14:25-17:35

1 stop4h 10m

London Heathrow

Sun 13/9

06:30-13:55

1 stop6h 25m

£173

Fastest return journey

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Tue 8/9

14:25-17:35

1 stop4h 10m

London Heathrow

Sat 12/9

06:15-12:55

1 stop5h 40m

£174

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Fri 25/9

14:25-19:25

1 stop6h 00m

London Heathrow

Sun 27/9

19:45-10:20

1 stop13h 35m

£175

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Fri 25/9

14:25-17:35

1 stop4h 10m

London Heathrow

Sun 27/9

19:45-10:20

1 stop13h 35m

£176

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Fri 25/9

14:25-17:35

1 stop4h 10m

London Heathrow

Sun 27/9

19:45-10:20

1 stop13h 35m

£176

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Wed 2/9

11:05-07:55

1 stop21h 50m

London Heathrow

Sun 6/9

19:45-10:20

1 stop13h 35m

£177

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Sat 26/9

11:05-18:35

1 stop8h 30m

London Heathrow

Sun 27/9

19:45-10:20

1 stop13h 35m

£178

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Thu 3/9

11:05-13:45

1 stop3h 40m

London Heathrow

Sat 5/9

19:45-10:20

1 stop13h 35m

£179

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Rennes to London Heathrow Airport

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 airline that flies from Rennes St Jacques to London Heathrow?

KLM and Air France are the most popular carriers operating from Rennes St Jacques to London Heathrow

When to book flights from Rennes to London Heathrow Airport

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

Estimated return price

Cheap Rennes to London Heathrow Airport (RNS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rennes to London Heathrow Airport

Best price found	£90
Fastest flight time	3h 30m
Direct flights	None

The best one-way flight to London Heathrow Airport from Rennes in the past 72 hours is £90. The best return flight deal from Rennes to London Heathrow Airport found on momondo in the last 72 hours is £172.

The fastest flight from Rennes to London Heathrow Airport takes 3h 30m

There are no direct flights from Rennes to London Heathrow Airport. There are no popular flight routes from Rennes to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Rennes to London Heathrow Airport

How far is Rennes St Jacques to London Heathrow by plane?
The distance between Rennes St Jacques and London Heathrow is about 238.2 mi. A reasonable flight in good conditions will take 3h 30m.
When did momondo last update prices for flights from Rennes St Jacques Airport to London Heathrow Airport?
Prices for flights from Rennes St Jacques Airport to London Heathrow Airport refresh daily.
How old do you have to be to fly from Rennes St Jacques Airport to London Heathrow 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 layovers 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 Rennes St Jacques Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

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 London from Rennes.

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

momondo does allow users to show only those flights to London from Rennes which offer a flexible booking policy as well as other useful filters and features.

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

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

Yes. momondo can track prices for Rennes to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.