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Cheap flights from Rennes to London from £87

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rennes to London departing on 14/12. 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 Rennes to London

Cheap return flights

Enter your travel dates to find the best prices.
Air France Logo
11:05 - 13:45RNS-LHR
3h 40m1 stop
Air France Logo
19:20 - 10:20LHR-RNS
14h 00m1 stop
£169Air France
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Air France Logo
11:05 - 13:45RNS-LHR
3h 40m1 stop
Air France Logo
19:25 - 10:20LHR-RNS
13h 55m1 stop
£170Air France
Find Deal
Thu, 20 Nov - Wed, 26 Nov
Air France Logo
11:05 - 13:45RNS-LHR
3h 40m1 stop
Air France Logo
17:35 - 10:20LHR-RNS
15h 45m1 stop
£171Air France
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Air France Logo
11:05 - 16:35RNS-LHR
6h 30m1 stop
Air France Logo
17:35 - 10:35LHR-RNS
16h 00m1 stop
£172Air France
Find Deal
Mon, 10 Nov - Fri, 14 Nov
Air France Logo
11:05 - 13:45RNS-LHR
3h 40m1 stop
Air France Logo
14:45 - 10:20LHR-RNS
18h 35m1 stop
£172Air France
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Air France Logo
11:05 - 13:45RNS-LHR
3h 40m1 stop
Air France Logo
19:25 - 10:20LHR-RNS
13h 55m1 stop
£173Air France
Find Deal
Thu, 20 Nov - Wed, 26 Nov
KLM Logo
17:30 - 20:50RNS-LHR
4h 20m1 stop
KLM Logo
06:30 - 17:05LHR-RNS
9h 35m1 stop
£176KLM
Find Deal
Mon, 24 Nov - Sat, 6 Dec
KLM Logo
17:30 - 20:50RNS-LHR
4h 20m1 stop
KLM Logo
08:40 - 17:00LHR-RNS
7h 20m1 stop
£179KLM
Find Deal
Fri, 28 Nov - Wed, 3 Dec
KLM Logo
17:35 - 20:50RNS-LHR
4h 15m1 stop
KLM Logo
08:40 - 17:05LHR-RNS
7h 25m1 stop
£180KLM
Find Deal
Sat, 15 Nov - Sat, 22 Nov
Multiple Airlines Logo
11:05 - 18:20RNS-LHR
8h 15m1 stop
Multiple Airlines Logo
10:00 - 17:00LHR-RNS
6h 00m1 stop
£181Multiple Airlines
Find Deal
Thu, 22 Jan - Mon, 26 Jan

Air France flights from Rennes to London Heathrow Airport

Our best Air France deals on Rennes to London Heathrow Airport flight tickets
Air France
25 Nov
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
2 Dec
LHR19:20London Heathrow
14h 00m
1 stop
RNS10:20Rennes St Jacques
£169
Find similar
Air France
20 Nov
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
26 Nov
LHR19:25London Heathrow
13h 55m
1 stop
RNS10:20Rennes St Jacques
£170
Find similar
Air France
12 Nov
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
16 Nov
LHR17:35London Heathrow
15h 45m
1 stop
RNS10:20Rennes St Jacques
£171
Find similar

KLM flights from Rennes to London Heathrow Airport

Our best KLM deals on Rennes to London Heathrow Airport flight tickets
KLM
24 Nov
RNS17:30Rennes St Jacques
4h 20m
1 stop
LHR20:50London Heathrow
6 Dec
LHR06:30London Heathrow
9h 35m
1 stop
RNS17:05Rennes St Jacques
£176
Find similar
KLM
28 Nov
RNS17:30Rennes St Jacques
4h 20m
1 stop
LHR20:50London Heathrow
3 Dec
LHR08:40London Heathrow
7h 20m
1 stop
RNS17:00Rennes St Jacques
£179
Find similar
KLM
14 Nov
RNS17:30Rennes St Jacques
4h 20m
1 stop
LHR20:50London Heathrow
18 Nov
LHR10:00London Heathrow
6h 05m
1 stop
RNS17:05Rennes St Jacques
£180
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Rennes to London Heathrow Airport 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 279,928 searches. Data last updated 31 October 2025.
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

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Tue 25/11

11:05-13:45

1 stop3h 40m

London Heathrow

Tue 2/12

19:20-10:20

1 stop14h 00m

£169

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Thu 20/11

11:05-13:45

1 stop3h 40m

London Heathrow

Wed 26/11

19:25-10:20

1 stop13h 55m

£170

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Wed 12/11

11:05-13:45

1 stop3h 40m

London Heathrow

Sun 16/11

17:35-10:20

1 stop15h 45m

£171

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Mon 10/11

11:05-16:35

1 stop6h 30m

London Heathrow

Fri 14/11

17:35-10:35

1 stop16h 00m

£172

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Wed 3/12

11:05-13:45

1 stop3h 40m

London Heathrow

Wed 10/12

14:45-10:20

1 stop18h 35m

£172

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Thu 20/11

11:05-13:45

1 stop3h 40m

London Heathrow

Wed 26/11

19:25-10:20

1 stop13h 55m

£173

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Mon 24/11

17:30-20:50

1 stop4h 20m

London Heathrow

Sat 6/12

06:30-17:05

1 stop9h 35m

£176

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Fri 28/11

17:30-20:50

1 stop4h 20m

London Heathrow

Wed 3/12

08:40-17:00

1 stop7h 20m

£179

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Sat 15/11

17:35-20:50

1 stop4h 15m

London Heathrow

Sat 22/11

08:40-17:05

1 stop7h 25m

£180

RennesLondon

RNS - LHR

RNSLHR

Rennes St Jacques

Thu 22/1

11:05-18:20

1 stop8h 15m

London Heathrow

Mon 26/1

10:00-17:00

1 stop6h 00m

£181

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 London from

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 typical price of a round-trip flight between Rennes and London Heathrow Airport?

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

Direct flights

None
There are no direct flights from Rennes to London Heathrow Airport. There are no popular flight routes from Rennes to London Heathrow Airport.
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  • 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 40m.

  • 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Colchester
Dover
Hayes
Chelmsford

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.

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