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Cheap flights from London Heathrow Airport to Rennes from £94

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Rennes departing on 11/9. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from London Heathrow Airport to Rennes

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:20 - 10:20
LHR
-
RNS
18h 00m
1 stop
Multiple Airlines Logo
18:05 - 07:40
RNS
-
LHR
14h 35m
1 stop
£156Multiple Airlines
Mon, 13 Jul - Mon, 20 Jul
Multiple Airlines Logo
19:45 - 10:20
LHR
-
RNS
13h 35m
1 stop
Multiple Airlines Logo
18:10 - 20:55
RNS
-
LHR
3h 45m
1 stop
£167Multiple Airlines
Wed, 1 Jul - Thu, 16 Jul
Air France Logo
19:45 - 10:20
LHR
-
RNS
13h 35m
1 stop
Air France Logo
11:05 - 07:55
RNS
-
LHR
21h 50m
1 stop
£175Air France
Wed, 8 Jul - Mon, 13 Jul
KLM Logo
20:55 - 10:20
LHR
-
RNS
12h 25m
2 stops
KLM Logo
18:05 - 07:40
RNS
-
LHR
14h 35m
1 stop
£187KLM
Mon, 13 Jul - Mon, 20 Jul
KLM Logo
14:45 - 10:20
LHR
-
RNS
18h 35m
2 stops
KLM Logo
18:10 - 07:40
RNS
-
LHR
14h 30m
1 stop
£191KLM
Wed, 1 Jul - Thu, 16 Jul
KLM Logo
08:40 - 17:40
LHR
-
RNS
8h 00m
1 stop
KLM Logo
11:05 - 20:50
RNS
-
LHR
10h 45m
2 stops
£194KLM
Sat, 21 Nov - Fri, 27 Nov
Multiple Airlines Logo
19:45 - 10:20
LHR
-
RNS
13h 35m
1 stop
Multiple Airlines Logo
18:05 - 20:55
RNS
-
LHR
3h 50m
1 stop
£195Multiple Airlines
Mon, 10 Aug - Tue, 18 Aug
KLM Logo
20:55 - 10:20
LHR
-
RNS
12h 25m
2 stops
KLM Logo
18:05 - 20:55
RNS
-
LHR
3h 50m
1 stop
£201KLM
Mon, 10 Aug - Tue, 18 Aug
KLM Logo
06:30 - 17:35
LHR
-
RNS
10h 05m
1 stop
KLM Logo
18:10 - 20:55
RNS
-
LHR
3h 45m
1 stop
£210KLM
Thu, 9 Jul - Thu, 16 Jul
KLM Logo
20:55 - 10:20
LHR
-
RNS
36h 25m
2 stops
KLM Logo
18:05 - 07:40
RNS
-
LHR
14h 35m
1 stop
£211KLM
Tue, 30 Jun - Sat, 4 Jul

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Air France flights from London Heathrow Airport to Rennes

Our best Air France deals on London Heathrow Airport to Rennes flight tickets
Air France
8 Jul
LHR19:45London Heathrow
13h 35m
1 stop
RNS10:20Rennes St Jacques
13 Jul
RNS11:05Rennes St Jacques
21h 50m
1 stop
LHR07:55London Heathrow
£175
Air France
22 Jun
LHR19:45London Heathrow
13h 35m
1 stop
RNS10:20Rennes St Jacques
30 Jun
RNS11:05Rennes St Jacques
21h 50m
1 stop
LHR07:55London Heathrow
£205
Air France
23 Sept
LHR19:45London Heathrow
13h 35m
1 stop
RNS10:20Rennes St Jacques
30 Sept
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
£211

KLM flights from London Heathrow Airport to Rennes

Our best KLM deals on London Heathrow Airport to Rennes flight tickets
KLM
13 Jul
LHR20:55London Heathrow
12h 25m
2 stops
RNS10:20Rennes St Jacques
20 Jul
RNS18:05Rennes St Jacques
14h 35m
1 stop
LHR07:40London Heathrow
£187
KLM
1 Jul
LHR14:45London Heathrow
18h 35m
2 stops
RNS10:20Rennes St Jacques
16 Jul
RNS18:10Rennes St Jacques
14h 30m
1 stop
LHR07:40London Heathrow
£191
KLM
21 Nov
LHR08:40London Heathrow
8h 00m
1 stop
RNS17:40Rennes St Jacques
27 Nov
RNS11:05Rennes St Jacques
10h 45m
2 stops
LHR20:50London Heathrow
£194

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 279,928 searches. Data last updated 16 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Mon 13/7

15:20-10:20

1 stop18h 00m

Rennes St Jacques

Mon 20/7

18:05-07:40

1 stop14h 35m

£156

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Wed 1/7

19:45-10:20

1 stop13h 35m

Rennes St Jacques

Thu 16/7

18:10-20:55

1 stop3h 45m

£167

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Wed 8/7

19:45-10:20

1 stop13h 35m

Rennes St Jacques

Mon 13/7

11:05-07:55

1 stop21h 50m

£175

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Mon 13/7

20:55-10:20

2 stops12h 25m

Rennes St Jacques

Mon 20/7

18:05-07:40

1 stop14h 35m

£187

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Wed 1/7

14:45-10:20

2 stops18h 35m

Rennes St Jacques

Thu 16/7

18:10-07:40

1 stop14h 30m

£191

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Sat 21/11

08:40-17:40

1 stop8h 00m

Rennes St Jacques

Fri 27/11

11:05-20:50

2 stops10h 45m

£194

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Mon 10/8

19:45-10:20

1 stop13h 35m

Rennes St Jacques

Tue 18/8

18:05-20:55

1 stop3h 50m

£195

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Mon 10/8

20:55-10:20

2 stops12h 25m

Rennes St Jacques

Tue 18/8

18:05-20:55

1 stop3h 50m

£201
Fastest return journey

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Thu 9/7

06:30-17:35

1 stop10h 05m

Rennes St Jacques

Thu 16/7

18:10-20:55

1 stop3h 45m

£210

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Tue 30/6

20:55-10:20

2 stops36h 25m

Rennes St Jacques

Sat 4/7

18:05-07:40

1 stop14h 35m

£211

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 Rennes from

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

Our data shows that Monday is the least expensive day to fly to Rennes. Tickets to fly out on this day can be as low as £134. Flights from London Heathrow Airport to Rennes on a Thursday will generally be more expensive and average around £241. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Rennes?

According to our data, the cheapest time of day to fly to Rennes is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Rennes in the afternoon for as low as £102. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Rennes is in the morning when prices are around £178.

When to book flights from London Heathrow Airport to Rennes

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

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

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

Fastest flight time

4h 15m

Direct flights

None
The fastest flight from London Heathrow Airport to Rennes takes 4h 15m
There are no direct flights from London Heathrow Airport to Rennes. There are no popular flight routes from London Heathrow Airport to Rennes.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Rennes

  • How far is London Heathrow to Rennes St Jacques by plane?

    London Heathrow and Rennes St Jacques are 238.2 mi apart from one another. By plane, this route typically takes 4h 15m.

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

    Prices for flights from London Heathrow Airport to Rennes St Jacques Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Rennes St Jacques Airport?

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

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The necessary travel and health documents for your Rennes St Jacques Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Heathrow Airport to Rennes?

Best airlines flying from London Heathrow Airport to Rennes

Compare and see reviews for airlines that fly from London Heathrow Airport to Rennes with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £138Free CancellationRating
6.9
1,908 reviews
Search easyJet flights

Why use momondo?

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

It is quick and easy to find London to Rennes flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rennes that suits you.

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

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

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

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

If you are simply researching potential flights to Rennes, momondo offers a useful price alert feature which will track prices for flights to Rennes from London and alert you when they change.

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