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Cheap flights from London Heathrow Airport to Rennes from £90

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 1/2. 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 London Heathrow Airport to Rennes

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
20:25 - 17:05
LHR
-
RNS
19h 40m1 stop
KLM Logo
17:10 - 20:50
RNS
-
LHR
4h 40m1 stop
£170KLM
Fri, 6 Mar - Sun, 8 Mar
KLM Logo
08:40 - 13:55
LHR
-
RNS
4h 15m1 stop
KLM Logo
17:30 - 20:50
RNS
-
LHR
4h 20m1 stop
£177KLM
Fri, 9 Jan - Mon, 12 Jan
KLM Logo
20:25 - 10:20
LHR
-
RNS
36h 55m2 stops
KLM Logo
14:25 - 07:40
RNS
-
LHR
18h 15m1 stop
£192KLM
Fri, 30 Jan - Fri, 6 Feb
KLM Logo
08:40 - 13:55
LHR
-
RNS
4h 15m1 stop
KLM Logo
11:05 - 17:00
RNS
-
LHR
6h 55m2 stops
£202KLM
Fri, 9 Jan - Mon, 12 Jan
KLM Logo
17:50 - 10:20
LHR
-
RNS
15h 30m2 stops
KLM Logo
11:20 - 07:40
RNS
-
LHR
21h 20m2 stops
£206KLM
Sat, 31 Jan - Sat, 7 Feb
KLM Logo
20:25 - 10:20
LHR
-
RNS
12h 55m2 stops
KLM Logo
14:25 - 19:15
RNS
-
LHR
5h 50m1 stop
£212KLM
Sun, 11 Jan - Fri, 16 Jan
Air France Logo
19:20 - 10:20
LHR
-
RNS
14h 00m1 stop
Air France Logo
11:05 - 13:45
RNS
-
LHR
3h 40m1 stop
£215Air France
Sun, 18 Jan - Sun, 25 Jan
KLM Logo
11:45 - 17:05
LHR
-
RNS
4h 20m1 stop
KLM Logo
11:05 - 16:05
RNS
-
LHR
6h 00m2 stops
£215KLM
Fri, 6 Mar - Sun, 8 Mar
Air France Logo
19:20 - 10:20
LHR
-
RNS
14h 00m1 stop
Air France Logo
11:05 - 13:45
RNS
-
LHR
3h 40m1 stop
£218Air France
Mon, 12 Jan - Fri, 16 Jan
Air France Logo
19:20 - 10:20
LHR
-
RNS
14h 00m1 stop
Air France Logo
11:05 - 13:45
RNS
-
LHR
3h 40m1 stop
£219Air France
Sun, 11 Jan - Fri, 16 Jan

KLM flights from London Heathrow Airport to Rennes

Our best KLM deals on London Heathrow Airport to Rennes flight tickets
KLM
6 Mar
LHR20:25London Heathrow
19h 40m
1 stop
RNS17:05Rennes St Jacques
8 Mar
RNS17:10Rennes St Jacques
4h 40m
1 stop
LHR20:50London Heathrow
£170
Find similar
KLM
9 Jan
LHR08:40London Heathrow
4h 15m
1 stop
RNS13:55Rennes St Jacques
12 Jan
RNS17:30Rennes St Jacques
4h 20m
1 stop
LHR20:50London Heathrow
£177
Find similar
KLM
14 Jan
LHR06:30London Heathrow
6h 25m
1 stop
RNS13:55Rennes St Jacques
21 Jan
RNS14:25Rennes St Jacques
5h 50m
1 stop
LHR19:15London Heathrow
£185
Find similar

Air France flights from London Heathrow Airport to Rennes

Our best Air France deals on London Heathrow Airport to Rennes flight tickets
Air France
12 Jan
LHR06:20London Heathrow
10h 20m
2 stops
RNS17:40Rennes St Jacques
19 Jan
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
£188
Find similar
Air France
18 Jan
LHR19:20London Heathrow
14h 00m
1 stop
RNS10:20Rennes St Jacques
25 Jan
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
£215
Find similar
Air France
12 Jan
LHR19:20London Heathrow
14h 00m
1 stop
RNS10:20Rennes St Jacques
16 Jan
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
£218
Find similar

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 18 December 2025.
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

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Fri 6/3

20:25-17:05

1 stop19h 40m

Rennes St Jacques

Sun 8/3

17:10-20:50

1 stop4h 40m

£170

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Fri 9/1

08:40-13:55

1 stop4h 15m

Rennes St Jacques

Mon 12/1

17:30-20:50

1 stop4h 20m

£177

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Fri 30/1

20:25-10:20

2 stops36h 55m

Rennes St Jacques

Fri 6/2

14:25-07:40

1 stop18h 15m

£192

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Fri 9/1

08:40-13:55

1 stop4h 15m

Rennes St Jacques

Mon 12/1

11:05-17:00

2 stops6h 55m

£202

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Sat 31/1

17:50-10:20

2 stops15h 30m

Rennes St Jacques

Sat 7/2

11:20-07:40

2 stops21h 20m

£206

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Sun 11/1

20:25-10:20

2 stops12h 55m

Rennes St Jacques

Fri 16/1

14:25-19:15

1 stop5h 50m

£212

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Sun 18/1

19:20-10:20

1 stop14h 00m

Rennes St Jacques

Sun 25/1

11:05-13:45

1 stop3h 40m

£215

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Fri 6/3

11:45-17:05

1 stop4h 20m

Rennes St Jacques

Sun 8/3

11:05-16:05

2 stops6h 00m

£215

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Mon 12/1

19:20-10:20

1 stop14h 00m

Rennes St Jacques

Fri 16/1

11:05-13:45

1 stop3h 40m

£218

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Sun 11/1

19:20-10:20

1 stop14h 00m

Rennes St Jacques

Fri 16/1

11:05-13:45

1 stop3h 40m

£219

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 Thursday is the least expensive day to fly to Rennes. Tickets to fly out on this day can be as low as £116. Flights from London Heathrow Airport to Rennes on a Tuesday will generally be more expensive and average around £202. 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 £93. 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 £172.

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 20m

Direct flights

None
The fastest flight from London Heathrow Airport to Rennes takes 4h 20m
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

  • 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 20m.

  • 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 £139Free CancellationRating
6.9
1,851 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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