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Cheap flights from Rennes to London Heathrow Airport from £70

RNS — LHR
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Rennes to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Rennes to Heathrow

Sat 12/1211:05 -
1 stop3h 40m
Mon 14/1210:00 -
1 stop5h 15m
Deal found 8/11£163
Thu 10/1211:05 -
1 stop8h 15m
Sun 13/1206:30 -
1 stop10h 10m
Deal found 6/11£165
Sat 12/1218:10 -
1 stop14h 30m
Tue 15/1208:40 -
1 stop6h 35m
Deal found 7/11£166
Fri 11/1211:05 -
1 stop6h 30m
Sun 13/1206:30 -
1 stop10h 10m
Deal found 10/11£167
Wed 9/1211:05 -
1 stop8h 15m
Sun 13/1206:30 -
1 stop10h 10m
Deal found 7/11£169
Wed 9/1211:05 -
1 stop3h 40m
Mon 14/1210:00 -
1 stop5h 15m
Deal found 7/11£170
Fri 11/1211:05 -
1 stop6h 30m
Mon 14/1210:00 -
1 stop5h 15m
Deal found 10/11£173
Tue 24/1111:05 -
1 stop3h 40m
Sat 28/1119:20 -
1 stop14h 00m
Deal found 8/11£174
Mon 7/1211:05 -
1 stop3h 40m
Mon 14/1219:20 -
1 stop14h 00m
Deal found 7/11£175

Find flight deals from Rennes to Heathrow

Round-trip from

£163

One-way from

£70

Popular in

August

Cheapest in

March

Average price

£96
KLM
  • KLM
  • 12/12-14/12
  • 2 total stops
  • 8h 55m total
  • Rennes to London
Search Deals
14/12-31/12
  • 14/12-31/12
  • 1 total stop
  • 27h 30m total
  • Rennes to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Sun 20/12

18:10-20:50

1 stop3h 40m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£102

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Thu 10/12

16:45-07:40

1 stop15h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£107

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Sun 13/12

18:10-20:50

1 stop3h 40m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£107

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Sun 20/12

11:05-21:25

1 stop11h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£116

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Fri 25/12

11:05-21:25

1 stop11h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£131

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Fri 18/12

12:20-18:40

1 stop7h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£135

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Tue 22/12

11:05-21:25

1 stop11h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£139

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Tue 22/12

11:05-17:00

2 stops6h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£139

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Wed 23/12

11:05-21:25

1 stop11h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£155

RennesLondon

RNS Rennes St Jacques - LHR London Heathrow

RNSLHR

Rennes St Jacques

Mon 23/11

16:00-21:25

1 stop6h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£164

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Rennes to Heathrow

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

Related info for your journey

  • What airport do you fly from for flights from Rennes to London Heathrow?

    If you book a flight to London Heathrow from Rennes, you will be flying from St Jacques, which is the city’s only airport. Rennes St Jacques (RNS) is located 4.0 mi from the center of Rennes. There are 0 flights from St Jacques to London Heathrow per day from 0 different airlines.

  • How long is the flight from Rennes to London Heathrow Airport?

    For as low as £181, Air France can have you in London Heathrow Airport from Rennes in 8h 30m. There are 242 mi between Rennes and London Heathrow Airport.

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

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

  • How can I find direct flights from Rennes to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Rennes to Heathrow 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Eastbourne
Northampton
Barnet
Brentford
Southend-on-Sea
Enfield
Southall
Harrow
Watford
Folkestone
Dagenham

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

Cheapflights helps you search for flights from Rennes to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Rennes to Heathrow for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Rennes to Heathrow, users can toggle the no change fees filter when performing a flight search.

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