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Cheap Flights from Rennes to London Heathrow

Compare Rennes to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Rennes to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Rennes to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.Rs28,937 per passenger.Departing Sun, 16 Nov.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Rennes on Sun, 16 Nov, arriving in London Heathrow.Price includes taxes and charges.From Rs28,937, select.
London.Rs29,924 per passenger.Departing Sun, 14 Dec.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Rennes on Sun, 14 Dec, arriving in London Heathrow.Price includes taxes and charges.From Rs29,924, select.
London.Rs35,843 per passenger.Departing Tue, 14 Oct.One-way flight with Volotea.Outbound indirect flight with Volotea, departs from Rennes on Tue, 14 Oct, arriving in London Heathrow.Price includes taxes and charges.From Rs35,843, select.
London.Rs37,158 per passenger.Departing Fri, 5 Sep.One-way flight with Volotea.Outbound indirect flight with Volotea, departs from Rennes on Fri, 5 Sep, arriving in London Heathrow.Price includes taxes and charges.From Rs37,158, select.
London.Rs38,424 per passenger.Departing Fri, 13 Mar.One-way flight with KLM.Outbound indirect flight with KLM, departs from Rennes on Fri, 13 Mar, arriving in London Heathrow.Price includes taxes and charges.From Rs38,424, select.
London.Rs38,424 per passenger.Departing Wed, 25 Feb.One-way flight with KLM.Outbound indirect flight with KLM, departs from Rennes on Wed, 25 Feb, arriving in London Heathrow.Price includes taxes and charges.From Rs38,424, select.
London.Rs38,424 per passenger.Departing Wed, 1 Apr.One-way flight with KLM.Outbound indirect flight with KLM, departs from Rennes on Wed, 1 Apr, arriving in London Heathrow.Price includes taxes and charges.From Rs38,424, select.
London.Rs38,424 per passenger.Departing Thu, 1 Jan.One-way flight with KLM.Outbound indirect flight with KLM, departs from Rennes on Thu, 1 Jan, arriving in London Heathrow.Price includes taxes and charges.From Rs38,424, select.

Find the cheapest month to fly from Rennes to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rennes to London Heathrow flights are currently cheapest in November.
Aug
from Rs97,061
Sep
from Rs37,158
Oct
from Rs35,843
Nov
from Rs28,937
Dec
from Rs29,924
Jan
from Rs38,424
Feb
from Rs38,424
Mar
from Rs38,424
Apr
from Rs38,424
May
Find prices
Jun
Find prices
Jul
from Rs63,300

Rennes to London Heathrow: Alternative routes

Compare routes from Rennes to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Rennes to London: Flight information

The things to know before you go.
Cheapest flight foundRs28,937
Cheapest month to flyNovember

Finding cheap flights from Rennes to London Heathrow: Frequently asked questions

The best price we found for a return flight from Rennes to London Heathrow is Rs66,845. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Rennes to London Heathrow. But we found flights with one or more stops from Rs66,845.
As of August 2025, there are no flights flying from Rennes to London Heathrow.
The cheapest month to fly from Rennes to London Heathrow is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rennes Airport to London Heathrow Airport on Thursday, 4 September 2025.
No airlines currently offer direct flights between Rennes Airport and London Heathrow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air France offers the cheapest flight tickets to London Heathrow.

Travelling from Rennes Airport (RNS) to London Heathrow Airport (LHR): what you need to know

  • London is one hour behind Rennes and observes the UTC+0 timezone.

  • To ensure you catch your RNS to LHR flight, leave plenty of time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • During popular months like April, you'll want to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for international flights when you travel during a high season in general.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Rennes Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour the city of your choice. Top stopovers between RNS and LHR include:

    • Amsterdam Airport Schiphol

    • Charles de Gaulle Airport

    • Lyon Saint-Exupery International Airport

How to find the cheapest flights from Rennes Airport (RNS) to London Heathrow Airport (LHR)

  • Rs28,937 is currently the lowest price for a one-way Rennes Airport to London Heathrow Airport flight. Return flights start at Rs66,845. These prices may change depending on demand and availability.

  • It's a good idea to book as early as possible if you want to find cheap tickets from RNS to LHR. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • If you're flexible with your trip dates, try using the 'Whole month' search function. It'll give you the cheapest price in every month when looking for your flight from Rennes Airport to London Heathrow Airport.

  • You won't have to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you the moment there's a better deal on cheap flights from RNS to LHR.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Rennes Airport to London Heathrow Airport.

Handy information about Rennes Airport (RNS)

  • Of the departures from Rennes Airport, 77.88% arrive as scheduled at their destination.

  • Rennes Airport is around 11 kilometres from central Rennes. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • The trip on public transport takes about 50 minutes.

  • Get your break off to a stress-free start by staying near RNS. Whether you've booked an early flight from Rennes Airport to London Heathrow Airport or just don't like being rushed, these stays have you covered:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport to the centre of London has a drive time of around 55 minutes. It's approximately 31 kilometres away.

  • It typically takes 1 hour when travelling by public transport.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Rennes Airport to London Heathrow Airport is February, while July is the most popular. Pick the ideal time to visit London based on whether you prefer a more fast-paced or easygoing experience.

  • When booking your flight from Rennes Airport to London Heathrow Airport, think about the type of weather you like. July is the warmest month in London, with temperatures ranging from 11ºC to 26ºC.

  • If you like cooler conditions, look for a cheap ticket from RNS to LHR in January. Average temperatures are between 0ºC and 9ºC then.

Explore more of United Kingdom

  • London has its own special appeal, but there are so many other parts of United Kingdom just waiting to be discovered. Around 161 kilometres north-west of London, a visit to Birmingham will keep you busy. Start with popular sights like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you're eager to discover another great destination in United Kingdom, head for Bristol, about 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are the start of reasons to visit.

Plan the rest of your trip from Rennes to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.