United Kingdom
GBP

RNS - LHR

£77 Find Cheap Flights from Rennes to London Heathrow Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£166
Typical prices: £172-£263
Air France, KLM
Wed 5/12Sat 8/12
RNS - LHR • 1 stop
Cheapest one-way flight
£77
Typical prices: £134-£216
Multiple Airlines
Fri 14/12
RNS - LHR • 1 stop
When to travel
October
Cheapest • 16% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Paris Charles de Gaulle (CDG)
Cheapest • Avg £211 (return)
Amsterdam Schiphol (AMS)
Shortest trip • 4h 33m (one-way)
Insights
Insights
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We hope you enjoy your trip to London Heathrow Airport!
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Flight Deals

Cheap Flights from Rennes to Heathrow (RNS-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Rennes to Heathrow

Sat, 5 Dec - Tue, 8 Dec
Multiple Airlines Logo
11:05 - 13:45RNS  Rennes St Jacques-LHR London Heathrow
3h 40m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
10:00 - 16:15LHR  London Heathrow-RNS Rennes St Jacques
5h 15m1 stop Amsterdam Schiphol
£166Multiple Airlines
Fri, 4 Dec - Mon, 7 Dec
Multiple Airlines Logo
11:05 - 18:20RNS  Rennes St Jacques-LHR London Heathrow
8h 15m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
10:00 - 16:15LHR  London Heathrow-RNS Rennes St Jacques
5h 15m1 stop Amsterdam Schiphol
£169Multiple Airlines
Mon, 22 Feb - Fri, 26 Feb
KLM Logo
16:45 - 20:50RNS  Rennes St Jacques-LHR London Heathrow
5h 05m1 stop Amsterdam Schiphol
KLM Logo
10:00 - 16:15LHR  London Heathrow-RNS Rennes St Jacques
5h 15m1 stop Amsterdam Schiphol
£170KLM
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
11:05 - 18:20RNS  Rennes St Jacques-LHR London Heathrow
8h 15m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
08:40 - 16:15LHR  London Heathrow-RNS Rennes St Jacques
6h 35m1 stop Amsterdam Schiphol
£171Multiple Airlines
Fri, 8 Jan - Sun, 10 Jan
Air France Logo
11:05 - 13:45RNS  Rennes St Jacques-LHR London Heathrow
3h 40m1 stop Paris Charles de Gaulle
Air France Logo
19:20 - 10:20LHR  London Heathrow-RNS Rennes St Jacques
14h 00m1 stop Paris Charles de Gaulle
£172Air France
Thu, 12 Nov - Tue, 8 Dec
Multiple Airlines Logo
11:05 - 18:20RNS  Rennes St Jacques-LHR London Heathrow
8h 15m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
06:30 - 16:15LHR  London Heathrow-RNS Rennes St Jacques
8h 45m1 stop Amsterdam Schiphol
£172Multiple Airlines
Fri, 1 Jan - Sun, 3 Jan
Multiple Airlines Logo
16:45 - 20:50RNS  Rennes St Jacques-LHR London Heathrow
5h 05m1 stop Amsterdam Schiphol
Multiple Airlines Logo
19:20 - 10:20LHR  London Heathrow-RNS Rennes St Jacques
14h 00m1 stop Paris Charles de Gaulle
£173Multiple Airlines
Thu, 26 Nov - Mon, 30 Nov
Multiple Airlines Logo
11:05 - 13:45RNS  Rennes St Jacques-LHR London Heathrow
3h 40m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
06:30 - 16:15LHR  London Heathrow-RNS Rennes St Jacques
8h 45m1 stop Amsterdam Schiphol
£174Multiple Airlines
Sat, 28 Nov - Mon, 30 Nov
Multiple Airlines Logo
11:05 - 16:35RNS  Rennes St Jacques-LHR London Heathrow
6h 30m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
06:30 - 16:15LHR  London Heathrow-RNS Rennes St Jacques
8h 45m1 stop Amsterdam Schiphol
£175Multiple Airlines
Mon, 26 Oct - Mon, 2 Nov
KLM Logo
16:45 - 20:50RNS  Rennes St Jacques-LHR London Heathrow
5h 05m1 stop Amsterdam Schiphol
KLM Logo
10:00 - 16:15LHR  London Heathrow-RNS Rennes St Jacques
5h 15m1 stop Amsterdam Schiphol
£176KLM
Booking Insights

Price, demand, and travel trends for Rennes to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Rennes to London Heathrow Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Rennes to London Heathrow Airport. It’s 15% cheaper than the average day, while Sunday is the most expensive, with prices 61% higher.

What is the cheapest month to fly from Rennes to London Heathrow Airport?

•October is the cheapest month to fly from Rennes to London Heathrow Airport at £172 return.
•July (£368) and April (£361) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 114% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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Key details for Rennes to London Heathrow Airport flights

Low season

July

Cheapest flight

£77
Beat the crowds with an average 85% drop in traveller numbers.
The most popular month to fly with an average 65% increase in traveller numbers.
One-way flight from Rennes to London Heathrow Airport

When to book flights from Rennes to Heathrow

Are your dates flexible? Find out the best times to travel from Rennes to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Rennes to London Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Rennes to London Heathrow Airport?

    Only Economy class is available on flights from Rennes to London Heathrow Airport.

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

    There are currently no direct flights available from Rennes to London Heathrow Airport. Flights with 1 stopover take between 4h 33m and 6h 59m in total, depending on the connection.

  • Do I need a passport to fly from Rennes to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Rennes to London Heathrow Airport flight?

    Return flights from Rennes to London Heathrow Airport range from £172 to £263, with an average of £205 over the past 12 months. Anything below £172 counts as a good deal.

  • Have flight prices from Rennes to London Heathrow Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £166 to £851. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Rennes to London Heathrow Airport looking right now?

    One-way fares from Rennes to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about £90, which is 45% below the typical average for this route.

  • Which car hire options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates starting from around £5 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from Rennes to London Heathrow Airport?

    Flights from Rennes to London Heathrow Airport usually depart from Rennes St Jacques (RNS) and arrive at London Heathrow (LHR).

  • Which airports do connecting flights from Rennes to London Heathrow Airport pass through?

    Connecting flights from Rennes to London Heathrow Airport most commonly pass through:

    • Paris Charles de Gaulle (CDG) – 64% of one-stop connections
    • Amsterdam Schiphol (AMS) – 36% of one-stop connections

  • Can I save money by using flexible dates for flights from Rennes to London Heathrow Airport?

    Yes. Flexible dates can save you up to 47% on flights from Rennes to London Heathrow Airport. Wednesday is the cheapest departure day at £176 return on average, while Sunday is the most expensive at £332, a difference of £156.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Rennes to London Heathrow Airport?

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time of 4h 33m, compared to 6h 59m via Paris Charles de Gaulle (CDG).

  • What is the time difference between Rennes and London Heathrow Airport?

    London Heathrow Airport is 1 hour behind Rennes (British Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Heathrow Airport on KAYAK.

Your guide to booking Rennes to London Heathrow Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average £176, about £156 less than Sunday fares (47% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Rennes to London Heathrow Airport trip for October. Fares historically average £172 return in that month – typically £197 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport

More options for your flight from Rennes to Heathrow

Complete your trip to London with a hotel stay or car hire

Car hire in London
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