Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Rennes to London from £37

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rennes to London departing on 24/9. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Rennes to London

Cheap return flights

easyJet Logo
16:15 - 16:30RNS-LGW
1h 15mdirect
easyJet Logo
10:40 - 12:55LGW-RNS
1h 15mdirect
£73easyJet
Find Deal
Wed, 1 Oct - Sat, 4 Oct
easyJet Logo
09:40 - 09:45RNS-LGW
1h 05mdirect
easyJet Logo
17:25 - 19:40LGW-RNS
1h 15mdirect
£74easyJet
Find Deal
Sat, 1 Nov - Mon, 3 Nov
easyJet Logo
13:30 - 13:45RNS-LGW
1h 15mdirect
easyJet Logo
13:25 - 15:40LGW-RNS
1h 15mdirect
£75easyJet
Find Deal
Sat, 4 Oct - Sun, 5 Oct
easyJet Logo
17:40 - 17:45RNS-LGW
1h 05mdirect
easyJet Logo
13:25 - 15:40LGW-RNS
1h 15mdirect
£76easyJet
Find Deal
Fri, 5 Sep - Sun, 7 Sep
 Logo
15:15 - 22:50RNS-STN
8h 35m1 stop
 Logo
06:35 - 12:30STN-RNS
4h 55m1 stop
Fri, 21 Nov - Mon, 24 Nov
KLM Logo
17:00 - 20:55RNS-LHR
4h 55m1 stop
KLM Logo
09:55 - 16:00LHR-RNS
5h 05m1 stop
£182KLM
Find Deal
Sun, 21 Sep - Wed, 24 Sep
 Logo
11:05 - 18:20RNS-LHR
8h 15m1 stop
 Logo
20:25 - 13:50LHR-RNS
16h 25m1 stop
Mon, 24 Nov - Fri, 28 Nov
Air France Logo
11:05 - 13:45RNS-LHR
3h 40m1 stop
Air France Logo
19:35 - 10:20LHR-RNS
13h 45m1 stop
£183Air France
Find Deal
Fri, 21 Nov - Sun, 23 Nov
KLM Logo
16:35 - 19:25RNS-LHR
3h 50m1 stop
KLM Logo
06:30 - 16:20LHR-RNS
8h 50m1 stop
£186KLM
Find Deal
Wed, 1 Oct - Sat, 4 Oct
Air France Logo
11:05 - 13:45RNS-LHR
3h 40m1 stop
Air France Logo
19:35 - 10:20LHR-RNS
13h 45m1 stop
£191Air France
Find Deal
Fri, 21 Nov - Mon, 24 Nov

KLM flights from Rennes to London

Our best KLM deals on Rennes to London flight tickets
KLM
21 Sept
RNS17:00Rennes St Jacques
4h 55m
1 stop
LHR20:55London Heathrow
24 Sept
LHR09:55London Heathrow
5h 05m
1 stop
RNS16:00Rennes St Jacques
KLM
1 Oct
RNS16:35Rennes St Jacques
3h 50m
1 stop
LHR19:25London Heathrow
4 Oct
LHR06:30London Heathrow
8h 50m
1 stop
RNS16:20Rennes St Jacques
KLM
25 Jul
RNS11:20Rennes St Jacques
9h 05m
1 stop
LHR19:25London Heathrow
28 Jul
LHR20:55London Heathrow
12h 55m
1 stop
RNS10:50Rennes St Jacques

Air France flights from Rennes to London

Our best Air France deals on Rennes to London flight tickets
Air France
21 Nov
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
23 Nov
LHR19:35London Heathrow
13h 45m
1 stop
RNS10:20Rennes St Jacques
Air France
21 Nov
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
24 Nov
LHR19:35London Heathrow
13h 45m
1 stop
RNS10:20Rennes St Jacques
Air France
21 Nov
RNS11:05Rennes St Jacques
3h 40m
1 stop
LHR13:45London Heathrow
23 Nov
LHR09:00London Heathrow
7h 30m
2 stops
RNS17:30Rennes St Jacques

See travel insights to London from

How to get the cheapest flight ticket from Rennes to London

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 month to fly to London?

The cheapest month to fly to London from Rennes is in March. Flight prices, which tend to average around £72, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Rennes averaging around £77.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £77. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Rennes to London for around £203.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £129. Flights in the afternoon are often more expensive, with an average ticket price of £155.

What is the cheapest Rennes St Jacques to London flight route?

Fly from Rennes St Jacques to London Gatwick for the best Rennes St Jacques - London flight prices

What cabin class options are available on Rennes St Jacques to London flights?

There are 1 cabin classes available to choose from on Rennes St Jacques to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Rennes to London flights?

No. A direct flight is the cheapest option for a flight between Rennes to London.

How have Rennes to London flight prices changed over time?

As of July 2025, prices for Rennes to London flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Rennes to London

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

Cheap Rennes to London (RNS to LON) flight deals and tips

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

Best price found

£37

Fastest flight time

1h 05m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in London

4 airports
The best one-way flight to London from Rennes in the past 72 hours is £37. The best return flight deal from Rennes to London found on momondo in the last 72 hours is £73.
The fastest flight from Rennes to London takes 1h 05m
Direct flights go from Rennes to London on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airline offering direct flights is easyJet..
There are 4 airports near London: London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

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

    The straight-line distance from Rennes St Jacques to London is 243.8 mi. A reasonable flight in good conditions will take 1h 05m.

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

    Prices for flights from Rennes St Jacques Airport to London refresh daily.

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

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

    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 Rennes St Jacques Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Rennes to London?

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


Best airlines flying from Rennes to London

Compare and see reviews for airlines that fly from Rennes to London with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £48Free CancellationRating
6.9
1,816 reviews
Search easyJet flights
  • easyJet Flights From Rennes to London

    easyJet flight deals from Rennes to London start from £66 round-trip. Over the 3 easyJet flights for this route in a normal week, average airfare is usually £206 round-trip - but some users have found much cheaper deals with momondo.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Southend-on-Sea
Slough
Maidstone
Canterbury
Gatwick
Ipswich
Ilford
Dartford
Hounslow
Margate
Colchester
Guildford
Worthing
Winchester
Dover
Chelmsford
Croydon

Why use momondo?

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

It is quick and easy to find Rennes to London 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 London that suits you.

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

Flights from Rennes to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Rennes to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Rennes to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Rennes to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/7
Wed 16/7

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London