Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Rennes to London from £31

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — LON
19 Jan — 26 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Rennes St Jacques to London are usually found in March or January, booked 62 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Rennes to London

Enter your travel dates to find the best prices.

Cheapest flights from Rennes to London
Explore the most affordable flight options available from Rennes to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 December 2025.

Wed 31/1220:20RNS - LGW
Nonstop1h 05measyJet
Fri 2/111:55LGW - RNS
Nonstop1h 15measyJet
Deal found 19/12£132
Wed 31/1220:20RNS - LGW
Nonstop1h 05measyJet
Thu 1/117:35LGW - RNS
Nonstop1h 20measyJet
Deal found 19/12£139
Mon 22/1212:55RNS - LGW
Nonstop1h 05measyJet
Mon 29/1211:25LGW - RNS
Nonstop1h 15measyJet
Deal found 19/12£147
Mon 22/1220:25RNS - LGW
Nonstop1h 05measyJet
Fri 26/1218:20LGW - RNS
Nonstop1h 15measyJet
Deal found 19/12£153
Wed 24/1215:55RNS - LGW
Nonstop1h 05measyJet
Sat 27/1206:40LGW - RNS
Nonstop1h 15measyJet
Deal found 18/12£161
Thu 25/1211:05RNS - LHR
1 stop11h 20mMultiple Airlines
Sun 28/1206:30LHR - RNS
1 stop9h 30mMultiple Airlines
Deal found 18/12£215
Sun 21/1214:10RNS - STN
2 stops20h 40mMultiple Airlines
Tue 6/108:00STN - RNS
2 stops24h 45mMultiple Airlines
Deal found 19/12£218
Thu 25/1211:05RNS - LHR
1 stop6h 30mAir France
Mon 29/1208:55LHR - RNS
1 stop24h 25mAir France
Deal found 19/12£219
Sun 21/1211:05RNS - LHR
1 stop6h 30mAir France
Tue 6/119:20LHR - RNS
1 stop14h 00mAir France
Deal found 19/12£223
Thu 25/1211:05RNS - LHR
1 stop6h 30mMultiple Airlines
Mon 29/1211:45LHR - RNS
1 stop4h 15mMultiple Airlines
Deal found 19/12£225
Wed 24/1211:05RNS - LHR
1 stop3h 40mMultiple Airlines
Sat 27/1206:30LHR - RNS
1 stop9h 35mMultiple Airlines
Deal found 18/12£227
Thu 25/1211:05RNS - LHR
1 stop11h 20mMultiple Airlines
Tue 30/1206:30LHR - RNS
1 stop9h 35mMultiple Airlines
Deal found 20/12£228

Find flight deals from Rennes to London

Discover tips and strategies to find the most affordable flight options for your journey from Rennes (RNS) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 December 2025.

Round-trip from

£59

One-way from

£31

Popular in

April

Cheapest in

March

Average price

£132
easyJet
  • easyJet
  • 1/2-8/2
  • Nonstop
  • 2h 20m total
  • Rennes to London
Search Deals
easyJet
  • easyJet
  • 7/1
  • Nonstop
  • 1h 05m total
  • Rennes to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Rennes to London 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, Cheapflights users made 858,174 searches. Data last updated 20 December 2025.
Use the filters below to find and compare flights from Rennes to London that are best for you.

Fly from

Rennes

Fly to

London

Route

Depart

Return

Price

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Sun 1/2

16:50-16:55

Nonstop1h 05m

London Gatwick

Sun 8/2

13:50-16:05

Nonstop1h 15m

£59

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Sun 8/2

16:50-16:55

Nonstop1h 05m

London Gatwick

Fri 13/2

18:20-20:35

Nonstop1h 15m

£60

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 30/1

21:05-21:10

Nonstop1h 05m

London Gatwick

Sun 1/2

13:50-16:05

Nonstop1h 15m

£62

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 20/3

21:05-21:10

Nonstop1h 05m

London Gatwick

Wed 25/3

17:20-19:35

Nonstop1h 15m

£62

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 27/3

21:05-21:10

Nonstop1h 05m

London Gatwick

Sun 29/3

13:25-15:40

Nonstop1h 15m

£64

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 6/3

21:05-21:10

Nonstop1h 05m

London Gatwick

Sun 8/3

13:50-16:05

Nonstop1h 15m

£74

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 6/3

21:05-21:10

Nonstop1h 05m

London Gatwick

Mon 9/3

17:25-19:40

Nonstop1h 15m

£81

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Wed 21/1

20:20-20:25

Nonstop1h 05m

London Gatwick

Sun 25/1

13:50-16:05

Nonstop1h 15m

£85

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 23/1

21:05-21:10

Nonstop1h 05m

London Gatwick

Sun 25/1

13:50-16:05

Nonstop1h 15m

£86

RennesLondon

RNS - LTN

RNSLTN

Rennes St Jacques

Fri 6/3

12:20-18:35

1 stop7h 15m

London Luton

Sun 8/3

17:10-15:20

1 stop21h 10m

£126

Flights are sorted by cheapest return flights first.

Deals found on 19/12

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Rennes to London

Have a flexible travel schedule? Discover the best time to fly to London from Rennes with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rennes to London

How far ahead should I book a flight from Rennes to London?

Use this chart to determine the optimal time to book a return flight from Rennes to London. Price data was last updated on 12 December 2025.

The price you pay for your flight from Rennes to London may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Rennes to London?

Currently, June is the cheapest month in which you can book a flight from Rennes to London (average of £25). Flying from Rennes to London in August is currently the most expensive (average of £46). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RNS to LON?

Find hourly flight availability from Rennes to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 31% on flights from Rennes to London by exploring options for tickets in the morning.

How often are flights from Rennes to London delayed?

About 20% of weekly flights between Rennes and London have experienced delays in the past year, with the average delay time being 89 minutes.

What is the most punctual flight time for Rennes to London flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Rennes to London flights?

Over the past year, easyJet have had the lowest number of delays on this route, with just 20% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 20 December 2025.
Get a feel of what it's like to fly with easyJet from Rennes to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
easyJet
6.9
Okay
1,852 reviews
Check prices

Entertainment

5.5

Comfort

6.7

Boarding

6.7

Crew

7.6

Food

5.9

Overall

6.9

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
easyJet
6.9
Okay
1,852 reviews
easyJet
6.9
Okay
1,852 reviews
Check prices

Entertainment

5.5

Comfort

6.7

Boarding

6.7

Crew

7.6

Food

5.9

Overall

6.9

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

Related info for your journey

Find useful and relevant information for your journey from Rennes to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Located just 4.0 mi from the city center, Rennes St Jacques is the airport most travelers will use when flying to London from Rennes. Booking flights from St Jacques (RNS) to London should be relatively easy as there are 0 daily outbound flights to London from 0 different airlines.

  • How long is the flight from Rennes to London?

    For as low as £59, easyJet can have you in London from Rennes in 1h 05m. There are 224 mi between Rennes and London. All flights are typically direct.

  • What are the most popular routes from Rennes to London?

    When deciding which route to take from Rennes to London consider Rennes St Jacques - London Heathrow, Rennes St Jacques - London Gatwick or Rennes St Jacques - London City as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rennes to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rennes to London?

    Currently, June is the cheapest month in which you can book a flight from Rennes to London (average of £25). Flying from Rennes to London in August is currently the most expensive (average of £46). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Winchester
Bedford
Romford
Chichester
Eastbourne
Guildford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rennes to London

See prices for flight routes from nearby airports that may be better suited for you.
Nantes to Gatwick flights
Nantes to Stansted flights
Nantes to Heathrow flights
Nantes to London City flights
Nantes to Luton flights
Rennes to Heathrow flights
Nantes to Edinburgh flights
Rennes to Gatwick flights
Rennes to London City flights
Rennes to Stansted flights
Rennes to Luton flights
Nantes to Southend flights
Brest to Luton flights
Brest to Stansted flights
Rennes to Southend flights
Brest to Heathrow flights
Brest to London City flights
Brest to Gatwick flights
Nantes to Manchester flights
Brest to Southend flights
Brest to Edinburgh flights
Rennes to Edinburgh flights
Nantes to Bristol flights
Nantes to Birmingham flights
Nantes to Liverpool flights
Rennes to Manchester flights
Nantes to Leeds flights
Brest to Manchester flights
Brest to Bristol flights
Rennes to Southampton flights
Quimper to Stansted flights
Rennes to Leeds flights
Nantes to Newcastle upon Tyne flights
Lorient to Heathrow flights
Rennes to Bristol flights
Lorient to Edinburgh flights
Dinard to Stansted flights
Dinard to Gatwick flights
Dinard to Edinburgh flights
Lorient to Gatwick flights
Rennes to Norwich flights
Lorient to Luton flights
Quimper to Edinburgh flights
Quimper to London City flights
Quimper to Gatwick flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Rennes to London 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 London?

Cheapflights helps you find that perfect flight to London from Rennes by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

Can Cheapflights notify me if prices for flights from Rennes to London become cheaper?

Of course! You can now track prices for flights from Rennes to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.