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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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — LON
7 Dec — 14 Dec1
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 37 days in advance, depart on a Tuesday or Thursday and return on a Thursday

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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 7 November 2025.

Wed 10/1220:20RNS - LGW
Nonstop1h 05measyJet
Fri 12/1211:55LGW - RNS
Nonstop1h 15measyJet
Deal found 5/11£70
Mon 8/1220:25RNS - LGW
Nonstop1h 05measyJet
Tue 16/1209:45LGW - RNS
Nonstop1h 15measyJet
Deal found 5/11£71
Mon 8/1212:30RNS - LGW
Nonstop1h 05measyJet
Fri 12/1211:55LGW - RNS
Nonstop1h 15measyJet
Deal found 5/11£73
Mon 1/1220:25RNS - LGW
Nonstop1h 05measyJet
Sat 6/1206:40LGW - RNS
Nonstop1h 15measyJet
Deal found 7/11£73
Tue 9/1212:30RNS - LGW
Nonstop1h 10measyJet
Thu 11/1217:40LGW - RNS
Nonstop1h 15measyJet
Deal found 6/11£74
Mon 8/1220:25RNS - LGW
Nonstop1h 05measyJet
Thu 11/1217:40LGW - RNS
Nonstop1h 15measyJet
Deal found 6/11£76
Wed 3/1220:20RNS - LGW
Nonstop1h 05measyJet
Sat 6/1206:40LGW - RNS
Nonstop1h 15measyJet
Deal found 5/11£77
Fri 14/1121:05RNS - LGW
Nonstop1h 05measyJet
Wed 19/1117:20LGW - RNS
Nonstop1h 15measyJet
Deal found 5/11£78
Wed 26/1120:20RNS - LGW
Nonstop1h 05measyJet
Sun 30/1113:50LGW - RNS
Nonstop1h 15measyJet
Deal found 5/11£79
Sun 7/1216:50RNS - LGW
Nonstop1h 05measyJet
Fri 12/1211:55LGW - RNS
Nonstop1h 15measyJet
Deal found 6/11£83
Mon 17/1120:25RNS - LGW
Nonstop1h 05measyJet
Fri 21/1118:20LGW - RNS
Nonstop1h 15measyJet
Deal found 5/11£85
Mon 8/1216:00RNS - LTN
1 stop6h 45measyJet
Mon 2/208:00LTN - RNS
1 stop6h 20measyJet
Deal found 5/11£141

Cheap 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 7 November 2025.

Round-trip from

£70

One-way from

£31

Popular in

April

Cheapest in

March

Average price

£96

Good one-way deal

£126 or less
easyJet
  • easyJet
  • 20/2-28/2
  • Nonstop
  • 2h 20m total
  • Rennes to London
Search Deals
easyJet
  • easyJet
  • 23/1
  • Nonstop
  • 1h 05m total
  • Rennes to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£3 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 November 2025
Search Deals
Price to beat on a one-way flight from Rennes St Jacques to London (LON).
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 7 November 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

Mon 8/12

20:25-20:30

Nonstop1h 05m

London Gatwick

Fri 12/12

11:55-14:10

Nonstop1h 15m

£70

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Mon 17/11

20:25-20:30

Nonstop1h 05m

London Gatwick

Wed 19/11

17:20-19:35

Nonstop1h 15m

£78

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Mon 23/2

20:25-20:30

Nonstop1h 05m

London Gatwick

Sat 28/2

06:40-08:55

Nonstop1h 15m

£79

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Sat 21/3

09:40-09:45

Nonstop1h 05m

London Gatwick

Sun 22/3

13:50-16:05

Nonstop1h 15m

£80

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Sun 7/12

16:50-16:55

Nonstop1h 05m

London Gatwick

Tue 9/12

09:45-12:00

Nonstop1h 15m

£83

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Mon 17/11

20:25-20:30

Nonstop1h 05m

London Gatwick

Fri 21/11

18:20-20:35

Nonstop1h 15m

£85

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Sat 21/2

09:40-09:45

Nonstop1h 05m

London Gatwick

Sat 28/2

06:40-08:55

Nonstop1h 15m

£86

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 20/2

21:05-21:10

Nonstop1h 05m

London Gatwick

Sun 22/2

13:50-16:05

Nonstop1h 15m

£89

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Mon 16/2

20:25-20:30

Nonstop1h 05m

London Gatwick

Thu 19/2

18:00-20:15

Nonstop1h 15m

£90

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Thu 19/2

20:50-20:55

Nonstop1h 05m

London Gatwick

Wed 25/2

17:20-19:35

Nonstop1h 15m

£91

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 60 results
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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 31 October 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 37 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 7 November 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 47% on flights from Rennes to London by exploring options for tickets in the morning.

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 7 November 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
1,841 reviews
Check prices

Overall

6.9

Crew

7.6

Entertainment

5.5

Boarding

6.7

Food

5.9

Comfort

6.7

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
1,841 reviews
easyJet
6.9
Okay
1,841 reviews
Check prices

Overall

6.9

Crew

7.6

Entertainment

5.5

Boarding

6.7

Food

5.9

Comfort

6.7

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 £70, easyJet can have you in London from Rennes in 1h 05m. There are 224 mi between Rennes and London. This flight may include one or multiple stops.

  • 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

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Fly with Cheapflights

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

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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.

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