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Cheap flights from Rennes to London from £39

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 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — LON
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from Rennes St Jacques to London are usually found in March or January, booked 73 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

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 29 August 2025.

Round-trip from

£76

One-way from

£39

Popular in

August

Cheapest in

March

Average price

£164

Good one-way deal

£82 or less
easyJet
  • easyJet
  • 9/1-14/1
  • Nonstop
  • 2h 20m total
  • Rennes to London
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easyJet
  • easyJet
  • 23/11
  • Nonstop
  • 1h 05m total
  • Rennes to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£14 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a one-way flight from Rennes St Jacques to London (LON).
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Find flight deals from Rennes to London

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 29 August 2025.

Fri 5/1221:05RNS - LGW
Nonstop1h 05measyJet
Mon 8/1208:00LGW - RNS
Nonstop1h 15measyJet
Deal found 28/8£76
Sat 27/913:30RNS - LGW
Nonstop1h 15measyJet
Mon 29/913:25LGW - RNS
Nonstop1h 15measyJet
Deal found 27/8£77
Fri 21/1121:05RNS - LGW
Nonstop1h 05measyJet
Mon 24/1117:25LGW - RNS
Nonstop1h 15measyJet
Deal found 28/8£78
Fri 21/1121:05RNS - LGW
Nonstop1h 05measyJet
Sun 23/1113:55LGW - RNS
Nonstop1h 15measyJet
Deal found 27/8£78
Sun 14/1216:50RNS - LGW
Nonstop1h 05measyJet
Sat 20/1206:40LGW - RNS
Nonstop1h 15measyJet
Deal found 27/8£79
Fri 31/1021:05RNS - LGW
Nonstop1h 05measyJet
Mon 3/1117:25LGW - RNS
Nonstop1h 15measyJet
Deal found 27/8£80
Fri 3/1017:40RNS - LGW
Nonstop1h 05measyJet
Sun 5/1013:25LGW - RNS
Nonstop1h 15measyJet
Deal found 28/8£81
Sat 4/1013:30RNS - LGW
Nonstop1h 15measyJet
Sun 5/1013:25LGW - RNS
Nonstop1h 15measyJet
Deal found 27/8£81
Wed 1/1016:15RNS - LGW
Nonstop1h 15measyJet
Mon 6/1013:25LGW - RNS
Nonstop1h 15measyJet
Deal found 27/8£82
Wed 24/1215:55RNS - LGW
Nonstop1h 05measyJet
Sat 27/1206:40LGW - RNS
Nonstop1h 15measyJet
Deal found 27/8£83
Mon 6/1016:15RNS - LGW
Nonstop1h 15measyJet
Wed 8/1013:25LGW - RNS
Nonstop1h 15measyJet
Deal found 28/8£84
Mon 1/1220:25RNS - LGW
Nonstop1h 05measyJet
Wed 3/1217:20LGW - RNS
Nonstop1h 15measyJet
Deal found 27/8£84

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 29 August 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

Fri 9/1

21:05-21:10

Nonstop1h 05m

London Gatwick

Wed 14/1

17:20-19:35

Nonstop1h 15m

£76

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 5/12

21:05-21:10

Nonstop1h 05m

London Gatwick

Sun 7/12

13:55-16:10

Nonstop1h 15m

£76

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Sat 27/9

13:30-13:45

Nonstop1h 15m

London Gatwick

Mon 29/9

13:25-15:40

Nonstop1h 15m

£77

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 21/11

21:05-21:10

Nonstop1h 05m

London Gatwick

Sun 23/11

13:55-16:10

Nonstop1h 15m

£78

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Fri 21/11

21:05-21:10

Nonstop1h 05m

London Gatwick

Mon 24/11

17:25-19:40

Nonstop1h 15m

£78

RennesLondon

RNS - LGW

RNSLGW

Rennes St Jacques

Sun 14/12

16:50-16:55

Nonstop1h 05m

London Gatwick

Sat 20/12

06:40-08:55

Nonstop1h 15m

£79

RennesLondon

RNS - STN

RNSSTN

Rennes St Jacques

Fri 26/9

20:15-23:40

1 stop4h 25m

London Stansted

Fri 3/10

07:50-19:15

1 stop10h 25m

£136

RennesLondon

RNS - STN

RNSSTN

Rennes St Jacques

Mon 6/10

13:35-19:40

1 stop7h 05m

London Stansted

Sun 12/10

20:05-10:05

1 stop13h 00m

£144

RennesLondon

RNS - LTN

RNSLTN

Rennes St Jacques

Fri 14/11

12:20-21:00

1 stop9h 40m

London Luton

Mon 17/11

06:25-15:20

1 stop7h 55m

£150

RennesLondon

RNS - LTN

RNSLTN

Rennes St Jacques

Mon 1/12

16:00-21:45

1 stop6h 45m

London Luton

Thu 4/12

17:35-11:45

1 stop17h 10m

£150

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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 22 August 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 73 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, January is the cheapest month in which you can book a flight from Rennes to London (average of £112). Flying from Rennes to London in August is currently the most expensive (average of £164). 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 29 August 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 33% on flights from Rennes to London by exploring options for tickets in the afternoon.

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 29 August 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
1,817 reviews
Check prices

Comfort

6.7

Boarding

6.7

Crew

7.6

Entertainment

5.5

Food

5.9

Overall

6.9

Reviews

1 / 20
6.0
Good

Kathleen P,Jun 2025

LGW - GLA

Had to pay £48 because my personal item was 1cm too big! Not happy! First & last time to fly Easy Jet. This small back pack has been used on many domestic & international flights without a problem. I could have easily put it in my luggage as my bag was 5kg under weight. Instead, I was charged £48 even though it didn’t add any extra weight to the flight and it could easily fit under the seat. Hint: Check the “personal item” size carefully!
easyJet
6.9
Okay
1,817 reviews
easyJet
6.9
Okay
1,817 reviews
Check prices

Comfort

6.7

Boarding

6.7

Crew

7.6

Entertainment

5.5

Food

5.9

Overall

6.9

Reviews

1 / 20
6.0
Good

Kathleen P,Jun 2025

LGW - GLA

Had to pay £48 because my personal item was 1cm too big! Not happy! First & last time to fly Easy Jet. This small back pack has been used on many domestic & international flights without a problem. I could have easily put it in my luggage as my bag was 5kg under weight. Instead, I was charged £48 even though it didn’t add any extra weight to the flight and it could easily fit under the seat. Hint: Check the “personal item” size carefully!

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 £76, 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 City, Rennes St Jacques - London Gatwick or Rennes St Jacques - London Heathrow 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, January is the cheapest month in which you can book a flight from Rennes to London (average of £112). Flying from Rennes to London in August is currently the most expensive (average of £164). 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?

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