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Cheap flights from London to Rennes from £28

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — RNS
17 ott — 24 ott1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London to Rennes St Jacques are usually found in March or September, booked 38 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from London to Rennes

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Rennes (RNS). 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 17 settembre 2025.

Round-trip from

£56

One-way from

£28

Popular in

July

Cheapest in

March

Average price

£89

Good round-trip deal

£93 or less

Good one-way deal

£149 or less
easyJet
  • easyJet
  • 7/11-10/11
  • Nonstop
  • 2h 20m total
  • London to Rennes
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easyJet
  • easyJet
  • 8/12
  • Nonstop
  • 1h 15m total
  • London to Rennes
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£48 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from London (LON) to Rennes St Jacques.
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Price to beat on a one-way flight from London (LON) to Rennes St Jacques.
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Find flight deals from London to Rennes

Cheapest flights from London to Rennes
Explore the most affordable flight options available from London to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 settembre 2025.

ven 7/1118:20LGW - RNS
Nonstop1h 15measyJet
lun 10/1120:25RNS - LGW
Nonstop1h 05measyJet
Deal found 15/9£56
ven 12/1218:20LGW - RNS
Nonstop1h 15measyJet
lun 15/1220:25RNS - LGW
Nonstop1h 05measyJet
Deal found 15/9£67
ven 14/1118:20LGW - RNS
Nonstop1h 15measyJet
dom 16/1116:50RNS - LGW
Nonstop1h 05measyJet
Deal found 16/9£69
lun 29/1208:00LGW - RNS
Nonstop1h 15measyJet
ven 2/121:05RNS - LGW
Nonstop1h 05measyJet
Deal found 15/9£71
ven 7/1118:20LGW - RNS
Nonstop1h 15measyJet
dom 9/1116:50RNS - LGW
Nonstop1h 05measyJet
Deal found 15/9£72
ven 5/1218:20LGW - RNS
Nonstop1h 15measyJet
dom 7/1216:50RNS - LGW
Nonstop1h 05measyJet
Deal found 16/9£76
dom 28/913:25LGW - RNS
Nonstop1h 15measyJet
lun 29/916:15RNS - LGW
Nonstop1h 15measyJet
Deal found 16/9£81
dom 12/1013:25LGW - RNS
Nonstop1h 15measyJet
mer 15/1016:15RNS - LGW
Nonstop1h 15measyJet
Deal found 16/9£87
dom 21/913:25LGW - RNS
Nonstop1h 15measyJet
ven 26/917:40RNS - LGW
Nonstop1h 05measyJet
Deal found 15/9£88
ven 26/1212:25LGW - RNS
Nonstop1h 15measyJet
ven 2/121:05RNS - LGW
Nonstop1h 05measyJet
Deal found 15/9£89
lun 13/1013:25LGW - RNS
Nonstop1h 15measyJet
lun 20/1016:15RNS - LGW
Nonstop1h 15measyJet
Deal found 15/9£97
ven 5/1207:00LTN - RNS
1 stop8h 40measyJet
dom 7/1214:10RNS - LTN
1 stop9h 15measyJet
Deal found 16/9£150

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Rennes 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 17 settembre 2025.
Use the filters below to find and compare flights from London to Rennes that are best for you.

Fly from

London

Fly to

Rennes

Route

Depart

Return

Price

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

ven 14/11

18:20-20:35

Nonstop1h 15m

Rennes St Jacques

dom 16/11

16:50-16:55

Nonstop1h 05m

£69

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

lun 29/12

08:00-10:15

Nonstop1h 15m

Rennes St Jacques

ven 2/1

21:05-21:10

Nonstop1h 05m

£71

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

ven 21/11

18:20-20:35

Nonstop1h 15m

Rennes St Jacques

dom 23/11

16:50-16:55

Nonstop1h 05m

£72

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

dom 28/9

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

lun 29/9

16:15-16:30

Nonstop1h 15m

£81

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

ven 26/12

12:25-14:40

Nonstop1h 15m

Rennes St Jacques

ven 2/1

21:05-21:10

Nonstop1h 05m

£89

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

mer 1/10

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

sab 4/10

13:30-13:45

Nonstop1h 15m

£99

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

ven 10/10

14:35-16:50

Nonstop1h 15m

Rennes St Jacques

lun 13/10

16:15-16:30

Nonstop1h 15m

£100

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

ven 14/11

18:20-20:35

Nonstop1h 15m

Rennes St Jacques

dom 16/11

14:10-22:35

1 stop9h 25m

£109

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

ven 12/12

18:20-20:35

Nonstop1h 15m

Rennes St Jacques

lun 15/12

16:00-21:25

1 stop6h 25m

£111

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

lun 16/2

17:25-19:40

Nonstop1h 15m

Rennes St Jacques

ven 20/2

21:05-21:10

Nonstop1h 05m

£114

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 results
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Best time to book a flight from London to Rennes

Have a flexible travel schedule? Discover the best time to fly to Rennes from London 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 London to Rennes

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

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

To ensure you get the cheapest price possible for a flight from London to Rennes, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Find hourly flight availability from London to Rennes. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 settembre 2025.

It’s optimal to fly from London to Rennes in the afternoon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Rennes

Get insights into the airlines that provide service to Rennes. 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 Rennes. Reviews last updated 17 settembre 2025.
See what other customers who have flown with KLM and easyJet from London to Rennes have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,386 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
easyJet
6.9
Okay
1,820 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from London to Rennes. 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 into for flights to Rennes from London?

    Rennes St Jacques (RNS) is the airport you will fly into if you book a flight from London to Rennes. You should not have trouble finding flights to St Jacques from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Rennes airport from London. It is only a 4.0 mi journey from St Jacques (RNS) to Rennes’s city center.

  • How long is the flight from London to Rennes?

    easyJet and KLM can get you from London to Rennes in just under 1h 15m. Your travel time can differ by up to 3h. There are 224 mi between London and Rennes. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from London to Rennes round-trip?

    According to our current data, easyJet (£52), offers the cheapest pricing from London to Rennes. easyJet is currently priced 57% below the average price you’ll pay for this route.

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

    The most popular route from London to Rennes is London Gatwick - Rennes St Jacques. You may also consider London City - Rennes St Jacques or London Heathrow - Rennes St Jacques.

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

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

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

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

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

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

See more FAQs

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Alternative routes for London to Rennes

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Rennes

Discover the top airline that operate flights from London to Rennes. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 settembre 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£52Average£142FlexibilityNo cancel feeOn-time86%
Search easyJet flights

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