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Cheap flights from London to Rennes from £26

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — RNS
6 Jan — 13 Jan1
1 adult
1 adult, Economy, 0 bags

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

Cheap flight deals from London to Rennes

Enter your travel dates to find the best prices.

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 7 December 2025.

Fri 12/1218:20LGW - RNS
Nonstop1h 15measyJet
Mon 15/1212:30RNS - LGW
Nonstop1h 05measyJet
Deal found 7/12£98
Sat 6/1206:40LGW - RNS
Nonstop1h 15measyJet
Wed 10/1220:20RNS - LGW
Nonstop1h 05measyJet
Deal found 6/12£147
Wed 31/1217:20LGW - RNS
Nonstop1h 15measyJet
Sun 4/116:55RNS - LGW
Nonstop1h 05measyJet
Deal found 6/12£153
Sun 7/1213:50LGW - RNS
Nonstop1h 15measyJet
Wed 10/1220:20RNS - LGW
Nonstop1h 05measyJet
Deal found 5/12£171
Wed 31/1219:40LGW - RNS
2 stops20h 35mMultiple Airlines
Sun 4/116:55RNS - LGW
Nonstop1h 05mMultiple Airlines
Deal found 6/12£200
Sun 7/1205:55STN - RNS
1 stop6h 45mMultiple Airlines
Wed 10/1217:05RNS - STN
2 stops15h 25mMultiple Airlines
Deal found 5/12£209
Sun 7/1207:45LGW - RNS
1 stop9h 20mMultiple Airlines
Wed 10/1220:20RNS - LGW
Nonstop1h 05mMultiple Airlines
Deal found 5/12£225
Thu 25/1207:00LGW - RNS
1 stop6h 10mMultiple Airlines
Thu 1/120:40RNS - LGW
Nonstop1h 05mMultiple Airlines
Deal found 5/12£228
Wed 24/1213:10LGW - RNS
Nonstop1h 15measyJet
Wed 31/1220:20RNS - LGW
Nonstop1h 05measyJet
Deal found 4/12£229
Thu 25/1206:30LHR - RNS
1 stop9h 35mMultiple Airlines
Thu 1/111:05RNS - LHR
1 stop11h 20mMultiple Airlines
Deal found 5/12£241
Mon 8/1217:25LGW - RNS
Nonstop1h 15mMultiple Airlines
Fri 12/1220:55RNS - LGW
1 stop15h 10mMultiple Airlines
Deal found 7/12£247
Sat 6/1217:25LGW - RNS
2 stops19h 15mMultiple Airlines
Wed 10/1220:20RNS - LGW
Nonstop1h 05mMultiple Airlines
Deal found 6/12£251

Find 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 7 December 2025.

Round-trip from

£55

One-way from

£26

Popular in

July

Cheapest in

March

Average price

£138

Good round-trip deal

£106 or less

Good one-way deal

£34 or less
easyJet
  • easyJet
  • 21/1-28/1
  • Nonstop
  • 2h 20m total
  • London to Rennes
Search Deals
easyJet
  • easyJet
  • 7/1
  • Nonstop
  • 1h 15m total
  • London to Rennes
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Rennes St Jacques.
Search Deals
Price to beat on a one-way flight from London (LON) to Rennes St Jacques.
Search Deals

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 7 December 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

Wed 21/1

17:20-19:35

Nonstop1h 15m

Rennes St Jacques

Wed 28/1

20:20-20:25

Nonstop1h 05m

£55

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Wed 21/1

17:20-19:35

Nonstop1h 15m

Rennes St Jacques

Fri 23/1

21:05-21:10

Nonstop1h 05m

£56

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Fri 9/1

18:20-20:35

Nonstop1h 15m

Rennes St Jacques

Sun 11/1

16:50-16:55

Nonstop1h 05m

£56

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Fri 16/1

18:20-20:35

Nonstop1h 15m

Rennes St Jacques

Sun 18/1

16:50-16:55

Nonstop1h 05m

£56

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Wed 14/1

17:20-19:35

Nonstop1h 15m

Rennes St Jacques

Wed 21/1

20:20-20:25

Nonstop1h 05m

£58

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Thu 8/1

17:10-11:45

1 stop17h 35m

Rennes St Jacques

Fri 9/1

21:05-21:10

Nonstop1h 05m

£109

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Fri 9/1

07:35-18:55

1 stop10h 20m

Rennes St Jacques

Sun 11/1

16:50-16:55

Nonstop1h 05m

£114

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 3/1

06:40-08:55

Nonstop1h 15m

Rennes St Jacques

Sun 4/1

16:55-17:00

Nonstop1h 05m

£130

LondonRennes

STN - RNS

STNRNS

London Stansted

Thu 26/3

10:35-19:20

1 stop7h 45m

Rennes St Jacques

Sun 29/3

21:40-12:20

1 stop15h 40m

£156

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Wed 21/1

06:30-13:55

1 stop6h 25m

Rennes St Jacques

Wed 28/1

14:25-19:15

1 stop5h 50m

£175

Flights are sorted by cheapest return flights first.

Deals found on 4/12

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 5 December 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 month to book a flight from London to Rennes?

Currently, February is the cheapest month in which you can book a flight from London to Rennes (average of £24). Flying from London to Rennes in December is currently the most expensive (average of £49). 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 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 7 December 2025.

It’s optimal to fly from London to Rennes in the afternoon. By choosing this option you can save up to 57% on the cost of your flight, compared to a flight in the morning.

How much does it cost for a return flight from London to Rennes?

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 7 December 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
7.7
Good
1,430 reviews
Check prices

Overall

7.7

Comfort

7.6

Food

7.2

Crew

8.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,430 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Overall

7.7

Comfort

7.6

Food

7.2

Crew

8.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
easyJet
6.9
Okay
1,849 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Overall

7.7

Comfort

7.6

Food

7.2

Crew

8.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 can get you from London to Rennes in just under 1h 15m. Your travel time will be generally consistent. There are 224 mi between London and Rennes. All flights are typically direct.

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

    According to our current data, easyJet (£54), offers the cheapest pricing from London to Rennes. easyJet is currently priced 56% 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 Heathrow - Rennes St Jacques. You may also consider London Gatwick - Rennes St Jacques or London Stansted - 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.

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

    Currently, February is the cheapest month in which you can book a flight from London to Rennes (average of £24). Flying from London to Rennes in December is currently the most expensive (average of £49). 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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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 7 December 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£54Average£159FlexibilityNo cancel feeOn-time86%
Search easyJet flights

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Millions of users choose and trust Cheapflights to book the best flight deals from London to Rennes for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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