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Cheap flights from London to Rennes from £30

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — RNS
23 Aug — 30 Aug1
1 adult

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 Wednesday or Thursday 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 18 August 2025.

Round-trip from

£75

One-way from

£30

Popular in

August

Cheapest in

March

Average price

£214

Good round-trip deal

£94 or less

Good one-way deal

£136 or less
easyJet
  • easyJet
  • 24/9-27/9
  • Nonstop
  • 2h 30m total
  • London to Rennes
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easyJet
  • easyJet
  • 16/11
  • Nonstop
  • 1h 15m total
  • London to Rennes
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£30 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 August 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 18 August 2025.

Wed 24/913:25LGW - RNS
Nonstop1h 15measyJet
Sat 27/913:30RNS - LGW
Nonstop1h 15measyJet
Deal found 15/8£75
Sun 21/913:25LGW - RNS
Nonstop1h 15measyJet
Wed 24/916:15RNS - LGW
Nonstop1h 15measyJet
Deal found 15/8£77
Sat 4/1010:40LGW - RNS
Nonstop1h 15measyJet
Sun 5/1016:10RNS - LGW
Nonstop1h 15measyJet
Deal found 16/8£81
Mon 29/913:25LGW - RNS
Nonstop1h 15measyJet
Mon 6/1016:15RNS - LGW
Nonstop1h 15measyJet
Deal found 15/8£89
Sat 13/910:40LGW - RNS
Nonstop1h 15measyJet
Sat 20/913:30RNS - LGW
Nonstop1h 15measyJet
Deal found 16/8£89
Wed 1/1013:25LGW - RNS
Nonstop1h 15measyJet
Wed 8/1016:15RNS - LGW
Nonstop1h 15measyJet
Deal found 17/8£97
Tue 23/1208:00LGW - RNS
Nonstop1h 15measyJet
Wed 24/1215:55RNS - LGW
Nonstop1h 05measyJet
Deal found 17/8£100
Wed 17/913:25LGW - RNS
Nonstop1h 15measyJet
Mon 22/916:15RNS - LGW
Nonstop1h 15measyJet
Deal found 17/8£103
Sun 14/913:25LGW - RNS
Nonstop1h 15measyJet
Sun 21/916:10RNS - LGW
Nonstop1h 15measyJet
Deal found 15/8£108
Wed 24/908:15STN - RNS
1 stop5h 35mMultiple Airlines
Sat 27/918:50RNS - STN
1 stop13h 55mMultiple Airlines
Deal found 16/8£166
Sat 4/1022:50STN - RNS
2 stops15h 50mMultiple Airlines
Mon 6/1013:35RNS - STN
1 stop7h 05mMultiple Airlines
Deal found 17/8£177
Wed 29/1011:45LHR - RNS
1 stop4h 15mKLM
Mon 3/1117:30RNS - LHR
1 stop4h 20mKLM
Deal found 17/8£181

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 18 August 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 24/9

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Sat 27/9

13:30-13:45

Nonstop1h 15m

£76

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sun 21/9

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Wed 24/9

16:15-16:30

Nonstop1h 15m

£77

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 4/10

10:40-12:55

Nonstop1h 15m

Rennes St Jacques

Mon 6/10

16:15-16:30

Nonstop1h 15m

£81

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 4/10

10:40-12:55

Nonstop1h 15m

Rennes St Jacques

Sun 5/10

16:10-16:25

Nonstop1h 15m

£81

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 13/9

10:40-12:55

Nonstop1h 15m

Rennes St Jacques

Sat 20/9

13:30-13:45

Nonstop1h 15m

£89

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Wed 1/10

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Wed 8/10

16:15-16:30

Nonstop1h 15m

£97

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Tue 23/12

08:00-10:15

Nonstop1h 15m

Rennes St Jacques

Wed 24/12

15:55-16:00

Nonstop1h 05m

£100

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Wed 17/9

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Mon 22/9

16:15-16:30

Nonstop1h 15m

£103

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Mon 8/9

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Mon 15/9

16:15-16:30

Nonstop1h 15m

£111

LondonRennes

STN - RNS

STNRNS

London Stansted

Wed 24/9

08:15-14:50

1 stop5h 35m

Rennes St Jacques

Sat 27/9

18:50-07:45

1 stop13h 55m

£166

Flights are sorted by cheapest return flights first.

Deals found on 17/8

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 8 August 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 18 August 2025.

It’s optimal to fly from London to Rennes in the afternoon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the evening.

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 18 August 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
1,385 reviews
Check prices

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
easyJet
6.9
Okay
1,820 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 2 airlines have flights to the Rennes airport from London. It is only a 4.0 mi journey from St Jacques (RNS) to Rennes’s city center.

  • What are the cheapest airlines flying from London to Rennes round-trip?

    According to our current data, easyJet (£52), and BlaBlaCar Bus (£66) offers the cheapest pricing from London to Rennes. easyJet is currently priced 58% 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 Heathrow - Rennes St Jacques or London Luton - 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 18 August 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£52Average£143FlexibilityNo cancel feeOn-time86%
Search easyJet flights

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