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Cheap flights from London to Rennes from £46

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — RNS
31 Mar — 7 Apr1
1 adult

Cheapflights Tip: The best prices from London to Rennes St Jacques are usually found in March or September, booked 87 days in advance, depart on a Wednesday or Sunday 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 26 March 2025.

Round-trip from

£74

One-way from

£46

Popular in

August

Cheapest in

March

Average price

£74

Good round-trip deal

£98 or less
easyJet
  • easyJet
  • 7/5-14/5
  • Nonstop
  • 2h 30m total
  • London to Rennes
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easyJet
  • easyJet
  • 19/5
  • Nonstop
  • 1h 15m total
  • London to Rennes
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£21 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 March 2025
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Price to beat on a round-trip 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 26 March 2025.

Wed 7/513:25LGW - RNS
Nonstop1h 15measyJet
Wed 14/516:15RNS - LGW
Nonstop1h 15measyJet
Deal found 25/3£74
Wed 14/508:50LGW - RNS
1 stop5h 35mMultiple Airlines
Wed 21/516:15RNS - LGW
Nonstop1h 15mMultiple Airlines
Deal found 25/3£142
Tue 22/408:40LHR - RNS
1 stop6h 20mKLM
Tue 29/416:35RNS - LHR
1 stop5h 20mKLM
Deal found 25/3£183
Wed 7/509:05STN - RNS
1 stop5h 20mMultiple Airlines
Wed 14/516:00RNS - STN
1 stop6h 15mMultiple Airlines
Deal found 25/3£184
Sat 10/519:45LHR - RNS
1 stop12h 50mMultiple Airlines
Sat 17/516:50RNS - LHR
1 stop5h 05mMultiple Airlines
Deal found 26/3£199
Tue 22/408:40LCY - RNS
1 stop6h 20mKLM
Tue 29/416:35RNS - LCY
1 stop4h 05mKLM
Deal found 25/3£202
Tue 22/413:10LTN - RNS
1 stop25h 15mMultiple Airlines
Tue 29/416:35RNS - LTN
2 stops16h 25mMultiple Airlines
Deal found 25/3£214
Sat 4/1018:30LTN - RNS
1 stop25h 35measyJet
Mon 6/1011:55RNS - LTN
1 stop12h 05measyJet
Deal found 26/3£237
Wed 2/408:55LHR - RNS
2 stops7h 50mAir France
Thu 3/410:30RNS - LHR
1 stop9h 05mAir France
Deal found 25/3£288
Thu 3/710:00LCY - RNS
1 stop6h 15mMultiple Airlines
Mon 7/714:55RNS - LCY
2 stops17h 20mMultiple Airlines
Deal found 26/3£348
Thu 29/517:40SEN - RNS
1 stop16h 25mMultiple Airlines
Sun 1/614:10RNS - SEN
1 stop21h 15mMultiple Airlines
Deal found 25/3£485

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 26 March 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 7/5

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Wed 14/5

16:15-16:30

Nonstop1h 15m

£74

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Wed 14/5

08:50-15:25

1 stop5h 35m

Rennes St Jacques

Wed 21/5

16:15-16:30

Nonstop1h 15m

£142

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Tue 22/4

08:40-16:00

1 stop6h 20m

Rennes St Jacques

Tue 29/4

16:35-20:55

1 stop5h 20m

£183

LondonRennes

STN - RNS

STNRNS

London Stansted

Wed 7/5

09:05-15:25

1 stop5h 20m

Rennes St Jacques

Wed 14/5

16:00-21:15

1 stop6h 15m

£184

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Sat 10/5

19:45-09:35

1 stop12h 50m

Rennes St Jacques

Sat 17/5

16:50-20:55

1 stop5h 05m

£199

LondonRennes

LCY - RNS

LCYRNS

London City

Tue 22/4

08:40-16:00

1 stop6h 20m

Rennes St Jacques

Tue 29/4

16:35-19:40

1 stop4h 05m

£202

LondonRennes

LTN - RNS

LTNRNS

London Luton

Tue 22/4

13:10-15:25

1 stop25h 15m

Rennes St Jacques

Tue 29/4

16:35-08:00

2 stops16h 25m

£214

LondonRennes

LTN - RNS

LTNRNS

London Luton

Wed 14/5

18:15-11:35

1 stop16h 20m

Rennes St Jacques

Wed 21/5

12:40-22:55

1 stop11h 15m

£272

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Mon 21/4

19:45-11:05

1 stop14h 20m

Rennes St Jacques

Tue 22/4

14:55-07:55

2 stops18h 00m

£314

LondonRennes

LCY - RNS

LCYRNS

London City

Thu 3/7

10:00-17:15

1 stop6h 15m

Rennes St Jacques

Mon 7/7

14:55-07:15

2 stops17h 20m

£348

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 25 results
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2
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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 21 March 2025.

To ensure you get the cheapest price possible for a flight from London to Rennes, you should look to book at least 87 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 26 March 2025.

It’s optimal to fly from London to Rennes in the morning. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the evening.

Rainfall in Rennes by month

Plan your trip to Rennes by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rennes ranges from 38.0 - 75.0 inches per month. October is typically the wettest month, when rainfall can reach 75.0 mm. August is typically the driest time to visit Rennes when rainfall is around 38.0 mm.

Temperature in Rennes by month

Plan your trip to Rennes by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rennes, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

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 26 March 2025.
To help decide which airline to fly from London to Rennes, see what other customers have to say about KLM, Air France and Aer Lingus. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,319 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,319 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,423 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,062 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
easyJet
6.9
Okay
1,792 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 (£74), KLM (£183), and Air France (£314) offers the cheapest pricing from London to Rennes. easyJet is currently priced 39% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London to Rennes one-way?

    £46 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on KLM and Air France, with prices starting from £99 and £127, respectively.

  • 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 Stansted - Rennes St Jacques or London Gatwick - 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 2 airlines flying from London to Rennes

Discover the top 2 airlines 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£55Average£126FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Air FranceCheapest£214Average£378FlexibilityNo cancel feeOn-time77%
Search Air France flights

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