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Cheap flights from London to Rennes from £42

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — RNS
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Rennes St Jacques are usually found in January or March, booked 40 days in advance, depart on a Monday or Wednesday and return on a Tuesday

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 15 June 2026.

Thu 9/717:10
LGW
-
RNS
Nonstop1h 15m
easyJet
Tue 28/722:00
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 14/6£110
Thu 9/717:10
LGW
-
RNS
Nonstop1h 15m
easyJet
Thu 16/720:25
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 13/6£110
Wed 28/1017:20
LGW
-
RNS
Nonstop1h 15m
easyJet
Sun 1/1116:50
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 14/6£112
Thu 9/717:10
LGW
-
RNS
Nonstop1h 15m
easyJet
Tue 14/722:00
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 15/6£113
Thu 9/717:10
LGW
-
RNS
Nonstop1h 15m
easyJet
Wed 22/715:25
RNS
-
LGW
Nonstop1h 10m
easyJet
Deal found 10/6£115
Wed 22/712:35
LGW
-
RNS
Nonstop1h 15m
easyJet
Tue 28/722:00
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 11/6£116
Mon 14/913:10
LGW
-
RNS
Nonstop1h 15m
easyJet
Fri 18/917:10
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 14/6£117
Mon 10/813:10
LGW
-
RNS
Nonstop1h 15m
easyJet
Thu 20/820:25
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 14/6£119
Fri 4/914:15
LGW
-
RNS
Nonstop1h 15m
easyJet
Sun 6/916:25
RNS
-
LGW
Nonstop1h 10m
easyJet
Deal found 11/6£119
Thu 23/717:10
LGW
-
RNS
Nonstop1h 15m
easyJet
Tue 28/722:00
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 11/6£120
Tue 28/719:15
LGW
-
RNS
Nonstop1h 15m
easyJet
Tue 4/822:00
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 13/6£121
Mon 13/715:20
LHR
-
RNS
1 stop18h 00m
Multiple Airlines
Mon 20/718:05
RNS
-
LHR
1 stop14h 35m
Multiple Airlines
Deal found 15/6£157

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 15 June 2026.

Round-trip from

£110

One-way from

£42

Popular in

April

Cheapest in

January

Average price

£180

Good round-trip deal

£119 or less

Good one-way deal

£56 or less
easyJet
  • easyJet
  • 9/7-28/7
  • Nonstop
  • 2h 20m total
  • London to Rennes
Search Deals
easyJet
  • easyJet
  • 20/9
  • Nonstop
  • 1h 15m total
  • London to Rennes
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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 15 June 2026.
Use the filters below to find and compare flights from London to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Thu 9/7

17:10-19:25

Nonstop1h 15m

Rennes St Jacques

Tue 14/7

22:00-22:05

Nonstop1h 05m

£113

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Thu 23/7

17:10-19:25

Nonstop1h 15m

Rennes St Jacques

Tue 28/7

22:00-22:05

Nonstop1h 05m

£120

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Tue 11/8

19:15-21:30

Nonstop1h 15m

Rennes St Jacques

Tue 18/8

22:00-22:05

Nonstop1h 05m

£134

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Mon 27/7

12:55-15:10

Nonstop1h 15m

Rennes St Jacques

Fri 31/7

17:10-17:15

Nonstop1h 05m

£136

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Wed 12/8

12:35-14:50

Nonstop1h 15m

Rennes St Jacques

Thu 20/8

20:25-20:30

Nonstop1h 05m

£139

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Tue 18/8

19:15-21:30

Nonstop1h 15m

Rennes St Jacques

Sun 23/8

16:15-16:25

Nonstop1h 10m

£154

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sun 19/7

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Thu 23/7

20:25-20:30

Nonstop1h 05m

£157

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Mon 6/7

13:10-15:25

Nonstop1h 15m

Rennes St Jacques

Wed 8/7

15:25-15:35

Nonstop1h 10m

£159

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Mon 13/7

13:10-15:25

Nonstop1h 15m

Rennes St Jacques

Mon 20/7

16:15-16:25

Nonstop1h 10m

£160

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Fri 24/7

14:15-16:30

Nonstop1h 15m

Rennes St Jacques

Wed 29/7

15:25-15:35

Nonstop1h 10m

£162

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

Currently, November is the cheapest month in which you can book a flight from London to Rennes (average of £24). Flying from London to Rennes in July is currently the most expensive (average of £96). 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 15 June 2026.

It’s optimal to fly from London to Rennes in the afternoon. By choosing this option you can save up to 42% 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?

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

To ensure you get the cheapest price possible for a flight from London to Rennes, you should look to book at least 37 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.

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 15 June 2026.
See what other customers who have flown with 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.
easyJet
6.9
Okay
1,907 reviews
Check prices

Boarding

6.7

Crew

7.7

Entertainment

5.5

Comfort

6.8

Food

5.9

Overall

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

LTN - LEI

Staff professional and friendly Plane clean and comfortable One passenger had problem with his seat and the crew sorted it immediately.
easyJet
6.9
Okay
1,907 reviews
easyJet
6.9
Okay
1,907 reviews
Check prices

Boarding

6.7

Crew

7.7

Entertainment

5.5

Comfort

6.8

Food

5.9

Overall

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

LTN - LEI

Staff professional and friendly Plane clean and comfortable One passenger had problem with his seat and the crew sorted it immediately.

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 6h 45m. 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 (£58), 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 Luton - 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, November is the cheapest month in which you can book a flight from London to Rennes (average of £24). Flying from London to Rennes in July is currently the most expensive (average of £96). 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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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 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£58Average£161FlexibilityNo cancel feeOn-time86%
Search easyJet flights

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