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Cheap flights from London to Rennes from £34

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — RNS
1 Aug — 8 Aug1
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 45 days in advance, depart on a Wednesday or Monday 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 2 July 2026.

Tue 25/819:15
LGW
-
RNS
Nonstop1h 15m
easyJet
Thu 27/820:25
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 29/6£78
Sun 6/913:25
LGW
-
RNS
Nonstop1h 15m
easyJet
Sun 13/916:25
RNS
-
LGW
Nonstop1h 10m
easyJet
Deal found 30/6£90
Wed 26/812:35
LGW
-
RNS
Nonstop1h 15m
easyJet
Thu 27/820:25
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 28/6£91
Fri 25/914:15
LGW
-
RNS
Nonstop1h 15m
easyJet
Sun 27/916:25
RNS
-
LGW
Nonstop1h 10m
easyJet
Deal found 30/6£92
Thu 9/717:10
LGW
-
RNS
Nonstop1h 15m
easyJet
Tue 14/722:00
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 1/7£101
Tue 7/719:15
LGW
-
RNS
Nonstop1h 15m
easyJet
Tue 14/722:00
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 1/7£106
Wed 1/712:35
LGW
-
RNS
Nonstop1h 15m
easyJet
Fri 3/717:10
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 28/6£111
Mon 28/913:10
LGW
-
RNS
Nonstop1h 15m
easyJet
Fri 2/1017:10
RNS
-
LGW
Nonstop1h 05m
easyJet
Deal found 29/6£112
Fri 6/1118:05
LGW
-
RNS
Nonstop1h 15m
easyJet
Mon 9/1115:40
RNS
-
LGW
Nonstop1h 15m
easyJet
Deal found 29/6£119
Tue 15/922:00
STN
-
RNS
2 stops17h 55m
Multiple Airlines
Sat 19/912:40
RNS
-
STN
1 stop11h 35m
Multiple Airlines
Deal found 1/7£155
Sun 4/1019:00
STN
-
RNS
1 stop12h 05m
Multiple Airlines
Thu 8/1017:45
RNS
-
STN
1 stop7h 00m
Multiple Airlines
Deal found 29/6£161
Sun 6/919:45
STN
-
RNS
1 stop11h 35m
Multiple Airlines
Sun 13/912:25
RNS
-
STN
2 stops19h 55m
Multiple Airlines
Deal found 30/6£166

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 2 July 2026.

Round-trip from

£78

One-way from

£34

Popular in

April

Cheapest in

January

Average price

£209

Good round-trip deal

£144 or less
easyJet
  • easyJet
  • 26/8-27/8
  • Nonstop
  • 2h 20m total
  • London to Rennes
Search Deals
easyJet
  • easyJet
  • 25/8
  • Nonstop
  • 1h 15m total
  • London to Rennes
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip 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 2 July 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

Wed 26/8

12:35-14:50

Nonstop1h 15m

Rennes St Jacques

Thu 27/8

20:25-20:30

Nonstop1h 05m

£78

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Mon 28/9

13:10-15:25

Nonstop1h 15m

Rennes St Jacques

Fri 2/10

17:10-17:15

Nonstop1h 05m

£112

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

£130

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Wed 5/8

12:35-14:50

Nonstop1h 15m

Rennes St Jacques

Tue 18/8

22:00-22:05

Nonstop1h 05m

£143

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

£147

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Tue 14/7

19:15-21:30

Nonstop1h 15m

Rennes St Jacques

Tue 21/7

22:00-22:05

Nonstop1h 05m

£151

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Mon 17/8

13:10-15:25

Nonstop1h 15m

Rennes St Jacques

Tue 18/8

22:00-22:05

Nonstop1h 05m

£165

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sun 12/7

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Wed 15/7

15:25-15:35

Nonstop1h 10m

£187

LondonRennes

LTN - RNS

LTNRNS

London Luton

Sun 4/10

19:25-08:05

1 stop11h 40m

Rennes St Jacques

Thu 8/10

10:30-17:20

1 stop7h 50m

£191

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Tue 14/7

06:30-17:35

1 stop10h 05m

Rennes St Jacques

Fri 17/7

11:05-21:25

1 stop11h 20m

£218

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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 £97). 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 2 July 2026.

It’s optimal to fly from London to Rennes in the afternoon. By choosing this option you can save up to 41% 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 40 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 2 July 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
1,914 reviews
Check prices

Entertainment

5.5

Crew

7.7

Food

5.9

Comfort

6.8

Boarding

6.7

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
1,914 reviews
easyJet
6.9
Okay
1,914 reviews
Check prices

Entertainment

5.5

Crew

7.7

Food

5.9

Comfort

6.8

Boarding

6.7

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 Air France can get you from London to Rennes in just under 1h 15m. Your travel time can differ by up to 12h 20m. 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 (£59), offers the cheapest pricing from London to Rennes. easyJet is currently priced 59% 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.

  • 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 £97). 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

Browse thousands of different options on Cheapflights for your next trip

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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 2 July 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£59Average£166FlexibilityNo cancel feeOn-time86%
Search easyJet flights

Fly with Cheapflights

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