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Cheap flights from London to Rennes from £31

LON — RNS
19 Oct — 26 Oct1
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

Thu 5/1112:30 -
Nonstop1h 15m
Sun 8/1116:45 -
Nonstop1h 05m
Deal found 14/9£77
Fri 6/1118:05 -
Nonstop1h 15m
Sun 8/1116:45 -
Nonstop1h 05m
Deal found 14/9£79
Thu 12/1112:30 -
Nonstop1h 15m
Sun 15/1116:45 -
Nonstop1h 05m
Deal found 17/9£82
Thu 5/1112:30 -
Nonstop1h 15m
Mon 9/1115:40 -
Nonstop1h 15m
Deal found 15/9£85
Thu 5/1112:30 -
Nonstop1h 15m
Fri 6/1120:50 -
Nonstop1h 05m
Deal found 17/9£88
Mon 2/1112:50 -
Nonstop1h 15m
Mon 9/1115:40 -
Nonstop1h 15m
Deal found 18/9£96
Thu 19/1112:30 -
Nonstop1h 15m
Sun 22/1116:45 -
Nonstop1h 05m
Deal found 18/9£97
Wed 7/1017:50 -
1 stop13h 15m
Wed 14/1010:40 -
1 stop12h 35m
Deal found 15/9£129
Wed 14/1017:50 -
1 stop13h 15m
Wed 21/1010:40 -
1 stop12h 35m
Deal found 14/9£139
Wed 7/1015:35 -
2 stops15h 30m
Wed 14/1010:40 -
2 stops8h 25m
Deal found 15/9£143
Wed 14/1015:35 -
2 stops15h 30m
Wed 21/1010:40 -
2 stops8h 25m
Deal found 14/9£147
Fri 11/1207:45 -
1 stop8h 10m
Sun 13/1218:25 -
1 stop5h 40m
Deal found 17/9£150

Find flight deals from London to Rennes

Round-trip from

£77

One-way from

£31

Popular in

April

Cheapest in

January

Average price

£182

Good round-trip deal

£139 or less

Good one-way deal

£51 or less
easyJet
  • easyJet
  • 5/11-8/11
  • Nonstop
  • 2h 20m total
  • London to Rennes
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easyJet
  • easyJet
  • 6/11-31/12
  • Nonstop
  • 1h 15m total
  • London to Rennes
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£8 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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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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Cheapflights Fare Finder

 
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 London Gatwick - RNS Rennes St Jacques

LGWRNS

London Gatwick

Fri 27/11

18:05-20:20

Nonstop1h 15m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£33

LondonRennes

LGW London Gatwick - RNS Rennes St Jacques

LGWRNS

London Gatwick

Thu 12/11

12:30-14:45

Nonstop1h 15m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£34

LondonRennes

LGW London Gatwick - RNS Rennes St Jacques

LGWRNS

London Gatwick

Thu 26/11

12:30-14:45

Nonstop1h 15m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

LondonRennes

LGW London Gatwick - RNS Rennes St Jacques

LGWRNS

London Gatwick

Wed 30/9

12:35-14:50

Nonstop1h 15m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£43

LondonRennes

LGW London Gatwick - RNS Rennes St Jacques

LGWRNS

London Gatwick

Mon 19/10

13:10-15:25

Nonstop1h 15m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£46

LondonRennes

LGW London Gatwick - RNS Rennes St Jacques

LGWRNS

London Gatwick

Sun 27/9

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55

LondonRennes

LGW London Gatwick - RNS Rennes St Jacques

LGWRNS

London Gatwick

Sun 11/10

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55

LondonRennes

STN London Stansted - RNS Rennes St Jacques

STNRNS

London Stansted

Fri 27/11

11:00-17:05

1 stop5h 05m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£74

LondonRennes

LGW London Gatwick - RNS Rennes St Jacques

LGWRNS

London Gatwick

Mon 14/12

08:05-17:15

1 stop8h 10m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£77

LondonRennes

STN London Stansted - RNS Rennes St Jacques

STNRNS

London Stansted

Thu 1/10

20:30-09:50

1 stop12h 20m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£79

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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

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, January is the cheapest month in which you can book a flight from London to Rennes (average of £72). Flying from London to Rennes in April is currently the most expensive (average of £222). 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?

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?

Airfare is below average for this route at the moment.
London to Rennes flights typically cost between £107 and £214 in November.
The cheapest return price found within the last 5 days was £82 on easyJet (12 Nov–22 Nov).

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

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
1,930 reviews
Check prices

Comfort

6.8

Food

5.9

Boarding

6.7

Entertainment

5.5

Overall

6.9

Crew

7.7

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
easyJet
6.9
Okay
1,930 reviews
easyJet
6.9
Okay
1,930 reviews
Check prices

Comfort

6.8

Food

5.9

Boarding

6.7

Entertainment

5.5

Overall

6.9

Crew

7.7

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.

Related info for your journey

  • 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, KLM, and Air France can get you from London to Rennes in just under 1h 15m. Your travel time can differ by up to 20h 50m. 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 61% 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 City - 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, January is the cheapest month in which you can book a flight from London to Rennes (average of £72). Flying from London to Rennes in April is currently the most expensive (average of £222). 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

Top airline flying from London to Rennes

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£58Average£172FlexibilityNo cancel feeOn-time86%
Search easyJet flights

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