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Cheap flights from Rennes to London from £46

RNS — LON
24 Oct — 31 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Rennes St Jacques to London are usually found in January or March, booked 48 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Rennes to London

Enter your travel dates to find the best prices.

Cheapest flights from Rennes to London

Tue 8/1212:55 -
Nonstop1h 15m
Tue 15/1210:05 -
Nonstop1h 15m
Deal found 20/9£81
Fri 11/1220:50 -
Nonstop1h 05m
Tue 15/1210:05 -
Nonstop1h 15m
Deal found 23/9£81
Fri 6/1120:50 -
Nonstop1h 05m
Sun 8/1114:00 -
Nonstop1h 15m
Deal found 22/9£82
Fri 11/1220:50 -
Nonstop1h 05m
Wed 16/1217:35 -
Nonstop1h 15m
Deal found 23/9£83
Sat 12/1209:35 -
Nonstop1h 10m
Mon 14/1210:15 -
Nonstop1h 15m
Deal found 23/9£84
Fri 4/1220:50 -
Nonstop1h 05m
Fri 11/1205:55 -
Nonstop1h 15m
Deal found 23/9£84
Thu 12/1115:25 -
Nonstop1h 15m
Mon 16/1112:50 -
Nonstop1h 15m
Deal found 23/9£85
Fri 11/1220:50 -
Nonstop1h 05m
Mon 14/1210:15 -
Nonstop1h 15m
Deal found 23/9£86
Fri 4/1220:50 -
Nonstop1h 05m
Mon 7/1210:15 -
Nonstop1h 15m
Deal found 23/9£87
Thu 5/1115:25 -
Nonstop1h 15m
Mon 9/1112:50 -
Nonstop1h 15m
Deal found 21/9£88
Wed 28/1016:45 -
1 stop5h 05m
Sat 31/1019:20 -
1 stop14h 00m
Deal found 24/9£162
Thu 8/1011:05 -
1 stop3h 40m
Mon 12/1019:45 -
1 stop13h 35m
Deal found 21/9£173

Find flight deals from Rennes to London

Round-trip from

£81

One-way from

£46

Popular in

August

Cheapest in

January

Average price

£113
easyJet
  • easyJet
  • 8/12-10/12
  • Nonstop
  • 2h 30m total
  • Rennes to London
Search Deals
easyJet
  • easyJet
  • 31/10-31/12
  • Nonstop
  • 1h 15m total
  • Rennes to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Rennes to London that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Sat 31/10

11:35-11:50

Nonstop1h 15m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£46
Fastest return journey

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Fri 18/12

08:50-08:55

Nonstop1h 05m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£48

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Sun 22/11

16:45-16:50

Nonstop1h 05m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£49

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Mon 30/11

15:40-15:55

Nonstop1h 15m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£49

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Thu 19/11

15:25-15:40

Nonstop1h 15m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£49

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Mon 21/12

15:40-15:55

Nonstop1h 15m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£50

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Sun 20/12

20:20-20:25

Nonstop1h 05m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£51

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Fri 4/12

20:50-20:55

Nonstop1h 05m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Mon 12/10

15:05-15:15

Nonstop1h 10m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£66

RennesLondon

RNS Rennes St Jacques - LGW London Gatwick

RNSLGW

Rennes St Jacques

Sat 19/12

09:35-09:45

Nonstop1h 10m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£66

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Rennes to London

Have a flexible travel schedule? Discover the best time to fly to London from Rennes with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Rennes to London

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

Currently, January is the cheapest month in which you can book a flight from Rennes to London (average of £78). Flying from Rennes to London in August is currently the most expensive (average of £168). 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 RNS to LON?

Unlike in the evening, when flights are generally more expensive, you can save up to 41% on flights from Rennes to London by exploring options for tickets in the afternoon.

How much does it cost for a return flight from Rennes to London?

Airfare is below average for this route at the moment.
Rennes to London flights typically cost between £96 and £161 in December.
The cheapest return price found within the last 5 days was £81 on easyJet (8 Dec–12 Dec).

How often are flights from Rennes to London delayed?

About 16% of weekly flights between Rennes and London have experienced delays in the past year, with the average delay time being 94 minutes.

What is the most punctual flight time for Rennes to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Rennes to London flights?

Over the past year, easyJet have had the lowest number of delays on this route, with just 16% of flights being delayed.

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

The price you pay for your flight from Rennes to London may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

  • What airport do you fly from for flights from Rennes to London?

    Located just 4.0 mi from the city center, Rennes St Jacques is the airport most travelers will use when flying to London from Rennes. Booking flights from St Jacques (RNS) to London should be relatively easy as there are 0 daily outbound flights to London from 0 different airlines.

  • How long is the flight from Rennes to London?

    For as low as £81, easyJet can have you in London from Rennes in 1h 15m. There are 224 mi between Rennes and London. This flight may include one or multiple stops.

  • What are the most popular routes from Rennes to London?

    When deciding which route to take from Rennes to London consider Rennes St Jacques - London Gatwick, Rennes St Jacques - London Heathrow or Rennes St Jacques - London City as they are the most popular.

  • Can I find deals for flights from Rennes to London that include hotel bookings?

    Yes. In addition to deals on Rennes to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Rennes to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rennes to London.

  • Can I find deals for business class flights from Rennes to London?

    Yes. Cheapflights offers flight deals from Rennes to London 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 Rennes to London?

    Currently, January is the cheapest month in which you can book a flight from Rennes to London (average of £78). Flying from Rennes to London in August is currently the most expensive (average of £168). 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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