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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London to Rennes St Jacques are usually found in March or September, booked 73 days in advance, depart on a Wednesday or Saturday 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 2 July 2025.
Round-trip from | £74 |
---|---|
One-way from | £34 |
Popular in | August |
Cheapest in | March |
Average price | £183 |
Good round-trip deal | £155 or less |
Good one-way deal | £107 or less |
Find flight deals from London to Rennes
Cheapest flights from London to RennesExplore 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 2025.
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 2025.
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 2025.
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
LondonRennes
LGW - RNS
LGWRNS
London Gatwick
Sun 21/9
13:25-15:40
Nonstop1h 15m
Rennes St Jacques
Fri 26/9
17:40-17:45
Nonstop1h 05m
LondonRennes
LGW - RNS
LGWRNS
London Gatwick
Fri 29/8
14:15-16:30
Nonstop1h 15m
Rennes St Jacques
Sat 30/8
18:50-08:15
1 stop14h 25m
LondonRennes
LHR - RNS
LHRRNS
London Heathrow
Wed 10/9
06:30-16:00
1 stop8h 30m
Rennes St Jacques
Tue 18/11
11:05-21:25
1 stop11h 20m
LondonRennes
STN - RNS
STNRNS
London Stansted
Fri 5/9
22:50-18:10
1 stop18h 20m
Rennes St Jacques
Fri 19/9
20:15-23:40
1 stop4h 25m
LondonRennes
LHR - RNS
LHRRNS
London Heathrow
Fri 15/8
20:55-10:45
1 stop12h 50m
Rennes St Jacques
Fri 22/8
17:50-20:55
1 stop4h 05m
LondonRennes
LCY - RNS
LCYRNS
London City
Wed 10/9
09:20-16:00
1 stop5h 40m
Rennes St Jacques
Tue 18/11
14:20-17:20
1 stop4h 00m
LondonRennes
LTN - RNS
LTNRNS
London Luton
Wed 20/8
10:00-15:25
1 stop4h 25m
Rennes St Jacques
Wed 27/8
16:00-22:10
1 stop7h 10m
LondonRennes
LHR - RNS
LHRRNS
London Heathrow
Sat 19/7
19:45-09:35
1 stop12h 50m
Rennes St Jacques
Mon 4/8
11:45-18:35
1 stop7h 50m
LondonRennes
LCY - RNS
LCYRNS
London City
Tue 15/7
07:45-21:55
2 stops13h 10m
Rennes St Jacques
Fri 18/7
11:20-18:30
1 stop8h 10m
LondonRennes
SEN - RNS
SENRNS
London Southend
Fri 25/7
11:05-21:45
2 stops9h 40m
Rennes St Jacques
Sun 27/7
10:15-15:20
1 stop6h 05m
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.
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 27 June 2025.
To ensure you get the cheapest price possible for a flight from London to Rennes, you should look to book at least 72 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 2 July 2025.
It’s optimal to fly from London to Rennes in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at midday.
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 2025.
See what other customers who have flown with KLM, Air France, andAer Lingus 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.
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Anonymous,Jun 2025
AMS - BOS
Related info for your journey
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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.
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 2025.
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