Question 1

What are the cheapest airlines flying from London Heathrow Airport to Rennes round-trip?

Accepted Answer

Cheapflights users have booked flights from London Heathrow Airport to Rennes round-trip from £177. Other airlines that can offer you cheap pricing are Air France, from £195, and Aer Lingus, from £307. These flights start at 30% lower than the current average price 3 months from now.

Question 2

What are the cheapest airlines to fly from London Heathrow Airport to Rennes one-way?

Accepted Answer

The cheapet airlines for a one-way flight from London Heathrow Airport to Rennes are KLM (£100), Air France (£113), and Aer Lingus (£164).

Question 3

What is the cheapest day to fly from London Heathrow Airport to Rennes?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Rennes flight should consider departing on Thursday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Rennes ranges from 38.0 - 75.0 inches per month. October is typically the wettest month, when rainfall can reach 75.0 mm. August is typically the driest time to visit Rennes when rainfall is around 38.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Rennes, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

Question 6

What is the cheapest day to fly round-trip from London Heathrow Airport to Rennes?

Accepted Answer

Sunday flights are generally found to be more expensive for flights from London Heathrow Airport to Rennes. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Rennes.

Question 7

How far in advance should I book a flight from London Heathrow Airport to Rennes?

Accepted Answer

Users have found that booking a flight from London Heathrow Airport to Rennes at least 48 days early can save you up to 53% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Rennes for as little as £82 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £121 for flights departing within the next 3 days.

Question 8

What is the cheapest month to fly from London Heathrow Airport to Rennes?

Accepted Answer

The best pricing can be found in the month of March. Prices to Rennes from London Heathrow Airport average £119. You can even find prices in March for less than £119, as users have found deals to Rennes from as low as £44. The month of August appears to be one of the more expensive times to travel to Rennes from London Heathrow Airport. Flying in the targeted month can save you up to 54%.

Question 9

What is the cheapest time of day to fly from LHR to RNS?

Accepted Answer

It’s optimal to fly from London Heathrow Airport to Rennes at midday. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

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

Question 12

How can I find direct flights from Heathrow to Rennes?

Accepted Answer

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

Question 13

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

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow 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.

Question 14

How does Cheapflights help users find flights from Heathrow to Rennes?

Accepted Answer

When you search for this flight from Heathrow to Rennes, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 15

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Rennes?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Rennes from Heathrow.

Question 16

Can Cheapflights find flights from Heathrow to Rennes with no change fees?

Accepted Answer

Need flexible booking options for your flight to Rennes from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 17

Can Cheapflights notify me if prices for flights from Heathrow to Rennes become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Rennes from Heathrow today and book when prices fit your budget.

Round-trip from	£177
One-way from	£79
Popular in	July
Cheapest in	September
Average price	£168

Cheap flights from London Heathrow Airport to Rennes from £79

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Heathrow to RennesExplore the most affordable flight options available from Heathrow to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2025.

Explore the most affordable flight options available from Heathrow to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2025.

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Best time to book a flight from Heathrow to Rennes

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

What is the cheapest time of day to fly from LHR to RNS?

Find hourly flight availability from Heathrow 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 27 June 2025.

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 27 June 2025.

Get a feel of what it's like to fly with KLM, Air France, andAer Lingus from London Heathrow Airport to Rennes by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

What are the cheapest airlines flying from London Heathrow Airport to Rennes round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Rennes one-way?

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

How can I find direct flights from Heathrow to Rennes?

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

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How does Cheapflights help users find flights from Heathrow to Rennes?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Rennes?

Can Cheapflights find flights from Heathrow to Rennes with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Rennes become cheaper?

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Cheapest flights from Heathrow to Rennes
Explore the most affordable flight options available from Heathrow to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2025.