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Cheap flights from London to Grenoble

LON — GNB
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from London to Grenoble are usually found in March or January, booked 62 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from London to Grenoble

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Grenoble (GNB). 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 30 April 2025.

Popular in

July

Cheapest in

March

Average price

£228
Highest demand for flights based on searches. 22% potential increase in price (£30 potential increase over avg. return price).
Cheapest flight prices on average. 9% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in April 2025

Best time to book a flight from London to Grenoble

Have a flexible travel schedule? Discover the best time to fly to Grenoble 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 Grenoble

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

Use this chart to determine the optimal time to book a return flight from London to Grenoble. Price data was last updated on 25 April 2025.

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Grenoble. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest time of day to fly from LON to GNB?

Find hourly flight availability from London to Grenoble. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

It’s optimal to fly from London to Grenoble in the morning. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight at midday.

Rainfall in Grenoble by month

Plan your trip to Grenoble by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Grenoble ranges from 50.0 - 76.0 inches per month. May is typically the wettest month, when rainfall can reach 76.0 mm. March is typically the driest time to visit Grenoble when rainfall is around 50.0 mm.

Temperature in Grenoble by month

Plan your trip to Grenoble by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Grenoble, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Related info for your journey

Find useful and relevant information for your journey from London to Grenoble. 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 Grenoble from London?

    Grenoble (GNB) is the airport you will fly into if you book a flight from London to Grenoble. You should not have trouble finding flights to Grenoble 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 4 airlines have flights to the Grenoble airport from London. It is only a 22.6 mi journey from Grenoble (GNB) to Grenoble’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Grenoble by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 4 airlines flying from London to Grenoble

Discover the top 4 airlines that operate flights from London to Grenoble. 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£22Average£75FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£45Average£169FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£46Average£129FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£84Average£248FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Grenoble?

When you search for this flight from London to Grenoble, 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.

Why should you use Cheapflights to find cheap flight tickets from London to Grenoble?

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 Grenoble from London.

Can Cheapflights find flights from London to Grenoble with no change fees?

Yes! Cheapflights helps users easily find flights from London to Grenoble with no change fees.

Can Cheapflights notify me if prices for flights from London to Grenoble become cheaper?

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

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