$70 Cheap Flights from Grenoble (GNB) to London (LGW)

View $70 flight on Sun, Feb 1, 2026Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Grenoble to London (GNB-LGW)

Prices were available within the past 7 days and start at $70 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Grenoble (GNB) to London (LGW)
Origin airport
Grenoble - Isere
Destination airport
Gatwick
Distance
473 mi

Grenoble to London Flights

The cheapest times to fly from Grenoble to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Grenoble to London are during the month of . You can find some of the cheapest flights from Grenoble to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Grenoble to London

Sunday is one of the best days to book for cheap flights from Grenoble to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Grenoble to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Grenoble to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Grenoble to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Grenoble to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW) cost?
You can land cheap return flights from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW) starting at $319. Snag a seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a easyJet and British Airways flight leaving GNB on April 26 2025 and touching down at LGW. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from GNB to LGW?
The cheapest flights from GNB to LGW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW)?
Take the express route to Gatwick Airport (LGW). 3 carriers offer nonstop flights from Grenoble - Isere Airport (GNB), including:

  • EasyJet
  • British Airways
  • Wizz Air UK

What is the cheapest airline that flies from GNB to LGW?
Fly from GNB to LGW with easyJet. This airline currently has the cheapest one-way ticket for this route, starting from $80. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GNB on April 26 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW)?
On average, there’s only 1 nonstop flight taking off from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW) every day. If this isn’t convenient for you, think about flights with layovers. Just customize your search on Expedia to include one or more stops to find the next best option.
What are the most popular departure times for flights from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW)?
Flights between GNB and LGW are their busiest at 11 AM. If you want a quieter trip and possibly cheaper tickets, choose a time when demand is lower.
What day of the week has the most flights from GNB to LGW?
Fly on a Saturday if you’re searching for the best choice of flights from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW).
What is the earliest flight from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW)?
Hop on the earliest flight at around 9:25AM UTC+1, departing from Grenoble - Isere Airport (GNB). You’ll be flying for roughly 1h 40m, coming in to land at Gatwick Airport (LGW) at approximately 10:05AM UTC+0.
How long does it take to fly from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW)?
Flights from GNB to LGW have an average travel time of 1 hour and 41 minutes. The distance between the two is 470 mi.
What is the best time to fly from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW)?
Choose a flight from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for London from Grenoble - Isere Airport (GNB)?
Catch a direct flight from Grenoble - Isere Airport (GNB) to London and touch down at one of these hubs:

  • Gatwick Airport (LGW)
  • Stansted Airport (STN)
  • Heathrow Airport (LHR)

Is it cheaper to buy a plane ticket from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW) last-minute?
Last-minute bookings from GNB to LGW are usually more expensive. To lock in the best rates, start searching for flights well ahead of time. That said, if you can play around with your travel dates, you may land a cheap ticket right before your journey.
Is it cheaper to book a GNB to LGW flight and hotel package?
You can save money by securing a GNB to LGW flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After choosing your ideal accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Grenoble - Isere Airport (GNB) to Gatwick Airport (LGW)?
If you reserved your GNB to LGW flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you’d like more information.

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