Cheap Flights from Grenoble (GNB) to London (LOND)

Compare Grenoble to London flight deals

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Flight deals from Grenoble to London

Looking for a cheap last-minute deal or the best return flight from Grenoble to London? Find the lowest prices on one-way and return tickets right here.

London.£16 per passenger.Departing Sat, 20 Mar.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departs from Grenoble on Sat, 20 Mar, arriving in London Gatwick.Price includes taxes and charges.From £16, select.

London.£16 per passenger.Departing Sat, 21 Nov.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departs from Grenoble on Sat, 21 Nov, arriving in London Luton.Price includes taxes and charges.From £16, select.

London.£19 per passenger.Departing Sat, 13 Feb.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departs from Grenoble on Sat, 13 Feb, arriving in London Luton.Price includes taxes and charges.From £19, select.

London.£28 per passenger.Departing Sat, 12 Dec.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Grenoble on Sat, 12 Dec, arriving in London Stansted.Price includes taxes and charges.From £28, select.

London.£31 per passenger.Departing Thu, 14 Jan.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Grenoble on Thu, 14 Jan, arriving in London Stansted.Price includes taxes and charges.From £31, select.

London.£46 per passenger.Departing Sat, 18 Apr.One-way flight with easyJet.Outbound direct flight with easyJet departs from Grenoble on Sat, 18 Apr, arriving in London Luton.Price includes taxes and charges.From £46, select.

London.£341 per passenger.Departing Sun, 4 Apr.One-way flight with Jet2.Outbound direct flight with Jet2 departs from Grenoble on Sun, 4 Apr, arriving in London Gatwick.Price includes taxes and charges.From £341, select.

Find the cheapest month to fly from Grenoble to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Grenoble to London flights are currently cheapest in November.

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Direct flights from Grenoble to London

Alternative Grenoble to London routes

Looking for the cheapest, fastest or easiest route from Grenoble to London? You could fly into the following airports instead.

Grenoble to London: Flight information

The things to know before you go.

Cheapest flight found	£16
Cheapest month to fly	November
Average flight time	1 hr, 46 mins
Most popular airline	easyJet
Average flights per week	15

Finding cheap flights from Grenoble to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Grenoble to London?

The best price we found for a return flight from Grenoble to London is £32. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Grenoble to London?

1 hour and 45 minutes is the average flight time from Grenoble to London.

Which airlines fly direct from Grenoble to London?

easyJet, Ryanair and BA Euroflyer fly direct from Grenoble to London.

How many flights are there a week from Grenoble to London?

As of April 2026, there are 15 flights per week flying from Grenoble to London.

When is the cheapest time to fly from Grenoble to London?

The cheapest month to fly from Grenoble to London is usually March.

Which is the cheapest airport to fly into in London?

If you're flying from Grenoble Airport, the cheapest airport near London is London Luton – which is 27.7 miles away from the centre of London. We've found flights into this airport from £32.

Which upcoming date is cheapest to fly from Grenoble Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Grenoble Airport to London on Saturday, 20 March 2027.

Can I get a direct flight from Grenoble Airport to London?

Yes – the average flight time is 1 hour and 45 minutes.

How can I get the best flight deal from Grenoble Airport to London?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in London?

In April, the average temperature is usually around 9°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly from Grenoble Airport to London with?

Currently, Wizz Air UK offers the cheapest flight tickets to London.

Travelling from Grenoble Alpes Isere Airport (GNB) to London: what you need to know

London is one hour behind Grenoble, where Grenoble Alpes Isere Airport is located. London follows the UTC+0 timezone.
The busiest route is from Grenoble Alpes Isere Airport (GNB) to London Gatwick Airport (LGW). There are three services every week between these two airports. If you want to get on your way as soon as possible, the earliest flight from GNB to LGW is the 09:25 easyJet service. If you're planning to fly out later on, the final departure is at 21:00 with easyJet.
For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your GNB to London flight.
During popular months like February, you'll want to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're flying during a peak period in general.
You can travel nonstop from GNB to London. Pick from these arrival points when searching for a Grenoble Alpes Isere Airport to London ticket:
- London Gatwick Airport (LGW)
- London Stansted Airport (STN)
- London Luton Airport (LTN)
These are some of the most well-known airlines offering direct flights from Grenoble Alpes Isere Airport to London:
We make it simple to book plane tickets from GNB to London with a stopover. To see the options, uncheck 'Direct flights only.' Next, pick a flight with a stop long enough to explore your chosen city. The most sought-after stopovers include:
- Dublin Airport (DUB)
- Manchester Airport (MAN)
- Warsaw Chopin Airport (WAW)
Located around 40 kms (25 miles) from the centre of Grenoble, GNB can be reached in about 45 minutes by car. The journey on public transport will take roughly 1 hour 20 minutes.
Want a leisurely start to your holiday? Stay near GNB. Whether you have an early flight from Grenoble Alpes Isere Airport to London or want to avoid feeling rushed, these hotels have you covered:
Of the flights that depart from Grenoble Alpes Isere Airport, 57% arrive on time at their destination.

How to find the cheapest flights from Grenoble Alpes Isere Airport (GNB) to London

£16 is currently the best price for a one-way Grenoble Alpes Isere Airport to London flight. Return plane tickets start from £32. These prices may change depending on availability and demand.
Book eight months before you want to fly. Pricing trends suggest that this is the ideal window for finding cheap flights from GNB to London.
January is the best month for landing an awesome deal on Grenoble Alpes Isere Airport to London tickets. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.
Spend less time searching for cheap flights from GNB to London by creating a Price Alert. You'll receive an email or push notification on the app when fares go down.
Tailor your flights with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Grenoble Alpes Isere Airport to London.

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to the centre of London takes about 45 minutes to reach by car. The centre is roughly 24 kms (15 miles) away.
If you're taking public transport, expect a journey time of around 25 minutes.
If you have a late flight from Grenoble Alpes Isere Airport to London, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these hotels near LHR:
Lock in the best possible rate by booking your vehicle from London Heathrow Airport around one week before your flight from GNB to London.

London Gatwick Airport (LGW)

Once your flight from Grenoble Alpes Isere Airport to London has hit the runway, you can get to the city centre in around 1 hour 5 minutes by car. Central London is roughly 48 kms (30 miles) from London Gatwick Airport (LGW).
Travelling by public transport will take around 1 hour 20 minutes.
Following your GNB to London flight, rest your head at a hotel close to LGW. These are some comfortable options that'll help you switch to relaxation mode:
Get first dibs on the best options. Securing your ride from LGW three weeks ahead of time often means better prices and a greater selection of vehicles.

London Stansted Airport (STN)

Set your sights on the city centre after your flight from Grenoble Alpes Isere Airport to London has arrived. Central London is about 56 kms (35 miles) from London Stansted Airport (STN) and takes roughly 1 hour 5 minutes to reach by car.
The journey will take you roughly 45 minutes when travelling by public transport.
Enjoy a quiet, low-key start to your break by checking in to a hotel near STN after your GNB to London flight. Unwind after a day of travel or just take a moment to find your footing in a new city at:
If you're searching for a specific model or make, lock in your ride from STN about four weeks before your flight from Grenoble Alpes Isere Airport to London. This gives you a better shot at getting your preferred car, along with a better price.

Best time to go to London

It's time to plan your dates for your flight from Grenoble Alpes Isere Airport to London. July is the most popular month to travel to London. If you like a quieter vibe, go in January.
The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Lock in your Grenoble Alpes Isere Airport to London plane ticket then if you enjoy this type of weather.
Search for cheap tickets from GNB to London in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

More about London

Once you've booked your flight from Grenoble Alpes Isere Airport to London, choose a hotel that puts you right where the action is. Make one of these options your base for exploring London:
All great holidays should include some sightseeing. Westminster Abbey, The British Museum and Big Ben are essential stops on your London itinerary.

Explore more of the United Kingdom

Manchester is just one of the many places in the United Kingdom waiting to be discovered after you've experienced London. Around 257 kms (160 miles) away to the northwest, its top attractions include Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
Birmingham is another sought-after destination in the United Kingdom and is around 161 kms (100 miles) northwest of London. No trip is complete without a visit to Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.