Cheap Flights from Grenoble to London

Compare Grenoble to London flight deals

Find the cheapest month or even day of the year to fly to London

Book the best London fare with no extra fees

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.ر.ق.‏ 82 per passenger.Departing Sat, 24 Jan.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departs from Grenoble on Sat, 24 Jan, arriving in London Luton.Price includes taxes and charges.From ر.ق.‏ 82, select.

London.ر.ق.‏ 84 per passenger.Departing Sat, 7 Feb.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departs from Grenoble on Sat, 7 Feb, arriving in London Luton.Price includes taxes and charges.From ر.ق.‏ 84, select.

London.ر.ق.‏ 84 per passenger.Departing Sat, 7 Mar.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departs from Grenoble on Sat, 7 Mar, arriving in London Luton.Price includes taxes and charges.From ر.ق.‏ 84, select.

London.ر.ق.‏ 84 per passenger.Departing Sat, 6 Dec.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departs from Grenoble on Sat, 6 Dec, arriving in London Luton.Price includes taxes and charges.From ر.ق.‏ 84, select.

London.ر.ق.‏ 211 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 Gatwick.Price includes taxes and charges.From ر.ق.‏ 211, 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 January.

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

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	ر.ق.‏ 82
Cheapest month to fly	January
Average flight time	1 hr, 46 mins
Most popular airline	easyJet
Average flights per week	24

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 ر.ق.‏ 164. 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 August 2025, there are 24 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 February.

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 44.6 km away from the centre of London. We've found flights into this airport from ر.ق.‏ 164.

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, 14 February 2026.

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 August, the average temperature is usually around 17°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.

Flying from Grenoble-Isere Airport (GNB) to London: what you need to know

The average time for a direct flight from Grenoble-Isere Airport to London is 1 hour 55 minutes.
The timezone in London is UTC+0. The city is one hour behind Grenoble, where Grenoble-Isere Airport is located.
With two weekly flights between the two airports, Grenoble-Isere Airport (GNB) to Stansted Airport (STN) is the busiest route. EasyJet operates the earliest flight at 09:25. If you'd like to get more out of your day before taking off, the latest departure from GNB to STN is with easyJet at 21:00.
For a relaxed start to your GNB to London flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours before international departures and an hour before domestic flights is the standard rule.
Heading off during a peak period like a bank holiday? Expect longer lines at security and check-in. To be on the safe side, arrive up to four hours before international flights and two hours before domestic departures.
You can travel nonstop from GNB to London. Choose from these arrival points when searching for a Grenoble-Isere Airport to London ticket:
- London Heathrow Airport (LHR)
- London Gatwick Airport (LGW)
- Stansted Airport (STN)
A number of airlines offer direct flights from Grenoble-Isere Airport to London. The most popular include:
We make it easy to book flight tickets from GNB to London with a stopover. To see all your options, deselect 'Direct flights only.' Next, choose a flight with a stop long enough to explore the city of your choice. The most sought-after stopovers include:
- Dublin Airport (DUB)
- Manchester Airport (MAN)
- Frederic Chopin Airport (WAW)
GNB is around 40 kilometres from central Grenoble. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 35 minutes or so to get there, depending on traffic conditions.
Want a relaxed start to your journey? Stay near GNB. Whether you're taking an early flight from Grenoble-Isere Airport to London or don't want departure day to feel hectic, these hotels are just the thing:

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

ر.ق.‏ 82 is the lowest price we've found for a one-way Grenoble-Isere Airport to London flight. A return ticket right now is ر.ق.‏ 164. Depending on the availability when you book, these fares can change.
Get cheap flights from GNB to London by booking nine months ahead. According to our research, that's the best time for landing a bargain.
The best month for scoring cheap Grenoble-Isere Airport to London tickets is January. Use the 'Whole month' tool to compare flight prices, then select the dates that offer the biggest savings.
You don't need to check in daily to see if fares have dropped when you create a Price Alert. We'll update you when there's an even bigger deal on cheap flights from GNB to London.
Snag an affordable flight from Grenoble-Isere Airport to London with the help of our filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to the centre of London takes about 55 minutes by car. The centre is roughly 31 kilometres away.
Getting to the centre by public transport takes around 1 hour.
If you're coming in on a late flight from Grenoble-Isere Airport to London, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and sleeping soon after at one of these accommodation options near LHR:
Pick up a London Heathrow Airport rental car and explore London and beyond with your own set of wheels. Surprice, U-Save and Green Motion are well-known companies you can book with here.
Booking your ride from London Heathrow Airport around one week in advance of your flight from GNB to London can help you secure the lowest rate.

London Gatwick Airport (LGW)

London Gatwick Airport (LGW) is roughly 80 kilometres from central London. Following your flight from Grenoble-Isere Airport to London, it'll take you around 1 hour 20 minutes to reach the heart of the city in a cab or ride-share.
Public transport will get you there in about 30 minutes.
Following your GNB to London flight, unwind at a hotel close to LGW. These are some great accommodation options that'll help you sink into relaxation mode:
No need to worry about public transport schedules or long cab lines. Grab a London Gatwick Airport rental car and blaze your own trail. Compare offers from Green Motion, U-Save and Drivalia.
Avoid last-minute price surges. Booking your ride three weeks before your arrival at LGW will help you save.

Stansted Airport (STN)

Head to the city centre after your flight from Grenoble-Isere Airport to London has arrived. Central London is around 64 kilometres from Stansted Airport (STN) and takes roughly 1 hour to reach by car.
If you use public transport, the journey takes around 1 hour 25 minutes.
If you don't want to travel to the centre, choose a hotel close to STN. Get settled at one of these stays after your GNB to London flight:
Start your journey without stressing about how to reach your destination with a Stansted Airport rental car. You can book a set of wheels from reliable companies here like Green Motion, Drivalia and Europcar.
About four weeks before your flight from Grenoble-Isere Airport to London is a good time to secure your ride from STN. You're more likely to land a better deal or score some early bird savings.

Best time to go to London

Before locking in your flights from Grenoble-Isere Airport to London, consider which time of year works best for you. Peak season in London offers a bustling atmosphere and plenty to do, while the low season brings cheaper hotel rates and smaller crowds.
Lock in a Grenoble-Isere Airport to London flight ticket with a departure in July if you want to visit the city during its warmest month. Expect temperatures to range from 11ºC to 26ºC.
January has average temperatures of between 0ºC and 9ºC. Search for a cheap ticket from GNB to London around that time if you want to travel when it's cooler.

More about London

Once you've booked your flight from Grenoble-Isere Airport to London, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring London:
There are so many things to do and see in this city it can be hard to figure out where to start. The British Museum, Big Ben and Buckingham Palace are popular attractions which should be on any well-planned London itinerary.

Explore more of United Kingdom

You've seen London, now it's time to discover other corners of United Kingdom. Journey around 161 kilometres north-west to Birmingham to check off its leading attractions. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you busy.
If you're looking to explore another great destination in United Kingdom, head for Bristol, roughly 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are the start of reasons to visit.