£39 Cheap Flights from Grenoble (GNB) to London (LHR)

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

Prices were available within the past 7 days and start at £39 for one-way flights and £226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
British Airways
British Airways
British Airways
British Airways
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Flight from Grenoble to London route information
Origin airport
Grenoble - Isere
Destination airport
Heathrow
Return price
£226
Distance
797 km

Compare flights from Grenoble to London easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Grenoble to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Grenoble - Isere to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Grenoble - Isere (GNB) to Heathrow (LHR) 

The easiest way to view the best deals on flights from Grenoble to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Grenoble - Isere to Heathrow start at just £226 and range up to £329.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Grenoble and London
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Grenoble to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Grenoble - Isere to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Grenoble - Isere Airport (GNB) to London Heathrow?
Start packing your bags, because round-trip flights from GNB to London Heathrow start from £226. That’s based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Grenoble Airport to Heathrow Airport (LHR)?
Most flights can be conveniently cancelled online, but whether you incur a fee differs between airlines. If you do need to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Grenoble Airport to London Heathrow that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Grenoble Airport to LHR flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Grenoble - Isere Airport (GNB) to Heathrow Airport?
The distance from Grenoble Airport (GNB) to London Heathrow (LHR) is just 800 kilometres. You’ll be disembarking the plane and collecting your bags from the carousel in no time.
Which airlines fly direct from GNB to London Heathrow?
Flying directly between GNB and Heathrow Airport isn’t possible at the moment. However, you’ll still be able to find a flight to Hounslow with at least one stop.
Are GNB to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Grenoble - Isere Airport (GNB) to Heathrow Airport are available up to a year before departure on Expedia. And although you may score a great last-minute deal, it’s not something you should count on. Also, booking your flights in advance means you’ll have more choices — and you can avoid getting caught in the dreaded middle seat! We’re constantly updating our fares to bring you the best bargains, so check back often for all the latest specials.
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