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CA $79 Cheap Flights from Grenoble (GNB) to London (LTN)

View CA $79 flight on Sat, Dec 12, 2026Opens in a new window

Popular airlines from Grenoble (GNB-Grenoble - Isere) to Luton Airport (LTN)

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Cheap flights from Grenoble (GNB) to London (LTN)

Prices were available within the past 7 days and start at CA $79 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

Which airlines fly direct from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton)?
Enter GNB to LTN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton)?
To find a cheap flight from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton)?
There are approximately 2 nonstop flights per day from Grenoble - Isere (GNB) to London Luton (LTN). This means you have direct options to get to your destination quickly. For even more choice, look at flights that include layovers.
What is the earliest flight from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from GNB to LTN. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton)?
Direct flights from GNB to LTN usually take about 1 hour 50 minutes, traveling roughly 520 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton)?
Select the "Business class" and "First class" filters when looking for GNB to LTN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton) flight with Expedia?
It's easy to earn miles on a Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London from Grenoble - Isere (GNB)?
When traveling from Grenoble - Isere (GNB) to London, you can fly into Gatwick (LGW) and Stansted (STN). Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton) at the last minute?
Typically, booking a last minute flight from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton) flight and hotel package?
Securing a Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton)?
If you booked your Grenoble (GNB-Grenoble - Isere) to London (LTN-Luton) flight within 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Grenoble - Isere
Destination airport
Luton
Distance
832 km

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Saint-Etienne-de-Saint-Geoirs to Luton Flights

The easy way to book your flights from Grenoble to London 

With Expedia, it’s simple to find and book flights to London from Grenoble whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 1 airlines that cover this route. There are nonstop flights to Luton, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Grenoble to London today, tomorrow, or this week.  

 

Save dollars with cheap flights from Grenoble - Isere, GNB to Luton, LTN 

Sort your search results by price to find great deals on your flight from Grenoble to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Grenoble currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to London  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to London from Grenoble 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today.

Saint-Etienne-de-Saint-Geoirs to Luton Flights

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