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C$55 Cheap Flights from London Luton (LTN) to Grenoble (GNB)

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      Travellers and cabin class, 1 Adult, Economy
      easyJet
      Wizz Air UK
      Ryanair

      Compare London Luton to Grenoble flight deals

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

      Book the best Grenoble fare with no extra fees

      TrustScore 4.5 out of 5 4.5 out of 5 based on 1,041 reviews Trustpilot

      Flight deals from London Luton to Grenoble

      Looking for a cheap last-minute deal or the best return flight from London Luton to Grenoble? Find the lowest prices on one-way and return tickets right here.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from London Luton to Grenoble found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from London Luton to Grenoble

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Luton to Grenoble flights are currently cheapest in December.
      Sep.
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      Oct.
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      Nov.
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      Dec.
      from C$55
      Jan.
      from C$60
      Feb.
      from C$56
      Mar.
      from C$56
      Apr.
      from C$77
      May
      Find prices
      Jun.
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      Jul.
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      Aug.
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      Which airlines fly from London Luton to Grenoble?

      easyJet
      Ryanair
      Wizz Air UK

      London Luton to Grenoble: Alternative routes

      Compare routes from London Luton to Grenoble below. You may find an airport to fly into that's cheaper, faster, or easier than Grenoble.

      Grenoble

      37km from central Grenoble
      Closest
      from C$55
      Search flights

      Chambery

      52km from central Grenoble
      from C$183
      Search flights

      Lyon

      78km from central Grenoble
      Cheapest
      from C$37
      Search flights

      London to Grenoble: Flight information

      The things to know before you go.
      Cheapest flight foundC$55
      Cheapest month to flyDecember
      Average flight time1 hr, 46 mins
      Most popular airlineeasyJet
      Average flights per week6

      Finding cheap flights from London Luton to Grenoble: Frequently asked questions

      The best price we found for a return flight from London Luton to Grenoble is C$111. 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.
      1 hour and 46 minutes is the average flight time from London Luton to Grenoble.
      easyJet, Wizz Air UK and Ryanair fly direct from London Luton to Grenoble.
      As of September 2026, there are 6 flights per week flying from London Luton to Grenoble.
      The cheapest month to fly from London Luton to Grenoble is usually December.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Luton Airport to Grenoble Airport on Sunday, December 20, 2026.
      Yes – the average flight time is 1 hour and 46 minutes.
      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 Grenoble 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.

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

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

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

      • 1 hour 45 minutes is the average time for a direct flight from London Luton Airport to Grenoble-Isere Airport. Grenoble is 1 hour ahead of London and is in the UTC+1 timezone.

      • There are 3 flights from London Luton Airport to Grenoble-Isere Airport each week. Catch the 06:00 flight if you want to be on your way as early as possible. If you're keen to make the most of your day before leaving, the last flight from LTN to GNB is 21:10.

      • Be prepared for longer queues in popular months like August and other peak seasons. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

      • Jetting into Grenoble (and seeing more of France!) is straightforward with easyJet. This popular airline runs direct flights from London Luton Airport to Grenoble-Isere Airport.

      • Finding a stopover for flights from London Luton Airport to Grenoble-Isere Airport is simple with our handy search tool. Just deselect 'Direct flights only' to see all your available options. Edinburgh Airport is a popular stopover when journeying from LTN to GNB.

      • Remember, you may need a visa to enter France. Visa regulations can differ and travel documentation requirements change often. Before locking in your cheap ticket from LTN to GNB, be sure to check with your carrier and your destination country's local consulate or embassy for the latest information.

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

      • The lowest price we've found for a one-way ticket from London Luton Airport to Grenoble-Isere Airport is C$55. For a return flight on this route, the best price is C$111. Depending on the availability when you book, these fares could change.

      • To snag cheap flight tickets from LTN to GNB, reserve your trip 7 months before the departure date.

      • The cheapest month for flight tickets from London Luton Airport to Grenoble-Isere Airport is March. Use the 'Whole month' tool to find the lowest airfares if you have a flexible schedule.

      • Log into your online account or use the app to set up a Price Alert. You'll get notified right away if there's a cheaper deal on this route. It doesn't take long, and it'll save you from checking for cheap flight tickets from LTN to GNB every day.

      • Use filters to tailor your flights from London Luton Airport to Grenoble-Isere Airport. Simply enter your ideal arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to find the best deals.

      Handy information about London Luton Airport (LTN)

      • Located around 56 kilometres from central London, London Luton Airport can be reached in approximately 1 hour and 15 minutes by car (depending on traffic). The same journey by public transport takes roughly 1 hour and 21 minutes.

      • After a stress-free start to your trip? Stay near LTN. Whether you have an early flight from London Luton Airport to Grenoble-Isere Airport or just don't want to be rushed, these stays are just the thing:

      Arriving at Grenoble-Isere Airport (GNB)

      • If you're on a late flight from London Luton Airport to Grenoble-Isere Airport, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and sleeping soon after at one of these hotels near GNB:

      Getting from Grenoble-Isere Airport (GNB) to central Grenoble

      • Grenoble-Isere Airport is approximately 48 kilometres from central Grenoble. With your own car rental or in a cab, the drive is about 34 minutes.

      When to fly to Grenoble-Isere Airport (GNB)

      • March is the most popular month for flights from London Luton Airport to Grenoble-Isere Airport. To steer clear of the crowds, head to Grenoble in October.

      • When reserving your flight from London Luton Airport to Grenoble-Isere Airport, consider the kind of weather you like. July is the warmest month in Grenoble, with the temperature ranging from 12ºC to 29ºC.

      • If you like cooler conditions, search for a cheap ticket from LTN to GNB in January. Temperatures average between -6ºC and 8ºC then.

      More about Grenoble

      • If you're looking for somewhere to lay your head, you'll find the most popular stays in Grenoble right here. Browse these options as soon as you've booked your flight from LTN to GNB:

      • Every great journey has to include some sightseeing. Fort de la Bastille, Musée de Grenoble and Musee de la Resistance et de la Deportation de l'Isere are must-have experiences during your Grenoble visit.

      Complete your Grenoble trip with hotels and a car rental

      • We've got more party tricks than just comparing flights. Once you've booked your cheap ticket to Grenoble-Isere Airport, browse our great car rental offers that'll give you the flexibility and freedom to travel around at your own pace. Then, have a look at our exclusive rates for hotels to find the ideal Grenoble stay.

      Plan the rest of your trip from London to Grenoble

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.