41 € Cheap Flights from Grenoble to London Luton

Compare Grenoble to London Luton flight deals

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

Book the best London Luton fare with no extra fees

Flight deals from Grenoble to London Luton

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

Find the cheapest month to fly from Grenoble to London Luton

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

Direct flights from Grenoble to London Luton

Grenoble to London Luton: Alternative routes

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

Grenoble to London: Flight information

The things to know before you go.
Cheapest flight found41 €
Cheapest month to flyFebruary
Average flight time1 hr, 49 mins
Most popular airlineeasyJet
Average flights per week5

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

The best price we found for a return flight from Grenoble to London Luton is 41 €. 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 49 minutes is the average flight time from Grenoble to London Luton.
easyJet, Ryanair and Wizz Air UK fly direct from Grenoble to London Luton.
As of September 2025, there are 5 flights per week flying from Grenoble to London Luton.
The cheapest month to fly from Grenoble to London Luton is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Grenoble Airport to London Luton Airport on Saturday, 28 February 2026.
Yes – the average flight time is 1 hour and 49 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 London Luton 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 London 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 London Luton.

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

  • The average duration of a direct flight from Grenoble-Isere Airport to London Luton Airport is 1 hour 50 minutes.

  • London's timezone is UTC+0, which makes London one hour behind Grenoble.

  • Flights from GNB to LTN start from 09:40 — the earliest with easyJet. The latest departure is at 21:10 with easyJet. Overall, you can take your pick of three weekly Grenoble-Isere Airport to London Luton Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to board your GNB to LTN flight.

  • Flying during a peak time like March? Major public holidays and other high seasons can lead to longer queues and delays at security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • A range of airlines operate direct flights from Grenoble-Isere Airport to London Luton Airport, so jetting off to London (and then discovering more of United Kingdom!) is easy. Popular carriers that fly nonstop include:

  • The airline most travellers fly with on this route is Ryanair.

  • The carrier with the most consistent on-time arrivals for GNB to LTN flights is Ryanair.

  • If you'd like to add a stop to your trip, simply deselect 'Direct flights only' when searching for your ticket from Grenoble-Isere Airport to London Luton Airport. These are the most popular stopovers between GNB and LTN:

    • Dublin Airport

    • Edinburgh Airport

    • Vilnius International Airport

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

  • At the moment, 19 € is the cheapest price we've seen for a one-way Grenoble-Isere Airport to London Luton Airport flight. The best price for a return plane ticket is 41 €. Keep in mind that fares can change due to availability at the time of booking.

  • Book four months before travelling. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from GNB to LTN.

  • Organise your trip for March. That's the cheapest month for flights from Grenoble-Isere Airport to London Luton Airport. If you're flexible with your dates, use the 'Whole month' tool to see the cheapest price across each month.

  • You won't have to check every day to find out if fares have gone down when you create a Price Alert. We'll update you as soon as there's a better deal on cheap flights from GNB to LTN.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Grenoble-Isere Airport to London Luton Airport.

Handy information about Grenoble-Isere Airport (GNB)

  • Grenoble-Isere Airport is about 48 kilometres from central Grenoble. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 35 minutes or so to arrive, depending on the traffic.

  • Booked an early flight from Grenoble-Isere Airport to London Luton Airport? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to GNB:

Arriving at London Luton Airport (LTN)

Getting from London Luton Airport (LTN) to central London

  • London Luton Airport to central London has a drive time of around 1 hour 15 minutes. It's approximately 56 kilometres away.

  • It typically takes 1 hour 20 minutes to get there using public transport.

When to fly to London Luton Airport (LTN)

  • The quietest month for a flight from Grenoble-Isere Airport to London Luton Airport is January, while August is the busiest. Pick the best time to go to London based on whether you prefer a faster pace or a more relaxed vibe.

  • Before locking in your flight from Grenoble-Isere Airport to London Luton Airport, think about the kind of weather you enjoy. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • For cooler conditions, search for a cheap ticket from GNB to LTN in January. Average temperatures are between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United Kingdom

  • You've visited London, now it's time to explore more of United Kingdom. Journey about 161 kilometres north-west to Birmingham to check off its leading sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, you'll have a full itinerary ahead.

  • Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. Experience the best of this destination with a visit to Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.