$21 Flights from London Luton (LTN) to Grenoble (GNB)

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Flight deals from London Luton to Grenoble

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

Grenoble.$21 per passenger.Departing Sat, Jan 17.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departing from London Luton on Sat, Jan 17, arriving in Grenoble.Price includes taxes and charges.From $21, select.

Grenoble.$22 per passenger.Departing Sat, Feb 7.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departing from London Luton on Sat, Feb 7, arriving in Grenoble.Price includes taxes and charges.From $22, select.

Grenoble.$22 per passenger.Departing Sat, Mar 7.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departing from London Luton on Sat, Mar 7, arriving in Grenoble.Price includes taxes and charges.From $22, select.

Grenoble.$35 per passenger.Departing Wed, Apr 1.One-way flight with easyJet.Outbound direct flight with easyJet departing from London Luton on Wed, Apr 1, arriving in Grenoble.Price includes taxes and charges.From $35, select.

Grenoble.$50 per passenger.Departing Sat, Dec 19.One-way flight with Wizz Air UK.Outbound direct flight with Wizz Air UK departing from London Luton on Sat, Dec 19, arriving in Grenoble.Price includes taxes and charges.From $50, select.

Grenoble.$51 per passenger.Departing Sun, Jan 3.One-way flight with easyJet.Outbound direct flight with easyJet departing from London Luton on Sun, Jan 3, arriving in Grenoble.Price includes taxes and charges.From $51, select.

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 January.

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Direct flights from London Luton to Grenoble

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.

London to Grenoble: Flight information

The things to know before you go.

Cheapest flight found	$21
Cheapest month to fly	January
Average flight time	1 hr, 45 mins
Most popular airline	easyJet
Average flights per week	4

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

How much are round-trip flights from London Luton to Grenoble?

The best price we found for a round-trip flight from London Luton to Grenoble is $40. 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 London Luton to Grenoble?

1 hour and 45 minutes is the average flight time from London Luton to Grenoble.

Which airlines fly direct from London Luton to Grenoble?

easyJet, Ryanair and Wizz Air UK fly direct from London Luton to Grenoble.

How many flights are there a week from London Luton to Grenoble?

There are 4 flights per week flying from London Luton to Grenoble, as of January 2026.

When is the cheapest time to fly from London Luton to Grenoble?

The cheapest month to fly from London Luton to Grenoble is usually February.

Which upcoming date is cheapest to fly from London Luton Airport to Grenoble Airport on?

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 Saturday, February 28, 2026.

Can I get a direct flight from London Luton Airport to Grenoble Airport?

Yes – the average flight time is 1 hour and 45 minutes.

How can I find the best flight deal to Grenoble?

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.

When is the best time to book flights to Grenoble?

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.

Which is the cheapest airline to fly with from London Luton Airport to Grenoble?

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

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

Take a direct flight from London Luton Airport to Grenoble-Isere Airport and you'll be traveling for an average of 1 hour 45 minutes.
Grenoble's timezone is UTC+1, making Grenoble one hour ahead of London.
Choose from three weekly London Luton Airport to Grenoble-Isere Airport flights. The 06:00 departure with Wizz Air UK is the earliest available. EasyJet operates the latest service of the day at 17:40.
Arrive at the airport on time so you don't miss your LTN to GNB flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.
During popular months like August, it's a good idea to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during a peak period in general.
A range of airlines operate direct flights from London Luton Airport to Grenoble-Isere Airport, so jetting to Grenoble (and then visiting more of France!) is easy. Top carriers that fly nonstop include:
The airline that passengers book most often on this route is Ryanair.
The carrier with the most reliable on-time arrival rate for LTN to GNB flights is Ryanair.
If you'd like to discover a different city along the way, consider a flight with a stopover. To see all your options for tickets from London Luton Airport to Grenoble-Isere Airport, uncheck 'Direct flights only.' Dublin Airport is a well-known stop between LTN and GNB.

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

$21 is currently the best price for a one-way London Luton Airport to Grenoble-Isere Airport flight. Return flights start at $40. These prices can change depending on demand.
Book four months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from LTN to GNB.
Organize your trip for March. That's the cheapest month for flights from London Luton Airport to Grenoble-Isere Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the cheapest airfare across each month.
There's no need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll send you an update the moment the price changes on cheap flights from LTN to GNB.
Choose your preferred departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from London Luton Airport to Grenoble-Isere Airport.

Handy information about London Luton Airport (LTN)

72.75% of flights departing from London Luton Airport land at their destination on time.
London Luton Airport is around 35 miles from central London. If you're driving, catching a cab or ride-sharing from the center, it'll take 1 hour 15 minutes or so to arrive, depending on the traffic.
Catching public transport? Expect a journey time of around 1 hour 20 minutes.
Get your break off to a stress-free start by staying near LTN. Whether you're boarding an early flight from London Luton Airport to Grenoble-Isere Airport or just don't like being rushed, these stays are the answer:

Arriving at Grenoble-Isere Airport (GNB)

The last thing you need is a long trip to your hotel if you're arriving on a late London Luton Airport to Grenoble-Isere Airport flight. Reserve one of these accommodation options near GNB instead:
Grab a Grenoble-Isere Airport rental car and discover Grenoble and beyond with your own wheels. Budget, Avis and Hertz are leading providers to choose from here.
To get the best deal, book your ride from Grenoble-Isere Airport around two weeks before your trip.

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

Grenoble-Isere Airport is approximately 30 miles from the center of Grenoble. The drive time takes around 35 minutes.

When to fly to Grenoble-Isere Airport (GNB)

March is the busiest month for flights from London Luton Airport to Grenoble-Isere Airport. For a quieter experience, travel to Grenoble in June.
When booking 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 temperatures ranging from 54ºF to 84ºF.
January sees average temperatures of between 21ºF and 46ºF. Search for cheap tickets from LTN to GNB around that time if you want to travel when it's cooler.

Explore more of France

Grenoble is always a good idea, but there are so many other corners of France waiting to be explored. About 300 miles north-west of Grenoble, a trip to Paris will keep you on the move. Start with popular sights like Eiffel Tower, Louvre Museum and Cathédrale Notre-Dame de Paris.
If you want to check out another well-known destination in France, head for Marseille, roughly 130 miles south of Grenoble. Old Port of Marseille, Le Panier and Cathédrale La Major are highlights.