Cheap flights from Brussels to Grenoble

Compare Brussels to Grenoble flight deals

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

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Flight deals from Brussels to Grenoble Airport

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

Find the cheapest month to fly from Brussels to Grenoble

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

Brussels to Grenoble: Alternative routes

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

Brussels to Grenoble: Flight information

The things to know before you go.
Cheapest flight foundP11,207
Cheapest month to flyMarch

Finding cheap flights from Brussels to Grenoble: Frequently asked questions

The best price we found for a return flight from Brussels to Grenoble is P11,207. 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.
Currently, there are no airlines that fly direct from Brussels to Grenoble. But we found flights with one stop from P11,207.
As of March 2026, there are no flights flying from Brussels to Grenoble.
The cheapest month to fly from Brussels to Grenoble is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Grenoble Airport on Saturday, 14 March 2026.
No airlines currently offer direct flights between Brussels and Grenoble Airport. Most routes have one or more stops.
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.
The cheapest airline that flies to Grenoble is Ryanair .

Flying from Brussels to Grenoble Alpes Isere Airport (GNB): What you need to know

  • Grenoble (where Grenoble Alpes Isere Airport is located) and Brussels share the UTC+1 timezone. Same timezone means no confusion when scheduling your trip.

  • Leave enough time to get on your flight from Brussels to GNB. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Popular months like October or other peak seasons mean bigger queues and potential delays. Get a head start by arriving at the airport even earlier. Plan for at least four hours ahead of international flights and two hours before a domestic departure.

Airports in Brussels

Brussels Airport (BRU)

  • Think about adding a stopover to find cheap flights from Brussels to GNB. Simply uncheck 'Direct flights only' when searching for departures from Brussels Airport (BRU). Break up the journey at one of these airports:

    • London Heathrow Airport (LHR)

    • Warsaw Chopin Airport (WAW)

    • Birmingham Airport (BHX)

  • The journey from central Brussels to BRU takes around 20 minutes by public transport. If you ride-share, drive or take a taxi, you'll cover the 13 kilometers in 25 minutes or so, depending on traffic conditions.

  • Want an easy start to your break? Stay near Brussels Airport. Whether you have an early flight from Brussels to Grenoble Alpes Isere Airport or just don't like being rushed, these hotels are just what you're after:

  • Of the flights that depart from Brussels Airport, 72% land on schedule at their destination.

Brussels South Charleroi Airport (CRL)

  • Break up your flight from Brussels to Grenoble Alpes Isere Airport with a stop so you can stretch your legs or tick a new place off your list. Some top stopovers between Brussels South Charleroi Airport and GNB are:

    • Manchester Airport (MAN)

    • Warsaw Chopin Airport (WAW)

    • Edinburgh Airport (EDI)

  • CRL is around 56 kilometers from central Brussels. It'll take 55 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 1 hour 15 minutes.

  • Start your holiday sooner with an additional night away from home. Before catching your Brussels to GNB flight, kick back in one of these hotels close to Brussels South Charleroi Airport:

  • Brussels South Charleroi Airport has an on-time performance of 72%. This figure shows how frequently flights that take off from this airport arrive at their destination on time.

About Grenoble Alpes Isere Airport (GNB)

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

  • Central Grenoble is around 40 kilometers from Grenoble Alpes Isere Airport and takes about 45 minutes to reach by car. Explore your options for getting into the city, whether that's with a taxi, car hire or ride-share.

  • When travelling by public transport, expect a journey time of roughly 1 hour 20 minutes.

How to find the cheapest flights from Brussels to Grenoble Alpes Isere Airport (GNB)

  • The lowest price we've found for a one-way ticket from Brussels to Grenoble Alpes Isere Airport is P5,369. For a return flight on this route, the best price is P11,207. Depending on the availability and when you book, these fares can change.

  • To find cheap flights from Brussels to GNB, book in advance. Airlines usually offer their most competitively priced fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest Brussels to Grenoble Alpes Isere Airport tickets across each month. It's an easy way to snap up a bargain if your plans aren't set in stone.

  • Stay on top of deals for plane tickets from Brussels to GNB by creating a Price Alert. We'll send you an email or push notification on the app when prices go down.

  • Tailor your trip using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Brussels to Grenoble Alpes Isere Airport.

The best time to fly from Brussels to Grenoble Alpes Isere Airport (GNB)

  • It's time to work out when to book your flight from Brussels to Grenoble Alpes Isere Airport (GNB). February is the busiest month to travel to Grenoble. If a slower pace sounds more appealing, go in April.

  • Before locking in your Brussels to GNB plane ticket, consider what kind of weather works for you. July is the warmest month in Grenoble, with temperatures ranging from 12ºC (54ºF) to 29ºC (84ºF).

  • January has temperatures of between -6ºC (21ºF) and 8ºC (46ºF). Look for cheap tickets from Brussels to Grenoble Alpes Isere Airport around that time if you'd rather travel in cooler conditions.

More about Grenoble

  • When it comes to searching for somewhere to lay your head, you'll find the most popular stays in Grenoble right here. Explore these hotels after you've booked your flight from Brussels to Grenoble Alpes Isere Airport:

  • All great journeys should include a little sightseeing. Alps Mountain Guide, Cathedral of Notre Dame and Basilique du Sacré-Coeur are must-visits when exploring Grenoble.

Explore more of France

  • Grenoble has plenty to offer, but there are so many other parts of France just waiting to be discovered. Around 225 kilometers south of Grenoble, a trip to Marseille will keep you busy. Start with leading attractions like Les Calanques, Calanques National Park and Basilique Notre-Dame-de-la-Garde.

  • Nice is another sought-after destination in France and is around 241 kilometers southeast of Grenoble. No trip is complete without a visit to Vieux-Nice, Mission Promenade des Anglais and Promenade Des Anglais.

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