C$115 Cheap Flights from Belfast (BELF) to Grenoble (GNB)

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Flight deals from Belfast to Grenoble

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

Find the cheapest month to fly from Belfast to Grenoble

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

Belfast to Grenoble: Alternative routes

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

Belfast to Grenoble: Flight information

The things to know before you go.
Cheapest flight foundC$115
Cheapest month to flyJanuary

Finding cheap flights from Belfast to Grenoble: Frequently asked questions

The best price we found for a return flight from Belfast to Grenoble is C$235. 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 Belfast to Grenoble. But we found flights with one stop from C$235.
As of April 2026, there are no flights flying from Belfast to Grenoble.
The cheapest month to fly from Belfast to Grenoble is usually January.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Grenoble Airport on Saturday, January 23, 2027.
No airlines currently offer direct flights between Belfast 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 easyJet .

Flying from Belfast to Grenoble-Isere Airport (GNB): what you need to know

  • Start your travel planning by considering where you'll board your flight from Belfast to Grenoble-Isere Airport (GNB). Belfast International Airport (BFS) and George Best Belfast City Airport (BHD) are the main airports in Belfast.

  • The timezone in Grenoble is UTC+1, which is 1 hour ahead of Belfast. Grenoble-Isere Airport is located in Grenoble.

  • Give yourself enough time to get on your flight from Belfast to GNB. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as August, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during high season in general.

Airports in Belfast

Belfast International Airport (BFS)

  • A stopover is the ideal opportunity to break up your trip — and maybe even explore another city. When searching for flights from Belfast to GNB leaving from Belfast International Airport (BFS), deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:

    • Manchester Airport (MAN)

    • Birmingham International Airport (BHX)

    • Stansted Airport (STN)

  • BFS is roughly 32 kilometres from central Belfast. To help you work out how to get there, use Google Maps. This essential traveller tool will show you the best route and your public transport options.

  • Want a handy hotel near Belfast International Airport? If you're catching an early flight from Belfast to Grenoble-Isere Airport, these accommodation options will have you sleeping moments from your check-in counter:

George Best Belfast City Airport (BHD)

  • Visit friends or family or just take a moment to refresh yourself with a stopover. If you'd like to split up your flight from Belfast to Grenoble-Isere Airport, check out these options when setting off from George Best Belfast City Airport:

    • London Luton Airport (LTN)

    • London Gatwick Airport (LGW)

    • Edinburgh Airport (EDI)

  • BHD is about 8 kilometres from central Belfast. It'll take 12 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 22 minutes.

  • You're going on vacation, so why not book an additional night away? Consider kicking back in one of these accommodation options near George Best Belfast City Airport the day before your flight from Belfast to GNB:

About Grenoble-Isere Airport (GNB)

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

  • Grenoble-Isere Airport is approximately 48 kilometres from central Grenoble. With a car rental or if you're catching a cab, the drive is around 34 minutes.

How to find the cheapest flights from Belfast to Grenoble-Isere Airport (GNB)

  • Book a one-way ticket from Belfast to Grenoble-Isere Airport from C$115 or travel return from just C$235. Fares listed are subject to change and may differ when you make your booking.

  • It's often best to book early if you want to get flight tickets from Belfast to GNB. That's because airlines change prices based on demand, which tends to increase closer to the departure date.

  • The 'Whole month' tool shows you the cheapest tickets from Belfast to Grenoble-Isere Airport across the entire month. It's an easy way to find a bargain if your travel plans are flexible.

  • Set up a Price Alert for flight tickets from Belfast to GNB. There's no need to search every day to see whether prices have dropped. We'll let you know when the price changes.

  • Tailor your flights with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Belfast to Grenoble-Isere Airport.

The best time to fly from Belfast to Grenoble-Isere Airport (GNB)

  • March is the most popular month for flights from Belfast to Grenoble-Isere Airport. To skip the crowds, travel to Grenoble in October when it's quieter.

  • The warmest month in Grenoble is July, with the temperature ranging between 12ºC and 29ºC. Lock in your flights from Belfast to GNB in this month if you enjoy this type of weather.

  • Look for cheap flights from Belfast to Grenoble-Isere Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC and 8ºC on average.

More about Grenoble

  • When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Grenoble right here. Browse these options once you've locked in your flight from Belfast to Grenoble-Isere Airport:

  • There are so many things to do and see in this city it can be difficult to know where to start. Fort de la Bastille, Musée de Grenoble and Musee de la Resistance et de la Deportation de l'Isere are major attractions which should feature on any well-planned Grenoble itinerary.

Complete your Grenoble trip with a car rental

  • We use the same magic that helped you find your cheap flight from Belfast to Grenoble-Isere Airport to track down your ideal ride. Check out our car rentals in Grenoble and easily compare your options. Plus we give you all the info you need to know, from the most popular car type to the average daily price.

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