Cheap Flights from Grenoble to Belfast

Compare Grenoble to Belfast flight deals

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Flight deals from Grenoble to Belfast

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

Find the cheapest month to fly from Grenoble to Belfast

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

Alternative Grenoble to Belfast routes

Looking for the cheapest, fastest or easiest route from Grenoble to Belfast? You could fly into the following airports instead.

Grenoble to Belfast: Flight information

The things to know before you go.
Cheapest flight foundRs19,854
Cheapest month to flyFebruary

Finding cheap flights from Grenoble to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from Grenoble to Belfast is Rs50,259. 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 Grenoble to Belfast. But we found flights with one or more stops from Rs50,259.
As of October 2025, there are no flights flying from Grenoble to Belfast.
The cheapest month to fly from Grenoble to Belfast is usually December.
If you're flying from Grenoble Airport, the cheapest airport near Belfast is Belfast International – which is 19.6 km away from the centre of Belfast. We've found flights into this airport from Rs50,259.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Grenoble Airport to Belfast on Friday, 5 December 2025.
No airlines currently offer direct flights between Grenoble Airport and Belfast. 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 Belfast 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 Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In October, the average temperature is usually around 10°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
Currently, Ryanair offers the cheapest flight tickets to Belfast.

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

  • The timezone in Belfast is UTC+0. The city is one hour behind Grenoble, where Grenoble-Isere Airport is located.

  • Allow plenty of time to catch your GNB to Belfast flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Delays at check-in and security are likely if you're jetting off during high season, so give yourself some extra breathing room. A good general rule for peak periods? Get there up to four hours early for international flights and two hours for domestic departures.

  • Stopovers are the ideal opportunity to break up your trip and perhaps even explore a different city. When browsing for flight tickets from GNB to Belfast, uncheck the 'Direct flights only' box to see where you can stop along the way. Top options include:

    • London Heathrow Airport (LHR)

    • London Gatwick Airport (LGW)

    • Edinburgh Airport (EDI)

  • Central Grenoble to GNB is around 40 kilometres. Depending on traffic, it'll take you about 35 minutes to reach there if you're driving, catching a cab or ride-sharing.

  • Booked an early flight from Grenoble-Isere Airport to Belfast? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near GNB:

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

  • The best price we've seen for a one-way Grenoble-Isere Airport to Belfast flight is Rs19,854. The cheapest price for a return flight is Rs50,259. Keep in mind fares can change due to demand at the time of booking.

  • Don't leave things to the last moment. You're more likely to pick up cheap flights from GNB to Belfast if you book ahead. Airlines often have some fantastic early bird deals.

  • If you're willing to be flexible with your trip dates, check out the 'Whole month' search tool. It'll show you the cheapest price across every month when searching for your Grenoble-Isere Airport to Belfast ticket.

  • Save time looking for cheap flights from GNB to Belfast by setting up a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Choose your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Grenoble-Isere Airport to Belfast by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) to the centre of Belfast takes about 30 minutes by car. The centre is roughly 32 kilometres away.

  • If you're taking public transport, expect a journey time of around 2 hours.

  • Consider staying in a hotel near BFS if you're coming in on a late flight from Grenoble-Isere Airport to Belfast. Choose one of these options and make your first night all about catching up on rest:

  • Hit the road running by picking up a Belfast International Airport rental car. Grab your wheels from Budget, Drivalia or Dollar and explore beyond Belfast's usual tourist stops.

  • Lock in the best deal by booking your vehicle from Belfast International Airport about three weeks before your flight from GNB to Belfast.

George Best Belfast City Airport (BHD)

  • The centre of Belfast is about 8 kilometres from George Best Belfast City Airport (BHD). Once your flight from Grenoble-Isere Airport to Belfast has hit the runway and you've navigated your way to arrivals, the drive should be around 10 minutes.

  • You can expect the journey to take about 20 minutes on public transport.

  • After stepping off your GNB to Belfast flight, settle in at a hotel close to BHD. These are some great accommodation options that'll help you switch to relaxation mode:

  • The fastest way to reach your destination is with a George Best Belfast City Airport rental car. Collect a set of wheels from Budget, Sixt or Alamo and hit the road in a heartbeat.

  • Lock in the lowest price by securing your ride from BHD two weeks in advance. You can also expect to have a wider range of vehicles.

Best time to go to Belfast

  • Before booking your flights from Grenoble-Isere Airport to Belfast, consider which time of year is best for you. Peak season in Belfast offers a bustling atmosphere and plenty to do, while the off-season brings better hotel deals and smaller crowds.

  • Book a Grenoble-Isere Airport to Belfast flight ticket with a departure in July if you're eager to experience the city during its warmest month. Expect temperatures to range from 10ºC to 19ºC.

  • January has average temperatures of between 1ºC and 8ºC. Look for a cheap ticket from GNB to Belfast around that time if you'd rather travel in cooler conditions.

More about Belfast

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in Belfast right here. Browse these hotels after locking in your flight from Grenoble-Isere Airport to Belfast:

  • Crumlin Road Gaol Visitor Attraction and Conference Centre and Titanic Belfast are just a couple of the top-rated attractions to put on your Belfast itinerary. Keep the momentum going by heading to Botanic Gardens.

Explore more of United Kingdom

  • Belfast has plenty to offer, but there are so many other parts of United Kingdom waiting to be discovered. Around 354 kilometres south-east of Belfast, a trip to Birmingham will fill your itinerary to the brim. Start with popular sights like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Around 418 kilometres south-east of Belfast, Bristol is another favourite stop in United Kingdom. No visit is complete without checking out 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.