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Cheap flights from Grenoble to Northern Ireland from £63

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
GNB — BFS
20 Jan — 27 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Grenoble to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Grenoble to Northern Ireland
Explore the most affordable flight options available from Grenoble to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 December 2025.

Sun 28/1215:50GNB - BFS
1 stop7h 30mMultiple Airlines
Sun 4/120:45BFS - GNB
1 stop12h 50mMultiple Airlines
Deal found 21/12£193
Sat 27/1219:25GNB - BFS
1 stop14h 25mMultiple Airlines
Sat 3/105:45BFS - GNB
1 stop7h 25mMultiple Airlines
Deal found 21/12£197
Sat 20/1219:25GNB - BFS
1 stop14h 25mMultiple Airlines
Sat 27/1205:45BFS - GNB
1 stop11h 55mMultiple Airlines
Deal found 20/12£308

Find flight deals from Grenoble to Northern Ireland

Keep the following information in mind while searching for Grenoble to Northern Ireland flight deals. Data was last updated 21 December 2025.

Round-trip from

£99

One-way from

£63

Popular in

August

Cheapest in

January

Average price

£283
10/1-17/1
  • 10/1-17/1
  • 2 total stops
  • 28h 10m total
  • Grenoble to Northern Ireland
Search Deals
easyJet
  • easyJet
  • 21/3
  • 1 total stop
  • 8h 05m total
  • Grenoble to Northern Ireland
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Grenoble to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 December 2025.
Use the filters below to find and compare flights from Grenoble to Northern Ireland that are best for you.

Fly from

Grenoble

Fly to

Northern Ireland

Route

Depart

Return

Price

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Sat 10/1

09:25-22:45

1 stop14h 20m

Belfast Intl

Sat 17/1

23:10-14:00

1 stop13h 50m

£99

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Sat 21/3

19:25-08:50

1 stop14h 25m

Belfast Intl

Fri 27/3

21:30-10:25

1 stop11h 55m

£112

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Thu 12/3

15:00-22:50

1 stop8h 50m

Belfast Intl

Sun 15/3

20:45-10:35

1 stop12h 50m

£114

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Mon 16/2

11:15-21:55

1 stop11h 40m

Belfast Intl

Thu 19/2

21:05-09:50

1 stop11h 45m

£126

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Sat 3/1

09:25-22:45

1 stop14h 20m

Belfast Intl

Sat 10/1

23:10-14:00

1 stop13h 50m

£155

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Sat 21/3

13:25-20:30

1 stop8h 05m

£63

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Fri 20/3

11:55-07:40

1 stop20h 45m

£66

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Sun 28/12

12:00-21:40

1 stop10h 40m

£83

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Mon 5/1

11:15-20:10

1 stop9h 55m

£129

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Best time to book a flight from Grenoble to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Grenoble with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Grenoble to Northern Ireland

What is the cheapest month to book a flight from Grenoble to Northern Ireland?

Currently, February is the cheapest month in which you can book a flight from Grenoble to Northern Ireland (average of £81). Flying from Grenoble to Northern Ireland in August is currently the most expensive (average of £218). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Grenoble to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Grenoble to Northern Ireland?

    Grenoble (GNB), located 22.6 mi from the city center, is the airport you fly out of when you book flights from Grenoble to Northern Ireland.

  • Can I find deals for flights from Grenoble to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Grenoble to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Grenoble to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grenoble to Northern Ireland.

  • Can I find deals for business class flights from Grenoble to Northern Ireland?

    Yes. Cheapflights offers flight deals from Grenoble to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Grenoble to Northern Ireland?

    Currently, February is the cheapest month in which you can book a flight from Grenoble to Northern Ireland (average of £81). Flying from Grenoble to Northern Ireland in August is currently the most expensive (average of £218). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Grenoble to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Grenoble to Northern Ireland?

Deals for Grenoble to Northern Ireland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Not ready to book yet? You can track prices for flights from Grenoble to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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