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Cheap flights from Grenoble to Northern Ireland from £165

GNB — BFS
15 Oct — 22 Oct1
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

Sun 6/1211:40 -
1 stop5h 30m
Sun 13/1206:55 -
1 stop7h 15m
Deal found 15/9£170
Sun 6/1210:25 -
1 stop5h 20m
Sun 13/1209:25 -
1 stop6h 10m
Deal found 15/9£174
Tue 29/1215:55 -
1 stop5h 15m
Sat 2/108:10 -
1 stop9h 05m
Deal found 12/9£198

Find flight deals from Grenoble to Northern Ireland

Round-trip from

£165

Popular in

May

Cheapest in

December

Average price

£279
7/1-10/1
  • 7/1-10/1
  • 2 total stops
  • 15h 10m total
  • Grenoble to Northern Ireland
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Highest demand for flights based on searches. 3% potential increase in price (£7 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Grenoble to Northern Ireland that are best for you.

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Route

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Cheapest return flight

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Thu 7/1

15:00-22:00

1 stop8h 00m

Belfast Intl

Sun 10/1

07:00-15:10

1 stop7h 10m

£165
Fastest return journey

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Sun 6/12

11:40-16:10

1 stop5h 30m

Belfast Intl

Sun 13/12

06:15-15:10

2 stops7h 55m

£188

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Tue 29/12

15:55-20:10

1 stop5h 15m

Belfast Intl

Sat 2/1

08:10-18:15

1 stop9h 05m

£198

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Fri 5/3

10:50-19:50

1 stop10h 00m

Belfast Intl

Wed 10/3

20:50-10:00

1 stop12h 10m

£202

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Sat 6/2

09:45-18:35

1 stop9h 50m

Belfast Intl

Sat 13/2

13:00-18:50

1 stop4h 50m

£275

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Sorted by cheapest first

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

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Related info for your journey

  • 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.

  • How long is the flight from Grenoble to Northern Ireland?

    There are many flights that can get you from Grenoble to Northern Ireland in 5h 15m. Fly via easyJet to get the fastest option. The distance from Grenoble to Northern Ireland is about 819 mi.

  • 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.

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