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Cheap flights from Grenoble to Belfast Intl Airport from £107

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
GNB — BFS
1 Sep — 8 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Grenoble to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Grenoble to Belfast Intl
Explore the most affordable flight options available from Grenoble to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 August 2026.

Mon 28/1211:40
GNB
-
BFS
1 stop9h 30m
easyJet
Sun 3/109:25
BFS
-
GNB
1 stop6h 10m
easyJet
Deal found 2/8£305

Find flight deals from Grenoble to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Grenoble (GNB) to Belfast Intl (BFS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 August 2026.

Round-trip from

£214

One-way from

£107

Popular in

August

Cheapest in

October

Average price

£389
21/1-24/1
  • 21/1-24/1
  • 3 total stops
  • 25h 00m total
  • Grenoble to Belfast
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easyJet
  • easyJet
  • 10/12
  • 1 total stop
  • 9h 30m total
  • Grenoble to Belfast
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Grenoble to Belfast Intl 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 2 August 2026.
Use the filters below to find and compare flights from Grenoble to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Fri 8/1

10:50-19:50

1 stop10h 00m

Belfast Intl

Sun 10/1

07:00-15:10

1 stop7h 10m

£204

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Thu 21/1

15:00-07:50

2 stops17h 50m

Belfast Intl

Sun 24/1

07:00-15:10

1 stop7h 10m

£214
Fastest return journey

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Mon 28/12

11:40-20:10

1 stop9h 30m

Belfast Intl

Sun 3/1

09:25-16:35

1 stop6h 10m

£305
Cheapest one-way
Fastest single journey

GrenobleBelfast

GNB - BFS

GNBBFS

Grenoble

Thu 10/12

11:05-19:35

1 stop9h 30m

£107

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Sorted by cheapest first

Best time to book a flight from Grenoble to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Grenoble to Belfast Intl. 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 Belfast Intl?

    For a flight from Grenoble to Belfast Intl, you will be flying from Grenoble. Grenoble (GNB) is just 22.6 mi from the center of the city. Grenoble is the only Grenoble airport and it handles 0 outbound flights to Belfast Intl per day. 0 airlines have flights to Belfast Intl from Grenoble on a regular basis.

  • How long is the flight from Grenoble to Belfast Intl Airport?

    Departing from Grenoble to Belfast Intl Airport will take you 9h 30m. Airlines will cover a distance of 819 mi.

  • Can I find deals for flights from Grenoble to Belfast Intl that include hotel bookings?

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

  • How can I find direct flights from Grenoble to Belfast Intl?

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

  • Can I find deals for business class flights from Grenoble to Belfast Intl?

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

See more FAQs

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry

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Alternative routes for Grenoble to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
Lyon to Belfast Intl flights
Lyon to Belfast City flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Grenoble to Belfast Intl?

Cheapflights helps you search for flights from Grenoble to Belfast Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Grenoble to Belfast Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Grenoble to Belfast Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Grenoble to Belfast Intl with no change fees?

Certainly. Search results for flights to Belfast Intl from Grenoble shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Grenoble to Belfast Intl become cheaper?

Yes, Cheapflights offers price alerts on Grenoble to Belfast Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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