In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from GNB to BFS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Grenoble to Belfast Intl Airport as you normally would.

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.

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.

£68+ Cheap Flights from Grenoble to Belfast Intl Airport

Cheap flight deals from Grenoble to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest

Best

One-way

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 21 October 2026.

Thu 10/1211:05 -

1 stop10h 40m

Sun 13/1206:55 -

1 stop7h 15m

Deal found 21/10£129

Mon 28/1211:40 -

1 stop9h 55m

Thu 31/1221:05 -

1 stop12h 10m

Deal found 17/10£156

Sat 26/1212:00 -

1 stop11h 35m

Wed 30/1220:50 -

1 stop12h 10m

Deal found 20/10£162

Thu 31/1215:00 -

1 stop6h 45m

Sun 3/106:55 -

1 stop8h 05m

Deal found 19/10£166

Sun 27/1211:40 -

1 stop21h 40m

Fri 1/121:05 -

1 stop10h 50m

Deal found 20/10£171

Sat 26/1219:15 -

1 stop5h 05m

Tue 29/1207:00 -

1 stop7h 05m

Deal found 17/10£172

Sun 27/1211:40 -

1 stop9h 55m

Sat 2/106:30 -

1 stop6h 50m

Deal found 20/10£181

Wed 30/1215:45 -

1 stop5h 25m

Sun 3/120:55 -

1 stop13h 00m

Deal found 20/10£191

Wed 30/1212:10 -

1 stop10h 30m

Sun 3/106:55 -

1 stop7h 15m

Deal found 20/10£204

Find flight deals from Grenoble to Belfast Intl

Round-trip from	£129
One-way from	£68
Popular in	June
Cheapest in	November
Average price	£229

10/12-13/12
2 total stops
17h 55m total
Grenoble to Belfast

Search Deals

27/12-31/12
1 total stop
16h 30m total
Grenoble to Belfast

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£46 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

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 Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Sun 27/12

16:50-08:20

1 stop16h 30m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£68

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Sat 5/12

09:50-17:10

1 stop8h 20m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£82

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Thu 11/3

15:00-20:45

1 stop6h 45m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£85

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Sat 17/4

20:00-09:25

1 stop14h 25m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£121

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Thu 10/12

11:05-20:45

1 stop10h 40m

Belfast Intl

Sun 13/12

06:55-15:10

1 stop7h 15m

£129

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Mon 28/12

11:40-20:35

1 stop9h 55m

Belfast Intl

Thu 31/12

21:05-10:15

1 stop12h 10m

£156

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Thu 4/3

15:00-20:45

1 stop6h 45m

Belfast Intl

Sun 7/3

06:55-16:00

1 stop8h 05m

£159

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Thu 31/12

15:00-20:45

1 stop6h 45m

Belfast Intl

Sun 3/1

06:55-16:00

1 stop8h 05m

£166

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Thu 11/3

15:00-20:45

1 stop6h 45m

Belfast Intl

Sun 14/3

06:55-15:10

1 stop7h 15m

£168

GrenobleBelfast

GNB Grenoble - BFS Belfast Intl

GNBBFS

Grenoble

Sun 27/12

11:40-08:20

1 stop21h 40m

Belfast Intl

Fri 1/1

21:05-08:55

1 stop10h 50m

£171

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 15 resultsSorted 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.

GNB-BFS

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

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.
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

Armagh

Newry

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Belfast Intl flight routes

Complete your trip

Direct flights to Northern Ireland

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Grenoble to Belfast Intl

Lyon to Belfast Intl flights

Lyon to Belfast City flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Grenoble to Belfast Intl Airport from £68

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Grenoble to Belfast Intl

Cheapest flights from Grenoble to Belfast IntlExplore 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 21 October 2026.

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 21 October 2026.

Best flights from Grenoble to Belfast IntlDiscover carefully curated flight deals from Grenoble to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 October 2026.

Discover carefully curated flight deals from Grenoble to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 October 2026.

One-way flights from Grenoble to Belfast IntlSearch for one-way flight options from Grenoble to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 21 October 2026.

Search for one-way flight options from Grenoble to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 21 October 2026.

Find flight deals from Grenoble to Belfast Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Grenoble to Belfast Intl Airport that are best for you.

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.

Related info for your journey

What airport do you fly from for flights from Grenoble to Belfast Intl?

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

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

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

Travelling to a place near Belfast Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Grenoble to Belfast Intl

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

Other flights to Belfast Intl

Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 October 2026.

Complete your trip

Complete your trip to Belfast Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Northern Ireland

Book a non-stop flight to one of these other cities located in Northern Ireland.

Search flights from Grenoble to Belfast Intl by cabin class

Find flights from Grenoble to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Grenoble and Belfast Intl flights

Browse other Grenoble and Belfast Intl flight options. Last updated on 21 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 21 October 2026.

Best flights from Grenoble to Belfast Intl
Discover carefully curated flight deals from Grenoble to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 October 2026.

One-way flights from Grenoble to Belfast Intl
Search for one-way flight options from Grenoble to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 21 October 2026.