In terms of precipitation, rainfall in Ireland ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.

If weather is an important factor for your trip to Ireland, 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 are the most popular routes from Belfast Intl Airport to Ireland?

While some choose either Belfast Intl - Cork or Belfast Intl - Shannon, Belfast Intl - Dublin is the most popular route from Belfast Intl Airport to Ireland.

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

When flying from Belfast Intl Airport to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Belfast Intl to 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.

£44+ Cheap Flights from Belfast Intl Airport to Ireland

Cheap flight deals from Belfast Intl to Ireland

Enter your travel dates to find the best prices.

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Best

Last-minute

One-way

Cheapest flights from Belfast Intl to Ireland
Explore the most affordable flight options available from Belfast Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 August 2026.

Wed 7/1008:30 -

1 stop9h 20m

Wed 14/1006:30 -

1 stop5h 05m

Deal found 23/8£70

Thu 17/922:45 -

1 stop8h 30m

Thu 24/913:00 -

1 stop9h 20m

Deal found 20/8£71

Wed 7/1008:30 -

1 stop5h 10m

Wed 14/1017:15 -

1 stop6h 05m

Deal found 22/8£71

Wed 16/915:40 -

1 stop4h 50m

Wed 23/906:30 -

1 stop8h 45m

Deal found 19/8£72

Tue 6/1016:40 -

1 stop4h 40m

Tue 13/1007:55 -

1 stop23h 10m

Deal found 22/8£73

Thu 3/912:45 -

1 stop4h 10m

Mon 7/921:05 -

1 stop12h 55m

Deal found 19/8£74

Fri 25/919:55 -

1 stop4h 15m

Sun 27/923:10 -

1 stop9h 05m

Deal found 19/8£76

Thu 3/912:45 -

1 stop10h 40m

Thu 10/921:30 -

1 stop11h 00m

Deal found 19/8£78

Sat 19/920:15 -

1 stop11h 40m

Sat 26/906:55 -

1 stop14h 20m

Deal found 20/8£78

Thu 17/920:40 -

1 stop12h 45m

Thu 24/917:25 -

1 stop4h 55m

Deal found 20/8£78

Thu 1/1014:50 -

1 stop8h 30m

Mon 5/1006:30 -

1 stop5h 50m

Deal found 21/8£79

Sat 10/1020:15 -

1 stop12h 30m

Wed 14/1017:15 -

1 stop6h 05m

Deal found 22/8£79

Best flights from Belfast Intl to Ireland
Discover carefully curated flight deals from Belfast Intl to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Wed 16/915:40 -

1 stop4h 50m

Wed 23/906:30 -

1 stop8h 45m

Deal found 19/8£72

Wed 7/1019:55 -

1 stop3h 30m

Wed 14/1006:30 -

1 stop5h 05m

Deal found 23/8£74

Thu 3/912:45 -

1 stop4h 10m

Mon 7/921:05 -

1 stop12h 55m

Deal found 19/8£74

Tue 6/1016:40 -

1 stop6h 40m

Tue 13/1011:30 -

1 stop4h 45m

Deal found 22/8£75

Fri 25/919:55 -

1 stop4h 15m

Sun 27/923:10 -

1 stop9h 05m

Deal found 19/8£76

Sat 19/920:15 -

1 stop11h 40m

Sat 26/906:55 -

1 stop14h 20m

Deal found 20/8£78

Thu 17/920:40 -

1 stop12h 45m

Thu 24/917:25 -

1 stop4h 55m

Deal found 20/8£78

Thu 1/1014:50 -

1 stop8h 30m

Mon 5/1006:30 -

1 stop5h 50m

Deal found 21/8£79

Sat 10/1020:15 -

1 stop12h 30m

Wed 14/1017:15 -

1 stop6h 05m

Deal found 22/8£79

Tue 6/1016:40 -

1 stop4h 20m

Fri 9/1020:20 -

1 stop14h 25m

Deal found 21/8£82

Sat 3/1021:40 -

1 stop10h 50m

Fri 9/1020:20 -

1 stop14h 25m

Deal found 20/8£84

Fri 2/1019:55 -

1 stop12h 30m

Fri 9/1020:20 -

1 stop14h 25m

Deal found 18/8£84

Mon 7/906:30 -

1 stop9h 05m

Wed 9/917:00 -

1 stop6h 20m

Deal found 19/8£86

Mon 5/1006:40 -

1 stop13h 45m

Mon 12/1008:10 -

1 stop13h 20m

Deal found 21/8£91

Thu 3/922:45 -

1 stop21h 05m

Thu 10/908:30 -

1 stop6h 50m

Deal found 20/8£92

Sat 3/1006:20 -

1 stop11h 00m

Sat 10/1006:05 -

1 stop8h 10m

Deal found 20/8£96

Sat 3/1021:40 -

1 stop10h 50m

Sat 10/1006:55 -

2 stops14h 20m

Deal found 23/8£99

Find flight deals from Belfast Intl to Ireland

Round-trip from	£70
One-way from	£44

7/10-14/10
2 total stops
14h 25m total
Belfast to Ireland

Search Deals

15/9
1 total stop
6h 30m total
Belfast to Ireland

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 16/9

15:40-20:30

1 stop4h 50m

Dublin

Wed 23/9

06:30-15:15

1 stop8h 45m

£72

Fastest return journey

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 7/10

19:55-23:25

1 stop3h 30m

Dublin

Wed 14/10

06:30-11:35

1 stop5h 05m

£74

BelfastCork

BFS Belfast Intl - ORK Cork

BFSORK

Belfast Intl

Thu 3/9

12:45-16:55

1 stop4h 10m

Cork

Mon 7/9

21:05-10:00

1 stop12h 55m

£74

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Tue 6/10

16:40-23:20

1 stop6h 40m

Dublin

Tue 13/10

11:30-16:15

1 stop4h 45m

£75

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Fri 25/9

19:55-00:10

1 stop4h 15m

Dublin

Sun 27/9

23:10-08:15

1 stop9h 05m

£76

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Sat 19/9

20:15-07:55

1 stop11h 40m

Dublin

Sat 26/9

06:55-21:15

1 stop14h 20m

£78

BelfastCork

BFS Belfast Intl - ORK Cork

BFSORK

Belfast Intl

Thu 17/9

20:40-09:25

1 stop12h 45m

Cork

Thu 24/9

17:25-22:20

1 stop4h 55m

£78

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Thu 1/10

14:50-23:20

1 stop8h 30m

Dublin

Mon 5/10

06:30-12:20

1 stop5h 50m

£79

BelfastCork

BFS Belfast Intl - ORK Cork

BFSORK

Belfast Intl

Sat 10/10

20:15-08:45

1 stop12h 30m

Cork

Wed 14/10

17:15-23:20

1 stop6h 05m

£79

BelfastCork

BFS Belfast Intl - ORK Cork

BFSORK

Belfast Intl

Tue 6/10

16:40-21:00

1 stop4h 20m

Cork

Fri 9/10

20:20-10:45

1 stop14h 25m

£82

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from Belfast Intl to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Belfast Intl with our price prediction graph.

BFS-DUB

BFS-ORK

BFS-SNN

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 Belfast Intl Airport to Ireland

BFS-IE0

BFS-DUB

BFS-ORK

BFS-SNN

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

Related info for your journey

What are the most popular routes from Belfast Intl Airport to Ireland?
While some choose either Belfast Intl - Cork or Belfast Intl - Shannon, Belfast Intl - Dublin is the most popular route from Belfast Intl Airport to Ireland.
Can I find deals for flights from Belfast Intl to Ireland that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Ireland.
Can I find deals for business class flights from Belfast Intl to Ireland?
Yes. Cheapflights offers flight deals from Belfast Intl to 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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

Cheapflights helps you find that perfect flight to Ireland from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Ireland from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Belfast Intl to Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Belfast Intl Airport to Ireland from £44

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Ireland

Cheapest flights from Belfast Intl to IrelandExplore the most affordable flight options available from Belfast Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 August 2026.

Explore the most affordable flight options available from Belfast Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 August 2026.

Best flights from Belfast Intl to IrelandDiscover carefully curated flight deals from Belfast Intl to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Discover carefully curated flight deals from Belfast Intl to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Last-minute flights from Belfast Intl to IrelandDiscover last-minute flight deals from Belfast Intl to Ireland. Data last updated 24 August 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Ireland. Data last updated 24 August 2026 and is based on user searches.

One-way flights from Belfast Intl to IrelandSearch for one-way flight options from Belfast Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

Search for one-way flight options from Belfast Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

Find flight deals from Belfast Intl to Ireland

Round-trip from

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

Best time to book a flight from Belfast Intl to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Belfast Intl with our price prediction graph.

Cheapflights Insights

Related info for your journey

What are the most popular routes from Belfast Intl Airport to Ireland?

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

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

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

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 Belfast Intl to Ireland

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

Complete your trip

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

Direct flights to

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

Search flights from Belfast Intl to Ireland by cabin class

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

Belfast Intl and Ireland flights

Browse other Belfast Intl and Ireland flight options. Last updated on 24 August 2026.

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

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Cheapest flights from Belfast Intl to Ireland
Explore the most affordable flight options available from Belfast Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 August 2026.

Best flights from Belfast Intl to Ireland
Discover carefully curated flight deals from Belfast Intl to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Last-minute flights from Belfast Intl to Ireland
Discover last-minute flight deals from Belfast Intl to Ireland. Data last updated 24 August 2026 and is based on user searches.

One-way flights from Belfast Intl to Ireland
Search for one-way flight options from Belfast Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.