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 to Ireland?

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

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

When flying from Belfast 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 to Ireland that include hotel bookings?

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

How can I find direct flights from Belfast to Ireland?

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

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

Yes. Cheapflights offers flight deals from Belfast 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.

£39+ Cheap Flights from Belfast to Ireland

Cheap flight deals from Belfast to Ireland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast to Ireland
Explore the most affordable flight options available from Belfast to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Thu 17/922:45 -

1 stop8h 30m

Thu 24/913:00 -

1 stop9h 20m

Deal found 20/8£71

Wed 16/915:40 -

1 stop4h 50m

Wed 23/906:30 -

1 stop8h 45m

Deal found 19/8£72

Thu 3/922:45 -

1 stop9h 35m

Mon 7/912:00 -

1 stop9h 30m

Deal found 18/8£72

Tue 6/1016:40 -

1 stop4h 40m

Tue 13/1007:55 -

1 stop23h 10m

Deal found 22/8£73

Tue 6/1008:50 -

1 stop10h 00m

Wed 7/1006:30 -

1 stop8h 45m

Deal found 17/8£74

Tue 15/907:35 -

1 stop6h 30m

Tue 22/920:15 -

1 stop10h 50m

Deal found 18/8£75

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

Tue 1/907:35 -

1 stop6h 30m

Mon 7/920:35 -

1 stop13h 25m

Deal found 17/8£78

Thu 17/920:40 -

1 stop12h 45m

Thu 24/917:25 -

1 stop4h 55m

Deal found 20/8£78

Thu 1/1020:40 -

1 stop11h 15m

Mon 5/1020:35 -

1 stop13h 25m

Deal found 18/8£79

Fri 11/919:55 -

1 stop12h 30m

Mon 14/921:05 -

1 stop12h 55m

Deal found 17/8£80

Best flights from Belfast to Ireland
Discover carefully curated flight deals from Belfast to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Fri 25/917:05 -

1 stop4h 05m

Sun 27/923:10 -

1 stop9h 05m

Deal found 18/8£71

Wed 16/915:40 -

1 stop4h 50m

Wed 23/906:30 -

1 stop8h 45m

Deal found 19/8£72

Thu 3/912:45 -

1 stop4h 10m

Mon 7/921:05 -

1 stop12h 55m

Deal found 17/8£73

Wed 14/1010:05 -

1 stop9h 25m

Thu 15/1013:45 -

1 stop5h 00m

Deal found 17/8£169

Tue 6/1008:50 -

1 stop10h 00m

Wed 7/1006:30 -

1 stop8h 45m

Deal found 17/8£74

Tue 6/1016:40 -

1 stop4h 40m

Tue 13/1011:30 -

1 stop4h 45m

Deal found 21/8£77

Sat 19/920:15 -

1 stop11h 40m

Sat 26/906:55 -

1 stop14h 20m

Deal found 20/8£78

Sat 3/1017:30 -

1 stop5h 05m

Sat 10/1010:50 -

1 stop6h 05m

Deal found 19/8£246

Tue 1/907:35 -

1 stop6h 30m

Mon 7/920:35 -

1 stop13h 25m

Deal found 17/8£78

Thu 17/920:40 -

1 stop12h 45m

Thu 24/917:25 -

1 stop4h 55m

Deal found 20/8£78

Mon 14/906:30 -

1 stop12h 00m

Mon 21/910:30 -

1 stop11h 00m

Deal found 17/8£79

Thu 1/1012:45 -

1 stop5h 15m

Mon 5/1020:30 -

1 stop12h 20m

Deal found 18/8£169

Thu 1/1020:40 -

1 stop11h 15m

Mon 5/1020:35 -

1 stop13h 25m

Deal found 18/8£79

Thu 1/1014:20 -

1 stop5h 10m

Thu 8/1013:45 -

1 stop5h 00m

Deal found 20/8£170

Fri 11/919:55 -

1 stop12h 30m

Mon 14/921:05 -

1 stop12h 55m

Deal found 17/8£80

Fri 18/919:20 -

1 stop5h 40m

Fri 25/912:35 -

1 stop6h 55m

Deal found 21/8£82

Tue 6/1016:40 -

1 stop4h 20m

Fri 9/1020:20 -

1 stop14h 25m

Deal found 21/8£82

Sat 3/1017:30 -

1 stop5h 05m

Fri 9/1006:15 -

1 stop10h 40m

Deal found 21/8£247

Sat 3/1021:40 -

1 stop10h 50m

Fri 9/1020:20 -

1 stop14h 25m

Deal found 20/8£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 18/8£92

Thu 1/1014:35 -

1 stop6h 00m

Wed 7/1007:30 -

1 stop8h 45m

Deal found 18/8£357

Sat 3/1006:20 -

1 stop11h 00m

Sat 10/1006:05 -

1 stop8h 10m

Deal found 20/8£96

Thu 1/1014:35 -

1 stop9h 15m

Wed 7/1007:10 -

1 stop6h 30m

Deal found 18/8£363

Thu 1/1015:25 -

1 stop7h 35m

Mon 5/1020:25 -

1 stop11h 10m

Deal found 19/8£108

Thu 10/911:45 -

1 stop5h 25m

Sun 13/922:45 -

1 stop9h 25m

Deal found 19/8£112

Sat 3/1018:55 -

1 stop23h 55m

Fri 9/1019:20 -

1 stop25h 40m

Deal found 21/8£520

Fri 5/219:20 -

1 stop12h 55m

Sat 13/207:30 -

1 stop23h 55m

Deal found 17/8£128

Thu 17/915:00 -

2 stops18h 25m

Thu 24/921:00 -

2 stops17h 55m

Deal found 20/8£129

Find flight deals from Belfast to Ireland

Round-trip from	£71
One-way from	£39

17/9-24/9
2 total stops
17h 50m total
Belfast to Ireland

Search Deals

30/9
1 total stop
5h 50m total
Belfast to Ireland

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Fri 25/9

17:05-21:10

1 stop4h 05m

Dublin

Sun 27/9

23:10-08:15

1 stop9h 05m

£71

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

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

£73

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Tue 6/10

08:50-18:50

1 stop10h 00m

Dublin

Wed 7/10

06:30-15:15

1 stop8h 45m

£74

Fastest return journey

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Tue 6/10

16:40-21:20

1 stop4h 40m

Dublin

Tue 13/10

11:30-16:15

1 stop4h 45m

£77

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

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Tue 1/9

07:35-14:05

1 stop6h 30m

Dublin

Mon 7/9

20:35-10:00

1 stop13h 25m

£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

Mon 14/9

06:30-18:30

1 stop12h 00m

Dublin

Mon 21/9

10:30-21:30

1 stop11h 00m

£79

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Thu 1/10

20:40-07:55

1 stop11h 15m

Dublin

Mon 5/10

20:35-10:00

1 stop13h 25m

£79

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 47 resultsSorted by cheapest first

...

Best time to book a flight from Belfast to Ireland

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

BFS-DUB

BFS-ORK

BFS-SNN

BHD-DUB

BHD-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 to Ireland

BF1-IE0

BFS-DUB

BFS-ORK

BFS-SNN

BHD-DUB

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 to Ireland?
While some choose either Belfast City - Dublin or Belfast Intl - Cork, Belfast Intl - Dublin is the most popular route from Belfast to Ireland.
Can I find deals for flights from Belfast to Ireland that include hotel bookings?
Yes. In addition to deals on Belfast to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Ireland.
Can I find deals for business class flights from Belfast to Ireland?
Yes. Cheapflights offers flight deals from Belfast 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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Top 2 airlines flying from Belfast to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£28	Average£74	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Aer Lingus	Cheapest£74	Average£102	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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When you search for this flight from Belfast to Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Ireland 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 Belfast to Ireland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Ireland, users can toggle the no change fees filter when performing a flight search.

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

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

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Cheap flights from Belfast to Ireland from £39

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Ireland

Cheapest flights from Belfast to IrelandExplore the most affordable flight options available from Belfast to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Explore the most affordable flight options available from Belfast to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Belfast to IrelandDiscover carefully curated flight deals from Belfast to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Discover carefully curated flight deals from Belfast to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Belfast to IrelandDiscover last-minute flight deals from Belfast to Ireland. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to Ireland. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Belfast to IrelandSearch for one-way flight options from Belfast to Ireland. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from Belfast to Ireland. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Find flight deals from Belfast to Ireland

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Best time to book a flight from Belfast to Ireland

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

Cheapflights Insights

Related info for your journey

What are the most popular routes from Belfast to Ireland?

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

How can I find direct flights from Belfast to Ireland?

Can I find deals for business class flights from Belfast 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 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 to Ireland by cabin class

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

Belfast and Ireland flights

Browse other Belfast and Ireland flight options. Last updated on 22 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Belfast to Ireland flights

Consider these flights travelling from Belfast to Ireland.

Fly to Ireland regions

Consider these flights travelling to Ireland regions.

Top 2 airlines flying from Belfast to Ireland

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to Ireland?

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

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

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

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Book with Flexibility

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Cheapest flights from Belfast to Ireland
Explore the most affordable flight options available from Belfast to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Belfast to Ireland
Discover carefully curated flight deals from Belfast to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Belfast to Ireland
Discover last-minute flight deals from Belfast to Ireland. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Belfast to Ireland
Search for one-way flight options from Belfast to Ireland. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.