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Cheap flights from Belfast Intl Airport to Ireland from £42

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Ireland

Enter your travel dates to find the best prices.

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 23 December 2025.

Thu 29/106:15BFS - DUB
1 stop13h 20mMultiple Airlines
Mon 2/207:00DUB - BFS
1 stop11h 25mMultiple Airlines
Deal found 22/12£81
Thu 29/118:35BFS - SNN
1 stop13h 35mMultiple Airlines
Wed 4/214:20SNN - BFS
1 stop4h 30mMultiple Airlines
Deal found 22/12£85
Wed 4/221:05BFS - ORK
1 stop10h 15mMultiple Airlines
Wed 11/205:45ORK - BFS
1 stop4h 35mMultiple Airlines
Deal found 21/12£85
Wed 4/207:40BFS - DUB
1 stop8h 25mMultiple Airlines
Wed 11/206:30DUB - BFS
1 stop4h 15mMultiple Airlines
Deal found 21/12£86
Thu 5/218:50BFS - DUB
1 stop4h 50mMultiple Airlines
Thu 12/206:15DUB - BFS
1 stop9h 55mMultiple Airlines
Deal found 22/12£87
Sat 7/207:20BFS - DUB
1 stop9h 05mMultiple Airlines
Wed 11/206:45DUB - BFS
1 stop3h 35mMultiple Airlines
Deal found 21/12£88
Mon 23/213:30BFS - ORK
1 stop7h 05mMultiple Airlines
Wed 25/205:45ORK - BFS
1 stop4h 35mMultiple Airlines
Deal found 21/12£88
Thu 5/209:05BFS - ORK
1 stop10h 15mMultiple Airlines
Thu 12/207:50ORK - BFS
1 stop8h 25mMultiple Airlines
Deal found 22/12£94
Sat 24/106:00BFS - DUB
1 stop8h 25mMultiple Airlines
Mon 26/115:00DUB - BFS
1 stop3h 55mMultiple Airlines
Deal found 22/12£99
Tue 3/218:25BFS - ORK
1 stop12h 55mMultiple Airlines
Tue 10/207:45ORK - BFS
1 stop5h 40mMultiple Airlines
Deal found 20/12£103

Find flight deals from Belfast Intl to Ireland

Keep the following information in mind while searching for Belfast Intl to Ireland flight deals. Data was last updated 23 December 2025.

Round-trip from

£85

One-way from

£42
29/1-4/2
  • 29/1-4/2
  • 2 total stops
  • 18h 05m total
  • Belfast to Ireland
Search Deals
17/1
  • 17/1
  • 1 total stop
  • 8h 40m total
  • Belfast to Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to Ireland 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 23 December 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Ireland that are best for you.

Fly from

Belfast Intl

Fly to

Ireland

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 29/1

06:15-19:35

1 stop13h 20m

Dublin

Mon 2/2

07:00-18:25

1 stop11h 25m

£81

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Thu 29/1

18:35-08:10

1 stop13h 35m

Shannon

Wed 4/2

14:20-18:50

1 stop4h 30m

£85

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 4/2

21:05-07:20

1 stop10h 15m

Cork

Wed 11/2

05:45-10:20

1 stop4h 35m

£85

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 4/2

07:40-16:05

1 stop8h 25m

Dublin

Wed 11/2

06:30-10:45

1 stop4h 15m

£86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 5/2

18:50-23:40

1 stop4h 50m

Dublin

Thu 12/2

06:15-16:10

1 stop9h 55m

£87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 7/2

07:20-16:25

1 stop9h 05m

Dublin

Wed 11/2

06:45-10:20

1 stop3h 35m

£88

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 23/2

13:30-20:35

1 stop7h 05m

Cork

Wed 25/2

05:45-10:20

1 stop4h 35m

£88

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 5/2

09:05-19:20

1 stop10h 15m

Cork

Thu 12/2

07:50-16:15

1 stop8h 25m

£94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 24/1

06:00-14:25

1 stop8h 25m

Dublin

Mon 26/1

15:00-18:55

1 stop3h 55m

£99

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 3/2

18:25-07:20

1 stop12h 55m

Cork

Tue 10/2

07:45-13:25

1 stop5h 40m

£103

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 15 results
1
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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.
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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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

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Alternative routes for Belfast Intl to Ireland

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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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