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Cheap flights from Belfast Intl Airport 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Ireland

Enter your travel dates to find the best prices.

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 13 March 2026.

Thu 23/412:45
BFS
-
DUB
1 stop10h 40m
Multiple Airlines
Thu 30/410:20
DUB
-
BFS
1 stop12h 00m
Multiple Airlines
Deal found 9/3£72
Wed 15/415:40
BFS
-
ORK
1 stop8h 15m
Multiple Airlines
Tue 21/422:25
ORK
-
BFS
1 stop8h 40m
Multiple Airlines
Deal found 10/3£76
Wed 15/415:40
BFS
-
ORK
1 stop8h 15m
Multiple Airlines
Wed 22/417:15
ORK
-
BFS
1 stop6h 05m
Multiple Airlines
Deal found 11/3£77
Wed 8/419:55
BFS
-
DUB
1 stop3h 30m
Multiple Airlines
Wed 15/410:05
DUB
-
BFS
1 stop5h 10m
Multiple Airlines
Deal found 11/3£78
Tue 21/405:55
BFS
-
DUB
1 stop6h 35m
Multiple Airlines
Tue 28/408:30
DUB
-
BFS
1 stop7h 45m
Multiple Airlines
Deal found 9/3£79
Thu 7/506:40
BFS
-
DUB
1 stop9h 35m
Multiple Airlines
Mon 11/506:55
DUB
-
BFS
1 stop8h 25m
Multiple Airlines
Deal found 12/3£80
Fri 24/406:40
BFS
-
DUB
1 stop11h 15m
Multiple Airlines
Fri 1/506:05
DUB
-
BFS
1 stop12h 50m
Multiple Airlines
Deal found 9/3£82
Thu 23/406:40
BFS
-
DUB
1 stop9h 30m
Multiple Airlines
Mon 27/409:00
DUB
-
BFS
1 stop9h 25m
Multiple Airlines
Deal found 11/3£82
Wed 8/407:30
BFS
-
DUB
1 stop5h 00m
Multiple Airlines
Thu 9/423:50
DUB
-
BFS
1 stop8h 40m
Multiple Airlines
Deal found 13/3£83
Fri 22/517:05
BFS
-
DUB
1 stop6h 54m
Multiple Airlines
Tue 2/606:05
DUB
-
BFS
1 stop3h 55m
Multiple Airlines
Deal found 9/3£85
Wed 22/417:25
BFS
-
ORK
1 stop13h 45m
Multiple Airlines
Wed 29/417:15
ORK
-
BFS
1 stop6h 05m
Multiple Airlines
Deal found 8/3£85
Mon 8/608:40
BFS
-
DUB
1 stop8h 20m
Multiple Airlines
Sun 14/623:10
DUB
-
BFS
1 stop9h 05m
Multiple Airlines
Deal found 9/3£88

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 13 March 2026.

Round-trip from

£72

One-way from

£39
23/4-30/4
  • 23/4-30/4
  • 2 total stops
  • 22h 40m total
  • Belfast to Ireland
Search Deals
3/6
  • 3/6
  • 1 total stop
  • 7h 45m 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 13 March 2026.
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

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 15/4

15:40-23:55

1 stop8h 15m

Cork

Tue 21/4

22:25-07:05

1 stop8h 40m

£76

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 15/4

15:40-23:55

1 stop8h 15m

Cork

Wed 22/4

17:15-23:20

1 stop6h 05m

£77

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 16/4

12:45-20:30

1 stop7h 45m

Dublin

Mon 20/4

15:40-21:30

1 stop5h 50m

£78

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 21/4

05:55-12:30

1 stop6h 35m

Dublin

Tue 28/4

08:30-16:15

1 stop7h 45m

£79

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 24/4

06:40-17:55

1 stop11h 15m

Dublin

Fri 1/5

06:05-18:55

1 stop12h 50m

£82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 23/4

06:40-16:10

1 stop9h 30m

Dublin

Mon 27/4

09:00-18:25

1 stop9h 25m

£82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 24/4

06:40-17:55

1 stop11h 15m

Dublin

Mon 27/4

20:20-06:45

1 stop10h 25m

£83
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 22/5

17:05-23:59

1 stop6h 54m

Dublin

Tue 2/6

06:05-10:00

1 stop3h 55m

£85

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 22/4

17:25-07:10

1 stop13h 45m

Cork

Wed 29/4

17:15-23:20

1 stop6h 05m

£85

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 23/4

09:15-13:50

1 stop4h 35m

Cork

Thu 30/4

14:15-21:00

1 stop6h 45m

£91

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 36 resultsSorted by cheapest first
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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 - Dublin or Belfast Intl - Shannon, Belfast Intl - Cork 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

See prices for flight routes from nearby airports that may be better suited for you.
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Belfast City to Glasgow Intl flights
Belfast City to Arrecife flights
Belfast City to Charles de Gaulle flights
Belfast Intl to Birmingham flights
Belfast Intl to Southampton flights
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Belfast Intl to Rhodes flights
Belfast Intl to Luqa flights

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

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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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