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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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
30 May — 6 Jun1
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 30 April 2026.

Tue 9/607:35
BFS
-
ORK
1 stop14h 10m
Multiple Airlines
Tue 16/622:25
ORK
-
BFS
1 stop8h 40m
Multiple Airlines
Deal found 25/4£71
Mon 8/621:55
BFS
-
ORK
1 stop10h 10m
Multiple Airlines
Mon 15/621:05
ORK
-
BFS
1 stop12h 55m
Multiple Airlines
Deal found 26/4£73
Wed 6/507:30
BFS
-
DUB
1 stop7h 20m
Multiple Airlines
Thu 7/515:45
DUB
-
BFS
1 stop6h 35m
Multiple Airlines
Deal found 27/4£73
Mon 11/508:40
BFS
-
ORK
1 stop12h 00m
Multiple Airlines
Mon 18/521:05
ORK
-
BFS
1 stop12h 55m
Multiple Airlines
Deal found 29/4£74
Fri 5/608:55
BFS
-
DUB
1 stop11h 35m
Multiple Airlines
Sat 27/621:45
DUB
-
BFS
1 stop11h 50m
Multiple Airlines
Deal found 29/4£75
Wed 27/519:55
BFS
-
DUB
1 stop3h 30m
Multiple Airlines
Wed 3/606:30
DUB
-
BFS
1 stop8h 45m
Multiple Airlines
Deal found 29/4£76
Thu 4/621:25
BFS
-
DUB
1 stop10h 15m
Multiple Airlines
Mon 8/620:35
DUB
-
BFS
1 stop13h 25m
Multiple Airlines
Deal found 26/4£77
Thu 11/612:45
BFS
-
DUB
1 stop10h 40m
Multiple Airlines
Thu 18/610:20
DUB
-
BFS
1 stop5h 00m
Multiple Airlines
Deal found 27/4£78
Thu 28/512:45
BFS
-
DUB
1 stop5h 25m
Multiple Airlines
Thu 4/613:00
DUB
-
BFS
1 stop9h 20m
Multiple Airlines
Deal found 28/4£79
Mon 1/612:45
BFS
-
DUB
1 stop7h 25m
Multiple Airlines
Thu 11/615:45
DUB
-
BFS
1 stop6h 35m
Multiple Airlines
Deal found 27/4£79
Fri 12/619:55
BFS
-
ORK
1 stop12h 30m
Multiple Airlines
Fri 19/608:45
ORK
-
BFS
1 stop10h 45m
Multiple Airlines
Deal found 28/4£79
Sat 23/520:15
BFS
-
DUB
1 stop11h 40m
Multiple Airlines
Sat 30/510:25
DUB
-
BFS
1 stop10h 50m
Multiple Airlines
Deal found 25/4£80

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 30 April 2026.

Round-trip from

£71

One-way from

£39
9/6-16/6
  • 9/6-16/6
  • 2 total stops
  • 22h 50m total
  • Belfast to Ireland
Search Deals
1/6
  • 1/6
  • 1 total stop
  • 4h 30m 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 30 April 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

Tue 9/6

07:35-21:45

1 stop14h 10m

Cork

Tue 16/6

22:25-07:05

1 stop8h 40m

£71

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 11/6

22:45-08:20

1 stop9h 35m

Cork

Thu 18/6

17:25-22:20

1 stop4h 55m

£73

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 8/6

08:40-20:40

1 stop12h 00m

Cork

Mon 15/6

13:35-18:25

1 stop4h 50m

£73

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 11/5

08:40-20:40

1 stop12h 00m

Cork

Mon 18/5

21:05-10:00

1 stop12h 55m

£74

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 5/6

08:55-20:30

1 stop11h 35m

Dublin

Sat 27/6

21:45-09:35

1 stop11h 50m

£75

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 9/6

07:35-16:25

1 stop8h 50m

Dublin

Tue 16/6

21:20-07:05

1 stop9h 45m

£75

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 11/6

12:45-23:25

1 stop10h 40m

Dublin

Thu 18/6

10:20-15:20

1 stop5h 00m

£76
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 27/5

19:55-23:25

1 stop3h 30m

Dublin

Wed 3/6

06:30-15:15

1 stop8h 45m

£76

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 28/5

12:45-18:10

1 stop5h 25m

Dublin

Thu 4/6

13:00-22:20

1 stop9h 20m

£76

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 4/6

21:25-07:40

1 stop10h 15m

Dublin

Mon 8/6

20:35-10:00

1 stop13h 25m

£77

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 32 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 - 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

See prices for flight routes from nearby airports that may be better suited for you.
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Belfast City to Charles de Gaulle flights
Belfast City to Stansted flights
Belfast Intl to Granadilla flights
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Belfast City to Liverpool flights
Belfast City to Cardiff flights
Belfast Intl to Barcelona-El Prat flights
Belfast Intl to Glasgow Intl flights
Belfast City to Arrecife flights
Belfast City to Birmingham flights
Belfast Intl to Ibiza flights
Belfast Intl to Bristol flights
Belfast Intl to Krakow flights
Belfast Intl to Leeds flights
Belfast Intl to Rhodes flights
Belfast City to Palma de Mallorca flights
Belfast Intl to Luqa flights
Belfast Intl to Antalya flights
Belfast Intl to Southampton flights
Belfast Intl to Las Palmas de Gran Canaria flights
Belfast City to Glasgow Intl flights
Belfast Intl to East Midlands flights

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