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Cheap flights from Belfast Intl Airport to Ireland from £51

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 31 October 2025.

Round-trip from

£99

One-way from

£51
6/12-8/12
  • 6/12-8/12
  • 2 total stops
  • 22h 30m total
  • Belfast to Ireland
Search Deals
21/12
  • 21/12
  • 1 total stop
  • 9h 00m total
  • Belfast to Ireland
Search Deals

Find 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 31 October 2025.

Sat 6/1208:25BFS - DUB
1 stop12h 45mMultiple Airlines
Mon 8/1222:10DUB - BFS
1 stop9h 45mMultiple Airlines
Deal found 29/10£99
Thu 11/1207:05BFS - DUB
1 stop8h 20mMultiple Airlines
Thu 18/1214:15DUB - BFS
1 stop5h 05mMultiple Airlines
Deal found 31/10£105
Sat 6/1209:15BFS - ORK
1 stop8h 50mMultiple Airlines
Mon 8/1221:00ORK - BFS
1 stop11h 20mMultiple Airlines
Deal found 29/10£105
Thu 27/1119:45BFS - SNN
1 stop12h 25mMultiple Airlines
Thu 4/1218:15SNN - BFS
1 stop4h 35mMultiple Airlines
Deal found 30/10£106
Tue 4/1105:45BFS - DUB
1 stop4h 05mMultiple Airlines
Thu 6/1121:30DUB - BFS
1 stop9h 55mMultiple Airlines
Deal found 30/10£107
Thu 27/1121:00BFS - DUB
1 stop10h 05mMultiple Airlines
Thu 4/1221:50DUB - BFS
1 stop9h 35mMultiple Airlines
Deal found 29/10£109
Sun 14/1223:05BFS - DUB
1 stop8h 50mMultiple Airlines
Sun 21/1220:50DUB - BFS
1 stop10h 35mMultiple Airlines
Deal found 30/10£109
Sun 14/1222:45BFS - ORK
1 stop8h 40mMultiple Airlines
Sun 21/1222:25ORK - BFS
1 stop9h 35mMultiple Airlines
Deal found 29/10£110
Sat 29/1105:45BFS - ORK
1 stop13h 40mMultiple Airlines
Sat 6/1220:00ORK - BFS
1 stop12h 25mMultiple Airlines
Deal found 30/10£111
Mon 10/1107:50BFS - DUB
1 stop7h 00mMultiple Airlines
Wed 12/1111:40DUB - BFS
1 stop3h 05mMultiple Airlines
Deal found 30/10£112
Sat 13/1205:45BFS - ORK
1 stop9h 20mMultiple Airlines
Sat 20/1222:40ORK - BFS
1 stop8h 05mMultiple Airlines
Deal found 29/10£112
Fri 5/1218:00BFS - DUB
1 stop5h 25mMultiple Airlines
Sun 7/1221:15DUB - BFS
1 stop9h 35mMultiple Airlines
Deal found 28/10£112

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 31 October 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

Sat 6/12

08:25-21:10

1 stop12h 45m

Dublin

Mon 8/12

22:10-07:55

1 stop9h 45m

£99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 11/12

07:05-15:25

1 stop8h 20m

Dublin

Thu 18/12

14:15-19:20

1 stop5h 05m

£105

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 6/12

09:15-18:05

1 stop8h 50m

Cork

Mon 8/12

21:00-08:20

1 stop11h 20m

£105

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 27/11

21:00-07:05

1 stop10h 05m

Dublin

Thu 4/12

21:50-07:25

1 stop9h 35m

£109

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 14/12

23:05-07:55

1 stop8h 50m

Dublin

Sun 21/12

20:50-07:25

1 stop10h 35m

£109

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sun 14/12

22:45-07:25

1 stop8h 40m

Cork

Sun 21/12

22:25-08:00

1 stop9h 35m

£110

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 10/11

07:50-14:50

1 stop7h 00m

Dublin

Wed 12/11

11:40-14:45

1 stop3h 05m

£112

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 13/12

05:45-15:05

1 stop9h 20m

Cork

Sat 20/12

22:40-06:45

1 stop8h 05m

£112

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 5/12

18:00-23:25

1 stop5h 25m

Dublin

Sun 7/12

21:15-06:50

1 stop9h 35m

£112

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 10/11

08:30-17:25

1 stop8h 55m

Dublin

Tue 11/11

18:25-07:40

1 stop13h 15m

£113

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 28 results
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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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