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Cheap flights from Belfast Intl Airport to Ireland from £46

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
18 Feb — 25 Feb1
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 19 January 2026.

Round-trip from

£80

One-way from

£46
14/2-21/2
  • 14/2-21/2
  • 2 total stops
  • 17h 30m total
  • Belfast to Ireland
Search Deals
5/3
  • 5/3
  • 1 total stop
  • 10h 05m 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 19 January 2026.

Sat 14/212:45
BFS
-
DUB
1 stop10h 30m
Multiple Airlines
Sat 21/215:00
DUB
-
BFS
1 stop7h 00m
Multiple Airlines
Deal found 17/1£80
Fri 27/318:00
BFS
-
ORK
1 stop13h 40m
Multiple Airlines
Mon 30/308:15
ORK
-
BFS
1 stop13h 40m
Multiple Airlines
Deal found 17/1£84
Thu 5/308:50
BFS
-
ORK
1 stop10h 05m
Multiple Airlines
Thu 12/318:30
ORK
-
BFS
1 stop4h 20m
Multiple Airlines
Deal found 19/1£87
Wed 4/313:55
BFS
-
ORK
1 stop7h 45m
Multiple Airlines
Wed 11/305:45
ORK
-
BFS
1 stop4h 35m
Multiple Airlines
Deal found 18/1£88
Thu 26/206:00
BFS
-
SNN
1 stop8h 40m
Multiple Airlines
Wed 4/318:55
SNN
-
BFS
1 stop13h 00m
Multiple Airlines
Deal found 17/1£91
Sat 31/123:10
BFS
-
DUB
1 stop8h 40m
Multiple Airlines
Tue 3/207:10
DUB
-
BFS
1 stop4h 30m
Multiple Airlines
Deal found 17/1£96
Sat 7/323:10
BFS
-
DUB
1 stop8h 40m
Multiple Airlines
Mon 9/312:30
DUB
-
BFS
1 stop6h 25m
Multiple Airlines
Deal found 17/1£99
Sat 28/208:50
BFS
-
ORK
1 stop10h 35m
Multiple Airlines
Sat 7/322:40
ORK
-
BFS
1 stop8h 05m
Multiple Airlines
Deal found 17/1£99
Fri 6/318:00
BFS
-
ORK
1 stop4h 45m
Multiple Airlines
Sun 8/322:25
ORK
-
BFS
1 stop9h 00m
Multiple Airlines
Deal found 18/1£105
Tue 3/306:30
BFS
-
ORK
1 stop8h 30m
Ryanair
Tue 10/315:25
ORK
-
BFS
1 stop18h 55m
Ryanair
Deal found 17/1£105
Tue 3/306:30
BFS
-
DUB
1 stop17h 10m
Multiple Airlines
Tue 10/318:25
DUB
-
BFS
1 stop15h 55m
Multiple Airlines
Deal found 17/1£106
Mon 25/506:30
BFS
-
ORK
1 stop6h 40m
Multiple Airlines
Tue 26/517:45
ORK
-
BFS
1 stop5h 35m
Multiple Airlines
Deal found 18/1£132

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 19 January 2026.
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 7/3

05:45-18:20

1 stop12h 35m

Dublin

Mon 9/3

08:30-21:55

1 stop13h 25m

£80

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 14/2

12:45-23:15

1 stop10h 30m

Dublin

Sat 21/2

15:00-22:00

1 stop7h 00m

£80

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Fri 27/3

18:00-07:40

1 stop13h 40m

Cork

Mon 30/3

08:15-21:55

1 stop13h 40m

£84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 4/3

07:55-16:15

1 stop8h 20m

Dublin

Wed 11/3

06:45-10:20

1 stop3h 35m

£87

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 5/3

08:50-18:55

1 stop10h 05m

Cork

Thu 12/3

18:30-22:50

1 stop4h 20m

£87

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 4/3

13:55-21:40

1 stop7h 45m

Cork

Wed 11/3

05:45-10:20

1 stop4h 35m

£88

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Thu 26/2

06:00-14:40

1 stop8h 40m

Shannon

Wed 4/3

18:55-07:55

1 stop13h 00m

£91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 31/1

23:10-07:50

1 stop8h 40m

Dublin

Tue 3/2

07:10-11:40

1 stop4h 30m

£96

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 26/3

06:15-13:20

1 stop7h 05m

Dublin

Thu 26/3

21:30-07:25

1 stop9h 55m

£96

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 28/2

08:50-19:25

1 stop10h 35m

Cork

Sat 7/3

22:40-06:45

1 stop8h 05m

£99

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 23 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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