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Cheap flights from Belfast 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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DUB
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Ireland
Explore the most affordable flight options available from Belfast to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2026.

Thu 14/512:45
BFS
-
DUB
1 stop7h 45m
Multiple Airlines
Thu 21/513:00
DUB
-
BFS
1 stop9h 20m
Multiple Airlines
Deal found 1/4£71
Tue 12/507:35
BFS
-
ORK
1 stop14h 10m
Multiple Airlines
Tue 19/522:25
ORK
-
BFS
1 stop8h 40m
Multiple Airlines
Deal found 29/3£71
Mon 11/518:50
BFS
-
DUB
1 stop4h 30m
Multiple Airlines
Mon 18/520:35
DUB
-
BFS
1 stop13h 25m
Multiple Airlines
Deal found 28/3£72
Tue 28/416:40
BFS
-
DUB
1 stop6h 40m
Multiple Airlines
Tue 5/506:05
DUB
-
BFS
1 stop3h 55m
Multiple Airlines
Deal found 31/3£73
Tue 12/507:35
BFS
-
DUB
1 stop8h 50m
Multiple Airlines
Tue 19/506:05
DUB
-
BFS
1 stop3h 55m
Multiple Airlines
Deal found 27/3£74
Fri 8/508:55
BFS
-
DUB
1 stop7h 05m
Multiple Airlines
Mon 11/520:35
DUB
-
BFS
1 stop13h 25m
Multiple Airlines
Deal found 31/3£75
Tue 12/507:35
BFS
-
SNN
1 stop8h 05m
Multiple Airlines
Tue 19/508:00
SNN
-
BFS
1 stop4h 15m
Multiple Airlines
Deal found 28/3£75
Sat 2/520:15
BFS
-
ORK
1 stop12h 30m
Multiple Airlines
Fri 8/520:20
ORK
-
BFS
1 stop14h 25m
Multiple Airlines
Deal found 28/3£78
Mon 27/418:50
BFS
-
DUB
1 stop5h 15m
Multiple Airlines
Mon 4/506:55
DUB
-
BFS
1 stop8h 25m
Multiple Airlines
Deal found 30/3£79
Fri 15/508:55
BFS
-
DUB
1 stop12h 15m
Multiple Airlines
Fri 22/522:20
DUB
-
BFS
1 stop10h 45m
Multiple Airlines
Deal found 31/3£80
Sat 2/520:15
BFS
-
ORK
1 stop12h 30m
Multiple Airlines
Sat 9/514:35
ORK
-
BFS
1 stop8h 45m
Multiple Airlines
Deal found 29/3£80
Sat 25/416:55
BFS
-
DUB
1 stop6h 10m
Multiple Airlines
Sat 2/521:45
DUB
-
BFS
1 stop11h 50m
Multiple Airlines
Deal found 28/3£81

Find flight deals from Belfast to Ireland

Keep the following information in mind while searching for Belfast to Ireland flight deals. Data was last updated 2 April 2026.

Round-trip from

£71

One-way from

£39
14/5-21/5
  • 14/5-21/5
  • 2 total stops
  • 17h 05m total
  • Belfast to Ireland
Search Deals
15/4
  • 15/4
  • 1 total stop
  • 7h 45m total
  • Belfast to Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 2 April 2026.
Use the filters below to find and compare flights from Belfast to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 14/5

12:45-20:30

1 stop7h 45m

Dublin

Thu 21/5

13:00-22:20

1 stop9h 20m

£71

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 11/5

18:50-23:20

1 stop4h 30m

Dublin

Mon 18/5

20:35-10:00

1 stop13h 25m

£72

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 12/5

07:35-16:25

1 stop8h 50m

Dublin

Tue 19/5

06:05-10:00

1 stop3h 55m

£74

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Tue 12/5

07:35-15:40

1 stop8h 05m

Shannon

Tue 19/5

08:00-12:15

1 stop4h 15m

£75

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

17:05-23:59

1 stop6h 54m

Dublin

Mon 11/5

20:35-10:00

1 stop13h 25m

£76

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 14/5

09:15-17:10

1 stop7h 55m

Dublin

Mon 18/5

21:10-10:00

1 stop12h 50m

£77

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 15/5

08:55-21:10

1 stop12h 15m

Dublin

Fri 22/5

06:05-18:55

1 stop12h 50m

£78

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 2/5

20:15-08:45

1 stop12h 30m

Cork

Fri 8/5

20:20-10:45

1 stop14h 25m

£79

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 2/5

20:15-08:45

1 stop12h 30m

Cork

Sat 9/5

14:35-23:20

1 stop8h 45m

£80

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 25/4

16:55-23:05

1 stop6h 10m

Dublin

Sat 2/5

21:45-09:35

1 stop11h 50m

£81

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 57 resultsSorted by cheapest first
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Best time to book a flight from Belfast to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Belfast 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 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 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 to Ireland?

    While some choose either Belfast Intl - Cork or Belfast City - Dublin, Belfast Intl - Dublin is the most popular route from Belfast to Ireland.

  • Can I find deals for flights from Belfast to Ireland that include hotel bookings?

    Yes. In addition to deals on Belfast to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Ireland.

  • Can I find deals for business class flights from Belfast to Ireland?

    Yes. Cheapflights offers flight deals from Belfast 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 to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Belfast to Ireland

Discover the top 2 airlines that operate flights from Belfast to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£39Average£173FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£70Average£118FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Belfast to Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Belfast to Ireland?

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Ireland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Belfast to Ireland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Ireland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Belfast to Ireland become cheaper?

Not ready to book yet? You can track prices for flights from Belfast to Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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