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Cheap flights from Northern Ireland to Dublin 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.
BFS — DUB
3 May — 10 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Dublin
Explore the most affordable flight options available from Northern Ireland to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 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
Wed 6/516:00
LDY
-
DUB
1 stop4h 45m
Multiple Airlines
Wed 13/510:05
DUB
-
LDY
1 stop5h 30m
Multiple Airlines
Deal found 29/3£73
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
Thu 30/422:45
BFS
-
DUB
1 stop8h 30m
Multiple Airlines
Thu 7/513:00
DUB
-
BFS
1 stop9h 20m
Multiple Airlines
Deal found 2/4£76
Fri 8/517:05
BFS
-
DUB
1 stop6h 54m
Multiple Airlines
Mon 11/520:35
DUB
-
BFS
1 stop13h 25m
Multiple Airlines
Deal found 30/3£76
Thu 14/509:15
BFS
-
DUB
1 stop7h 55m
Multiple Airlines
Mon 18/521:10
DUB
-
BFS
1 stop12h 50m
Multiple Airlines
Deal found 1/4£77
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
Mon 20/408:40
BFS
-
DUB
1 stop9h 30m
Multiple Airlines
Wed 22/416:15
DUB
-
BFS
1 stop7h 05m
Multiple Airlines
Deal found 2/4£80
Tue 9/607:35
BFS
-
DUB
1 stop12h 15m
Multiple Airlines
Mon 22/606:55
DUB
-
BFS
1 stop8h 25m
Multiple Airlines
Deal found 1/4£87
Sun 17/520:20
BFS
-
DUB
1 stop11h 30m
Multiple Airlines
Sun 24/523:10
DUB
-
BFS
1 stop9h 05m
Multiple Airlines
Deal found 2/4£88
Fri 15/508:55
BFS
-
DUB
1 stop8h 25m
Multiple Airlines
Fri 22/520:55
DUB
-
BFS
1 stop24h 20m
Multiple Airlines
Deal found 30/3£93
Thu 30/409:50
BHD
-
DUB
1 stop12h 50m
Multiple Airlines
Thu 7/507:40
DUB
-
BHD
1 stop6h 50m
Multiple Airlines
Deal found 2/4£93

Find flight deals from Northern Ireland to Dublin

Keep the following information in mind while searching for Northern Ireland to Dublin flight deals. Data was last updated 3 April 2026.

Round-trip from

£71

One-way from

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

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Dublin 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 3 April 2026.
Use the filters below to find and compare flights from Northern Ireland to Dublin 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
Fastest return journey

LondonderryDublin

LDY - DUB

LDYDUB

Londonderry Eglinton

Wed 6/5

16:00-20:45

1 stop4h 45m

Dublin

Wed 13/5

10:05-15:35

1 stop5h 30m

£73

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 28/4

16:40-23:20

1 stop6h 40m

Dublin

Tue 5/5

06:05-10:00

1 stop3h 55m

£73

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 30/4

22:45-07:15

1 stop8h 30m

Dublin

Thu 7/5

13:00-22:20

1 stop9h 20m

£76

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

£79

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 9/6

07:35-19:50

1 stop12h 15m

Dublin

Mon 22/6

06:55-15:20

1 stop8h 25m

£87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 17/5

20:20-07:50

1 stop11h 30m

Dublin

Sun 24/5

23:10-08:15

1 stop9h 05m

£88

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 30/4

09:50-22:40

1 stop12h 50m

Dublin

Thu 7/5

07:40-14:30

1 stop6h 50m

£93

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 41 resultsSorted by cheapest first
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Best time to book a flight from Northern Ireland to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Northern Ireland 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 Northern Ireland to Dublin
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 Northern Ireland to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from Northern Ireland?

    Most people fly into Dublin (DUB) if they book a flight to Dublin from Northern Ireland. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

  • What are the most popular routes from Northern Ireland to Dublin?

    The most popular flight routes from Northern Ireland to Dublin are Belfast Intl - Dublin, Belfast City - Dublin and Londonderry Eglinton - Dublin.

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

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

  • How can I find direct flights from Northern Ireland to Dublin?

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to Dublin 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

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Athlone
Arklow
Tullamore
Cavan
Portmarnock
Dundalk
Wicklow
Enniscorthy
Bray
Mullingar
Drogheda
Malahide
Kildare
Maynooth
Swords
Carlingford

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How does Cheapflights help users find flights from Northern Ireland to Dublin?

When you search for this flight from Northern Ireland to Dublin, 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 Northern Ireland to Dublin?

Cheapflights helps you find that perfect flight to Dublin from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Dublin from Northern Ireland? 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 Northern Ireland to Dublin become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dublin from Northern Ireland today and book when prices fit your budget.

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