Cheap flights from Northern Ireland to Dublin from £50

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 21 November 2025.

Wed 17/1220:40BFS - DUB
1 stop11h 35mMultiple Airlines
Wed 24/1206:45DUB - BFS
1 stop3h 35mMultiple Airlines
Deal found 19/11£109
Wed 17/1215:55BHD - DUB
1 stop4h 10mMultiple Airlines
Wed 24/1206:45DUB - BHD
1 stop7h 05mMultiple Airlines
Deal found 19/11£119
Sat 6/1213:20LDY - DUB
1 stop9h 55mMultiple Airlines
Fri 12/1206:25DUB - LDY
1 stop8h 25mMultiple Airlines
Deal found 20/11£120
Mon 1/1207:30LDY - DUB
1 stop9h 55mMultiple Airlines
Mon 8/1207:10DUB - LDY
1 stop3h 10mMultiple Airlines
Deal found 19/11£138
Sat 29/1113:20LDY - DUB
1 stop5h 05mMultiple Airlines
Fri 5/1206:25DUB - LDY
1 stop8h 25mMultiple Airlines
Deal found 20/11£143
Sat 29/1106:35BHD - DUB
1 stop10h 25mBritish Airways
Mon 1/1215:10DUB - BHD
1 stop5h 05mBritish Airways
Deal found 19/11£213
Wed 17/1215:40LDY - DUB
2 stops16h 10mMultiple Airlines
Wed 24/1205:55DUB - LDY
1 stop9h 10mMultiple Airlines
Deal found 19/11£217
Thu 11/1211:05BHD - DUB
1 stop8h 40mBritish Airways
Mon 15/1220:40DUB - BHD
1 stop11h 00mBritish Airways
Deal found 18/11£234
Wed 19/1115:40LDY - DUB
1 stop24h 05mMultiple Airlines
Wed 26/1112:30DUB - LDY
2 stops43h 05mMultiple Airlines
Deal found 18/11£269

Cheap 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 21 November 2025.

Round-trip from

£89

One-way from

£50
8/1-12/1
  • 8/1-12/1
  • 2 total stops
  • 8h 30m total
  • Northern Ireland to Dublin
1/3
  • 1/3
  • 1 total stop
  • 13h 45m total
  • Northern Ireland to Dublin

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 21 November 2025.
Use the filters below to find and compare flights from Northern Ireland to Dublin that are best for you.

Fly from

Northern Ireland

Fly to

Dublin

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 8/1

16:35-21:35

1 stop5h 00m

Dublin

Mon 12/1

06:15-09:45

1 stop3h 30m

£89

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 8/1

16:40-21:35

1 stop4h 55m

Dublin

Mon 12/1

13:10-17:15

1 stop4h 05m

£93

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

16:00-21:35

1 stop5h 35m

Dublin

Mon 19/1

22:35-07:35

1 stop9h 00m

£95

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 4/1

23:05-11:05

1 stop12h 00m

Dublin

Sun 11/1

10:45-22:40

1 stop11h 55m

£99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 24/1

13:10-17:55

1 stop4h 45m

Dublin

Tue 27/1

06:10-09:45

1 stop3h 35m

£99

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

20:00-07:50

1 stop11h 50m

Dublin

Mon 19/1

13:00-20:30

1 stop7h 30m

£99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 3/1

06:00-14:25

1 stop8h 25m

Dublin

Sat 10/1

17:00-22:45

1 stop5h 45m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 3/1

06:00-16:30

1 stop10h 30m

Dublin

Sat 10/1

16:55-06:45

1 stop13h 50m

£109

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 17/12

20:40-08:15

1 stop11h 35m

Dublin

Wed 24/12

06:45-10:20

1 stop3h 35m

£109

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Wed 17/12

15:55-20:05

1 stop4h 10m

Dublin

Wed 24/12

06:45-13:50

1 stop7h 05m

£119

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 32 results
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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.

  • How long is the flight from Northern Ireland to Dublin?

    British Airways can get you from Northern Ireland to Dublin in just under 5h. Your travel time can differ by up to . Northern Ireland and Dublin are separated by a distance of 84 mi.

  • What are the most popular routes from Northern Ireland to 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
Wicklow
Tullamore
Cavan
Drogheda
Malahide
Portmarnock
Dundalk
Enniscorthy
Mullingar
Bray
Arklow
Kildare
Carlingford
Maynooth
Swords
Naas

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

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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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