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Cheap flights from Northern Ireland to Dublin from £49

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

£94

One-way from

£49
1/11-8/11
  • 1/11-8/11
  • 2 total stops
  • 20h 50m total
  • Northern Ireland to Dublin
Search Deals
5/12
  • 5/12
  • 1 total stop
  • 5h 05m total
  • Northern Ireland to Dublin
Search Deals

Find flight deals from Northern Ireland to Dublin

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 18 September 2025.

Sat 1/1123:10BFS - DUB
1 stop14h 10mMultiple Airlines
Sat 8/1108:30DUB - BFS
1 stop6h 40mMultiple Airlines
Deal found 16/9£94
Thu 6/1107:05BFS - DUB
1 stop11h 55mMultiple Airlines
Mon 10/1106:30DUB - BFS
1 stop12h 25mMultiple Airlines
Deal found 16/9£103
Wed 15/1015:25BFS - DUB
1 stop5h 30mMultiple Airlines
Wed 22/1010:05DUB - BFS
1 stop4h 55mMultiple Airlines
Deal found 17/9£104
Sat 1/1105:45BFS - DUB
1 stop9h 05mRyanair
Sat 8/1116:55DUB - BFS
1 stop5h 05mRyanair
Deal found 17/9£108
Fri 31/1007:50BFS - DUB
1 stop7h 00mMultiple Airlines
Fri 7/1118:45DUB - BFS
1 stop14h 05mMultiple Airlines
Deal found 16/9£111
Thu 6/1113:20BHD - DUB
1 stop5h 40mMultiple Airlines
Mon 10/1106:30DUB - BHD
1 stop6h 15mMultiple Airlines
Deal found 16/9£127
Thu 27/1116:00BFS - DUB
1 stop3h 00mMultiple Airlines
Fri 28/1106:30DUB - BFS
1 stop4h 00mMultiple Airlines
Deal found 16/9£127
Wed 15/1012:10BHD - DUB
1 stop4h 45mMultiple Airlines
Wed 22/1006:50DUB - BHD
1 stop4h 50mMultiple Airlines
Deal found 17/9£134
Sat 1/1113:20LDY - DUB
1 stop9h 55mMultiple Airlines
Sat 8/1106:50DUB - LDY
1 stop5h 55mMultiple Airlines
Deal found 17/9£136
Thu 27/1116:40BHD - DUB
1 stop4h 05mMultiple Airlines
Fri 28/1106:30DUB - BHD
1 stop3h 15mMultiple Airlines
Deal found 16/9£149
Thu 6/1110:40BHD - DUB
1 stop6h 20mBritish Airways
Mon 10/1108:50DUB - BHD
1 stop4h 25mBritish Airways
Deal found 16/9£159
Thu 30/1010:45LDY - DUB
1 stop11h 40mMultiple Airlines
Wed 5/1106:30DUB - LDY
1 stop8h 35mMultiple Airlines
Deal found 16/9£171

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 18 September 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

Sat 1/11

23:10-13:20

1 stop14h 10m

Dublin

Sat 8/11

08:30-15:10

1 stop6h 40m

£94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 6/11

07:05-19:00

1 stop11h 55m

Dublin

Mon 10/11

06:30-18:55

1 stop12h 25m

£103

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/10

15:25-20:55

1 stop5h 30m

Dublin

Wed 22/10

10:05-15:00

1 stop4h 55m

£104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/11

05:45-14:50

1 stop9h 05m

Dublin

Sat 8/11

16:55-22:00

1 stop5h 05m

£108

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 31/10

07:50-14:50

1 stop7h 00m

Dublin

Fri 7/11

18:45-08:50

1 stop14h 05m

£111

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 6/11

13:20-19:00

1 stop5h 40m

Dublin

Mon 10/11

06:30-12:45

1 stop6h 15m

£127

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 27/11

16:00-19:00

1 stop3h 00m

Dublin

Fri 28/11

06:30-10:30

1 stop4h 00m

£127

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Wed 15/10

12:10-16:55

1 stop4h 45m

Dublin

Wed 22/10

06:50-11:40

1 stop4h 50m

£134

LondonderryDublin

LDY - DUB

LDYDUB

Londonderry Eglinton

Sat 1/11

13:20-23:15

1 stop9h 55m

Dublin

Sat 8/11

06:50-12:45

1 stop5h 55m

£136

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 27/11

16:40-20:45

1 stop4h 05m

Dublin

Fri 28/11

06:30-09:45

1 stop3h 15m

£149

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 31 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?

    Ryanair and British Airways can get you from Northern Ireland to Dublin in just under 6h 20m. Your travel time can differ by up to 2h 45m. Northern Ireland and Dublin are separated by a distance of 84 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

  • What is the cheapest month to book a flight from Northern Ireland to Dublin?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Dublin (average of £71). Flying from Northern Ireland to Dublin in April is currently the most expensive (average of £92). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Dublin?

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

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Alternative routes for Northern Ireland to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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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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