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Cheap flights from Northern Ireland to Dublin from £64

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£108

One-way from

£64
25/8-1/9
  • 25/8-1/9
  • 2 total stops
  • 10h 30m total
  • Northern Ireland to Dublin
Search Deals
25/8
  • 25/8
  • 1 total stop
  • 7h 10m 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 11 July 2025.

Mon 25/808:10BFS - DUB
1 stop7h 10mMultiple Airlines
Mon 1/907:10DUB - BFS
1 stop3h 20mMultiple Airlines
Deal found 11/7£108
Thu 28/817:10BHD - DUB
1 stop4h 20mMultiple Airlines
Mon 1/906:30DUB - BHD
1 stop6h 20mMultiple Airlines
Deal found 10/7£138
Thu 28/806:35BHD - DUB
1 stop11h 25mBritish Airways
Mon 1/920:55DUB - BHD
1 stop11h 55mBritish Airways
Deal found 10/7£196

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 11 July 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

Mon 25/8

08:10-15:20

1 stop7h 10m

Dublin

Mon 1/9

07:10-10:30

1 stop3h 20m

£108

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 28/8

17:10-21:30

1 stop4h 20m

Dublin

Mon 1/9

06:30-12:50

1 stop6h 20m

£138

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 28/8

06:35-18:00

1 stop11h 25m

Dublin

Mon 1/9

20:55-08:50

1 stop11h 55m

£196

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 25/8

08:10-15:20

1 stop7h 10m

£64

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 26/7

16:20-21:10

1 stop4h 50m

£85

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 24/7

16:55-21:15

1 stop4h 20m

£89

LondonderryDublin

LDY - DUB

LDYDUB

Londonderry Eglinton

Wed 16/7

16:00-23:10

1 stop7h 10m

£160

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 26/7

18:30-10:15

2 stops15h 45m

£195

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sun 27/7

11:15-11:30

3 stops24h 15m

£483

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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.

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated 11 July 2025.
See what other customers who have flown with Aer Lingus and British Airways from Northern Ireland to Dublin have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.1
Good
1,154 reviews
Check prices

Crew

8.0

Food

6.4

Overall

7.1

Boarding

7.3

Comfort

7.0

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
Aer Lingus
7.1
Good
1,154 reviews
Aer Lingus
7.1
Good
1,154 reviews
Check prices

Crew

8.0

Food

6.4

Overall

7.1

Boarding

7.3

Comfort

7.0

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
British Airways
6.6
Okay
7,109 reviews
Aer Lingus
7.1
Good
1,154 reviews
Check prices

Crew

8.0

Food

6.4

Overall

7.1

Boarding

7.3

Comfort

7.0

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.

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 cheapest airlines to fly from Northern Ireland to Dublin one-way?

    One-way options have recently been found by users for as low as £89 on Aer Lingus. Other airlines that offer cheap prices include British Airways from £195 and Loganair from £483 one-way.

  • 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 August is currently the most expensive (average of £93). 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 Northern Ireland?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Dublin

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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.

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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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