In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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.

What is the cheapest time of day to fly from NIR to DUB?

When flying from Northern Ireland to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

£47+ Cheap Flights from Northern Ireland to Dublin

Cheap flight deals from Northern Ireland to Dublin

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 2026.

Thu 29/1009:25 -

1 stop14h 00m

Thu 5/1116:15 -

1 stop3h 30m

Deal found 14/9£77

Mon 12/1012:45 -

1 stop7h 25m

Thu 15/1015:45 -

1 stop6h 35m

Deal found 15/9£79

Thu 5/1117:20 -

1 stop4h 30m

Mon 9/1116:45 -

1 stop4h 55m

Deal found 15/9£80

Thu 8/1020:05 -

1 stop11h 50m

Fri 16/1022:00 -

1 stop12h 45m

Deal found 16/9£82

Wed 28/1021:05 -

1 stop11h 00m

Wed 4/1106:55 -

1 stop13h 45m

Deal found 13/9£83

Thu 29/1017:20 -

1 stop6h 05m

Mon 2/1106:15 -

1 stop5h 30m

Deal found 16/9£84

Wed 14/1008:10 -

1 stop4h 55m

Wed 21/1018:15 -

1 stop5h 05m

Deal found 14/9£85

Thu 15/1018:40 -

1 stop12h 20m

Wed 21/1006:30 -

1 stop9h 05m

Deal found 14/9£85

Fri 6/1117:25 -

1 stop4h 30m

Mon 9/1113:45 -

1 stop7h 00m

Deal found 17/9£90

Sat 21/1106:00 -

1 stop14h 00m

Sat 21/1122:10 -

1 stop11h 55m

Deal found 18/9£91

Mon 5/1014:55 -

1 stop3h 15m

Tue 6/1021:20 -

1 stop18h 15m

Deal found 15/9£94

Thu 5/1116:00 -

1 stop7h 25m

Mon 9/1106:15 -

1 stop8h 35m

Deal found 15/9£97

Best flights from Northern Ireland to Dublin
Discover carefully curated flight deals from Northern Ireland to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Thu 5/1112:30 -

1 stop5h 30m

Mon 9/1116:45 -

1 stop4h 55m

Deal found 14/9£79

Thu 8/1020:05 -

1 stop11h 50m

Fri 16/1022:00 -

1 stop12h 45m

Deal found 16/9£82

Fri 6/1117:45 -

1 stop14h 05m

Mon 9/1120:40 -

1 stop12h 25m

Deal found 17/9£168

Fri 9/1019:20 -

1 stop5h 40m

Mon 12/1009:00 -

1 stop9h 25m

Deal found 14/9£82

Wed 28/1021:05 -

1 stop11h 00m

Wed 4/1106:55 -

1 stop13h 45m

Deal found 13/9£83

Thu 29/1017:20 -

1 stop6h 05m

Mon 2/1106:15 -

1 stop5h 30m

Deal found 16/9£84

Wed 14/1008:10 -

1 stop4h 55m

Wed 21/1018:15 -

1 stop5h 05m

Deal found 14/9£85

Fri 6/1117:25 -

1 stop4h 30m

Mon 9/1113:45 -

1 stop7h 00m

Deal found 17/9£90

Thu 15/1018:40 -

1 stop12h 20m

Wed 21/1006:30 -

1 stop9h 05m

Deal found 15/9£90

Thu 29/1020:00 -

1 stop11h 50m

Mon 2/1120:40 -

1 stop12h 25m

Deal found 16/9£168

Sat 21/1106:00 -

1 stop14h 00m

Sat 21/1122:10 -

1 stop11h 55m

Deal found 18/9£91

Fri 30/1006:15 -

1 stop13h 55m

Mon 2/1118:45 -

1 stop13h 10m

Deal found 16/9£93

Thu 5/1116:00 -

1 stop7h 25m

Mon 9/1106:15 -

1 stop8h 35m

Deal found 15/9£97

Thu 29/1006:30 -

1 stop25h 20m

Wed 4/1120:40 -

1 stop13h 35m

Deal found 18/9£218

Thu 15/1006:30 -

1 stop25h 15m

Wed 21/1008:35 -

1 stop9h 05m

Deal found 16/9£226

Sun 11/1013:35 -

1 stop9h 00m

Sun 18/1022:55 -

1 stop9h 15m

Deal found 13/9£108

Fri 30/1017:25 -

1 stop25h 35m

Fri 6/1107:50 -

1 stop6h 30m

Deal found 15/9£111

Sat 31/1018:15 -

1 stop3h 35m

Mon 2/1106:15 -

1 stop6h 05m

Deal found 15/9£113

Fri 6/1120:30 -

1 stop4h 10m

Mon 9/1106:25 -

1 stop5h 35m

Deal found 17/9£116

Mon 19/1014:55 -

1 stop8h 40m

Sun 25/1023:10 -

1 stop11h 35m

Deal found 14/9£118

Fri 30/1017:10 -

1 stop6h 15m

Mon 2/1106:15 -

1 stop6h 05m

Deal found 16/9£135

Sun 18/1017:25 -

1 stop6h 00m

Sun 25/1023:10 -

1 stop11h 35m

Deal found 15/9£141

Fri 16/1017:05 -

1 stop6h 54m

Fri 23/1007:00 -

1 stop7h 25m

Deal found 18/9£144

Sun 1/1111:05 -

1 stop20h 00m

Sun 8/1106:30 -

1 stop4h 10m

Deal found 17/9£185

Thu 29/1011:20 -

1 stop20h 55m

Wed 4/1120:45 -

2 stops42h 50m

Deal found 18/9£203

Find flight deals from Northern Ireland to Dublin

Round-trip from	£77
One-way from	£47

29/10-5/11
2 total stops
17h 30m total
Northern Ireland to Dublin

Search Deals

30/9-31/12
1 total stop
13h 00m total
Northern Ireland to Dublin

Search Deals

Cheapflights Fare Finder

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

Fastest return journey

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Sat 3/10

15:20-19:05

1 stop3h 45m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£49

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Mon 30/11

22:05-07:00

1 stop8h 55m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£50

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Tue 3/11

19:40-09:45

1 stop14h 05m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55

LondonderryDublin

LDY Londonderry Eglinton - DUB Dublin

LDYDUB

Londonderry Eglinton

Sun 27/9

17:25-08:45

1 stop15h 20m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£59

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Sat 3/10

17:10-00:10

1 stop7h 00m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£61

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Mon 19/10

11:45-11:00

1 stop23h 15m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£61

LondonderryDublin

LDY Londonderry Eglinton - DUB Dublin

LDYDUB

Londonderry Eglinton

Thu 26/11

14:35-22:45

1 stop8h 10m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£62

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Fri 25/9

22:10-18:10

1 stop20h 00m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£71

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Tue 22/12

19:40-22:45

1 stop27h 05m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£71

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Sun 3/1

20:55-08:50

1 stop11h 55m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£73

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 44 resultsSorted by cheapest first

...

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.

BFS-DUB

LDY-DUB

BHD-DUB

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

GBNIR-DUB

BFS-DUB

LDY-DUB

BHD-DUB

No data available for this route at this time. Please check back soon.

Related info for your journey

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

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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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Cheap flights from Northern Ireland to Dublin from £47

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Dublin

Cheapest flights from Northern Ireland to DublinExplore 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 2026.

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 2026.

Best flights from Northern Ireland to DublinDiscover carefully curated flight deals from Northern Ireland to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Northern Ireland to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Last-minute flights from Northern Ireland to DublinDiscover last-minute flight deals from Northern Ireland to Dublin. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Dublin. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Northern Ireland to DublinSearch for one-way flight options from Northern Ireland to Dublin. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Northern Ireland to Dublin. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from Northern Ireland to Dublin

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

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.

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Related info for your journey

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

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?

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

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

Travelling to a place near Dublin?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Northern Ireland to Dublin

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

Complete your trip

Complete your trip to Dublin by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Ireland

Book a non-stop flight to one of these other cities located in Ireland.

Other flights to Dublin

Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Search flights from Northern Ireland to Dublin by cabin class

Find flights from Northern Ireland to Dublin, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Northern Ireland and Dublin flights

Browse other Northern Ireland and Dublin flight options. Last updated on 18 September 2026.

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

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

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

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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 2026.

Best flights from Northern Ireland to Dublin
Discover carefully curated flight deals from Northern Ireland to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Last-minute flights from Northern Ireland to Dublin
Discover last-minute flight deals from Northern Ireland to Dublin. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Northern Ireland to Dublin
Search for one-way flight options from Northern Ireland to Dublin. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.