In terms of precipitation, rainfall in Ireland 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 Ireland when rainfall is around 49.0 mm.

If weather is an important factor for your trip to Ireland, 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 is the cheapest time of day to fly from NIR to IE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to Ireland as you normally would.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Northern Ireland to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£78+ Cheap Flights from Northern Ireland to Ireland

Cheap flight deals from Northern Ireland to Ireland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Northern Ireland to Ireland
Explore the most affordable flight options available from Northern Ireland to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Thu 12/1116:00 -

1 stop7h 25m

Mon 16/1106:25 -

1 stop8h 35m

Deal found 30/9£91

Fri 20/1120:00 -

1 stop24h 00m

Mon 23/1115:15 -

1 stop25h 20m

Deal found 26/9£96

Fri 13/1107:35 -

1 stop7h 55m

Mon 16/1106:25 -

1 stop8h 35m

Deal found 26/9£97

Thu 5/1114:55 -

1 stop8h 10m

Mon 9/1106:15 -

1 stop8h 35m

Deal found 27/9£104

Tue 13/1017:00 -

1 stop6h 05m

Fri 16/1006:00 -

1 stop8h 55m

Deal found 29/9£106

Find flight deals from Northern Ireland to Ireland

Round-trip from	£88
One-way from	£78

12/11-16/11
2 total stops
16h 00m total
Northern Ireland to Ireland

Search Deals

3/3-31/12
1 total stop
19h 10m total
Northern Ireland to Ireland

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Wed 3/3

10:10-15:45

1 stop5h 35m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£82

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Fri 13/11

16:00-23:25

1 stop7h 25m

Dublin

Mon 16/11

06:25-15:00

1 stop8h 35m

£106

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Fri 20/11

07:35-17:15

1 stop9h 40m

Dublin

Mon 23/11

07:00-13:35

1 stop6h 35m

£110

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Mon 26/10

15:30-22:40

1 stop7h 10m

Dublin

Mon 2/11

06:15-12:20

1 stop6h 05m

£141

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Tue 27/10

15:35-22:40

2 stops7h 05m

Dublin

Tue 3/11

14:05-21:00

1 stop6h 55m

£155

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Fri 13/11

17:45-07:50

1 stop14h 05m

Dublin

Mon 16/11

20:40-10:50

1 stop14h 10m

£167

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Fri 20/11

19:40-07:50

1 stop12h 10m

Dublin

Mon 23/11

08:45-13:50

1 stop5h 05m

£168

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Thu 5/11

20:00-07:50

1 stop11h 50m

Dublin

Mon 9/11

20:40-09:05

1 stop12h 25m

£168

BelfastDublin

BHD Belfast City - DUB Dublin

BHDDUB

Belfast City

Wed 3/3

07:00-16:55

2 stops9h 55m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£243

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Sorted by cheapest first

Best time to book a flight from Northern Ireland to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Northern Ireland with our price prediction graph.

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 Ireland

GBNIR-IE0

BHD-DUB

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

Related info for your journey

Can I find deals for flights from Northern Ireland to Ireland that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Ireland.
Can I find deals for business class flights from Northern Ireland to Ireland?
Yes. Cheapflights offers flight deals from Northern Ireland to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Ireland

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Belfast Intl to Gatwick flights

Heathrow to Orly flights

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London City to Edinburgh flights

Heathrow to Amsterdam flights

London City to Istanbul flights

London City to Amsterdam flights

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Belfast Intl to Luton flights

Stansted to Glasgow Intl flights

Gatwick to Madrid flights

Heathrow to Malpensa flights

Southend to Málaga flights

Gatwick to Glasgow Intl flights

Gatwick to Malpensa flights

Heathrow to Madrid flights

Gatwick to Lisbon flights

Stansted to Charles de Gaulle flights

Gatwick to Bruxelles-National flights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ireland from Northern Ireland today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Northern Ireland to Ireland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Northern Ireland to Ireland, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Northern Ireland to Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Northern Ireland to Ireland from £78

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Ireland

Cheapest flights from Northern Ireland to IrelandExplore the most affordable flight options available from Northern Ireland to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Explore the most affordable flight options available from Northern Ireland to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Northern Ireland to IrelandDiscover carefully curated flight deals from Northern Ireland to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from Northern Ireland to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Northern Ireland to IrelandDiscover last-minute flight deals from Northern Ireland to Ireland. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Ireland. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Northern Ireland to IrelandSearch for one-way flight options from Northern Ireland to Ireland. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Northern Ireland to Ireland. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Find flight deals from Northern Ireland to Ireland

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Northern Ireland to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Northern Ireland with our price prediction graph.

Cheapflights Insights

Related info for your journey

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

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

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

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 Ireland

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

Complete your trip

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

Direct flights to

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

Search flights from Northern Ireland to Ireland by cabin class

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

Northern Ireland and Ireland flights

Browse other Northern Ireland and Ireland flight options. Last updated on 30 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Ireland

Find the right flight back to Northern Ireland after your stay in Ireland

Northern Ireland to Ireland flights

Consider these flights travelling from Northern Ireland to Ireland.

Fly to Ireland regions

Consider these flights travelling to Ireland regions.

Fly with Cheapflights

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

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

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Northern Ireland to Ireland
Explore the most affordable flight options available from Northern Ireland to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Northern Ireland to Ireland
Discover carefully curated flight deals from Northern Ireland to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Northern Ireland to Ireland
Discover last-minute flight deals from Northern Ireland to Ireland. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Northern Ireland to Ireland
Search for one-way flight options from Northern Ireland to Ireland. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.