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

Currently, January is the cheapest month in which you can book a flight from Dublin to Northern Ireland (average of £67). Flying from Dublin to Northern Ireland in July is currently the most expensive (average of £90). 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.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern 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 are the most popular routes from Dublin to Northern Ireland?

When deciding which route to take from Dublin to Northern Ireland consider Dublin - Belfast Intl, Dublin - Belfast City or Dublin - Londonderry Eglinton as they are the most popular.

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

Dublin (DUB), located 5.7 mi from the city center, is the airport you fly out of when you book flights from Dublin to Northern Ireland.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Dublin to Northern 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.

£43+ Flights from Dublin to Northern Ireland

Cheap flight deals from Dublin to Northern Ireland

Round-trip from	£92
One-way from	£43

31/10-7/11
2 total stops
22h 40m total
Dublin to Northern Ireland

Search Deals

14/10
1 total stop
5h 55m total
Dublin to Northern Ireland

Search Deals

Find flight deals from Dublin to Northern Ireland

Cheapest flights from Dublin to Northern Ireland
Explore the most affordable flight options available from Dublin to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Fri 31/1018:45DUB - BFS

1 stop14h 05mMultiple Airlines

Fri 7/1114:30BFS - DUB

1 stop8h 35mMultiple Airlines

Deal found 16/9£92

Thu 30/1008:30DUB - BFS

1 stop7h 40mMultiple Airlines

Thu 6/1116:35BFS - DUB

1 stop5h 00mMultiple Airlines

Deal found 15/9£97

Tue 14/1016:20DUB - BFS

1 stop6h 10mMultiple Airlines

Tue 21/1005:55BFS - DUB

1 stop10h 00mMultiple Airlines

Deal found 16/9£99

Thu 16/1013:05DUB - BFS

1 stop8h 55mMultiple Airlines

Sun 19/1023:30BFS - DUB

1 stop10h 05mMultiple Airlines

Deal found 16/9£102

Mon 13/1006:30DUB - BFS

1 stop4h 00mMultiple Airlines

Mon 20/1016:20BFS - DUB

1 stop8h 20mMultiple Airlines

Deal found 15/9£103

Sat 8/1116:55DUB - BFS

1 stop13h 50mRyanair

Sun 16/1122:45BFS - DUB

1 stop12h 50mRyanair

Deal found 17/9£106

Sat 8/1116:55DUB - BFS

1 stop13h 50mRyanair

Sat 15/1106:00BFS - DUB

1 stop10h 30mRyanair

Deal found 16/9£107

Sat 8/1118:00DUB - BFS

1 stop12h 45mMultiple Airlines

Sat 15/1112:45BFS - DUB

1 stop3h 45mMultiple Airlines

Deal found 15/9£109

Fri 19/922:15DUB - BFS

1 stop9h 40mMultiple Airlines

Mon 22/923:45BFS - DUB

1 stop12h 25mMultiple Airlines

Deal found 16/9£117

Tue 14/1005:45DUB - BHD

1 stop8h 00mMultiple Airlines

Tue 21/1010:40BHD - DUB

1 stop6h 15mMultiple Airlines

Deal found 16/9£117

Tue 30/906:50DUB - BHD

1 stop3h 20mMultiple Airlines

Tue 7/1010:40BHD - DUB

1 stop6h 35mMultiple Airlines

Deal found 16/9£119

Mon 13/1006:30DUB - BHD

1 stop9h 55mMultiple Airlines

Mon 20/1009:05BHD - DUB

1 stop3h 40mMultiple Airlines

Deal found 15/9£124

Best flights from Dublin to Northern Ireland
Discover carefully curated flight deals from Dublin to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Fri 31/1018:45DUB - BFS

1 stop14h 05mMultiple Airlines

Fri 7/1114:30BFS - DUB

1 stop8h 35mMultiple Airlines

Deal found 16/9£92

Sat 8/1116:55DUB - BFS

1 stop13h 50mRyanair

Sun 16/1122:45BFS - DUB

1 stop12h 50mRyanair

Deal found 17/9£106

Sat 8/1108:50DUB - BHD

1 stop12h 10mKLM

Sun 16/1106:30BHD - DUB

1 stop9h 50mKLM

Deal found 17/9£172

Sat 8/1117:55DUB - BHD

1 stop14h 20mBritish Airways

Sat 15/1115:05BHD - DUB

1 stop4h 45mBritish Airways

Deal found 15/9£191

Thu 30/1008:30DUB - BFS

1 stop7h 40mMultiple Airlines

Thu 6/1116:35BFS - DUB

1 stop5h 00mMultiple Airlines

Deal found 15/9£97

Sat 8/1116:55DUB - BFS

1 stop13h 50mRyanair

Sat 15/1106:00BFS - DUB

1 stop10h 30mRyanair

Deal found 16/9£107

Tue 14/1016:20DUB - BFS

1 stop6h 10mMultiple Airlines

Tue 21/1005:55BFS - DUB

1 stop10h 00mMultiple Airlines

Deal found 16/9£99

Thu 16/1013:05DUB - BFS

1 stop8h 55mMultiple Airlines

Sun 19/1023:30BFS - DUB

1 stop10h 05mMultiple Airlines

Deal found 16/9£102

Mon 13/1006:30DUB - BFS

1 stop4h 00mMultiple Airlines

Mon 20/1016:20BFS - DUB

1 stop8h 20mMultiple Airlines

Deal found 15/9£103

Tue 14/1005:45DUB - BHD

1 stop8h 00mMultiple Airlines

Tue 21/1010:40BHD - DUB

1 stop6h 15mMultiple Airlines

Deal found 16/9£117

Tue 30/906:50DUB - BHD

1 stop3h 20mMultiple Airlines

Tue 7/1010:40BHD - DUB

1 stop6h 35mMultiple Airlines

Deal found 16/9£119

Sat 18/1010:30DUB - BHD

1 stop10h 15mBritish Airways

Mon 20/1015:25BHD - DUB

1 stop4h 10mBritish Airways

Deal found 15/9£202

Mon 13/1006:30DUB - BHD

1 stop9h 55mMultiple Airlines

Mon 20/1009:05BHD - DUB

1 stop3h 40mMultiple Airlines

Deal found 15/9£124

Thu 30/1018:15DUB - LDY

1 stop13h 20mMultiple Airlines

Sat 1/1113:20LDY - DUB

1 stop8h 30mMultiple Airlines

Deal found 15/9£130

Sat 18/1016:50DUB - BHD

1 stop3h 35mMultiple Airlines

Mon 20/1007:55BHD - DUB

1 stop5h 20mMultiple Airlines

Deal found 15/9£132

Sat 8/1106:40DUB - BHD

1 stop6h 10mMultiple Airlines

Sat 15/1109:45BHD - DUB

1 stop6h 45mMultiple Airlines

Deal found 16/9£140

Mon 3/1108:50DUB - LDY

1 stop12h 50mBritish Airways

Mon 10/1118:05LDY - DUB

1 stop13h 50mBritish Airways

Deal found 15/9£316

Mon 3/1107:30DUB - LDY

1 stop3h 25mMultiple Airlines

Mon 10/1107:30LDY - DUB

1 stop15h 00mMultiple Airlines

Deal found 15/9£142

Fri 3/1006:40DUB - BHD

1 stop9h 25mMultiple Airlines

Tue 7/1010:40BHD - DUB

1 stop7h 50mMultiple Airlines

Deal found 16/9£142

Tue 6/107:00DUB - BHD

1 stop5h 15mMultiple Airlines

Sat 10/117:55BHD - DUB

1 stop3h 20mMultiple Airlines

Deal found 15/9£164

Sat 8/1106:40DUB - BHD

1 stop7h 35mMultiple Airlines

Sun 9/1110:40BHD - DUB

1 stop5h 55mMultiple Airlines

Deal found 14/9£207

Tue 14/1021:25DUB - LDY

1 stop18h 10mMultiple Airlines

Tue 21/1014:00LDY - DUB

1 stop7h 20mMultiple Airlines

Deal found 16/9£213

Last-minute flights from Dublin to Northern Ireland
Discover last-minute flight deals from Dublin to Northern Ireland. Data last updated 17 September 2025 and is based on user searches.

Fri 19/922:15DUB - BFS

1 stop9h 40mMultiple Airlines

Mon 22/923:45BFS - DUB

1 stop12h 25mMultiple Airlines

Deal found 16/9£117

Tue 30/906:30DUB - BFS

1 stop3h 20mMultiple Airlines

Tue 7/1016:40BFS - DUB

1 stop4h 15mMultiple Airlines

Deal found 16/9£119

Tue 30/906:50DUB - BHD

1 stop3h 20mMultiple Airlines

Tue 7/1010:40BHD - DUB

1 stop6h 35mMultiple Airlines

Deal found 16/9£119

Mon 13/1006:30DUB - BFS

1 stop4h 00mMultiple Airlines

Mon 20/1016:20BFS - DUB

1 stop8h 20mMultiple Airlines

Deal found 15/9£103

Mon 13/1006:30DUB - BHD

1 stop9h 55mMultiple Airlines

Mon 20/1009:05BHD - DUB

1 stop3h 40mMultiple Airlines

Deal found 15/9£124

Tue 14/1016:20DUB - BFS

1 stop6h 10mMultiple Airlines

Tue 21/1005:55BFS - DUB

1 stop10h 00mMultiple Airlines

Deal found 16/9£99

Tue 14/1005:45DUB - BHD

1 stop8h 00mMultiple Airlines

Tue 21/1010:40BHD - DUB

1 stop6h 15mMultiple Airlines

Deal found 16/9£117

Thu 16/1013:05DUB - BFS

1 stop8h 55mMultiple Airlines

Sun 19/1023:30BFS - DUB

1 stop10h 05mMultiple Airlines

Deal found 16/9£102

Sat 18/1016:50DUB - BHD

1 stop3h 35mMultiple Airlines

Mon 20/1007:55BHD - DUB

1 stop5h 20mMultiple Airlines

Deal found 15/9£132

Thu 30/1008:30DUB - BFS

1 stop7h 40mMultiple Airlines

Thu 6/1116:35BFS - DUB

1 stop5h 00mMultiple Airlines

Deal found 15/9£97

Thu 30/1018:15DUB - LDY

1 stop13h 20mMultiple Airlines

Sat 1/1113:20LDY - DUB

1 stop8h 30mMultiple Airlines

Deal found 15/9£130

Fri 31/1018:45DUB - BFS

1 stop14h 05mMultiple Airlines

Fri 7/1114:30BFS - DUB

1 stop8h 35mMultiple Airlines

Deal found 16/9£92

One-way flights from Dublin to Northern Ireland
Search for one-way flight options from Dublin to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Tue 14/1007:20DUB - BFS

1 stop5h 55mMultiple Airlines

Deal found 16/9£43

Thu 4/1216:30DUB - BFS

1 stop6h 20mMultiple Airlines

Deal found 15/9£43

Wed 8/1010:55DUB - BFS

1 stop14h 20mMultiple Airlines

Deal found 16/9£48

Thu 9/1011:25DUB - BFS

1 stop10h 35mMultiple Airlines

Deal found 15/9£51

Tue 21/1019:20DUB - BFS

1 stop3h 35mMultiple Airlines

Deal found 16/9£52

Tue 21/1005:45DUB - BHD

1 stop4h 25mMultiple Airlines

Deal found 16/9£56

Sat 15/1108:30DUB - BFS

1 stop6h 40mMultiple Airlines

Deal found 16/9£57

Fri 31/1015:30DUB - BFS

1 stop15h 25mMultiple Airlines

Deal found 16/9£58

Wed 8/1006:50DUB - BHD

1 stop4h 50mMultiple Airlines

Deal found 16/9£59

Thu 4/1207:20DUB - BHD

1 stop6h 00mAer Lingus

Deal found 15/9£60

Tue 14/1010:30DUB - BHD

1 stop5h 55mAer Lingus

Deal found 16/9£61

Sat 18/1006:40DUB - BFS

1 stop7h 15mMultiple Airlines

Deal found 16/9£62

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 31/10

18:45-08:50

1 stop14h 05m

Belfast Intl

Fri 7/11

14:30-23:05

1 stop8h 35m

£92

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 30/10

08:30-16:10

1 stop7h 40m

Belfast Intl

Thu 6/11

16:35-21:35

1 stop5h 00m

£97

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 14/10

16:20-22:30

1 stop6h 10m

Belfast Intl

Tue 21/10

05:55-15:55

1 stop10h 00m

£99

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 16/10

13:05-22:00

1 stop8h 55m

Belfast Intl

Sun 19/10

23:30-09:35

1 stop10h 05m

£102

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 13/10

06:30-10:30

1 stop4h 00m

Belfast Intl

Mon 20/10

16:20-00:40

1 stop8h 20m

£103

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 8/11

16:55-06:45

1 stop13h 50m

Belfast Intl

Sun 16/11

22:45-11:35

1 stop12h 50m

£106

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 8/11

16:55-06:45

1 stop13h 50m

Belfast Intl

Sat 15/11

06:00-16:30

1 stop10h 30m

£107

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Tue 14/10

05:45-13:45

1 stop8h 00m

Belfast City

Tue 21/10

10:40-16:55

1 stop6h 15m

£117

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Tue 30/9

06:50-10:10

1 stop3h 20m

Belfast City

Tue 7/10

10:40-17:15

1 stop6h 35m

£119

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Mon 13/10

06:30-16:25

1 stop9h 55m

Belfast City

Mon 20/10

09:05-12:45

1 stop3h 40m

£124

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 40 results

Best time to book a flight from Dublin to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Dublin 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 Dublin to Northern Ireland

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

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

Related info for your journey

What airport do you fly from for flights from Dublin to Northern Ireland?
Dublin (DUB), located 5.7 mi from the city center, is the airport you fly out of when you book flights from Dublin to Northern Ireland.
What are the most popular routes from Dublin to Northern Ireland?
When deciding which route to take from Dublin to Northern Ireland consider Dublin - Belfast Intl, Dublin - Belfast City or Dublin - Londonderry Eglinton as they are the most popular.
Can I find deals for flights from Dublin to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Dublin to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Dublin to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Northern Ireland.
Can I find deals for business class flights from Dublin to Northern Ireland?
Yes. Cheapflights offers flight deals from Dublin to Northern 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.
What is the cheapest month to book a flight from Dublin to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from Dublin to Northern Ireland (average of £67). Flying from Dublin to Northern Ireland in July is currently the most expensive (average of £90). 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

Browse thousands of different options on Cheapflights for your next trip

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Direct flights to United Kingdom

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How does Cheapflights help users find flights from Dublin to Northern 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 Northern Ireland from Dublin today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Northern Ireland from Dublin 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 Dublin to Northern Ireland with no change fees?

Yes! Cheapflights helps users easily find flights from Dublin to Northern Ireland with no change fees.

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

Yes, Cheapflights offers price alerts on Dublin to Northern 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 Dublin to Northern Ireland from £43

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Dublin to Northern Ireland

Keep the following information in mind while searching for Dublin to Northern Ireland flight deals. Data was last updated 17 September 2025.

Round-trip from

One-way from

Find flight deals from Dublin to Northern Ireland

Cheapest flights from Dublin to Northern IrelandExplore the most affordable flight options available from Dublin to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from Dublin to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dublin to Northern Ireland

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

Cheapflights Insights

Everything you need to know about your flight from Dublin to Northern Ireland

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

Find hourly flight availability from Dublin to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Northern Ireland. 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 from for flights from Dublin to Northern Ireland?

What are the most popular routes from Dublin to Northern Ireland?

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

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

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

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

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Cheapest flights from Dublin to Northern Ireland
Explore the most affordable flight options available from Dublin to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.