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

To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £65. British Airways flights start at £381 while deals on Loganair start at £433 one-way.

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.

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.

£54+ Flights from Dublin to Northern Ireland

Cheap flight deals from Dublin to Northern Ireland

Round-trip from	£95
One-way from	£54

14/7-16/7
2 total stops
24h 00m total
Dublin to Northern Ireland

Search Deals

18/7
1 total stop
10h 15m 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 18 June 2025.

Mon 14/722:05DUB - BFS

1 stop10h 00mMultiple Airlines

Wed 16/717:05BFS - DUB

1 stop14h 00mMultiple Airlines

Deal found 16/6£95

Sun 20/720:30DUB - BHD

1 stop11h 40mMultiple Airlines

Wed 23/710:35BHD - DUB

1 stop9h 20mMultiple Airlines

Deal found 18/6£138

Thu 7/808:55DUB - BHD

1 stop12h 20mKLM

Wed 13/806:30BHD - DUB

1 stop6h 05mKLM

Deal found 17/6£183

Thu 7/820:15DUB - BHD

1 stop13h 05mBritish Airways

Wed 13/818:30BHD - DUB

1 stop13h 15mBritish Airways

Deal found 17/6£190

Sat 23/818:50DUB - LDY

1 stop21h 45mMultiple Airlines

Thu 28/810:45LDY - DUB

1 stop4h 05mMultiple Airlines

Deal found 17/6£202

Fri 4/707:10DUB - BHD

1 stop10h 30mAer Lingus

Tue 8/715:20BHD - DUB

1 stop7h 10mAer Lingus

Deal found 18/6£204

Mon 7/720:55DUB - LDY

1 stop13h 20mBritish Airways

Mon 14/706:30LDY - DUB

1 stop13h 05mBritish Airways

Deal found 17/6£372

Sun 3/808:55DUB - LDY

2 stops12h 50mKLM

Sat 9/806:30LDY - DUB

2 stops15h 55mKLM

Deal found 16/6£392

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 18 June 2025.

Mon 14/722:05DUB - BFS

1 stop10h 00mMultiple Airlines

Wed 16/717:05BFS - DUB

1 stop14h 00mMultiple Airlines

Deal found 16/6£95

Thu 7/808:55DUB - BHD

1 stop12h 20mKLM

Wed 13/806:30BHD - DUB

1 stop6h 05mKLM

Deal found 17/6£183

Thu 7/820:15DUB - BHD

1 stop13h 05mBritish Airways

Wed 13/818:30BHD - DUB

1 stop13h 15mBritish Airways

Deal found 17/6£190

Fri 4/707:10DUB - BHD

1 stop10h 30mAer Lingus

Tue 8/715:20BHD - DUB

1 stop7h 10mAer Lingus

Deal found 18/6£204

Sun 20/720:30DUB - BHD

1 stop11h 40mMultiple Airlines

Wed 23/710:35BHD - DUB

1 stop9h 20mMultiple Airlines

Deal found 18/6£138

Sat 23/818:50DUB - LDY

1 stop21h 45mMultiple Airlines

Thu 28/810:45LDY - DUB

1 stop4h 05mMultiple Airlines

Deal found 17/6£202

Mon 7/720:55DUB - LDY

1 stop13h 20mBritish Airways

Mon 14/706:30LDY - DUB

1 stop13h 05mBritish Airways

Deal found 17/6£372

Sun 3/808:55DUB - LDY

2 stops12h 50mKLM

Sat 9/806:30LDY - DUB

2 stops15h 55mKLM

Deal found 16/6£392

Last-minute flights from Dublin to Northern Ireland
Discover last-minute flight deals from Dublin to Northern Ireland. Data last updated 18 June 2025 and is based on user searches.

Wed 18/620:20DUB - BHD

1 stop12h 30mBritish Airways

Wed 23/713:50BHD - DUB

1 stop4h 05mBritish Airways

Deal found 18/6£472

Thu 3/708:00DUB - LDY

1 stop4h 55mMultiple Airlines

Mon 7/707:45LDY - DUB

1 stop9h 35mMultiple Airlines

Deal found 16/6£224

Fri 4/707:10DUB - BHD

1 stop10h 30mAer Lingus

Tue 8/715:20BHD - DUB

1 stop7h 10mAer Lingus

Deal found 18/6£204

Mon 7/720:55DUB - LDY

1 stop13h 20mBritish Airways

Mon 14/706:30LDY - DUB

1 stop13h 05mBritish Airways

Deal found 17/6£372

Mon 7/713:20DUB - LDY

2 stops20h 55mKLM

Mon 14/718:05LDY - DUB

2 stops18h 30mKLM

Deal found 18/6£486

Mon 14/722:05DUB - BFS

1 stop10h 00mMultiple Airlines

Wed 16/717:05BFS - DUB

1 stop14h 00mMultiple Airlines

Deal found 16/6£95

Sun 20/720:30DUB - BHD

1 stop11h 40mMultiple Airlines

Wed 23/710:35BHD - DUB

1 stop9h 20mMultiple Airlines

Deal found 18/6£138

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 18 June 2025.

Fri 18/706:00DUB - BFS

1 stop10h 15mMultiple Airlines

Deal found 17/6£54

Sun 27/706:55DUB - BHD

1 stop24h 30mMultiple Airlines

Deal found 17/6£65

Sat 26/706:50DUB - BHD

1 stop7h 40mAer Lingus

Deal found 17/6£65

Wed 16/706:30DUB - LDY

1 stop9h 05mMultiple Airlines

Deal found 17/6£67

Fri 18/714:30DUB - LDY

1 stop7h 15mBritish Airways

Deal found 16/6£381

Sun 27/719:50DUB - BHD

3 stops17h 05mLoganair

Deal found 17/6£433

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

Mon 14/7

22:05-08:05

1 stop10h 00m

Belfast Intl

Wed 16/7

17:05-07:05

1 stop14h 00m

£95

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sun 20/7

20:30-08:10

1 stop11h 40m

Belfast City

Wed 23/7

10:35-19:55

1 stop9h 20m

£138

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 7/8

08:55-21:15

1 stop12h 20m

Belfast City

Wed 13/8

06:30-12:35

1 stop6h 05m

£183

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 7/8

20:15-09:20

1 stop13h 05m

Belfast City

Wed 13/8

18:30-07:45

1 stop13h 15m

£190

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Sat 23/8

18:50-16:35

1 stop21h 45m

Londonderry Eglinton

Thu 28/8

10:45-14:50

1 stop4h 05m

£202

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Fri 4/7

07:10-17:40

1 stop10h 30m

Belfast City

Tue 8/7

15:20-22:30

1 stop7h 10m

£204

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 7/7

20:55-10:15

1 stop13h 20m

Londonderry Eglinton

Mon 14/7

06:30-19:35

1 stop13h 05m

£372

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Sun 3/8

08:55-21:45

2 stops12h 50m

Londonderry Eglinton

Sat 9/8

06:30-22:25

2 stops15h 55m

£392

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 18/7

06:00-16:15

1 stop10h 15m

£54

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sun 27/7

06:55-07:25

1 stop24h 30m

£65

Flights are sorted by cheapest return flights first.

Deals found on 17/6

Showing 1-10 of 14 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.

Rainfall in Northern Ireland by month

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.

Temperature in Northern Ireland by month

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).

Reviews of airlines servicing Northern Ireland

Get a feel of what it's like to fly with KLM, Aer Lingus and British Airways from Dublin to Northern Ireland by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,364 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,364 reviews

KLM

7.8

Good

1,364 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Aer Lingus

7.1

Good

1,120 reviews

KLM

7.8

Good

1,364 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.6

Okay

7,031 reviews

KLM

7.8

Good

1,364 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 cheapest airlines to fly from Dublin to Northern Ireland one-way?
To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £65. British Airways flights start at £381 while deals on Loganair start at £433 one-way.
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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Shannon to Edinburgh flights

Knock to Birmingham flights

Dublin to Aberdeen flights

Cork to Birmingham flights

Knock to Heathrow flights

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Cork to Liverpool flights

Cork to Belfast City flights

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Dublin to Grimsby flights

Shannon to Bristol flights

Shannon to Gatwick flights

Shannon to Luton flights

Shannon to Stansted flights

Dublin to Cardiff flights

Cork to Edinburgh flights

Dublin to Exeter flights

Knock to Luton flights

Knock to Stansted flights

Dublin to East Midlands flights

Direct flights to United Kingdom

Fly with Cheapflights

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 £54

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 18/7. 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 18 June 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 18 June 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 18 June 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 18 June 2025.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing Northern Ireland

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

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?

100% Free

Book with Flexibility

Travel Smart

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 18 June 2025.