Find flights
When to book
FAQs

Cheap flights from Dublin to Northern Ireland from £53

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
31 Aug — 7 Sep1
1 adult

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 26 August 2025.

Round-trip from

£96

One-way from

£53
14/10-16/10
  • 14/10-16/10
  • 2 total stops
  • 11h 40m total
  • Dublin to Northern Ireland
Search Deals
20/10
  • 20/10
  • 1 total stop
  • 3h 35m 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 26 August 2025.

Tue 14/1007:40DUB - BFS
1 stop5h 30mMultiple Airlines
Thu 16/1015:55BFS - DUB
1 stop6h 10mMultiple Airlines
Deal found 25/8£96
Wed 8/1013:00DUB - BFS
1 stop8h 30mMultiple Airlines
Wed 15/1007:25BFS - DUB
1 stop7h 10mMultiple Airlines
Deal found 24/8£99
Wed 1/1008:50DUB - BFS
1 stop12h 40mMultiple Airlines
Sat 4/1014:00BFS - DUB
1 stop4h 50mMultiple Airlines
Deal found 23/8£100
Thu 2/1019:35DUB - BFS
1 stop14h 25mMultiple Airlines
Sat 4/1014:00BFS - DUB
1 stop4h 50mMultiple Airlines
Deal found 23/8£102
Sat 27/906:10DUB - BFS
1 stop4h 45mMultiple Airlines
Sun 5/1022:10BFS - DUB
1 stop9h 35mMultiple Airlines
Deal found 25/8£105
Sat 20/915:15DUB - BFS
1 stop7h 20mMultiple Airlines
Sat 27/914:00BFS - DUB
1 stop4h 50mMultiple Airlines
Deal found 23/8£106
Sat 13/920:35DUB - BFS
1 stop11h 25mMultiple Airlines
Mon 15/916:20BFS - DUB
1 stop8h 20mMultiple Airlines
Deal found 23/8£107
Fri 17/1007:10DUB - BFS
1 stop16h 20mMultiple Airlines
Sun 19/1007:45BFS - DUB
1 stop7h 00mMultiple Airlines
Deal found 24/8£109
Sun 21/920:20DUB - BFS
1 stop11h 50mMultiple Airlines
Sun 28/907:15BFS - DUB
1 stop6h 45mMultiple Airlines
Deal found 24/8£115
Sat 13/909:00DUB - BHD
1 stop8h 20mMultiple Airlines
Mon 15/907:55BHD - DUB
1 stop7h 25mMultiple Airlines
Deal found 23/8£125
Fri 14/1115:00DUB - BFS
1 stop5h 25mMultiple Airlines
Sat 15/1119:30BFS - DUB
1 stop3h 05mMultiple Airlines
Deal found 24/8£125
Sat 27/916:50DUB - BHD
1 stop3h 35mMultiple Airlines
Mon 6/1007:55BHD - DUB
1 stop9h 20mMultiple Airlines
Deal found 23/8£140

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to Northern Ireland 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 26 August 2025.
Use the filters below to find and compare flights from Dublin to Northern Ireland that are best for you.

Fly from

Dublin

Fly to

Northern Ireland

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 14/10

07:40-13:10

1 stop5h 30m

Belfast Intl

Thu 16/10

15:55-22:05

1 stop6h 10m

£96

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 8/10

13:00-21:30

1 stop8h 30m

Belfast Intl

Wed 15/10

07:25-14:35

1 stop7h 10m

£99

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 1/10

08:50-21:30

1 stop12h 40m

Belfast Intl

Sat 4/10

14:00-18:50

1 stop4h 50m

£100

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 2/10

19:35-10:00

1 stop14h 25m

Belfast Intl

Sat 4/10

14:00-18:50

1 stop4h 50m

£102

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 27/9

06:10-10:55

1 stop4h 45m

Belfast Intl

Sun 5/10

22:10-07:45

1 stop9h 35m

£105

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 20/9

15:15-22:35

1 stop7h 20m

Belfast Intl

Sat 27/9

14:00-18:50

1 stop4h 50m

£106

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 13/9

20:35-08:00

1 stop11h 25m

Belfast Intl

Mon 15/9

16:20-00:40

1 stop8h 20m

£107

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 17/10

07:10-23:30

1 stop16h 20m

Belfast Intl

Sun 19/10

07:45-14:45

1 stop7h 00m

£109

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 21/9

20:20-08:10

1 stop11h 50m

Belfast Intl

Sun 28/9

07:15-14:00

1 stop6h 45m

£115

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 13/9

09:00-17:20

1 stop8h 20m

Belfast City

Mon 15/9

07:55-15:20

1 stop7h 25m

£125

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 42 results
1
2
3
...
5

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?

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 26 August 2025.

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

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?

    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.

  • How long is the flight from Dublin to Northern Ireland?

    Aer Lingus can get you from Dublin to Northern Ireland in just under 9h 55m. Your travel time can differ by up to . The distance from Dublin to Northern Ireland is about 84 mi.

  • 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

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.
Dublin to Liverpool flights
Dublin to Birmingham flights
Dublin to Leeds flights
Dublin to Heathrow flights
Cork to Heathrow flights
Dublin to London City flights
Dublin to Manchester flights
Dublin to Southend flights
Dublin to Belfast Intl flights
Shannon to Heathrow flights
Cork to London City flights
Dublin to Belfast City flights
Dublin to Gatwick flights
Dublin to Stansted flights
Dublin to Luton flights
Cork to Edinburgh flights
Dublin to Edinburgh flights
Dublin to Glasgow Intl flights
Cork to Luton flights
Shannon to Edinburgh flights
Cork to Bristol flights
Dublin to Newcastle upon Tyne flights
Cork to Liverpool flights
Shannon to Manchester flights
Cork to Birmingham flights
Dublin to Aberdeen flights
Knock to Edinburgh flights
Dublin to Southampton flights
Cork to Belfast Intl flights
Dublin to East Midlands flights
Cork to Gatwick flights
Knock to Birmingham flights
Dublin to Inverness flights
Cork to Glasgow Intl flights
Cork to Stansted flights
Cork to Manchester flights
Knock to Heathrow flights
Dublin to Bristol flights
Shannon to Belfast Intl flights
Cork to Belfast City flights
Knock to Manchester flights
Shannon to Gatwick flights
Shannon to Luton flights
Cork to Southampton flights
Shannon to Stansted flights
Dublin to Exeter flights
Shannon to Glasgow Intl flights
Dublin to Newquay flights
Dublin to Cardiff flights

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?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.