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Cheap flights from Dublin to Northern Ireland from £39

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
7 Mar — 14 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Northern Ireland

Enter your travel dates to find the best prices.

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 5 February 2026.

Wed 4/306:45
DUB
-
BFS
1 stop3h 35m
Multiple Airlines
Wed 11/307:55
BFS
-
DUB
1 stop5h 30m
Multiple Airlines
Deal found 4/2£76
Sat 21/316:55
DUB
-
BFS
1 stop13h 50m
Multiple Airlines
Sat 28/312:45
BFS
-
DUB
1 stop10h 30m
Multiple Airlines
Deal found 4/2£77
Sun 1/306:30
DUB
-
BFS
1 stop5h 30m
Multiple Airlines
Wed 4/315:45
BFS
-
DUB
1 stop7h 20m
Multiple Airlines
Deal found 2/2£78
Fri 20/306:30
DUB
-
BFS
1 stop11h 05m
Multiple Airlines
Fri 27/318:00
BFS
-
DUB
1 stop5h 05m
Multiple Airlines
Deal found 3/2£79
Tue 3/321:15
DUB
-
BFS
1 stop13h 05m
Multiple Airlines
Tue 10/316:30
BFS
-
DUB
1 stop7h 10m
Multiple Airlines
Deal found 3/2£81
Thu 5/210:40
DUB
-
BFS
1 stop5h 30m
Multiple Airlines
Mon 9/222:20
BFS
-
DUB
1 stop9h 30m
Multiple Airlines
Deal found 3/2£83
Thu 19/321:30
DUB
-
BFS
1 stop9h 55m
Multiple Airlines
Thu 26/306:15
BFS
-
DUB
1 stop11h 35m
Multiple Airlines
Deal found 2/2£85
Tue 3/306:10
DUB
-
BHD
1 stop10h 35m
Multiple Airlines
Tue 10/317:20
BHD
-
DUB
1 stop6h 20m
Multiple Airlines
Deal found 3/2£90
Mon 23/315:15
DUB
-
BFS
1 stop6h 40m
Multiple Airlines
Mon 30/319:35
BFS
-
DUB
1 stop4h 30m
Multiple Airlines
Deal found 4/2£91
Thu 5/208:30
DUB
-
BFS
1 stop22h 55m
Multiple Airlines
Sun 8/205:45
BFS
-
DUB
1 stop26h 05m
Multiple Airlines
Deal found 3/2£91
Wed 4/306:45
DUB
-
BHD
1 stop10h 05m
Multiple Airlines
Wed 11/314:15
BHD
-
DUB
1 stop8h 50m
Multiple Airlines
Deal found 4/2£93
Thu 5/307:20
DUB
-
BFS
1 stop15h 30m
Multiple Airlines
Mon 9/319:20
BFS
-
DUB
1 stop3h 10m
Multiple Airlines
Deal found 4/2£100

Find 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 5 February 2026.

Round-trip from

£76

One-way from

£39
4/3-11/3
  • 4/3-11/3
  • 2 total stops
  • 9h 05m total
  • Dublin to Northern Ireland
Search Deals
1/4
  • 1/4
  • 1 total stop
  • 8h 45m total
  • Dublin to Northern Ireland
Search Deals

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 5 February 2026.
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

Wed 4/3

06:45-10:20

1 stop3h 35m

Belfast Intl

Wed 11/3

07:55-13:25

1 stop5h 30m

£76

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 1/3

06:30-12:00

1 stop5h 30m

Belfast Intl

Wed 4/3

15:45-23:05

1 stop7h 20m

£78

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 23/3

20:00-09:05

1 stop13h 05m

Belfast Intl

Mon 30/3

09:15-18:55

1 stop9h 40m

£79

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 20/3

06:30-17:35

1 stop11h 05m

Belfast Intl

Fri 27/3

18:00-23:05

1 stop5h 05m

£79

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 19/3

21:30-07:25

1 stop9h 55m

Belfast Intl

Thu 26/3

06:15-17:50

1 stop11h 35m

£85

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Tue 3/3

06:10-16:45

1 stop10h 35m

Belfast City

Tue 10/3

17:20-23:40

1 stop6h 20m

£90

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 5/3

07:20-22:50

1 stop15h 30m

Belfast Intl

Mon 9/3

19:20-22:30

1 stop3h 10m

£100

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 27/2

07:30-21:05

1 stop13h 35m

Belfast Intl

Mon 2/3

07:50-20:05

1 stop12h 15m

£104

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 5/3

15:50-19:20

1 stop3h 30m

Belfast City

Mon 9/3

08:00-11:05

1 stop3h 05m

£120

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sun 1/3

07:10-12:50

1 stop5h 40m

Belfast City

Wed 4/3

16:55-23:00

1 stop6h 05m

£123

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 37 results
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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
No data available for this route at this time. Please check back soon.

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.

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

    When deciding which route to take from Dublin to Northern Ireland consider Dublin - Londonderry Eglinton, Dublin - Belfast Intl or Dublin - Belfast City 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.

See more FAQs

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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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