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Cheap flights from Dublin to Northern Ireland from £40

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
8 Jun — 15 Jun1
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 9 May 2026.

Mon 15/620:20
DUB
-
BFS
1 stop10h 25m
Multiple Airlines
Tue 23/607:35
BFS
-
DUB
1 stop12h 20m
Multiple Airlines
Deal found 5/5£74
Mon 1/610:30
DUB
-
BFS
1 stop11h 00m
Multiple Airlines
Mon 8/608:40
BFS
-
DUB
1 stop6h 15m
Multiple Airlines
Deal found 4/5£74
Wed 3/606:30
DUB
-
BFS
1 stop8h 45m
Multiple Airlines
Wed 10/607:30
BFS
-
DUB
1 stop5h 00m
Multiple Airlines
Deal found 6/5£75
Thu 4/607:30
DUB
-
BFS
1 stop7h 50m
Multiple Airlines
Wed 10/615:40
BFS
-
DUB
1 stop5h 50m
Multiple Airlines
Deal found 6/5£76
Thu 4/613:00
DUB
-
BFS
1 stop9h 20m
Multiple Airlines
Mon 8/608:40
BFS
-
DUB
1 stop6h 15m
Multiple Airlines
Deal found 9/5£76
Wed 3/606:30
DUB
-
LDY
1 stop9h 05m
Multiple Airlines
Wed 10/616:00
LDY
-
DUB
1 stop5h 30m
Multiple Airlines
Deal found 6/5£78
Mon 8/608:30
DUB
-
BFS
1 stop13h 25m
Multiple Airlines
Tue 16/620:15
BFS
-
DUB
1 stop13h 35m
Multiple Airlines
Deal found 8/5£78
Mon 1/610:30
DUB
-
LDY
1 stop4h 00m
Multiple Airlines
Mon 8/614:55
LDY
-
DUB
1 stop8h 40m
Multiple Airlines
Deal found 6/5£79
Mon 1/610:30
DUB
-
BFS
1 stop11h 00m
Multiple Airlines
Wed 10/615:40
BFS
-
DUB
1 stop5h 05m
Multiple Airlines
Deal found 6/5£79
Fri 5/606:05
DUB
-
BFS
1 stop5h 45m
Multiple Airlines
Thu 11/612:45
BFS
-
DUB
1 stop11h 10m
Multiple Airlines
Deal found 5/5£79
Thu 21/509:10
DUB
-
BFS
1 stop10h 05m
Multiple Airlines
Thu 11/612:45
BFS
-
DUB
1 stop5h 25m
Multiple Airlines
Deal found 7/5£82
Fri 19/620:00
DUB
-
BFS
1 stop3h 05m
Multiple Airlines
Fri 26/619:20
BFS
-
DUB
1 stop5h 40m
Multiple Airlines
Deal found 4/5£83

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 9 May 2026.

Round-trip from

£74

One-way from

£40
15/6-23/6
  • 15/6-23/6
  • 2 total stops
  • 22h 45m total
  • Dublin to Northern Ireland
Search Deals
21/5
  • 21/5
  • 1 total stop
  • 7h 50m 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 9 May 2026.
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

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 15/6

20:20-06:45

1 stop10h 25m

Belfast Intl

Tue 23/6

07:35-19:55

1 stop12h 20m

£74

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 1/6

10:30-21:30

1 stop11h 00m

Belfast Intl

Mon 8/6

08:40-14:55

1 stop6h 15m

£74

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 17/6

10:05-15:15

1 stop5h 10m

Belfast Intl

Wed 24/6

07:30-20:45

1 stop13h 15m

£75

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 4/6

13:00-22:20

1 stop9h 20m

Belfast Intl

Thu 11/6

12:45-18:10

1 stop5h 25m

£76

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 4/6

07:30-15:20

1 stop7h 50m

Belfast Intl

Wed 10/6

15:40-21:30

1 stop5h 50m

£76

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 4/6

13:00-22:20

1 stop9h 20m

Belfast Intl

Mon 8/6

08:40-14:55

1 stop6h 15m

£76

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 15/6

12:10-21:00

1 stop8h 50m

Belfast Intl

Wed 17/6

15:40-20:45

1 stop5h 05m

£78

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 1/6

10:30-14:30

1 stop4h 00m

Londonderry Eglinton

Mon 8/6

14:55-23:35

1 stop8h 40m

£79

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 20/5

10:05-15:15

1 stop5h 10m

Belfast Intl

Thu 18/6

12:45-20:30

1 stop7h 45m

£79

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 4/6

07:40-14:30

1 stop6h 50m

Belfast City

Thu 11/6

11:45-23:20

1 stop11h 35m

£94

Flights are sorted by cheapest return flights first.

Deals found on 8/5

Showing 1-10 of 40 resultsSorted by cheapest first
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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 - 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.

See more FAQs

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

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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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