Cheap flights from Dublin to Northern Ireland from €43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Northern Ireland departing on 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Dublin to Northern Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
€84Multiple Airlines
Tue, 21 Jul - Tue, 28 Jul
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
Multiple Airlines Logo
21:55 - 08:30
BFS
-
DUB
10h 35m
1 stop
€86Multiple Airlines
Mon, 20 Jul - Mon, 27 Jul
Multiple Airlines Logo
12:15 - 21:15
DUB
-
BFS
9h 00m
1 stop
Multiple Airlines Logo
06:55 - 14:05
BFS
-
DUB
7h 10m
1 stop
€87Multiple Airlines
Sat, 8 Aug - Sat, 15 Aug
Multiple Airlines Logo
14:40 - 21:30
DUB
-
BFS
6h 50m
1 stop
Multiple Airlines Logo
15:40 - 23:25
BFS
-
DUB
7h 45m
1 stop
€88Multiple Airlines
Mon, 27 Jul - Wed, 5 Aug
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
€89Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug
Multiple Airlines Logo
20:30 - 08:05
DUB
-
BFS
11h 35m
1 stop
Multiple Airlines Logo
07:35 - 19:55
BFS
-
DUB
12h 20m
1 stop
€90Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
Multiple Airlines Logo
07:35 - 19:55
BFS
-
DUB
12h 20m
1 stop
€92Multiple Airlines
Mon, 27 Jul - Tue, 4 Aug
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
€92Multiple Airlines
Mon, 27 Jul - Tue, 4 Aug
Multiple Airlines Logo
06:40 - 16:30
DUB
-
BFS
9h 50m
1 stop
Multiple Airlines Logo
21:40 - 10:30
BFS
-
DUB
12h 50m
1 stop
€93Multiple Airlines
Sat, 15 Aug - Sat, 15 Aug
Multiple Airlines Logo
06:20 - 18:25
DUB
-
BFS
12h 05m
1 stop
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
€94Multiple Airlines
Mon, 17 Aug - Tue, 25 Aug

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British Airways flights from Dublin to Northern Ireland

Our best British Airways deals on Dublin to Northern Ireland flight tickets
British Airways
29 Sept
DUB19:30Dublin
13h 30m
1 stop
BHD09:00Belfast City
3 Oct
BHD09:35Belfast City
9h 50m
1 stop
DUB19:25Dublin
€205
British Airways
27 Jul
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
5 Aug
BHD19:40Belfast City
12h 05m
1 stop
DUB07:45Dublin
€207
British Airways
27 Jul
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
4 Aug
BHD20:25Belfast City
11h 15m
1 stop
DUB07:40Dublin
€208

Aer Lingus flights from Dublin to Northern Ireland

Our best Aer Lingus deals on Dublin to Northern Ireland flight tickets
Aer Lingus
27 Jul
DUB11:00Dublin
6h 20m
1 stop
BHD17:20Belfast City
5 Aug
BHD07:00Belfast City
15h 05m
1 stop
DUB22:05Dublin
€216
Aer Lingus
17 Aug
DUB12:45Dublin
8h 20m
1 stop
BHD21:05Belfast City
24 Aug
BHD07:00Belfast City
15h 05m
1 stop
DUB22:05Dublin
€216
Aer Lingus
17 Aug
DUB12:45Dublin
8h 20m
1 stop
BHD21:05Belfast City
24 Aug
BHD11:05Belfast City
7h 30m
1 stop
DUB18:35Dublin
€217

momondo 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, momondo users made 13,528 searches. Data last updated 26 June 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

Tue 21/7

21:20-07:05

1 stop9h 45m

Belfast Intl

Tue 28/7

07:35-16:25

1 stop8h 50m

€84

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 20/7

21:10-10:00

1 stop12h 50m

Belfast Intl

Mon 27/7

21:55-08:30

1 stop10h 35m

€86

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 8/8

12:15-21:15

1 stop9h 00m

Belfast Intl

Sat 15/8

06:55-14:05

1 stop7h 10m

€87
Fastest return journey

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 27/7

14:40-21:30

1 stop6h 50m

Belfast Intl

Wed 5/8

15:40-23:25

1 stop7h 45m

€88

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 11/8

21:20-07:05

1 stop9h 45m

Belfast Intl

Tue 18/8

07:35-16:25

1 stop8h 50m

€89

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 11/8

20:30-08:05

1 stop11h 35m

Belfast Intl

Tue 18/8

07:35-19:55

1 stop12h 20m

€90

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 27/7

21:10-10:00

1 stop12h 50m

Belfast Intl

Tue 4/8

07:35-19:55

1 stop12h 20m

€92

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 27/7

21:10-10:00

1 stop12h 50m

Belfast Intl

Tue 4/8

07:35-16:25

1 stop8h 50m

€92

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 15/8

06:40-16:30

1 stop9h 50m

Belfast Intl

Sat 15/8

21:40-10:30

1 stop12h 50m

€93

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 17/8

06:20-18:25

1 stop12h 05m

Belfast Intl

Tue 25/8

07:35-16:25

1 stop8h 50m

€94

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Cheap Dublin to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Northern Ireland

Fastest flight time

6h 50m

Direct flights

None
The fastest flight from Dublin to Northern Ireland takes 6h 50m
There are no direct flights from Dublin to Northern Ireland. There are no popular flight routes from Dublin to Northern Ireland.

Frequently asked questions about flying from Dublin to Northern Ireland

  • When did momondo last update prices for flights from Dublin Airport to Northern Ireland?

    Prices for flights from Dublin Airport to Northern Ireland are refreshed on a daily basis.

  • How old do you have to be to fly from Dublin Airport to Northern Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Dublin to Northern Ireland

  • How do I get Price Alerts for flights from Dublin to Northern Ireland?

    Price Alerts will notify you by email when the price for flights to Northern Ireland from Dublin decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Dublin to Northern Ireland with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Northern Ireland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Northern Ireland from Dublin.

Can I find flights from Dublin to Northern Ireland with flexible booking policies on momondo?

All flight searches from Dublin to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Dublin to Northern Ireland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to Northern Ireland.

I’m not ready to book a flight from Dublin to Northern Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Dublin to Northern Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Northern Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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1 adult
Sun 26/7
Sun 2/8

Find better results for your trip to Northern Ireland

Popular Cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo