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Cheap flights from Belfast to Dublin from £52

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Dublin departing on 16/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Belfast to Dublin

Cheap return flights

Logo
07:05 - 18:40BFS-DUB
11h 35m1 stop
Logo
06:30 - 13:10DUB-BFS
6h 40m1 stop
£95
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Tue, 30 Sep - Tue, 7 Oct
Logo
08:10 - 15:20BFS-DUB
7h 10m1 stop
Logo
14:25 - 21:50DUB-BFS
7h 25m1 stop
£100
Find Deal
Wed, 10 Sep - Mon, 15 Sep
Logo
07:25 - 16:10BFS-DUB
8h 45m1 stop
Logo
15:15 - 21:30DUB-BFS
6h 15m1 stop
£100
Find Deal
Wed, 1 Oct - Wed, 8 Oct
Logo
07:10 - 14:05BFS-DUB
6h 55m1 stop
Logo
18:35 - 07:10DUB-BFS
12h 35m1 stop
£108
Find Deal
Thu, 11 Sep - Thu, 11 Sep
Logo
08:35 - 16:00BFS-DUB
7h 25m1 stop
Logo
06:20 - 11:00DUB-BFS
4h 40m1 stop
£111
Find Deal
Fri, 19 Sep - Sun, 21 Sep
British Airways Logo
06:35 - 18:00BHD-DUB
11h 25m1 stop
British Airways Logo
11:05 - 20:45DUB-BHD
9h 40m1 stop
£178British Airways
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Thu, 2 Oct - Mon, 6 Oct
Aer Lingus Logo
06:45 - 18:40BHD-DUB
11h 55m1 stop
Aer Lingus Logo
12:45 - 20:50DUB-BHD
8h 05m1 stop
£240Aer Lingus
Find Deal
Thu, 2 Oct - Mon, 6 Oct
KLM Logo
06:30 - 12:35BHD-DUB
6h 05m1 stop
KLM Logo
13:20 - 21:15DUB-BHD
7h 55m1 stop
£253KLM
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Thu, 2 Oct - Mon, 6 Oct
British Airways Logo
12:40 - 18:00BHD-DUB
5h 20m1 stop
British Airways Logo
06:50 - 14:40DUB-BHD
7h 50m2 stops
£276British Airways
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Thu, 2 Oct - Mon, 6 Oct
Loganair Logo
12:00 - 11:30BHD-DUB
23h 30m1 stop
Loganair Logo
18:30 - 12:55DUB-BHD
42h 25m3 stops
£552Loganair
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Mon, 15 Sep - Mon, 22 Sep

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
2 Oct
BHD06:35Belfast City
11h 25m
1 stop
DUB18:00Dublin
6 Oct
DUB11:05Dublin
9h 40m
1 stop
BHD20:45Belfast City
£178
Find similar
British Airways
2 Oct
BHD12:40Belfast City
5h 20m
1 stop
DUB18:00Dublin
6 Oct
DUB06:50Dublin
7h 50m
2 stops
BHD14:40Belfast City
£276
Find similar
British Airways
2 Oct
BHD12:40Belfast City
4h 50m
1 stop
DUB17:30Dublin
6 Oct
DUB06:50Dublin
6h 15m
2 stops
BHD13:05Belfast City
£277
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Belfast to Dublin 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 279,928 searches. Data last updated 18 August 2025.
Use the filters below to find and compare flights from Belfast to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 30/9

07:05-18:40

1 stop11h 35m

Dublin

Tue 7/10

06:30-13:10

1 stop6h 40m

£95

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 10/9

08:10-15:20

1 stop7h 10m

Dublin

Mon 15/9

14:25-21:50

1 stop7h 25m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 1/10

07:25-16:10

1 stop8h 45m

Dublin

Wed 8/10

15:15-21:30

1 stop6h 15m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 11/9

07:10-14:05

1 stop6h 55m

Dublin

Thu 11/9

18:35-07:10

1 stop12h 35m

£108

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 19/9

08:35-16:00

1 stop7h 25m

Dublin

Sun 21/9

06:20-11:00

1 stop4h 40m

£111

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

06:35-18:00

1 stop11h 25m

Dublin

Mon 6/10

11:05-20:45

1 stop9h 40m

£178

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

06:45-18:40

1 stop11h 55m

Dublin

Mon 6/10

12:45-20:50

1 stop8h 05m

£240

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

06:30-12:35

1 stop6h 05m

Dublin

Mon 6/10

13:20-21:15

1 stop7h 55m

£253

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

12:40-18:00

1 stop5h 20m

Dublin

Mon 6/10

06:50-14:40

2 stops7h 50m

£276

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Mon 15/9

12:00-11:30

1 stop23h 30m

Dublin

Mon 22/9

18:30-12:55

3 stops42h 25m

£552

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Dublin from

How to get the cheapest flight ticket from Belfast to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Dublin?

Flying to Dublin from Belfast in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £135 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £155 on average. Flights to Dublin from Belfast in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Cheap Belfast to Dublin flight deals and tips

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

Best price found

£52

Fastest flight time

3h 40m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from Belfast in the past 72 hours is £52. The best return flight deal from Belfast to Dublin found on momondo in the last 72 hours is £95.
The fastest flight from Belfast to Dublin takes 3h 40m
There are no direct flights from Belfast to Dublin. Popular non-direct routes for this connection are Belfast Intl Airport - Dublin Airport and Belfast City Airport - Dublin Airport.
There is 1 airport near Dublin: Dublin (DUB)
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  • How far is Belfast to Dublin by plane?

    The distance between Belfast and Dublin is about 87.5 mi. 3h 40m is a normal flight duration for this route.

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

    Prices for flights from Belfast to Dublin Airport were last updated today.

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

    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 Belfast to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to Dublin

Compare and see reviews for airlines that fly from Belfast to Dublin with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £48Free CancellationRating
6.8
5,153 reviews
Search Ryanair flights
Aer LingusPriceFrom £58Free CancellationRating
7.2
1,220 reviews
Search Aer Lingus flights

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Swords
Kilkenny
Dundalk
Bray
Cavan
Athlone
Carlingford
Malahide
Kildare
Wicklow
Drogheda
Enniscorthy
Gorey
Mullingar
Arklow
Portmarnock
Naas
Tullamore
Leixlip
Maynooth

Why use momondo?

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

It is quick and easy to find Belfast to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.

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

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

How can momondo help me find flights from Belfast to Dublin?

Once you have performed a search for Belfast to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Belfast to Dublin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dublin and let you know when they change.

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