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Cheap flights from Belfast to Dublin from £47

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 19/11. 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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0 bags

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Find the cheapest flights from Belfast to Dublin

Cheap return flights

Logo
23:05 - 09:30BFS-DUB
10h 25m1 stop
Logo
22:55 - 08:50DUB-BFS
9h 55m1 stop
£95
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So, 26 Okt - Mo, 27 Okt
Logo
07:05 - 19:00BFS-DUB
11h 55m1 stop
Logo
19:00 - 08:50DUB-BFS
13h 50m1 stop
£99
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Do, 6 Nov - Mo, 10 Nov
Logo
19:35 - 08:50BFS-DUB
13h 15m1 stop
Logo
21:45 - 08:50DUB-BFS
11h 05m1 stop
£104
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Sa, 25 Okt - Sa, 1 Nov
Logo
19:35 - 08:50BFS-DUB
13h 15m1 stop
Logo
20:50 - 06:45DUB-BFS
9h 55m1 stop
£113
Find Deal
Sa, 25 Okt - Sa, 1 Nov
Logo
20:00 - 07:50BHD-DUB
11h 50m1 stop
Logo
06:20 - 12:45DUB-BHD
6h 25m1 stop
£113
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Do, 6 Nov - Mo, 10 Nov
Logo
17:05 - 00:30BFS-DUB
7h 25m1 stop
Logo
18:30 - 08:00DUB-BFS
13h 30m1 stop
£117
Find Deal
Mi, 1 Okt - Sa, 4 Okt
British Airways Logo
06:35 - 12:15BHD-DUB
5h 40m1 stop
British Airways Logo
08:50 - 13:15DUB-BHD
4h 25m1 stop
£152British Airways
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Do, 6 Nov - Mo, 10 Nov
British Airways Logo
09:15 - 19:50BHD-DUB
10h 35m1 stop
British Airways Logo
15:10 - 20:15DUB-BHD
5h 05m1 stop
£153British Airways
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Sa, 7 Mrz - Mo, 9 Mrz
Aer Lingus Logo
07:00 - 14:15BHD-DUB
7h 15m1 stop
Aer Lingus Logo
06:30 - 13:20DUB-BHD
6h 50m1 stop
£164Aer Lingus
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So, 12 Okt - So, 19 Okt
KLM Logo
17:20 - 22:10BHD-DUB
4h 50m1 stop
KLM Logo
13:25 - 21:00DUB-BHD
7h 35m1 stop
£295KLM
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Do, 6 Nov - Mo, 10 Nov

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
6 Nov
BHD06:35Belfast City
5h 40m
1 stop
DUB12:15Dublin
10 Nov
DUB08:50Dublin
4h 25m
1 stop
BHD13:15Belfast City
£152
Find similar
British Airways
7 Mar
BHD09:15Belfast City
10h 35m
1 stop
DUB19:50Dublin
9 Mar
DUB15:10Dublin
5h 05m
1 stop
BHD20:15Belfast City
£153
Find similar
British Airways
7 Mar
BHD06:35Belfast City
13h 15m
1 stop
DUB19:50Dublin
9 Mar
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
£161
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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 12 September 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

So 26/10

23:05-09:30

1 stop10h 25m

Dublin

Mo 27/10

22:55-08:50

1 stop9h 55m

£95

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Do 6/11

07:05-19:00

1 stop11h 55m

Dublin

Mo 10/11

19:00-08:50

1 stop13h 50m

£99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sa 25/10

19:35-08:50

1 stop13h 15m

Dublin

Sa 1/11

21:45-08:50

1 stop11h 05m

£104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sa 25/10

19:35-08:50

1 stop13h 15m

Dublin

Sa 1/11

20:50-06:45

1 stop9h 55m

£113

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Do 6/11

20:00-07:50

1 stop11h 50m

Dublin

Mo 10/11

06:20-12:45

1 stop6h 25m

£113

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mi 1/10

17:05-00:30

1 stop7h 25m

Dublin

Sa 4/10

18:30-08:00

1 stop13h 30m

£117

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Do 6/11

06:35-12:15

1 stop5h 40m

Dublin

Mo 10/11

08:50-13:15

1 stop4h 25m

£152

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sa 7/3

09:15-19:50

1 stop10h 35m

Dublin

Mo 9/3

15:10-20:15

1 stop5h 05m

£153

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

So 12/10

07:00-14:15

1 stop7h 15m

Dublin

So 19/10

06:30-13:20

1 stop6h 50m

£164

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Do 6/11

17:20-22:10

1 stop4h 50m

Dublin

Mo 10/11

13:25-21:00

1 stop7h 35m

£295

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Direct flights

None
There are no direct flights from Belfast to Dublin. There are no popular flight routes from Belfast to Dublin.
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  • How far is Belfast to Dublin by plane?

    The distance between Belfast and Dublin is about 87.5 mi. 4h 05m 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 £38Free CancellationRating
6.8
5,158 reviews
Search Ryanair flights
Aer LingusPriceFrom £58Free CancellationRating
7.2
1,271 reviews
Search Aer Lingus flights

Travelling to a place near Dublin?

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