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Cheap flights from Belfast to Dublin from £49

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 11/12. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 20:05
BFS
-
DUB
14h 05m1 stop
Multiple Airlines Logo
15:00 - 20:25
DUB
-
BFS
5h 25m1 stop
£80Multiple Airlines
Fri, 16 Jan - Fri, 23 Jan
Multiple Airlines Logo
13:10 - 17:55
BFS
-
DUB
4h 45m1 stop
Multiple Airlines Logo
15:00 - 22:00
DUB
-
BFS
7h 00m1 stop
£82Multiple Airlines
Sat, 17 Jan - Sat, 24 Jan
Multiple Airlines Logo
07:05 - 13:05
BFS
-
DUB
6h 00m1 stop
Multiple Airlines Logo
06:15 - 09:45
DUB
-
BFS
3h 30m1 stop
£85Multiple Airlines
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
06:00 - 13:00
BFS
-
DUB
7h 00m1 stop
Multiple Airlines Logo
06:15 - 09:45
DUB
-
BFS
3h 30m1 stop
£88Multiple Airlines
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
16:35 - 21:35
BFS
-
DUB
5h 00m1 stop
Multiple Airlines Logo
10:05 - 16:10
DUB
-
BFS
6h 05m1 stop
£94Multiple Airlines
Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
23:05 - 07:55
BFS
-
DUB
8h 50m1 stop
Multiple Airlines Logo
16:15 - 23:25
DUB
-
BFS
7h 10m1 stop
£100Multiple Airlines
Sun, 21 Dec - Fri, 26 Dec
Multiple Airlines Logo
17:20 - 23:30
BHD
-
DUB
6h 10m1 stop
Multiple Airlines Logo
10:20 - 17:15
DUB
-
BHD
6h 55m1 stop
£103Multiple Airlines
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
06:50 - 19:40
BHD
-
DUB
12h 50m1 stop
Multiple Airlines Logo
06:50 - 16:20
DUB
-
BHD
9h 30m1 stop
£104Multiple Airlines
Wed, 31 Dec - Wed, 7 Jan
British Airways Logo
06:35 - 14:05
BHD
-
DUB
7h 30m1 stop
British Airways Logo
17:55 - 07:40
DUB
-
BHD
13h 45m1 stop
£162British Airways
Thu, 15 Jan - Mon, 19 Jan
British Airways Logo
09:05 - 14:05
BHD
-
DUB
5h 00m1 stop
British Airways Logo
16:05 - 09:10
DUB
-
BHD
17h 05m1 stop
£169British Airways
Thu, 15 Jan - Sat, 17 Jan

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
15 Jan
BHD06:35Belfast City
7h 30m
1 stop
DUB14:05Dublin
19 Jan
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
£162
Find similar
British Airways
15 Jan
BHD09:05Belfast City
5h 00m
1 stop
DUB14:05Dublin
17 Jan
DUB16:05Dublin
17h 05m
1 stop
BHD09:10Belfast City
£169
Find similar
British Airways
15 Jan
BHD06:35Belfast City
5h 40m
1 stop
DUB12:15Dublin
17 Jan
DUB17:55Dublin
15h 15m
1 stop
BHD09:10Belfast City
£170
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 4 December 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

Fri 16/1

06:00-20:05

1 stop14h 05m

Dublin

Fri 23/1

15:00-20:25

1 stop5h 25m

£80

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 17/1

13:10-17:55

1 stop4h 45m

Dublin

Sat 24/1

15:00-22:00

1 stop7h 00m

£82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

07:05-13:05

1 stop6h 00m

Dublin

Mon 19/1

06:15-09:45

1 stop3h 30m

£85

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

06:00-13:00

1 stop7h 00m

Dublin

Mon 19/1

06:15-09:45

1 stop3h 30m

£88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

16:35-21:35

1 stop5h 00m

Dublin

Thu 22/1

10:05-16:10

1 stop6h 05m

£94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 21/12

23:05-07:55

1 stop8h 50m

Dublin

Fri 26/12

16:15-23:25

1 stop7h 10m

£100

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

17:20-23:30

1 stop6h 10m

Dublin

Mon 19/1

10:20-17:15

1 stop6h 55m

£103

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Wed 31/12

06:50-19:40

1 stop12h 50m

Dublin

Wed 7/1

06:50-16:20

1 stop9h 30m

£104

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

06:35-14:05

1 stop7h 30m

Dublin

Mon 19/1

17:55-07:40

1 stop13h 45m

£162

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

09:05-14:05

1 stop5h 00m

Dublin

Sat 17/1

16:05-09:10

1 stop17h 05m

£169

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 £137 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 £158 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

Fastest flight time

4h 45m

Direct flights

None
The fastest flight from Belfast to Dublin takes 4h 45m
There are no direct flights from Belfast to Dublin. There are no popular flight routes from Belfast to Dublin.
Search flight deals

  • How far is Belfast to Dublin by plane?

    The distance between Belfast and Dublin is about 87.5 mi. 3h 15m 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 £39Free CancellationRating
6.8
5,212 reviews
Search Ryanair flights
Aer LingusPriceFrom £59Free CancellationRating
7.2
1,384 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
Cavan
Dundalk
Athlone
Bray
Carlingford
Malahide
Mullingar
Drogheda
Kildare
Wicklow
Enniscorthy
Gorey
Arklow
Leixlip
Naas
Maynooth
Tullamore
Portmarnock

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.

An easier way to manage your Dublin trip

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