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Cheap flights from Belfast to Dublin from £58

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 15/7. 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
0 bags

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Find the cheapest flights from Belfast to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:55 - 21:10
BFS
-
DUB
12h 15m
1 stop
Multiple Airlines Logo
22:05 - 12:20
DUB
-
BFS
14h 15m
1 stop
£73Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
21:50 - 07:00
BFS
-
DUB
9h 10m
1 stop
Multiple Airlines Logo
22:05 - 12:20
DUB
-
BFS
14h 15m
1 stop
£76Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
16:15 - 23:20
DUB
-
BFS
7h 05m
1 stop
£77Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Multiple Airlines Logo
14:00 - 22:10
BFS
-
DUB
8h 10m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
£78Multiple Airlines
Fri, 27 Mar - Mon, 27 Apr
Multiple Airlines Logo
17:15 - 22:25
BFS
-
DUB
5h 10m
1 stop
Multiple Airlines Logo
22:05 - 12:20
DUB
-
BFS
14h 15m
1 stop
£79Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
10:45 - 00:10
BFS
-
DUB
13h 25m
1 stop
Multiple Airlines Logo
06:30 - 12:20
DUB
-
BFS
5h 50m
1 stop
£80Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
14:00 - 22:10
BFS
-
DUB
8h 10m
1 stop
Multiple Airlines Logo
21:05 - 10:45
DUB
-
BFS
13h 40m
1 stop
£82Multiple Airlines
Fri, 27 Mar - Fri, 3 Apr
Multiple Airlines Logo
09:15 - 18:55
BFS
-
DUB
9h 40m
1 stop
Multiple Airlines Logo
14:35 - 21:30
DUB
-
BFS
6h 55m
1 stop
£84Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:05 - 18:35
BFS
-
DUB
10h 30m
2 stops
Multiple Airlines Logo
19:55 - 08:05
DUB
-
BFS
12h 10m
1 stop
£88Multiple Airlines
Fri, 27 Mar - Mon, 27 Apr
Aer Lingus Logo
07:00 - 12:45
BHD
-
DUB
5h 45m
1 stop
Aer Lingus Logo
06:30 - 13:50
DUB
-
BHD
7h 20m
1 stop
£157Aer Lingus
Sun, 29 Mar - Sun, 5 Apr

Aer Lingus flights from Belfast to Dublin

Our best Aer Lingus deals on Belfast to Dublin flight tickets
Aer Lingus
29 Mar
BHD07:00Belfast City
5h 45m
1 stop
DUB12:45Dublin
5 Apr
DUB06:30Dublin
7h 20m
1 stop
BHD13:50Belfast City
£157
Aer Lingus
24 Mar
BHD16:55Belfast City
16h 25m
1 stop
DUB09:20Dublin
26 Mar
DUB12:25Dublin
4h 55m
1 stop
BHD17:20Belfast City
£267

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
2 Jun
BHD13:45Belfast City
4h 55m
1 stop
DUB18:40Dublin
3 Jun
DUB19:45Dublin
13h 05m
1 stop
BHD08:50Belfast City
£176
British Airways
2 Jun
BHD18:20Belfast City
13h 20m
1 stop
DUB07:40Dublin
3 Jun
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
£177
British Airways
17 Apr
BHD20:10Belfast City
11h 30m
1 stop
DUB07:40Dublin
20 Apr
DUB20:30Dublin
11h 05m
1 stop
BHD07:35Belfast City
£178

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 2 March 2026.
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 17/4

08:55-21:10

1 stop12h 15m

Dublin

Mon 20/4

22:05-12:20

1 stop14h 15m

£73

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 13/4

21:50-07:00

1 stop9h 10m

Dublin

Mon 20/4

22:05-12:20

1 stop14h 15m

£76

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/4

07:30-12:30

1 stop5h 00m

Dublin

Wed 22/4

16:15-23:20

1 stop7h 05m

£77

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 27/3

14:00-22:10

1 stop8h 10m

Dublin

Mon 27/4

20:35-10:00

1 stop13h 25m

£78

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/4

17:15-22:25

1 stop5h 10m

Dublin

Mon 20/4

22:05-12:20

1 stop14h 15m

£79

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 14/4

10:45-00:10

1 stop13h 25m

Dublin

Tue 21/4

06:30-12:20

1 stop5h 50m

£80

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 27/3

14:00-22:10

1 stop8h 10m

Dublin

Fri 3/4

21:05-10:45

1 stop13h 40m

£82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 13/4

09:15-18:55

1 stop9h 40m

Dublin

Mon 20/4

14:35-21:30

1 stop6h 55m

£84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 27/3

08:05-18:35

2 stops10h 30m

Dublin

Mon 27/4

19:55-08:05

1 stop12h 10m

£88

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sun 29/3

07:00-12:45

1 stop5h 45m

Dublin

Sun 5/4

06:30-13:50

1 stop7h 20m

£157

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 airline that flies from Belfast to Dublin?

Aer Lingus is the most popular carrier operating from Belfast to Dublin

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

3h 30m

Direct flights

None
The fastest flight from Belfast to Dublin takes 3h 30m
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 30m 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
6.9
5,286 reviews
Search Ryanair flights
Aer LingusPriceFrom £69Free CancellationRating
7.2
1,464 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
Cavan
Swords
Dundalk
Athlone
Bray
Malahide
Carlingford
Kildare
Mullingar
Drogheda
Enniscorthy
Wicklow
Arklow
Gorey
Maynooth
Naas
Leixlip
Portmarnock
Castleknock

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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