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Cheap flights from Belfast to Dublin from €55

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 15/4. 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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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
€83Multiple 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
€86Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
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
€87Multiple Airlines
Fri, 17 Apr - Mon, 20 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
€89Multiple 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
€91Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
07:55 - 16:15
BFS
-
DUB
8h 20m
1 stop
Multiple Airlines Logo
06:30 - 15:15
DUB
-
BFS
8h 45m
1 stop
€94Multiple Airlines
Wed, 25 Mar - Wed, 1 Apr
Multiple Airlines Logo
11:50 - 23:00
BHD
-
DUB
11h 10m
1 stop
Multiple Airlines Logo
06:20 - 17:50
DUB
-
BHD
11h 30m
1 stop
€94Multiple Airlines
Wed, 25 Mar - Wed, 1 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
€96Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
05:45 - 09:50
BFS
-
DUB
4h 05m
1 stop
Multiple Airlines Logo
11:30 - 16:15
DUB
-
BFS
4h 45m
1 stop
€97Multiple Airlines
Tue, 24 Mar - Tue, 31 Mar
Multiple Airlines Logo
19:20 - 01:00
BFS
-
DUB
5h 40m
1 stop
Multiple Airlines Logo
14:55 - 19:30
DUB
-
BFS
4h 35m
1 stop
€97Multiple Airlines
Fri, 10 Apr - Fri, 17 Apr

Aer Lingus flights from Belfast to Dublin

Our best Aer Lingus deals on Belfast to Dublin flight tickets
Aer Lingus
8 Mar
BHD06:50Belfast City
11h 10m
1 stop
DUB18:00Dublin
9 Mar
DUB06:40Dublin
6h 10m
1 stop
BHD12:50Belfast City
€166
Aer Lingus
24 Mar
BHD17:55Belfast City
15h 25m
1 stop
DUB09:20Dublin
26 Mar
DUB08:00Dublin
5h 50m
1 stop
BHD13:50Belfast City
€305

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
21 Apr
BHD20:25Belfast City
11h 15m
1 stop
DUB07:40Dublin
22 Apr
DUB15:25Dublin
4h 15m
1 stop
BHD19:40Belfast City
€202
British Airways
14 Mar
BHD18:00Belfast City
18h 45m
1 stop
DUB12:45Dublin
21 Mar
DUB20:40Dublin
11h 35m
1 stop
BHD08:15Belfast City
€246
British Airways
11 Mar
BHD11:25Belfast City
5h 35m
1 stop
DUB17:00Dublin
18 Mar
DUB20:40Dublin
12h 30m
1 stop
BHD09:10Belfast City
€287

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 13,528 searches. Data last updated 28 February 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

€83

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

€86

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

€87

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

€89

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

€91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 25/3

07:55-16:15

1 stop8h 20m

Dublin

Wed 1/4

06:30-15:15

1 stop8h 45m

€94

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Wed 25/3

11:50-23:00

1 stop11h 10m

Dublin

Wed 1/4

06:20-17:50

1 stop11h 30m

€94

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

€96

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 24/3

05:45-09:50

1 stop4h 05m

Dublin

Tue 31/3

11:30-16:15

1 stop4h 45m

€97

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 10/4

19:20-01:00

1 stop5h 40m

Dublin

Fri 17/4

14:55-19:30

1 stop4h 35m

€97

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?

Ryanair and Aer Lingus are the most popular carriers 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

4h 55m

Direct flights

None
The fastest flight from Belfast to Dublin takes 4h 55m
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?

    There are 140.9 km between Belfast and Dublin. 4h 55m 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 refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Dublin Airport.

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

    The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Dublin?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to Dublin for you.

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

Yes. momondo enables you to select and highlight flights to Dublin from Belfast with this policy.

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

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 Belfast to Dublin.

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

Yes momondo offers price alerts on flights to Dublin from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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