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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 26/3. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:25 - 09:25
BFS
-
DUB
11h 00m
1 stop
Multiple Airlines Logo
20:00 - 09:05
DUB
-
BFS
13h 05m
1 stop
€91Multiple Airlines
Sat, 21 Mar - Mon, 23 Mar
Multiple Airlines Logo
12:45 - 16:30
BFS
-
DUB
3h 45m
1 stop
Multiple Airlines Logo
15:00 - 22:00
DUB
-
BFS
7h 00m
1 stop
€94Multiple Airlines
Sat, 21 Mar - Sat, 28 Mar
Multiple Airlines Logo
05:45 - 11:35
BFS
-
DUB
5h 50m
1 stop
Multiple Airlines Logo
06:30 - 12:00
DUB
-
BFS
5h 30m
1 stop
€99Multiple Airlines
Sat, 21 Mar - Sun, 22 Mar
Multiple Airlines Logo
22:20 - 07:50
BFS
-
DUB
9h 30m
1 stop
Multiple Airlines Logo
12:30 - 18:55
DUB
-
BFS
6h 25m
1 stop
€100Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
Multiple Airlines Logo
05:45 - 11:35
BFS
-
DUB
5h 50m
1 stop
Multiple Airlines Logo
06:45 - 10:20
DUB
-
BFS
3h 35m
1 stop
€101Multiple Airlines
Sun, 22 Mar - Wed, 25 Mar
Multiple Airlines Logo
05:45 - 09:50
BFS
-
DUB
4h 05m
1 stop
Multiple Airlines Logo
06:30 - 12:00
DUB
-
BFS
5h 30m
1 stop
€102Multiple Airlines
Sun, 1 Mar - Sun, 8 Mar
Multiple Airlines Logo
07:50 - 12:50
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
15:30 - 18:55
DUB
-
BFS
3h 25m
1 stop
€103Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
Multiple Airlines Logo
18:00 - 23:25
BFS
-
DUB
5h 25m
1 stop
Multiple Airlines Logo
20:25 - 07:25
DUB
-
BFS
11h 00m
1 stop
€107Multiple Airlines
Fri, 20 Mar - Fri, 27 Mar
British Airways Logo
09:40 - 18:40
BHD
-
DUB
9h 00m
1 stop
British Airways Logo
20:30 - 08:50
DUB
-
BHD
12h 20m
1 stop
€205British Airways
Tue, 21 Apr - Wed, 22 Apr
KLM Logo
06:30 - 12:40
BHD
-
DUB
6h 10m
1 stop
KLM Logo
05:55 - 16:50
DUB
-
BHD
10h 55m
1 stop
€244KLM
Sat, 21 Mar - Mon, 23 Mar

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
21 Apr
BHD09:40Belfast City
9h 00m
1 stop
DUB18:40Dublin
22 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€205
British Airways
14 Feb
BHD11:35Belfast City
8h 15m
1 stop
DUB19:50Dublin
18 Feb
DUB20:40Dublin
12h 30m
1 stop
BHD09:10Belfast City
€283
British Airways
14 Feb
BHD11:35Belfast City
8h 15m
1 stop
DUB19:50Dublin
18 Feb
DUB08:50Dublin
6h 00m
1 stop
BHD14:50Belfast City
€290

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 4 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

Sat 21/3

22:25-09:25

1 stop11h 00m

Dublin

Mon 23/3

20:00-09:05

1 stop13h 05m

€91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 21/3

12:45-16:30

1 stop3h 45m

Dublin

Sat 28/3

15:00-22:00

1 stop7h 00m

€94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 21/3

05:45-11:35

1 stop5h 50m

Dublin

Sun 22/3

06:30-12:00

1 stop5h 30m

€99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 2/3

22:20-07:50

1 stop9h 30m

Dublin

Mon 9/3

12:30-18:55

1 stop6h 25m

€100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 22/3

05:45-11:35

1 stop5h 50m

Dublin

Wed 25/3

06:45-10:20

1 stop3h 35m

€101

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 1/3

05:45-09:50

1 stop4h 05m

Dublin

Sun 8/3

06:30-12:00

1 stop5h 30m

€102

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 2/3

07:50-12:50

1 stop5h 00m

Dublin

Mon 9/3

15:30-18:55

1 stop3h 25m

€103

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 20/3

18:00-23:25

1 stop5h 25m

Dublin

Fri 27/3

20:25-07:25

1 stop11h 00m

€107

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Tue 21/4

09:40-18:40

1 stop9h 00m

Dublin

Wed 22/4

20:30-08:50

1 stop12h 20m

€205

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 21/3

06:30-12:40

1 stop6h 10m

Dublin

Mon 23/3

05:55-16:50

1 stop10h 55m

€244

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 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

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.
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  • How far is Belfast to Dublin by plane?

    There are 140.9 km between Belfast and Dublin. 4h 45m 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
Swords
Dundalk
Tullamore
Kildare
Bray
Mullingar
Enniscorthy
Maynooth
Gorey
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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