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Cheap flights from Belfast to Dublin from €48

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 6/5. 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
16:35 - 21:35
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
11:30 - 18:55
DUB
-
BFS
7h 25m
1 stop
€94Multiple Airlines
Thu, 19 Mar - Mon, 23 Mar
Multiple Airlines Logo
15:45 - 20:05
BFS
-
DUB
4h 20m
1 stop
Multiple Airlines Logo
06:45 - 10:20
DUB
-
BFS
3h 35m
1 stop
€95Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
05:45 - 09:50
BFS
-
DUB
4h 05m
1 stop
Multiple Airlines Logo
06:30 - 12:20
DUB
-
BFS
5h 50m
1 stop
€97Multiple Airlines
Tue, 24 Mar - Tue, 31 Mar
Multiple Airlines Logo
15:45 - 23:05
BFS
-
DUB
7h 20m
1 stop
Multiple Airlines Logo
06:45 - 10:20
DUB
-
BFS
3h 35m
1 stop
€98Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
06:15 - 17:50
BFS
-
DUB
11h 35m
1 stop
Multiple Airlines Logo
08:30 - 21:55
DUB
-
BFS
13h 25m
1 stop
€99Multiple Airlines
Thu, 19 Mar - Mon, 23 Mar
Multiple Airlines Logo
23:10 - 07:50
BFS
-
DUB
8h 40m
1 stop
Multiple Airlines Logo
21:45 - 08:25
DUB
-
BFS
10h 40m
1 stop
€100Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Multiple Airlines Logo
14:00 - 23:45
BFS
-
DUB
9h 45m
1 stop
Multiple Airlines Logo
22:00 - 06:55
DUB
-
BFS
8h 55m
1 stop
€101Multiple Airlines
Thu, 12 Mar - Fri, 13 Mar
Multiple Airlines Logo
06:00 - 16:30
BFS
-
DUB
10h 30m
1 stop
Multiple Airlines Logo
05:45 - 18:55
DUB
-
BFS
13h 10m
1 stop
€109Multiple Airlines
Sat, 21 Mar - Mon, 23 Mar
Multiple Airlines Logo
12:45 - 16:30
BFS
-
DUB
3h 45m
1 stop
Multiple Airlines Logo
20:00 - 09:05
DUB
-
BFS
13h 05m
1 stop
€109Multiple Airlines
Sat, 21 Mar - Mon, 23 Mar
Multiple Airlines Logo
18:00 - 23:05
BFS
-
DUB
5h 05m
1 stop
Multiple Airlines Logo
06:30 - 12:00
DUB
-
BFS
5h 30m
1 stop
€111Multiple Airlines
Fri, 20 Mar - Sun, 22 Mar

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
21 Apr
BHD18:20Belfast City
13h 20m
1 stop
DUB07:40Dublin
22 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€202
British Airways
21 Apr
BHD13:45Belfast City
4h 55m
1 stop
DUB18:40Dublin
22 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€203
British Airways
19 Mar
BHD20:00Belfast City
11h 55m
1 stop
DUB07:55Dublin
23 Mar
DUB20:40Dublin
11h 00m
1 stop
BHD07:40Belfast City
€248

KLM flights from Belfast to Dublin

Our best KLM deals on Belfast to Dublin flight tickets
KLM
19 Mar
BHD06:30Belfast City
6h 10m
1 stop
DUB12:40Dublin
23 Mar
DUB05:55Dublin
10h 55m
1 stop
BHD16:50Belfast City
€227
KLM
19 Mar
BHD06:30Belfast City
9h 50m
1 stop
DUB16:20Dublin
23 Mar
DUB05:55Dublin
10h 55m
1 stop
BHD16:50Belfast City
€241

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 10 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

Thu 19/3

16:35-21:35

1 stop5h 00m

Dublin

Mon 23/3

11:30-18:55

1 stop7h 25m

€94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 18/3

15:45-20:05

1 stop4h 20m

Dublin

Wed 25/3

06:45-10:20

1 stop3h 35m

€95

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 24/3

05:45-09:50

1 stop4h 05m

Dublin

Tue 31/3

06:30-12:20

1 stop5h 50m

€97

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 18/3

15:45-23:05

1 stop7h 20m

Dublin

Wed 25/3

06:45-10:20

1 stop3h 35m

€98

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 19/3

06:15-17:50

1 stop11h 35m

Dublin

Mon 23/3

08:30-21:55

1 stop13h 25m

€99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 7/3

23:10-07:50

1 stop8h 40m

Dublin

Sat 14/3

21:45-08:25

1 stop10h 40m

€100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 12/3

14:00-23:45

1 stop9h 45m

Dublin

Fri 13/3

22:00-06:55

1 stop8h 55m

€101

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 21/3

06:00-16:30

1 stop10h 30m

Dublin

Mon 23/3

05:45-18:55

1 stop13h 10m

€109

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 21/3

12:45-16:30

1 stop3h 45m

Dublin

Mon 23/3

20:00-09:05

1 stop13h 05m

€109

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 20/3

18:00-23:05

1 stop5h 05m

Dublin

Sun 22/3

06:30-12:00

1 stop5h 30m

€111

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 35m

Direct flights

None
The fastest flight from Belfast to Dublin takes 3h 35m
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. 3h 35m 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.

  • How do I get Price Alerts for flights from Belfast to Dublin?

    Search flight deals from Belfast to Dublin. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Belfast to Dublin with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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
Tullamore
Dundalk
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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