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Cheap flights from Belfast to Dublin from €65

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 30/6. 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
22:45 - 07:15
BFS
-
DUB
8h 30m
1 stop
Multiple Airlines Logo
15:40 - 21:30
DUB
-
BFS
5h 50m
1 stop
€86Multiple Airlines
Thu, 16 Apr - Mon, 20 Apr
Multiple Airlines Logo
19:45 - 23:25
BFS
-
DUB
3h 40m
1 stop
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
€88Multiple Airlines
Wed, 8 Apr - Sun, 12 Apr
Multiple Airlines Logo
12:45 - 23:25
BFS
-
DUB
10h 40m
1 stop
Multiple Airlines Logo
06:15 - 19:15
DUB
-
BFS
13h 00m
1 stop
€89Multiple Airlines
Thu, 2 Apr - Thu, 9 Apr
Multiple Airlines Logo
21:55 - 08:30
BFS
-
DUB
10h 35m
1 stop
Multiple Airlines Logo
18:15 - 23:20
DUB
-
BFS
5h 05m
1 stop
€90Multiple Airlines
Mon, 13 Apr - Wed, 15 Apr
Multiple Airlines Logo
23:10 - 09:20
BFS
-
DUB
10h 10m
1 stop
Multiple Airlines Logo
14:10 - 21:55
DUB
-
BFS
7h 45m
1 stop
€91Multiple Airlines
Sat, 28 Mar - Mon, 30 Mar
Multiple Airlines Logo
22:25 - 09:25
BFS
-
DUB
11h 00m
1 stop
Multiple Airlines Logo
15:30 - 18:55
DUB
-
BFS
3h 25m
1 stop
€96Multiple Airlines
Sat, 21 Mar - Mon, 23 Mar
Multiple Airlines Logo
05:45 - 09:50
BFS
-
DUB
4h 05m
1 stop
Multiple Airlines Logo
21:30 - 07:25
DUB
-
BFS
9h 55m
1 stop
€99Multiple Airlines
Tue, 24 Mar - Thu, 26 Mar
Multiple Airlines Logo
09:30 - 18:10
BFS
-
DUB
8h 40m
1 stop
Multiple Airlines Logo
06:45 - 16:30
DUB
-
BFS
9h 45m
1 stop
€101Multiple Airlines
Sat, 4 Apr - Sat, 11 Apr
Multiple Airlines Logo
08:40 - 23:35
BFS
-
DUB
14h 55m
1 stop
Multiple Airlines Logo
06:55 - 15:20
DUB
-
BFS
8h 25m
1 stop
€110Multiple Airlines
Mon, 6 Apr - Mon, 13 Apr
Multiple Airlines Logo
12:45 - 18:10
BFS
-
DUB
5h 25m
1 stop
Multiple Airlines Logo
15:40 - 21:30
DUB
-
BFS
5h 50m
1 stop
€110Multiple Airlines
Thu, 16 Apr - Mon, 20 Apr

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
16 Apr
BHD06:30Belfast City
8h 05m
1 stop
DUB14:35Dublin
20 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€203
British Airways
21 Apr
BHD20:25Belfast City
11h 15m
1 stop
DUB07:40Dublin
22 Apr
DUB15:25Dublin
4h 15m
1 stop
BHD19:40Belfast City
€218
British Airways
21 Apr
BHD19:30Belfast City
12h 10m
1 stop
DUB07:40Dublin
22 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€219

KLM flights from Belfast to Dublin

Our best KLM deals on Belfast to Dublin flight tickets
KLM
16 Apr
BHD17:30Belfast City
4h 55m
1 stop
DUB22:25Dublin
20 Apr
DUB05:55Dublin
11h 00m
1 stop
BHD16:55Belfast City
€372
KLM
28 Mar
BHD17:20Belfast City
14h 00m
1 stop
DUB07:20Dublin
30 Mar
DUB11:10Dublin
5h 45m
1 stop
BHD16:55Belfast City
€416

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 20 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 16/4

22:45-07:15

1 stop8h 30m

Dublin

Mon 20/4

15:40-21:30

1 stop5h 50m

€86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 8/4

19:45-23:25

1 stop3h 40m

Dublin

Sun 12/4

23:10-08:15

1 stop9h 05m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 2/4

12:45-23:25

1 stop10h 40m

Dublin

Thu 9/4

06:15-19:15

1 stop13h 00m

€89

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 13/4

21:55-08:30

1 stop10h 35m

Dublin

Wed 15/4

18:15-23:20

1 stop5h 05m

€90

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 28/3

23:10-09:20

1 stop10h 10m

Dublin

Mon 30/3

14:10-21:55

1 stop7h 45m

€91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 21/3

22:25-09:25

1 stop11h 00m

Dublin

Mon 23/3

15:30-18:55

1 stop3h 25m

€96

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 24/3

05:45-09:50

1 stop4h 05m

Dublin

Thu 26/3

21:30-07:25

1 stop9h 55m

€99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 4/4

09:30-18:10

1 stop8h 40m

Dublin

Sat 11/4

06:45-16:30

1 stop9h 45m

€101

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 6/4

08:40-23:35

1 stop14h 55m

Dublin

Mon 13/4

06:55-15:20

1 stop8h 25m

€110

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 16/4

12:45-18:10

1 stop5h 25m

Dublin

Mon 20/4

15:40-21:30

1 stop5h 50m

€110

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 55m

Direct flights

None
The fastest flight from Belfast to Dublin takes 3h 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. 3h 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
Swords
Tullamore
Kildare
Dundalk
Bray
Enniscorthy
Mullingar
Gorey
Maynooth
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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