Latest deals
Insights
FAQs
Price Alerts

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 10/9. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Belfast to Dublin

Cheap return flights

Logo
09:15 - 15:20BFS-DUB
6h 05m1 stop
Logo
07:40 - 13:00DUB-BFS
5h 20m1 stop
€111
Find Deal
Thu, 25 Sep - Thu, 2 Oct
Logo
15:20 - 22:05BHD-DUB
6h 45m1 stop
Logo
12:45 - 19:35DUB-BHD
6h 50m1 stop
€118
Find Deal
Thu, 25 Sep - Thu, 2 Oct
Logo
07:05 - 12:25BFS-DUB
5h 20m1 stop
Logo
21:25 - 06:55DUB-BFS
9h 30m1 stop
€121
Find Deal
Wed, 1 Oct - Fri, 31 Oct
Logo
13:40 - 18:55BFS-DUB
5h 15m1 stop
Logo
08:30 - 16:10DUB-BFS
7h 40m1 stop
€123
Find Deal
Tue, 21 Oct - Thu, 30 Oct
Logo
06:35 - 13:50BFS-DUB
7h 15m1 stop
Logo
16:00 - 21:05DUB-BFS
5h 05m1 stop
€131
Find Deal
Thu, 2 Oct - Mon, 6 Oct
British Airways Logo
12:40 - 17:30BHD-DUB
4h 50m1 stop
British Airways Logo
10:30 - 14:40DUB-BHD
4h 10m1 stop
€188British Airways
Find Deal
Thu, 2 Oct - Mon, 6 Oct
British Airways Logo
09:35 - 17:30BHD-DUB
7h 55m1 stop
British Airways Logo
10:30 - 17:40DUB-BHD
7h 10m1 stop
€188British Airways
Find Deal
Thu, 2 Oct - Mon, 6 Oct
Aer Lingus Logo
11:00 - 18:40BHD-DUB
7h 40m1 stop
Aer Lingus Logo
14:25 - 20:50DUB-BHD
6h 25m1 stop
€247Aer Lingus
Find Deal
Thu, 2 Oct - Mon, 6 Oct
Aer Lingus Logo
11:00 - 22:05BHD-DUB
11h 05m1 stop
Aer Lingus Logo
07:30 - 20:50DUB-BHD
13h 20m1 stop
€299Aer Lingus
Find Deal
Thu, 2 Oct - Mon, 6 Oct
British Airways Logo
20:05 - 07:40BHD-DUB
11h 35m1 stop
British Airways Logo
06:50 - 13:05DUB-BHD
6h 15m2 stops
€320British Airways
Find Deal
Fri, 3 Oct - Mon, 6 Oct

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
2 Oct
BHD12:40Belfast City
4h 50m
1 stop
DUB17:30Dublin
6 Oct
DUB10:30Dublin
4h 10m
1 stop
BHD14:40Belfast City
€188
Find similar
British Airways
2 Oct
BHD09:35Belfast City
7h 55m
1 stop
DUB17:30Dublin
6 Oct
DUB10:30Dublin
7h 10m
1 stop
BHD17:40Belfast City
€188
Find similar
British Airways
3 Oct
BHD20:05Belfast City
11h 35m
1 stop
DUB07:40Dublin
6 Oct
DUB06:50Dublin
6h 15m
2 stops
BHD13:05Belfast City
€320
Find similar

Aer Lingus flights from Belfast to Dublin

Our best Aer Lingus deals on Belfast to Dublin flight tickets
Aer Lingus
2 Oct
BHD11:00Belfast City
7h 40m
1 stop
DUB18:40Dublin
6 Oct
DUB14:25Dublin
6h 25m
1 stop
BHD20:50Belfast City
€247
Find similar
Aer Lingus
2 Oct
BHD11:00Belfast City
11h 05m
1 stop
DUB22:05Dublin
6 Oct
DUB07:30Dublin
13h 20m
1 stop
BHD20:50Belfast City
€299
Find similar

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 30 August 2025.
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 25/9

09:15-15:20

1 stop6h 05m

Dublin

Thu 2/10

07:40-13:00

1 stop5h 20m

€111

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 25/9

15:20-22:05

1 stop6h 45m

Dublin

Thu 2/10

12:45-19:35

1 stop6h 50m

€118

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 1/10

07:05-12:25

1 stop5h 20m

Dublin

Fri 31/10

21:25-06:55

1 stop9h 30m

€121

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 21/10

13:40-18:55

1 stop5h 15m

Dublin

Thu 30/10

08:30-16:10

1 stop7h 40m

€123

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 2/10

06:35-13:50

1 stop7h 15m

Dublin

Mon 6/10

16:00-21:05

1 stop5h 05m

€131

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

12:40-17:30

1 stop4h 50m

Dublin

Mon 6/10

10:30-14:40

1 stop4h 10m

€188

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

09:35-17:30

1 stop7h 55m

Dublin

Mon 6/10

10:30-17:40

1 stop7h 10m

€188

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

11:00-18:40

1 stop7h 40m

Dublin

Mon 6/10

14:25-20:50

1 stop6h 25m

€247

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

11:00-22:05

1 stop11h 05m

Dublin

Mon 6/10

07:30-20:50

1 stop13h 20m

€299

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Fri 3/10

20:05-07:40

1 stop11h 35m

Dublin

Mon 6/10

06:50-13:05

2 stops6h 15m

€320

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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?

British Airways 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

Direct flights

None
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 25m 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
Swords
Cavan
Dundalk
Enniscorthy
Tullamore
Kildare
Naas
Mullingar
Maynooth
Arklow
Bray
Drogheda
Gorey
Malahide
Carlingford
Portmarnock
Leixlip

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.

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/9
Thu 11/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland