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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 15/7. 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
1 adult, Economy, 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
07:30 - 20:45
BFS
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
06:10 - 19:15
DUB
-
BFS
13h 05m
1 stop
€80Multiple Airlines
Wed, 15 Jul - Thu, 30 Jul
Multiple Airlines Logo
07:30 - 20:45
BFS
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
06:10 - 19:15
DUB
-
BFS
13h 05m
1 stop
€83Multiple Airlines
Wed, 15 Jul - Thu, 30 Jul
Multiple Airlines Logo
15:40 - 20:45
BFS
-
DUB
5h 05m
1 stop
Multiple Airlines Logo
15:45 - 22:20
DUB
-
BFS
6h 35m
1 stop
€84Multiple Airlines
Wed, 15 Jul - Thu, 30 Jul
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
Multiple Airlines Logo
06:05 - 10:00
DUB
-
BFS
3h 55m
1 stop
€88Multiple Airlines
Tue, 14 Jul - Tue, 21 Jul
Multiple Airlines Logo
08:40 - 20:10
BFS
-
DUB
11h 30m
1 stop
Multiple Airlines Logo
14:40 - 21:30
DUB
-
BFS
6h 50m
1 stop
€91Multiple Airlines
Mon, 20 Jul - Mon, 27 Jul
Multiple Airlines Logo
07:30 - 14:50
BFS
-
DUB
7h 20m
1 stop
Multiple Airlines Logo
10:05 - 15:15
DUB
-
BFS
5h 10m
1 stop
€91Multiple Airlines
Wed, 15 Jul - Wed, 22 Jul
Multiple Airlines Logo
16:55 - 23:05
BFS
-
DUB
6h 10m
1 stop
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
€93Multiple Airlines
Sat, 8 Aug - Mon, 10 Aug
Multiple Airlines Logo
21:40 - 10:30
BFS
-
DUB
12h 50m
1 stop
Multiple Airlines Logo
10:05 - 15:15
DUB
-
BFS
5h 10m
1 stop
€94Multiple Airlines
Sat, 1 Aug - Wed, 5 Aug
Multiple Airlines Logo
19:20 - 01:00
BFS
-
DUB
5h 40m
1 stop
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
€95Multiple Airlines
Sun, 26 Jul - Mon, 27 Jul
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
Multiple Airlines Logo
15:40 - 21:30
DUB
-
BFS
5h 50m
1 stop
€97Multiple Airlines
Sat, 25 Jul - Mon, 27 Jul

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British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
19 Sept
BHD19:05Belfast City
12h 40m
1 stop
DUB07:45Dublin
22 Sept
DUB19:30Dublin
13h 30m
1 stop
BHD09:00Belfast City
€192
British Airways
14 Aug
BHD06:30Belfast City
12h 50m
1 stop
DUB19:20Dublin
18 Aug
DUB10:30Dublin
7h 00m
1 stop
BHD17:30Belfast City
€225
British Airways
21 Jul
BHD16:25Belfast City
15h 15m
1 stop
DUB07:40Dublin
23 Jul
DUB08:35Dublin
11h 15m
1 stop
BHD19:50Belfast City
€234

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 17 June 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

Cheapest return flight

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/7

07:30-20:45

1 stop13h 15m

Dublin

Thu 30/7

06:10-19:15

1 stop13h 05m

€80

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/7

07:30-20:45

1 stop13h 15m

Dublin

Thu 30/7

06:10-19:15

1 stop13h 05m

€83
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/7

15:40-20:45

1 stop5h 05m

Dublin

Thu 30/7

15:45-22:20

1 stop6h 35m

€84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 14/7

07:35-16:25

1 stop8h 50m

Dublin

Tue 21/7

06:05-10:00

1 stop3h 55m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 20/7

08:40-20:10

1 stop11h 30m

Dublin

Mon 27/7

14:40-21:30

1 stop6h 50m

€91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/7

07:30-14:50

1 stop7h 20m

Dublin

Wed 22/7

10:05-15:15

1 stop5h 10m

€91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 8/8

16:55-23:05

1 stop6h 10m

Dublin

Mon 10/8

21:10-10:00

1 stop12h 50m

€93

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/8

21:40-10:30

1 stop12h 50m

Dublin

Wed 5/8

10:05-15:15

1 stop5h 10m

€94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 26/7

19:20-01:00

1 stop5h 40m

Dublin

Mon 27/7

21:10-10:00

1 stop12h 50m

€95

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 25/7

21:40-09:10

1 stop11h 30m

Dublin

Mon 27/7

15:40-21:30

1 stop5h 50m

€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?

Aer Lingus and British Airways 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 00m

Direct flights

None
The fastest flight from Belfast to Dublin takes 4h 00m
There are no direct flights from Belfast to Dublin. There are no popular flight routes from Belfast to Dublin.
Search flight deals

Frequently asked questions about flying from Belfast to Dublin

  • How far is Belfast to Dublin by plane?

    There are 140.9 km between Belfast and Dublin. 4h 00m 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
Cavan
Wicklow
Dundalk
Naas
Swords
Bray
Gorey
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Malahide
Carlingford
Enniscorthy
Drogheda
Portmarnock

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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