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Cheap flights from Belfast to Dublin from €46

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 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
07:35 - 14:05
BFS
-
DUB
6h 30m
1 stop
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
€86Multiple Airlines
Tue, 23 Jun - Tue, 30 Jun
Multiple Airlines Logo
12:45 - 23:55
BFS
-
DUB
11h 10m
1 stop
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
€87Multiple Airlines
Thu, 23 Jul - Sun, 26 Jul
Multiple Airlines Logo
07:30 - 20:45
BFS
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
06:05 - 18:55
DUB
-
BFS
12h 50m
1 stop
€88Multiple Airlines
Wed, 22 Jul - Fri, 31 Jul
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
Multiple Airlines Logo
10:20 - 15:20
DUB
-
BFS
5h 00m
1 stop
€89Multiple Airlines
Tue, 16 Jun - Thu, 18 Jun
Multiple Airlines Logo
23:30 - 08:25
BFS
-
DUB
8h 55m
1 stop
Multiple Airlines Logo
10:20 - 22:20
DUB
-
BFS
12h 00m
1 stop
€89Multiple Airlines
Tue, 7 Jul - Thu, 16 Jul
Multiple Airlines Logo
07:30 - 16:00
BFS
-
DUB
8h 30m
1 stop
Multiple Airlines Logo
06:05 - 18:55
DUB
-
BFS
12h 50m
1 stop
€90Multiple Airlines
Wed, 22 Jul - Fri, 31 Jul
Multiple Airlines Logo
22:45 - 07:15
BFS
-
DUB
8h 30m
1 stop
Multiple Airlines Logo
15:45 - 22:20
DUB
-
BFS
6h 35m
1 stop
€91Multiple Airlines
Thu, 25 Jun - Thu, 2 Jul
Multiple Airlines Logo
19:20 - 23:00
BFS
-
DUB
3h 40m
1 stop
Multiple Airlines Logo
12:15 - 21:15
DUB
-
BFS
9h 00m
1 stop
€92Multiple Airlines
Fri, 26 Jun - Sat, 25 Jul
Multiple Airlines Logo
19:20 - 01:00
BFS
-
DUB
5h 40m
1 stop
Multiple Airlines Logo
06:20 - 18:25
DUB
-
BFS
12h 05m
1 stop
€93Multiple Airlines
Fri, 17 Jul - Mon, 20 Jul
Multiple Airlines Logo
12:45 - 18:10
BFS
-
DUB
5h 25m
1 stop
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
€95Multiple Airlines
Thu, 9 Jul - Sun, 12 Jul

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
18 Jul
BHD19:05Belfast City
12h 40m
1 stop
DUB07:45Dublin
22 Jul
DUB17:50Dublin
15h 00m
1 stop
BHD08:50Belfast City
€191
British Airways
28 Jul
BHD09:40Belfast City
9h 00m
1 stop
DUB18:40Dublin
29 Jul
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€192
British Airways
28 Jul
BHD06:30Belfast City
12h 10m
1 stop
DUB18:40Dublin
29 Jul
DUB10:30Dublin
8h 25m
1 stop
BHD18:55Belfast City
€193

Aer Lingus flights from Belfast to Dublin

Our best Aer Lingus deals on Belfast to Dublin flight tickets
Aer Lingus
17 Jul
BHD14:30Belfast City
6h 25m
1 stop
DUB20:55Dublin
20 Jul
DUB07:10Dublin
13h 40m
1 stop
BHD20:50Belfast City
€243
Aer Lingus
9 Jul
BHD07:00Belfast City
15h 05m
1 stop
DUB22:05Dublin
12 Jul
DUB09:55Dublin
11h 10m
1 stop
BHD21:05Belfast City
€272
Aer Lingus
4 Jun
BHD09:50Belfast City
3h 25m
1 stop
DUB13:15Dublin
10 Jun
DUB14:05Dublin
3h 40m
1 stop
BHD17:45Belfast City
€356

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 29 May 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

Tue 23/6

07:35-14:05

1 stop6h 30m

Dublin

Tue 30/6

21:20-07:05

1 stop9h 45m

€86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 23/7

12:45-23:55

1 stop11h 10m

Dublin

Sun 26/7

23:10-08:15

1 stop9h 05m

€87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 22/7

07:30-20:45

1 stop13h 15m

Dublin

Fri 31/7

06:05-18:55

1 stop12h 50m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 16/6

07:35-16:25

1 stop8h 50m

Dublin

Thu 18/6

10:20-15:20

1 stop5h 00m

€89

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 7/7

23:30-08:25

1 stop8h 55m

Dublin

Thu 16/7

10:20-22:20

1 stop12h 00m

€89

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 22/7

07:30-16:00

1 stop8h 30m

Dublin

Fri 31/7

06:05-18:55

1 stop12h 50m

€90

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 25/6

22:45-07:15

1 stop8h 30m

Dublin

Thu 2/7

15:45-22:20

1 stop6h 35m

€91
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 26/6

19:20-23:00

1 stop3h 40m

Dublin

Sat 25/7

12:15-21:15

1 stop9h 00m

€92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/7

19:20-01:00

1 stop5h 40m

Dublin

Mon 20/7

06:20-18:25

1 stop12h 05m

€93

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 9/7

12:45-18:10

1 stop5h 25m

Dublin

Sun 12/7

23:10-08:15

1 stop9h 05m

€95

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

5h 40m

Direct flights

None
The fastest flight from Belfast to Dublin takes 5h 40m
There are no direct flights from Belfast to Dublin. There are no popular flight routes from Belfast to Dublin.
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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. 5h 40m 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.

Frequently asked questions about flying from Belfast to Dublin

  • 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
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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