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Cheap flights from Belfast to Ireland from €56

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 Ireland departing on 11/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:35 - 22:25BFS-DUB
8h 50m1 stop
Multiple Airlines Logo
06:40 - 20:45DUB-BFS
14h 05m1 stop
€111Multiple Airlines
Find Deal
Thu, 8 Jan - Mon, 12 Jan
Multiple Airlines Logo
07:00 - 13:45BFS-DUB
6h 45m1 stop
Multiple Airlines Logo
11:45 - 19:55DUB-BFS
8h 10m1 stop
€115Multiple Airlines
Find Deal
Mon, 12 Jan - Tue, 13 Jan
Multiple Airlines Logo
09:15 - 18:05BFS-ORK
8h 50m1 stop
Multiple Airlines Logo
22:40 - 06:45ORK-BFS
8h 05m1 stop
€115Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Multiple Airlines Logo
21:05 - 08:50BFS-DUB
11h 45m1 stop
Multiple Airlines Logo
06:30 - 16:00DUB-BFS
9h 30m1 stop
€118Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Aer Lingus Logo
06:50 - 21:10BHD-DUB
14h 20m1 stop
Aer Lingus Logo
06:40 - 11:20DUB-BHD
4h 40m1 stop
€158Aer Lingus
Find Deal
Fri, 12 Dec - Mon, 15 Dec
Aer Lingus Logo
08:20 - 21:10BHD-DUB
12h 50m1 stop
Aer Lingus Logo
07:20 - 12:50DUB-BHD
5h 30m1 stop
€176Aer Lingus
Find Deal
Fri, 12 Dec - Mon, 15 Dec
British Airways Logo
06:35 - 15:05BHD-DUB
8h 30m1 stop
British Airways Logo
08:50 - 13:55DUB-BHD
5h 05m1 stop
€193British Airways
Find Deal
Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
10:40 - 17:00BHD-DUB
6h 20m1 stop
British Airways Logo
10:45 - 18:40DUB-BHD
7h 55m1 stop
€194British Airways
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Thu, 8 Jan - Mon, 12 Jan
KLM Logo
06:30 - 16:45BHD-ORK
10h 15m1 stop
KLM Logo
06:00 - 21:00ORK-BHD
15h 00m1 stop
€325KLM
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Sat, 7 Mar - Mon, 9 Mar
KLM Logo
06:30 - 16:45BHD-ORK
10h 15m1 stop
KLM Logo
06:00 - 21:00ORK-BHD
15h 00m1 stop
€325KLM
Find Deal
Sat, 7 Mar - Mon, 9 Mar

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
7 Mar
BHD06:35Belfast City
8h 30m
1 stop
DUB15:05Dublin
9 Mar
DUB08:50Dublin
5h 05m
1 stop
BHD13:55Belfast City
€193
Find similar
British Airways
8 Jan
BHD06:35Belfast City
7h 30m
1 stop
DUB14:05Dublin
12 Jan
DUB10:45Dublin
6h 05m
1 stop
BHD16:50Belfast City
€194
Find similar
British Airways
12 Dec
BHD19:35Belfast City
12h 20m
1 stop
DUB07:55Dublin
15 Dec
DUB20:40Dublin
11h 00m
1 stop
BHD07:40Belfast City
€217
Find similar

Aer Lingus flights from Belfast to Ireland

Our best Aer Lingus deals on Belfast to Ireland flight tickets
Aer Lingus
12 Dec
BHD08:20Belfast City
12h 50m
1 stop
DUB21:10Dublin
15 Dec
DUB07:20Dublin
5h 30m
1 stop
BHD12:50Belfast City
€176
Find similar
Aer Lingus
8 Jan
BHD08:20Belfast City
4h 55m
1 stop
DUB13:15Dublin
12 Jan
DUB06:40Dublin
7h 45m
1 stop
BHD14:25Belfast City
€195
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Belfast to Ireland 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 14 November 2025.
Use the filters below to find and compare flights from Belfast to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 8/1

13:35-22:25

1 stop8h 50m

Dublin

Mon 12/1

06:40-20:45

1 stop14h 05m

€111

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 12/1

07:00-13:45

1 stop6h 45m

Dublin

Tue 13/1

11:45-19:55

1 stop8h 10m

€115

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 6/12

09:15-18:05

1 stop8h 50m

Cork

Sat 13/12

22:40-06:45

1 stop8h 05m

€115

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 3/12

21:05-08:50

1 stop11h 45m

Dublin

Wed 10/12

06:30-16:00

1 stop9h 30m

€118

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Fri 12/12

06:50-21:10

1 stop14h 20m

Dublin

Mon 15/12

06:40-11:20

1 stop4h 40m

€158

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Fri 12/12

08:20-21:10

1 stop12h 50m

Dublin

Mon 15/12

07:20-12:50

1 stop5h 30m

€176

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

06:35-15:05

1 stop8h 30m

Dublin

Mon 9/3

08:50-13:55

1 stop5h 05m

€193

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 8/1

10:40-17:00

1 stop6h 20m

Dublin

Mon 12/1

10:45-18:40

1 stop7h 55m

€194

BelfastCork

BHD - ORK

BHDORK

Belfast City

Sat 7/3

06:30-16:45

1 stop10h 15m

Cork

Mon 9/3

06:00-21:00

1 stop15h 00m

€325

BelfastCork

BHD - ORK

BHDORK

Belfast City

Sat 7/3

06:30-16:45

1 stop10h 15m

Cork

Mon 9/3

06:00-21:00

1 stop15h 00m

€325

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
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Cheap Belfast to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Ireland

Direct flights

None
There are no direct flights from Belfast to Ireland. There are no popular flight routes from Belfast to Ireland.
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  • When did momondo last update prices for flights from Belfast to Ireland?

    Prices for flights from Belfast to Ireland were last updated today.

  • How old do you have to be to fly from Belfast to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

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

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Ireland?

It is quick and easy to find Belfast to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Belfast to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Belfast which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Belfast to Ireland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ireland from Belfast.

I’m not ready to book a flight from Belfast to Ireland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Belfast to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.

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