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Cheap flights from Belfast to Ireland from €67

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 1/10. 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

Multiple Airlines Logo
06:15 - 17:50BFS-DUB
11h 35m1 stop
Multiple Airlines Logo
21:50 - 07:25DUB-BFS
9h 35m1 stop
€106Multiple Airlines
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Thu, 27 Nov - Thu, 27 Nov
Multiple Airlines Logo
17:05 - 00:30BFS-DUB
7h 25m1 stop
Multiple Airlines Logo
10:55 - 01:15DUB-BFS
14h 20m1 stop
€115Multiple Airlines
Find Deal
Wed, 1 Oct - Wed, 8 Oct
Multiple Airlines Logo
08:20 - 12:20BFS-DUB
4h 00m1 stop
Multiple Airlines Logo
09:20 - 14:35DUB-BFS
5h 15m1 stop
€116Multiple Airlines
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Multiple Airlines Logo
12:50 - 18:20BFS-DUB
5h 30m1 stop
Multiple Airlines Logo
06:45 - 10:20DUB-BFS
3h 35m1 stop
€118Multiple Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
British Airways Logo
09:15 - 19:50BHD-DUB
10h 35m1 stop
British Airways Logo
10:45 - 18:40DUB-BHD
7h 55m1 stop
€175British Airways
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Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
10:40 - 17:00BHD-DUB
6h 20m1 stop
British Airways Logo
08:50 - 13:15DUB-BHD
4h 25m1 stop
€184British Airways
Find Deal
Thu, 6 Nov - Mon, 10 Nov
British Airways Logo
15:05 - 19:50BHD-DUB
4h 45m1 stop
British Airways Logo
17:55 - 07:40DUB-BHD
13h 45m1 stop
€184British Airways
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Sat, 7 Mar - Mon, 9 Mar
KLM Logo
17:20 - 23:25BHD-ORK
6h 05m1 stop
KLM Logo
11:15 - 16:50ORK-BHD
5h 35m1 stop
€300KLM
Find Deal
Sat, 8 Nov - Sat, 15 Nov
KLM Logo
17:20 - 22:10BHD-DUB
4h 50m1 stop
KLM Logo
08:50 - 21:00DUB-BHD
12h 10m1 stop
€323KLM
Find Deal
Thu, 6 Nov - Mon, 10 Nov
KLM Logo
17:20 - 15:00BHD-ORK
21h 40m2 stops
KLM Logo
11:15 - 16:50ORK-BHD
5h 35m1 stop
€350KLM
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Sat, 8 Nov - Sat, 15 Nov

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
7 Mar
BHD09:15Belfast City
10h 35m
1 stop
DUB19:50Dublin
9 Mar
DUB10:45Dublin
7h 55m
1 stop
BHD18:40Belfast City
€175
Find similar
British Airways
6 Nov
BHD10:40Belfast City
6h 20m
1 stop
DUB17:00Dublin
10 Nov
DUB08:50Dublin
4h 25m
1 stop
BHD13:15Belfast City
€184
Find similar
British Airways
7 Mar
BHD15:05Belfast City
4h 45m
1 stop
DUB19:50Dublin
9 Mar
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
€184
Find similar

KLM flights from Belfast to Ireland

Our best KLM deals on Belfast to Ireland flight tickets
KLM
8 Nov
BHD17:20Belfast City
6h 05m
1 stop
ORK23:25Cork
15 Nov
ORK11:15Cork
5h 35m
1 stop
BHD16:50Belfast City
€300
Find similar
KLM
6 Nov
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
10 Nov
DUB08:50Dublin
12h 10m
1 stop
BHD21:00Belfast City
€323
Find similar
KLM
8 Nov
BHD17:20Belfast City
21h 40m
2 stops
ORK15:00Cork
15 Nov
ORK11:15Cork
5h 35m
1 stop
BHD16:50Belfast City
€350
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 16 September 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 27/11

06:15-17:50

1 stop11h 35m

Dublin

Thu 27/11

21:50-07:25

1 stop9h 35m

€106

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 1/10

17:05-00:30

1 stop7h 25m

Dublin

Wed 8/10

10:55-01:15

1 stop14h 20m

€115

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 7/10

08:20-12:20

1 stop4h 00m

Dublin

Tue 14/10

09:20-14:35

1 stop5h 15m

€116

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 29/10

12:50-18:20

1 stop5h 30m

Dublin

Wed 5/11

06:45-10:20

1 stop3h 35m

€118

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

09:15-19:50

1 stop10h 35m

Dublin

Mon 9/3

10:45-18:40

1 stop7h 55m

€175

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 6/11

10:40-17:00

1 stop6h 20m

Dublin

Mon 10/11

08:50-13:15

1 stop4h 25m

€184

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

15:05-19:50

1 stop4h 45m

Dublin

Mon 9/3

17:55-07:40

1 stop13h 45m

€184

BelfastCork

BHD - ORK

BHDORK

Belfast City

Sat 8/11

17:20-23:25

1 stop6h 05m

Cork

Sat 15/11

11:15-16:50

1 stop5h 35m

€300

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 6/11

17:20-22:10

1 stop4h 50m

Dublin

Mon 10/11

08:50-21:00

1 stop12h 10m

€323

BelfastCork

BHD - ORK

BHDORK

Belfast City

Sat 8/11

17:20-15:00

2 stops21h 40m

Cork

Sat 15/11

11:15-16:50

1 stop5h 35m

€350

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 Ireland from

How to get the cheapest flight ticket from Belfast to Ireland

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 Ireland?

British Airways is the most popular carrier operating from Belfast to Ireland

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.

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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Find better results for your trip to Ireland

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