Cheap flights from Belfast to Ireland 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 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.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:50 - 18:20BFS-DUB
10h 30m1 stop
Multiple Airlines Logo
20:55 - 08:55DUB-BFS
12h 00m1 stop
€89Multiple Airlines
Find Deal
Mon, 5 Jan - Mon, 12 Jan
Multiple Airlines Logo
07:50 - 14:55BFS-DUB
7h 05m1 stop
Multiple Airlines Logo
22:55 - 08:55DUB-BFS
10h 00m1 stop
€95Multiple Airlines
Find Deal
Mon, 5 Jan - Mon, 12 Jan
Multiple Airlines Logo
06:00 - 17:50BFS-DUB
11h 50m1 stop
Multiple Airlines Logo
21:40 - 09:05DUB-BFS
11h 25m1 stop
€96Multiple Airlines
Find Deal
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
07:55 - 13:25BFS-DUB
5h 30m1 stop
Multiple Airlines Logo
13:00 - 18:50DUB-BFS
5h 50m1 stop
€99Multiple Airlines
Find Deal
Wed, 7 Jan - Wed, 14 Jan
British Airways Logo
09:05 - 17:00BHD-DUB
7h 55m1 stop
British Airways Logo
10:45 - 18:40DUB-BHD
7h 55m1 stop
€184British Airways
Find Deal
Thu, 15 Jan - Mon, 19 Jan
British Airways Logo
20:00 - 07:55BHD-DUB
11h 55m1 stop
British Airways Logo
20:40 - 07:40DUB-BHD
11h 00m1 stop
€262British Airways
Find Deal
Thu, 11 Dec - Mon, 15 Dec
British Airways Logo
20:00 - 07:55BHD-DUB
11h 55m1 stop
British Airways Logo
20:40 - 07:40DUB-BHD
11h 00m1 stop
€274British Airways
Find Deal
Thu, 11 Dec - Mon, 15 Dec
KLM Logo
17:20 - 15:00BHD-ORK
21h 40m2 stops
KLM Logo
15:40 - 16:50ORK-BHD
25h 10m2 stops
€374KLM
Find Deal
Fri, 16 Jan - Sun, 18 Jan
KLM Logo
17:20 - 15:00BHD-ORK
21h 40m2 stops
KLM Logo
15:40 - 16:50ORK-BHD
25h 10m2 stops
€375KLM
Find Deal
Fri, 16 Jan - Sun, 18 Jan
KLM Logo
17:20 - 16:45BHD-ORK
23h 25m1 stop
KLM Logo
15:40 - 16:50ORK-BHD
25h 10m2 stops
€380KLM
Find Deal
Fri, 16 Jan - Sun, 18 Jan

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
15 Jan
BHD06:35Belfast City
10h 25m
1 stop
DUB17:00Dublin
19 Jan
DUB10:45Dublin
7h 55m
1 stop
BHD18:40Belfast City
British Airways
29 Nov
BHD06:35Belfast City
10h 25m
1 stop
DUB17:00Dublin
1 Dec
DUB15:10Dublin
5h 05m
1 stop
BHD20:15Belfast City
British Airways
29 Nov
BHD06:35Belfast City
13h 15m
1 stop
DUB19:50Dublin
1 Dec
DUB15:10Dublin
5h 05m
1 stop
BHD20:15Belfast City

KLM flights from Belfast to Ireland

Our best KLM deals on Belfast to Ireland flight tickets
KLM
16 Jan
BHD17:20Belfast City
21h 40m
2 stops
ORK15:00Cork
18 Jan
ORK15:40Cork
25h 10m
2 stops
BHD16:50Belfast City
KLM
16 Jan
BHD17:20Belfast City
21h 40m
2 stops
ORK15:00Cork
18 Jan
ORK15:40Cork
25h 10m
2 stops
BHD16:50Belfast City
KLM
16 Jan
BHD17:20Belfast City
23h 25m
1 stop
ORK16:45Cork
18 Jan
ORK15:40Cork
25h 10m
2 stops
BHD16:50Belfast City

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 23 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

Mon 5/1

07:50-18:20

1 stop10h 30m

Dublin

Mon 12/1

20:55-08:55

1 stop12h 00m

€89

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 5/1

07:50-14:55

1 stop7h 05m

Dublin

Mon 12/1

22:55-08:55

1 stop10h 00m

€95

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

06:00-17:50

1 stop11h 50m

Dublin

Mon 19/1

21:40-09:05

1 stop11h 25m

€96

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 7/1

07:55-13:25

1 stop5h 30m

Dublin

Wed 14/1

13:00-18:50

1 stop5h 50m

€99

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

09:05-17:00

1 stop7h 55m

Dublin

Mon 19/1

10:45-18:40

1 stop7h 55m

€184

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 11/12

20:00-07:55

1 stop11h 55m

Dublin

Mon 15/12

20:40-07:40

1 stop11h 00m

€262

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 11/12

20:00-07:55

1 stop11h 55m

Dublin

Mon 15/12

20:40-07:40

1 stop11h 00m

€274

BelfastCork

BHD - ORK

BHDORK

Belfast City

Fri 16/1

17:20-15:00

2 stops21h 40m

Cork

Sun 18/1

15:40-16:50

2 stops25h 10m

€374

BelfastCork

BHD - ORK

BHDORK

Belfast City

Fri 16/1

17:20-15:00

2 stops21h 40m

Cork

Sun 18/1

15:40-16:50

2 stops25h 10m

€375

BelfastCork

BHD - ORK

BHDORK

Belfast City

Fri 16/1

17:20-16:45

1 stop23h 25m

Cork

Sun 18/1

15:40-16:50

2 stops25h 10m

€380

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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.
  • 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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1 adult
Tue 23/12
Tue 30/12

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