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Cheap flights from Belfast to Ireland from €47

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 30/3. 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
18:50 - 23:30
BFS
-
SNN
4h 40m
1 stop
Multiple Airlines Logo
19:55 - 09:05
SNN
-
BFS
13h 10m
1 stop
€97Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
Multiple Airlines Logo
11:45 - 21:05
BFS
-
ORK
9h 20m
1 stop
Multiple Airlines Logo
22:40 - 06:45
ORK
-
BFS
8h 05m
1 stop
€98Multiple Airlines
Fri, 20 Mar - Sat, 21 Mar
Multiple Airlines Logo
08:05 - 17:25
BFS
-
DUB
9h 20m
1 stop
Multiple Airlines Logo
22:55 - 08:55
DUB
-
BFS
10h 00m
1 stop
€100Multiple Airlines
Fri, 6 Mar - Mon, 9 Mar
Multiple Airlines Logo
10:35 - 20:35
BFS
-
DUB
10h 00m
1 stop
Multiple Airlines Logo
07:20 - 16:15
DUB
-
BFS
8h 55m
1 stop
€101Multiple Airlines
Tue, 24 Feb - Tue, 3 Mar
Multiple Airlines Logo
16:55 - 20:05
BHD
-
DUB
3h 10m
1 stop
Multiple Airlines Logo
12:35 - 16:50
DUB
-
BHD
4h 15m
1 stop
€106Multiple Airlines
Wed, 25 Feb - Thu, 26 Feb
Multiple Airlines Logo
21:15 - 09:40
BFS
-
ORK
12h 25m
1 stop
Multiple Airlines Logo
21:00 - 08:20
ORK
-
BFS
11h 20m
1 stop
€106Multiple Airlines
Mon, 9 Mar - Mon, 16 Mar
Aer Lingus Logo
09:45 - 14:55
BHD
-
DUB
5h 10m
1 stop
Aer Lingus Logo
12:25 - 17:20
DUB
-
BHD
4h 55m
1 stop
€194Aer Lingus
Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
09:15 - 17:00
BHD
-
DUB
7h 45m
1 stop
British Airways Logo
10:45 - 16:50
DUB
-
BHD
6h 05m
1 stop
€196British Airways
Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
11:05 - 16:45
BHD
-
SNN
5h 40m
1 stop
British Airways Logo
20:05 - 08:15
SNN
-
BHD
12h 10m
1 stop
€390British Airways
Thu, 26 Feb - Wed, 4 Mar
KLM Logo
17:30 - 10:20
BHD
-
ORK
16h 50m
1 stop
KLM Logo
15:25 - 16:55
ORK
-
BHD
25h 30m
2 stops
€439KLM
Tue, 21 Apr - Wed, 22 Apr

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
7h 45m
1 stop
DUB17:00Dublin
9 Mar
DUB10:45Dublin
6h 05m
1 stop
BHD16:50Belfast City
€196
British Airways
21 Apr
BHD12:40Belfast City
6h 00m
1 stop
DUB18:40Dublin
22 Apr
DUB19:45Dublin
13h 05m
1 stop
BHD08:50Belfast City
€199
British Airways
21 Apr
BHD09:40Belfast City
9h 55m
1 stop
DUB19:35Dublin
22 Apr
DUB19:45Dublin
13h 05m
1 stop
BHD08:50Belfast City
€200

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 25 January 2026.
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

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Mon 2/3

18:50-23:30

1 stop4h 40m

Shannon

Mon 9/3

19:55-09:05

1 stop13h 10m

€97

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Fri 20/3

11:45-21:05

1 stop9h 20m

Cork

Sat 21/3

22:40-06:45

1 stop8h 05m

€98

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 6/3

08:05-17:25

1 stop9h 20m

Dublin

Mon 9/3

22:55-08:55

1 stop10h 00m

€100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 24/2

10:35-20:35

1 stop10h 00m

Dublin

Tue 3/3

07:20-16:15

1 stop8h 55m

€101

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Wed 25/2

16:55-20:05

1 stop3h 10m

Dublin

Thu 26/2

12:35-16:50

1 stop4h 15m

€106

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 9/3

21:15-09:40

1 stop12h 25m

Cork

Mon 16/3

21:00-08:20

1 stop11h 20m

€106

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

09:45-14:55

1 stop5h 10m

Dublin

Mon 9/3

12:25-17:20

1 stop4h 55m

€194

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

09:15-17:00

1 stop7h 45m

Dublin

Mon 9/3

10:45-16:50

1 stop6h 05m

€196

BelfastShannon

BHD - SNN

BHDSNN

Belfast City

Thu 26/2

11:05-16:45

1 stop5h 40m

Shannon

Wed 4/3

20:05-08:15

1 stop12h 10m

€390

BelfastCork

BHD - ORK

BHDORK

Belfast City

Tue 21/4

17:30-10:20

1 stop16h 50m

Cork

Wed 22/4

15:25-16:55

2 stops25h 30m

€439

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Cheap Belfast to Ireland flight deals and tips

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

Fastest flight time

3h 10m

Direct flights

None
The fastest flight from Belfast to Ireland takes 3h 10m
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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