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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 24/4. 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 Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:30 - 14:50
BFS
-
DUB
7h 20m
1 stop
Multiple Airlines Logo
14:35 - 19:50
DUB
-
BFS
5h 15m
1 stop
€82Multiple Airlines
Wed, 22 Apr - Wed, 29 Apr
Multiple Airlines Logo
18:20 - 07:50
BFS
-
DUB
13h 30m
1 stop
Multiple Airlines Logo
06:15 - 19:15
DUB
-
BFS
13h 00m
1 stop
€87Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
08:55 - 16:00
BFS
-
DUB
7h 05m
1 stop
Multiple Airlines Logo
15:40 - 21:30
DUB
-
BFS
5h 50m
1 stop
€88Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
12:45 - 20:30
BFS
-
DUB
7h 45m
1 stop
Multiple Airlines Logo
10:20 - 15:20
DUB
-
BFS
5h 00m
1 stop
€89Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
07:35 - 15:40
BFS
-
SNN
8h 05m
1 stop
Multiple Airlines Logo
08:00 - 16:15
SNN
-
BFS
8h 15m
1 stop
€91Multiple Airlines
Tue, 21 Apr - Tue, 28 Apr
Multiple Airlines Logo
22:00 - 07:45
BFS
-
SNN
9h 45m
1 stop
Multiple Airlines Logo
07:30 - 11:55
SNN
-
BFS
4h 25m
1 stop
€92Multiple Airlines
Sun, 19 Apr - Sun, 26 Apr
Multiple Airlines Logo
16:40 - 21:00
BFS
-
ORK
4h 20m
1 stop
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
€92Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
09:15 - 17:30
BFS
-
DUB
8h 15m
1 stop
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
€94Multiple Airlines
Tue, 31 Mar - Tue, 7 Apr
British Airways Logo
20:10 - 10:45
BHD
-
ORK
14h 35m
1 stop
British Airways Logo
20:30 - 09:00
ORK
-
BHD
12h 30m
1 stop
€382British Airways
Fri, 17 Apr - Tue, 21 Apr
British Airways Logo
20:10 - 10:45
BHD
-
ORK
14h 35m
1 stop
British Airways Logo
20:30 - 09:00
ORK
-
BHD
12h 30m
1 stop
€382British Airways
Fri, 17 Apr - Tue, 21 Apr

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
16 Apr
BHD06:30Belfast City
11h 30m
1 stop
DUB18:00Dublin
20 Apr
DUB20:30Dublin
11h 05m
1 stop
BHD07:35Belfast City
€203
British Airways
16 Apr
BHD06:30Belfast City
11h 30m
1 stop
DUB18:00Dublin
20 Apr
DUB20:30Dublin
11h 05m
1 stop
BHD07:35Belfast City
€204
British Airways
16 Apr
BHD06:30Belfast City
8h 05m
1 stop
DUB14:35Dublin
20 Apr
DUB20:30Dublin
11h 05m
1 stop
BHD07:35Belfast City
€214

KLM flights from Belfast to Ireland

Our best KLM deals on Belfast to Ireland flight tickets
KLM
15 May
BHD17:30Belfast City
5h 05m
1 stop
ORK22:35Cork
16 May
ORK06:15Cork
10h 40m
1 stop
BHD16:55Belfast City
€407
KLM
16 Apr
BHD17:30Belfast City
4h 55m
1 stop
DUB22:25Dublin
20 Apr
DUB08:55Dublin
8h 00m
1 stop
BHD16:55Belfast City
€463
KLM
12 Jun
BHD17:30Belfast City
5h 05m
1 stop
ORK22:35Cork
15 Jun
ORK15:25Cork
25h 30m
2 stops
BHD16:55Belfast City
€526

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 9 March 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

Cheapest return flight
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 22/4

07:30-14:50

1 stop7h 20m

Dublin

Wed 29/4

14:35-19:50

1 stop5h 15m

€82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 16/4

18:20-07:50

1 stop13h 30m

Dublin

Thu 23/4

06:15-19:15

1 stop13h 00m

€87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/4

08:55-16:00

1 stop7h 05m

Dublin

Mon 20/4

15:40-21:30

1 stop5h 50m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 16/4

12:45-20:30

1 stop7h 45m

Dublin

Thu 23/4

10:20-15:20

1 stop5h 00m

€89

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Tue 21/4

07:35-15:40

1 stop8h 05m

Shannon

Tue 28/4

08:00-16:15

1 stop8h 15m

€91

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Sun 19/4

22:00-07:45

1 stop9h 45m

Shannon

Sun 26/4

07:30-11:55

1 stop4h 25m

€92

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 14/4

16:40-21:00

1 stop4h 20m

Cork

Tue 21/4

22:25-07:05

1 stop8h 40m

€92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 31/3

09:15-17:30

1 stop8h 15m

Dublin

Tue 7/4

21:20-07:05

1 stop9h 45m

€94

BelfastCork

BHD - ORK

BHDORK

Belfast City

Fri 17/4

20:10-10:45

1 stop14h 35m

Cork

Tue 21/4

20:30-09:00

1 stop12h 30m

€382

BelfastCork

BHD - ORK

BHDORK

Belfast City

Fri 17/4

20:10-10:45

1 stop14h 35m

Cork

Tue 21/4

20:30-09:00

1 stop12h 30m

€382

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?

Aer Lingus and British Airways are the most popular carriers 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

Fastest flight time

3h 40m

Direct flights

None
The fastest flight from Belfast to Ireland takes 3h 40m
There are no direct flights from Belfast to Ireland. There are no popular flight routes from Belfast to Ireland.
Search flight deals

  • 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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