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Cheap flights from Belfast to Ireland from €55

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 9/2. 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
12:45 - 22:15
BFS
-
ORK
9h 30m
1 stop
Multiple Airlines Logo
22:25 - 07:25
ORK
-
BFS
9h 00m
1 stop
€90Multiple Airlines
Sat, 7 Mar - Sun, 8 Mar
Multiple Airlines Logo
23:10 - 09:30
BFS
-
SNN
10h 20m
1 stop
Multiple Airlines Logo
20:45 - 06:45
SNN
-
BFS
10h 00m
1 stop
€92Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Multiple Airlines Logo
06:00 - 14:25
BFS
-
DUB
8h 25m
1 stop
Multiple Airlines Logo
19:25 - 06:45
DUB
-
BFS
11h 20m
1 stop
€94Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Multiple Airlines Logo
16:35 - 21:35
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
22:55 - 08:55
DUB
-
BFS
10h 00m
1 stop
€98Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
05:45 - 15:50
BFS
-
ORK
10h 05m
1 stop
Multiple Airlines Logo
13:30 - 18:45
ORK
-
BFS
5h 15m
1 stop
€101Multiple Airlines
Sat, 28 Feb - Sat, 7 Mar
Multiple Airlines Logo
18:00 - 23:35
BFS
-
SNN
5h 35m
1 stop
Multiple Airlines Logo
21:40 - 06:50
SNN
-
BFS
9h 10m
1 stop
€104Multiple Airlines
Fri, 13 Feb - Sun, 15 Feb
Multiple Airlines Logo
07:05 - 19:00
BFS
-
DUB
11h 55m
1 stop
Multiple Airlines Logo
06:30 - 09:45
DUB
-
BFS
3h 15m
1 stop
€113Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
12:45 - 22:15
BFS
-
ORK
9h 30m
1 stop
Multiple Airlines Logo
22:40 - 06:45
ORK
-
BFS
8h 05m
1 stop
€113Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
British Airways Logo
15:05 - 19:50
BHD
-
DUB
4h 45m
1 stop
British Airways Logo
20:40 - 09:05
DUB
-
BHD
12h 25m
1 stop
€196British Airways
Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
12:40 - 19:35
BHD
-
DUB
6h 55m
1 stop
British Airways Logo
20:30 - 08:50
DUB
-
BHD
12h 20m
1 stop
€201British Airways
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
BHD15:05Belfast City
4h 45m
1 stop
DUB19:50Dublin
9 Mar
DUB20:40Dublin
12h 25m
1 stop
BHD09:05Belfast City
€196
British Airways
21 Apr
BHD12:40Belfast City
6h 55m
1 stop
DUB19:35Dublin
22 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€201
British Airways
21 Apr
BHD12:40Belfast City
6h 55m
1 stop
DUB19:35Dublin
22 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€201

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 22 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

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 7/3

12:45-22:15

1 stop9h 30m

Cork

Sun 8/3

22:25-07:25

1 stop9h 00m

€90

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Sat 7/3

23:10-09:30

1 stop10h 20m

Shannon

Sat 14/3

20:45-06:45

1 stop10h 00m

€92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 7/3

06:00-14:25

1 stop8h 25m

Dublin

Sat 14/3

19:25-06:45

1 stop11h 20m

€94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 5/3

16:35-21:35

1 stop5h 00m

Dublin

Mon 9/3

22:55-08:55

1 stop10h 00m

€98

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 28/2

05:45-15:50

1 stop10h 05m

Cork

Sat 7/3

13:30-18:45

1 stop5h 15m

€101

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Fri 13/2

18:00-23:35

1 stop5h 35m

Shannon

Sun 15/2

21:40-06:50

1 stop9h 10m

€104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 5/3

07:05-19:00

1 stop11h 55m

Dublin

Mon 9/3

06:30-09:45

1 stop3h 15m

€113

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 7/3

12:45-22:15

1 stop9h 30m

Cork

Sat 14/3

22:40-06:45

1 stop8h 05m

€113

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

15:05-19:50

1 stop4h 45m

Dublin

Mon 9/3

20:40-09:05

1 stop12h 25m

€196

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Tue 21/4

12:40-19:35

1 stop6h 55m

Dublin

Wed 22/4

20:30-08:50

1 stop12h 20m

€201

Flights are sorted by cheapest return flights first.

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

Ryanair 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

Fastest flight time

4h 10m

Direct flights

None
The fastest flight from Belfast to Ireland takes 4h 10m
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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Popular flights according to clicks in the last 7 days on momondo
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