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Cheap flights from Belfast to Ireland from €52

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 11/1. 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
06:00 - 14:25
BFS
-
DUB
8h 25m1 stop
Multiple Airlines Logo
22:55 - 08:55
DUB
-
BFS
10h 00m1 stop
€99Multiple Airlines
Sat, 10 Jan - Mon, 12 Jan
Multiple Airlines Logo
15:45 - 20:05
BFS
-
DUB
4h 20m1 stop
Multiple Airlines Logo
08:15 - 17:55
DUB
-
BFS
9h 40m1 stop
€104Multiple Airlines
Wed, 21 Jan - Wed, 28 Jan
Multiple Airlines Logo
16:35 - 21:35
BFS
-
DUB
5h 00m1 stop
Multiple Airlines Logo
14:50 - 20:20
DUB
-
BFS
5h 30m1 stop
€106Multiple Airlines
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
07:50 - 11:05
BFS
-
DUB
3h 15m1 stop
Multiple Airlines Logo
14:10 - 18:55
DUB
-
BFS
4h 45m1 stop
€106Multiple Airlines
Mon, 19 Jan - Mon, 26 Jan
Multiple Airlines Logo
20:55 - 08:40
BFS
-
ORK
11h 45m1 stop
Multiple Airlines Logo
15:25 - 20:15
ORK
-
BFS
4h 50m1 stop
€106Multiple Airlines
Tue, 6 Jan - Tue, 13 Jan
Ryanair Logo
06:30 - 15:00
BFS
-
ORK
8h 30m1 stop
Ryanair Logo
15:25 - 10:20
ORK
-
BFS
18h 55m1 stop
€121Ryanair
Tue, 6 Jan - Tue, 13 Jan
British Airways Logo
09:05 - 14:05
BHD
-
DUB
5h 00m1 stop
British Airways Logo
17:55 - 07:40
DUB
-
BHD
13h 45m1 stop
€185British Airways
Thu, 15 Jan - Mon, 19 Jan
British Airways Logo
06:35 - 12:15
BHD
-
DUB
5h 40m1 stop
British Airways Logo
17:55 - 09:10
DUB
-
BHD
15h 15m1 stop
€195British Airways
Thu, 15 Jan - Sat, 17 Jan
KLM Logo
17:20 - 22:10
BHD
-
DUB
4h 50m1 stop
KLM Logo
05:55 - 16:50
DUB
-
BHD
10h 55m1 stop
€274KLM
Thu, 15 Jan - Mon, 19 Jan
KLM Logo
17:20 - 23:25
BHD
-
ORK
6h 05m1 stop
KLM Logo
17:20 - 16:50
ORK
-
BHD
23h 30m1 stop
€295KLM
Sat, 31 Jan - Sat, 7 Feb

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
15 Jan
BHD09:05Belfast City
5h 00m
1 stop
DUB14:05Dublin
19 Jan
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
€185
Find similar
British Airways
15 Jan
BHD06:35Belfast City
5h 40m
1 stop
DUB12:15Dublin
17 Jan
DUB17:55Dublin
15h 15m
1 stop
BHD09:10Belfast City
€195
Find similar
British Airways
15 Jan
BHD09:05Belfast City
7h 55m
1 stop
DUB17:00Dublin
17 Jan
DUB10:50Dublin
8h 25m
2 stops
BHD19:15Belfast City
€293
Find similar

KLM flights from Belfast to Ireland

Our best KLM deals on Belfast to Ireland flight tickets
KLM
15 Jan
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
19 Jan
DUB05:55Dublin
10h 55m
1 stop
BHD16:50Belfast City
€274
Find similar
KLM
31 Jan
BHD17:20Belfast City
6h 05m
1 stop
ORK23:25Cork
7 Feb
ORK17:20Cork
23h 30m
1 stop
BHD16:50Belfast City
€295
Find similar
KLM
31 Jan
BHD17:20Belfast City
6h 05m
1 stop
ORK23:25Cork
7 Feb
ORK15:40Cork
25h 10m
2 stops
BHD16:50Belfast City
€319
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 8 December 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

Sat 10/1

06:00-14:25

1 stop8h 25m

Dublin

Mon 12/1

22:55-08:55

1 stop10h 00m

€99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 21/1

15:45-20:05

1 stop4h 20m

Dublin

Wed 28/1

08:15-17:55

1 stop9h 40m

€104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

16:35-21:35

1 stop5h 00m

Dublin

Mon 19/1

14:50-20:20

1 stop5h 30m

€106

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 19/1

07:50-11:05

1 stop3h 15m

Dublin

Mon 26/1

14:10-18:55

1 stop4h 45m

€106

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 6/1

20:55-08:40

1 stop11h 45m

Cork

Tue 13/1

15:25-20:15

1 stop4h 50m

€106

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 6/1

06:30-15:00

1 stop8h 30m

Cork

Tue 13/1

15:25-10:20

1 stop18h 55m

€121

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

09:05-14:05

1 stop5h 00m

Dublin

Mon 19/1

17:55-07:40

1 stop13h 45m

€185

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

06:35-12:15

1 stop5h 40m

Dublin

Sat 17/1

17:55-09:10

1 stop15h 15m

€195

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

17:20-22:10

1 stop4h 50m

Dublin

Mon 19/1

05:55-16:50

1 stop10h 55m

€274

BelfastCork

BHD - ORK

BHDORK

Belfast City

Sat 31/1

17:20-23:25

1 stop6h 05m

Cork

Sat 7/2

17:20-16:50

1 stop23h 30m

€295

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?

Ryanair and Aer Lingus 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 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.
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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