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Cheap flights from Belfast to Ireland from €44

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 20/4. 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
22:45 - 08:20
BFS
-
ORK
9h 35m
1 stop
Multiple Airlines Logo
17:25 - 22:20
ORK
-
BFS
4h 55m
1 stop
€81Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
€82Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
€83Multiple Airlines
Tue, 26 May - Tue, 2 Jun
Multiple Airlines Logo
12:45 - 20:30
BFS
-
DUB
7h 45m
1 stop
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
€85Multiple Airlines
Thu, 7 May - Sun, 10 May
Multiple Airlines Logo
08:55 - 16:00
BFS
-
DUB
7h 05m
1 stop
Multiple Airlines Logo
13:30 - 19:30
DUB
-
BFS
6h 00m
1 stop
€86Multiple Airlines
Fri, 8 May - Fri, 15 May
Multiple Airlines Logo
16:40 - 21:00
BFS
-
ORK
4h 20m
1 stop
Multiple Airlines Logo
14:50 - 23:20
ORK
-
BFS
8h 30m
1 stop
€86Multiple Airlines
Tue, 28 Apr - Wed, 29 Apr
Multiple Airlines Logo
13:55 - 22:40
BFS
-
DUB
8h 45m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€87Multiple Airlines
Thu, 4 Jun - Mon, 8 Jun
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
Multiple Airlines Logo
08:15 - 15:20
ORK
-
BFS
7h 05m
1 stop
€87Multiple Airlines
Tue, 5 May - Thu, 7 May
Multiple Airlines Logo
08:55 - 16:00
BFS
-
DUB
7h 05m
1 stop
Multiple Airlines Logo
10:05 - 15:15
DUB
-
BFS
5h 10m
1 stop
€87Multiple Airlines
Fri, 8 May - Wed, 13 May
Multiple Airlines Logo
07:35 - 15:40
BFS
-
SNN
8h 05m
1 stop
Multiple Airlines Logo
08:00 - 12:15
SNN
-
BFS
4h 15m
1 stop
€87Multiple Airlines
Tue, 12 May - Tue, 19 May

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Loganair flights from Belfast to Ireland

Our best Loganair deals on Belfast to Ireland flight tickets
Loganair
10 May
BHD11:15Belfast City
9h 00m
3 stops
DUB20:15Dublin
17 May
DUB20:45Dublin
14h 45m
1 stop
BHD11:30Belfast City
€807
Loganair
10 May
BHD11:15Belfast City
9h 00m
3 stops
DUB20:15Dublin
17 May
DUB20:45Dublin
14h 45m
1 stop
BHD11:30Belfast City
€826

Aer Lingus flights from Belfast to Ireland

Our best Aer Lingus deals on Belfast to Ireland flight tickets
Aer Lingus
4 Jun
BHD09:50Belfast City
5h 00m
1 stop
DUB14:50Dublin
8 Jun
DUB11:30Dublin
3h 25m
1 stop
BHD14:55Belfast City
€211
Aer Lingus
4 Jun
BHD11:05Belfast City
7h 30m
1 stop
DUB18:35Dublin
8 Jun
DUB07:30Dublin
13h 35m
1 stop
BHD21:05Belfast City
€342

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 15 April 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

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 28/5

22:45-08:20

1 stop9h 35m

Cork

Thu 4/6

17:25-22:20

1 stop4h 55m

€81

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 12/5

07:35-21:45

1 stop14h 10m

Cork

Tue 19/5

22:25-07:05

1 stop8h 40m

€82

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 26/5

07:35-21:45

1 stop14h 10m

Cork

Tue 2/6

22:25-07:05

1 stop8h 40m

€83

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 7/5

12:45-20:30

1 stop7h 45m

Dublin

Sun 10/5

23:10-08:15

1 stop9h 05m

€85

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

08:55-16:00

1 stop7h 05m

Dublin

Fri 15/5

13:30-19:30

1 stop6h 00m

€86

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 28/4

16:40-21:00

1 stop4h 20m

Cork

Wed 29/4

14:50-23:20

1 stop8h 30m

€86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 4/6

13:55-22:40

1 stop8h 45m

Dublin

Mon 8/6

20:35-10:00

1 stop13h 25m

€87

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 5/5

07:35-21:45

1 stop14h 10m

Cork

Thu 7/5

08:15-15:20

1 stop7h 05m

€87
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

08:55-16:00

1 stop7h 05m

Dublin

Wed 13/5

10:05-15:15

1 stop5h 10m

€87

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Tue 12/5

07:35-15:40

1 stop8h 05m

Shannon

Tue 19/5

08:00-12:15

1 stop4h 15m

€87

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?

Aer Lingus 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 05m

Direct flights

None
The fastest flight from Belfast to Ireland takes 4h 05m
There are no direct flights from Belfast to Ireland. There are no popular flight routes from Belfast to Ireland.
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Frequently asked questions about flying 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.

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

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
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