Cheap flights from Belfast Intl Airport to Ireland from £53

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 Intl Airport to Ireland departing on 2/9. 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 Intl Airport to Ireland

Cheap return flights

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08:40 - 15:20BFS-DUB
6h 40m1 stop
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12:45 - 21:20DUB-BFS
8h 35m1 stop
Mon, 8 Sep - Wed, 10 Sep
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07:25 - 12:35BFS-DUB
5h 10m1 stop
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21:35 - 09:00DUB-BFS
11h 25m1 stop
Tue, 2 Sep - Wed, 3 Sep
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07:25 - 14:35BFS-DUB
7h 10m1 stop
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06:30 - 10:25DUB-BFS
3h 55m1 stop
Wed, 10 Sep - Wed, 17 Sep
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07:45 - 17:20BFS-DUB
9h 35m1 stop
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08:25 - 14:35DUB-BFS
6h 10m1 stop
Tue, 2 Sep - Wed, 3 Sep
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17:50 - 22:45BFS-ORK
4h 55m1 stop
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06:00 - 18:35ORK-BFS
12h 35m1 stop
Thu, 28 Aug - Thu, 4 Sep
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07:00 - 14:45BFS-ORK
7h 45m1 stop
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21:05 - 10:25ORK-BFS
13h 20m1 stop
Sun, 21 Sep - Tue, 23 Sep
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15:55 - 23:40BFS-DUB
7h 45m1 stop
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21:25 - 06:50DUB-BFS
9h 25m1 stop
Thu, 11 Sep - Tue, 16 Sep
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07:45 - 12:40BFS-SNN
4h 55m1 stop
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21:10 - 08:10SNN-BFS
11h 00m1 stop
Sun, 21 Sep - Tue, 23 Sep
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06:25 - 12:25BFS-DUB
6h 00m1 stop
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18:30 - 07:50DUB-BFS
13h 20m1 stop
Wed, 27 Aug - Wed, 3 Sep
Ryanair Logo
08:35 - 22:25BFS-ORK
13h 50m1 stop
Ryanair Logo
22:50 - 06:50ORK-BFS
8h 00m1 stop
£126Ryanair
Find Deal
Sat, 13 Sep - Sat, 20 Sep

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 8/9

08:40-15:20

1 stop6h 40m

Dublin

Wed 10/9

12:45-21:20

1 stop8h 35m

£101

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 2/9

07:25-12:35

1 stop5h 10m

Dublin

Wed 3/9

21:35-09:00

1 stop11h 25m

£103

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 10/9

07:25-14:35

1 stop7h 10m

Dublin

Wed 17/9

06:30-10:25

1 stop3h 55m

£104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 2/9

07:45-17:20

1 stop9h 35m

Dublin

Wed 3/9

08:25-14:35

1 stop6h 10m

£104

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 28/8

17:50-22:45

1 stop4h 55m

Cork

Thu 4/9

06:00-18:35

1 stop12h 35m

£104

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sun 21/9

07:00-14:45

1 stop7h 45m

Cork

Tue 23/9

21:05-10:25

1 stop13h 20m

£105

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 11/9

15:55-23:40

1 stop7h 45m

Dublin

Tue 16/9

21:25-06:50

1 stop9h 25m

£106

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Sun 21/9

07:45-12:40

1 stop4h 55m

Shannon

Tue 23/9

21:10-08:10

1 stop11h 00m

£107

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 27/8

06:25-12:25

1 stop6h 00m

Dublin

Wed 3/9

18:30-07:50

1 stop13h 20m

£108

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 13/9

08:35-22:25

1 stop13h 50m

Cork

Sat 20/9

22:50-06:50

1 stop8h 00m

£126

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 Intl Airport 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 time of day to depart on your flight to Ireland?

In the afternoon is the cheapest time of day to fly from Belfast Intl Airport to Ireland when you can find flight prices for as low as £139. Flying to Ireland in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly in the morning, with an average ticket price of £159. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Belfast Intl Airport to Ireland flight deals and tips

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

Best price found

£53

Fastest flight time

3h 35m

Direct flights

None

Airports in Ireland

3 airports
The best one-way flight to Ireland from Belfast Intl Airport in the past 72 hours is £53. The best return flight deal from Belfast Intl Airport to Ireland found on momondo in the last 72 hours is £101.
The fastest flight from Belfast Intl Airport to Ireland takes 3h 35m
There are no direct flights from Belfast Intl Airport to Ireland. Popular non-direct routes for this connection are Belfast Intl Airport - Shannon Airport, Belfast Intl Airport - Dublin Airport and Belfast Intl Airport - Cork Airport.
There are 3 airports near Ireland: Dublin (DUB), Shannon (SNN), Cork (ORK)

  • When did momondo last update prices for flights from Belfast Intl Airport to Ireland?

    Prices for flights from Belfast Intl Airport to Ireland refresh daily.

  • How old do you have to be to fly from Belfast Intl Airport to Ireland?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to Ireland for you.

Can I find flights from Belfast to Ireland with flexible booking policies on momondo?

Flights from Belfast to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes. momondo can track prices for Belfast to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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