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Cheap flights from Belfast Intl Airport 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 Intl Airport to Ireland departing on 8/2. 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 Intl Airport to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:00 - 23:05
BFS
-
DUB
5h 05m1 stop
Multiple Airlines Logo
17:00 - 21:05
DUB
-
BFS
4h 05m1 stop
£83Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
18:00 - 07:40
BFS
-
ORK
13h 40m1 stop
Multiple Airlines Logo
16:55 - 21:05
ORK
-
BFS
4h 10m1 stop
£83Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
16:35 - 21:35
BFS
-
DUB
5h 00m1 stop
Multiple Airlines Logo
15:00 - 18:55
DUB
-
BFS
3h 55m1 stop
£85Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
Multiple Airlines Logo
14:50 - 21:05
BFS
-
DUB
6h 15m1 stop
Multiple Airlines Logo
20:50 - 07:25
DUB
-
BFS
10h 35m1 stop
£88Multiple Airlines
Thu, 22 Jan - Sun, 25 Jan
Multiple Airlines Logo
07:50 - 15:10
BFS
-
ORK
7h 20m1 stop
Multiple Airlines Logo
21:30 - 06:55
ORK
-
BFS
9h 25m1 stop
£88Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
06:30 - 11:05
BFS
-
ORK
4h 35m1 stop
Multiple Airlines Logo
18:30 - 22:50
ORK
-
BFS
4h 20m1 stop
£90Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
12:40 - 20:55
BFS
-
ORK
8h 15m1 stop
Multiple Airlines Logo
19:45 - 09:45
ORK
-
BFS
14h 00m1 stop
£91Multiple Airlines
Mon, 5 Jan - Thu, 8 Jan
Multiple Airlines Logo
23:10 - 09:30
BFS
-
SNN
10h 20m1 stop
Multiple Airlines Logo
20:45 - 06:45
SNN
-
BFS
10h 00m1 stop
£99Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
23:10 - 13:20
BFS
-
DUB
14h 10m1 stop
Multiple Airlines Logo
06:30 - 11:55
DUB
-
BFS
5h 25m1 stop
£100Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
13:10 - 23:15
BFS
-
ORK
10h 05m1 stop
Multiple Airlines Logo
20:00 - 08:50
ORK
-
BFS
12h 50m1 stop
£104Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb

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 18 December 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

Fri 30/1

18:00-23:05

1 stop5h 05m

Dublin

Fri 6/2

17:00-21:05

1 stop4h 05m

£83

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Fri 30/1

18:00-07:40

1 stop13h 40m

Cork

Fri 6/2

16:55-21:05

1 stop4h 10m

£83

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

16:35-21:35

1 stop5h 00m

Dublin

Mon 26/1

15:00-18:55

1 stop3h 55m

£84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

14:50-21:05

1 stop6h 15m

Dublin

Sun 25/1

20:50-07:25

1 stop10h 35m

£88

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Fri 30/1

07:50-15:10

1 stop7h 20m

Cork

Fri 6/2

21:30-06:55

1 stop9h 25m

£88

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 29/1

06:30-11:05

1 stop4h 35m

Cork

Thu 5/2

18:30-22:50

1 stop4h 20m

£90

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 5/1

12:40-20:55

1 stop8h 15m

Cork

Thu 8/1

19:45-09:45

1 stop14h 00m

£91

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Sat 31/1

23:10-09:30

1 stop10h 20m

Shannon

Sat 7/2

20:45-06:45

1 stop10h 00m

£99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 31/1

23:10-13:20

1 stop14h 10m

Dublin

Sat 7/2

06:30-11:55

1 stop5h 25m

£100

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 31/1

13:10-23:15

1 stop10h 05m

Cork

Sat 7/2

20:00-08:50

1 stop12h 50m

£104

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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 £137. 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 £157. 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

Fastest flight time

4h 50m

Direct flights

None
The fastest flight from Belfast Intl Airport to Ireland takes 4h 50m
There are no direct flights from Belfast Intl Airport to Ireland. There are no popular flight routes from Belfast Intl Airport to Ireland.
Search flight deals

  • 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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Find better results for your trip to Ireland

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