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Cheap flights from Belfast Intl Airport to Ireland from £39

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 15/4. 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
1 adult, Economy, 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
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
£72Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
21:55 - 08:30
BFS
-
DUB
10h 35m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
£73Multiple Airlines
Mon, 11 May - Mon, 18 May
Multiple Airlines Logo
21:55 - 08:05
BFS
-
ORK
10h 10m
1 stop
Multiple Airlines Logo
05:55 - 18:25
ORK
-
BFS
12h 30m
1 stop
£73Multiple Airlines
Mon, 11 May - Mon, 18 May
Multiple Airlines Logo
18:50 - 23:20
BFS
-
DUB
4h 30m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
£75Multiple Airlines
Mon, 11 May - Mon, 18 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
£76Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
08:55 - 16:00
BFS
-
DUB
7h 05m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
£76Multiple Airlines
Fri, 8 May - Mon, 11 May
Multiple Airlines Logo
17:05 - 23:59
BFS
-
DUB
6h 54m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
£77Multiple Airlines
Fri, 8 May - Mon, 11 May
Multiple Airlines Logo
17:05 - 23:59
BFS
-
DUB
6h 54m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
£79Multiple Airlines
Fri, 8 May - Mon, 11 May
Multiple Airlines Logo
20:15 - 08:45
BFS
-
ORK
12h 30m
1 stop
Multiple Airlines Logo
20:20 - 10:45
ORK
-
BFS
14h 25m
1 stop
£79Multiple Airlines
Sat, 2 May - Fri, 8 May
Multiple Airlines Logo
18:50 - 00:05
BFS
-
DUB
5h 15m
1 stop
Multiple Airlines Logo
06:55 - 15:20
DUB
-
BFS
8h 25m
1 stop
£79Multiple Airlines
Mon, 27 Apr - Mon, 4 May

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 31 March 2026.
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

Cheapest return flight

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

£72

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 11/5

21:55-08:30

1 stop10h 35m

Dublin

Mon 18/5

20:35-10:00

1 stop13h 25m

£73

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 11/5

21:55-08:05

1 stop10h 10m

Cork

Mon 18/5

05:55-18:25

1 stop12h 30m

£73

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 11/5

18:50-23:20

1 stop4h 30m

Dublin

Mon 18/5

20:35-10:00

1 stop13h 25m

£75
Fastest return journey

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

£76

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

08:55-16:00

1 stop7h 05m

Dublin

Mon 11/5

20:35-10:00

1 stop13h 25m

£76

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

17:05-23:59

1 stop6h 54m

Dublin

Mon 11/5

20:35-10:00

1 stop13h 25m

£77

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

17:05-23:59

1 stop6h 54m

Dublin

Mon 11/5

20:35-10:00

1 stop13h 25m

£79

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 2/5

20:15-08:45

1 stop12h 30m

Cork

Fri 8/5

20:20-10:45

1 stop14h 25m

£79

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 27/4

18:50-00:05

1 stop5h 15m

Dublin

Mon 4/5

06:55-15:20

1 stop8h 25m

£79

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 30m

Direct flights

None
The fastest flight from Belfast Intl Airport to Ireland takes 4h 30m
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.

  • How do I get Price Alerts for flights from Belfast Intl Airport to Ireland?

    Search flight deals from Belfast Intl Airport to Ireland. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Belfast Intl Airport to Ireland with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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