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Cheap flights from Belfast to Ireland from £58

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 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Multiple Airlines Logo
23:10 - 13:20BFS-DUB
14h 10m1 stop
Multiple Airlines Logo
08:30 - 15:10DUB-BFS
6h 40m1 stop
£94Multiple Airlines
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Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
17:05 - 00:30BFS-DUB
7h 25m1 stop
Multiple Airlines Logo
10:55 - 01:15DUB-BFS
14h 20m1 stop
£100Multiple Airlines
Find Deal
Wed, 1 Oct - Wed, 8 Oct
Multiple Airlines Logo
08:20 - 12:20BFS-DUB
4h 00m1 stop
Multiple Airlines Logo
09:20 - 14:35DUB-BFS
5h 15m1 stop
£100Multiple Airlines
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Multiple Airlines Logo
14:00 - 00:10BFS-SNN
10h 10m1 stop
Multiple Airlines Logo
18:15 - 22:50SNN-BFS
4h 35m1 stop
£103Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
07:05 - 19:00BFS-DUB
11h 55m1 stop
Multiple Airlines Logo
06:30 - 18:55DUB-BFS
12h 25m1 stop
£103Multiple Airlines
Find Deal
Thu, 6 Nov - Mon, 10 Nov
Aer Lingus Logo
16:55 - 21:15BHD-DUB
4h 20m1 stop
Aer Lingus Logo
06:30 - 12:50DUB-BHD
6h 20m1 stop
£143Aer Lingus
Find Deal
Mon, 29 Sep - Wed, 1 Oct
British Airways Logo
09:15 - 19:50BHD-DUB
10h 35m1 stop
British Airways Logo
10:45 - 18:40DUB-BHD
7h 55m1 stop
£152British Airways
Find Deal
Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
15:05 - 19:45BHD-DUB
4h 40m1 stop
British Airways Logo
08:50 - 13:15DUB-BHD
4h 25m1 stop
£159British Airways
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Thu, 6 Nov - Mon, 10 Nov
KLM Logo
17:20 - 23:25BHD-ORK
6h 05m1 stop
KLM Logo
11:15 - 16:50ORK-BHD
5h 35m1 stop
£260KLM
Find Deal
Sat, 8 Nov - Sat, 15 Nov
KLM Logo
17:20 - 22:10BHD-DUB
4h 50m1 stop
KLM Logo
08:50 - 21:00DUB-BHD
12h 10m1 stop
£280KLM
Find Deal
Thu, 6 Nov - Mon, 10 Nov

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
7 Mar
BHD09:15Belfast City
10h 35m
1 stop
DUB19:50Dublin
9 Mar
DUB10:45Dublin
7h 55m
1 stop
BHD18:40Belfast City
£152
Find similar
British Airways
6 Nov
BHD15:05Belfast City
4h 40m
1 stop
DUB19:45Dublin
10 Nov
DUB08:50Dublin
4h 25m
1 stop
BHD13:15Belfast City
£159
Find similar
British Airways
7 Mar
BHD15:05Belfast City
4h 45m
1 stop
DUB19:50Dublin
9 Mar
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
£160
Find similar

KLM flights from Belfast to Ireland

Our best KLM deals on Belfast to Ireland flight tickets
KLM
8 Nov
BHD17:20Belfast City
6h 05m
1 stop
ORK23:25Cork
15 Nov
ORK11:15Cork
5h 35m
1 stop
BHD16:50Belfast City
£260
Find similar
KLM
6 Nov
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
10 Nov
DUB08:50Dublin
12h 10m
1 stop
BHD21:00Belfast City
£280
Find similar
KLM
8 Nov
BHD17:20Belfast City
21h 40m
2 stops
ORK15:00Cork
15 Nov
ORK11:15Cork
5h 35m
1 stop
BHD16:50Belfast City
£304
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 279,928 searches. Data last updated 17 September 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 1/11

23:10-13:20

1 stop14h 10m

Dublin

Sat 8/11

08:30-15:10

1 stop6h 40m

£94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 1/10

17:05-00:30

1 stop7h 25m

Dublin

Wed 8/10

10:55-01:15

1 stop14h 20m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 7/10

08:20-12:20

1 stop4h 00m

Dublin

Tue 14/10

09:20-14:35

1 stop5h 15m

£100

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Thu 30/10

14:00-00:10

1 stop10h 10m

Shannon

Thu 6/11

18:15-22:50

1 stop4h 35m

£103

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 6/11

07:05-19:00

1 stop11h 55m

Dublin

Mon 10/11

06:30-18:55

1 stop12h 25m

£103

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Mon 29/9

16:55-21:15

1 stop4h 20m

Dublin

Wed 1/10

06:30-12:50

1 stop6h 20m

£143

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

09:15-19:50

1 stop10h 35m

Dublin

Mon 9/3

10:45-18:40

1 stop7h 55m

£152

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 6/11

15:05-19:45

1 stop4h 40m

Dublin

Mon 10/11

08:50-13:15

1 stop4h 25m

£159

BelfastCork

BHD - ORK

BHDORK

Belfast City

Sat 8/11

17:20-23:25

1 stop6h 05m

Cork

Sat 15/11

11:15-16:50

1 stop5h 35m

£260

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 6/11

17:20-22:10

1 stop4h 50m

Dublin

Mon 10/11

08:50-21:00

1 stop12h 10m

£280

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 time of day to depart on your flight to Ireland?

In the afternoon is the cheapest time of day to fly from Belfast to Ireland when you can find flight prices for as low as £134. 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 £154. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Belfast to Ireland flight deals and tips

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

Direct flights

None
There are no direct flights from Belfast to Ireland. There are no popular flight routes from Belfast to Ireland.
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  • When did momondo last update prices for flights from Belfast to Ireland?

    Prices for flights from Belfast to Ireland are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Ireland.

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

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to Ireland

Compare and see reviews for airlines that fly from Belfast to Ireland with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £38Free CancellationRating
6.8
5,157 reviews
Search Ryanair flights
Aer LingusPriceFrom £58Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights

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?

All flight searches from Belfast to Ireland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Belfast to Ireland?

momondo provides multiple filters to help you find the best flight to Ireland from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Belfast to Ireland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ireland from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Ireland

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