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Cheap flights from Belfast to Ireland from €50

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 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 to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:45 - 20:30
BFS
-
DUB
7h 45m
1 stop
Multiple Airlines Logo
22:05 - 12:15
DUB
-
BFS
14h 10m
1 stop
€87Multiple Airlines
Thu, 14 May - Mon, 18 May
Multiple Airlines Logo
19:20 - 01:00
BFS
-
DUB
5h 40m
1 stop
Multiple Airlines Logo
15:40 - 10:00
DUB
-
BFS
18h 20m
1 stop
€88Multiple Airlines
Fri, 8 May - Mon, 11 May
Multiple Airlines Logo
12:45 - 20:30
BFS
-
DUB
7h 45m
1 stop
Multiple Airlines Logo
10:20 - 15:20
DUB
-
BFS
5h 00m
1 stop
€89Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
15:40 - 23:55
BFS
-
ORK
8h 15m
1 stop
Multiple Airlines Logo
09:55 - 15:15
ORK
-
BFS
5h 20m
1 stop
€89Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
19:55 - 09:30
BFS
-
SNN
13h 35m
1 stop
Multiple Airlines Logo
08:10 - 21:30
SNN
-
BFS
13h 20m
1 stop
€91Multiple Airlines
Fri, 12 Jun - Mon, 15 Jun
Multiple Airlines Logo
16:55 - 23:05
BFS
-
DUB
6h 10m
1 stop
Multiple Airlines Logo
06:45 - 16:30
DUB
-
BFS
9h 45m
1 stop
€92Multiple Airlines
Sat, 2 May - Sat, 9 May
Multiple Airlines Logo
09:15 - 14:15
BFS
-
ORK
5h 00m
1 stop
Multiple Airlines Logo
05:55 - 18:25
ORK
-
BFS
12h 30m
1 stop
€92Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Multiple Airlines Logo
19:20 - 08:25
BFS
-
ORK
13h 05m
1 stop
Multiple Airlines Logo
09:00 - 20:40
ORK
-
BFS
11h 40m
1 stop
€92Multiple Airlines
Fri, 29 May - Sun, 31 May
Multiple Airlines Logo
06:40 - 20:30
BFS
-
DUB
13h 50m
1 stop
Multiple Airlines Logo
19:55 - 08:05
DUB
-
BFS
12h 10m
1 stop
€93Multiple Airlines
Thu, 7 May - Mon, 11 May
Multiple Airlines Logo
08:55 - 16:00
BFS
-
DUB
7h 05m
1 stop
Multiple Airlines Logo
14:00 - 18:55
DUB
-
BFS
4h 55m
1 stop
€95Multiple Airlines
Fri, 17 Apr - Fri, 24 Apr

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
14 May
BHD20:35Belfast City
11h 10m
1 stop
DUB07:45Dublin
18 May
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€217
British Airways
14 May
BHD20:35Belfast City
11h 10m
1 stop
DUB07:45Dublin
16 May
DUB20:15Dublin
13h 50m
1 stop
BHD10:05Belfast City
€218
British Airways
14 May
BHD20:35Belfast City
11h 10m
1 stop
DUB07:45Dublin
18 May
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€220

KLM flights from Belfast to Ireland

Our best KLM deals on Belfast to Ireland flight tickets
KLM
7 Sept
BHD17:30Belfast City
45h 10m
2 stops
ORK14:40Cork
12 Sept
ORK06:15Cork
27h 00m
1 stop
BHD09:15Belfast City
€330
KLM
14 May
BHD17:30Belfast City
4h 55m
1 stop
DUB22:25Dublin
18 May
DUB08:55Dublin
8h 00m
1 stop
BHD16:55Belfast City
€395
KLM
14 May
BHD17:30Belfast City
4h 55m
1 stop
DUB22:25Dublin
18 May
DUB13:25Dublin
19h 55m
1 stop
BHD09:20Belfast City
€396

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 23 March 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

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 14/5

12:45-20:30

1 stop7h 45m

Dublin

Mon 18/5

22:05-12:15

1 stop14h 10m

€87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

19:20-01:00

1 stop5h 40m

Dublin

Mon 11/5

15:40-10:00

1 stop18h 20m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 16/4

12:45-20:30

1 stop7h 45m

Dublin

Thu 23/4

10:20-15:20

1 stop5h 00m

€89

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 6/5

15:40-23:55

1 stop8h 15m

Cork

Wed 13/5

09:55-15:15

1 stop5h 20m

€89

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Fri 12/6

19:55-09:30

1 stop13h 35m

Shannon

Mon 15/6

08:10-21:30

1 stop13h 20m

€91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 2/5

16:55-23:05

1 stop6h 10m

Dublin

Sat 9/5

06:45-16:30

1 stop9h 45m

€92

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 20/4

09:15-14:15

1 stop5h 00m

Cork

Mon 27/4

05:55-18:25

1 stop12h 30m

€92

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Fri 29/5

19:20-08:25

1 stop13h 05m

Cork

Sun 31/5

09:00-20:40

1 stop11h 40m

€92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 7/5

06:40-20:30

1 stop13h 50m

Dublin

Mon 11/5

19:55-08:05

1 stop12h 10m

€93
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/4

08:55-16:00

1 stop7h 05m

Dublin

Fri 24/4

14:00-18:55

1 stop4h 55m

€95

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

3h 20m

Direct flights

None
The fastest flight from Belfast to Ireland takes 3h 20m
There are no direct flights from Belfast to Ireland. There are no popular flight routes from Belfast to Ireland.
Search flight deals

  • 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.

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

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

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

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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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Wed 22/4
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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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