Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Belfast to Ireland from €46

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 18/6. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Belfast to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
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
€80Multiple Airlines
Wed, 20 May - Wed, 27 May
Multiple Airlines Logo
07:30 - 14:50
BFS
-
DUB
7h 20m
1 stop
Multiple Airlines Logo
10:05 - 15:15
DUB
-
BFS
5h 10m
1 stop
€81Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
10:05 - 15:15
DUB
-
BFS
5h 10m
1 stop
€82Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
Multiple Airlines Logo
11:35 - 23:20
ORK
-
BFS
11h 45m
1 stop
€82Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
23:50 - 08:30
DUB
-
BFS
8h 40m
1 stop
€84Multiple Airlines
Wed, 6 May - Thu, 7 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
€86Multiple Airlines
Thu, 21 May - Thu, 28 May
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
Multiple Airlines Logo
08:15 - 15:20
ORK
-
BFS
7h 05m
1 stop
€86Multiple Airlines
Tue, 5 May - Thu, 7 May
Multiple Airlines Logo
08:55 - 17:20
BFS
-
DUB
8h 25m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€86Multiple Airlines
Fri, 15 May - Mon, 18 May
Multiple Airlines Logo
09:15 - 17:10
BFS
-
DUB
7h 55m
1 stop
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
€87Multiple Airlines
Thu, 14 May - Mon, 18 May
Multiple Airlines Logo
12:45 - 20:30
BFS
-
DUB
7h 45m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€89Multiple Airlines
Thu, 14 May - Mon, 18 May

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
4 Jun
BHD19:30Belfast City
12h 15m
1 stop
DUB07:45Dublin
8 Jun
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€222
British Airways
14 May
BHD14:20Belfast City
5h 10m
1 stop
DUB19:30Dublin
18 May
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€229
British Airways
26 Aug
BHD06:30Belfast City
12h 20m
1 stop
DUB18:50Dublin
27 Aug
DUB18:50Dublin
13h 55m
1 stop
BHD08:45Belfast City
€235

KLM flights from Belfast to Ireland

Our best KLM deals on Belfast to Ireland flight tickets
KLM
4 Jun
BHD09:50Belfast City
6h 50m
1 stop
DUB16:40Dublin
8 Jun
DUB05:55Dublin
11h 00m
1 stop
BHD16:55Belfast City
€444
KLM
14 May
BHD17:30Belfast City
14h 50m
1 stop
DUB08:20Dublin
18 May
DUB11:10Dublin
22h 10m
1 stop
BHD09:20Belfast City
€492
KLM
15 May
BHD17:30Belfast City
4h 55m
1 stop
DUB22:25Dublin
18 May
DUB11:10Dublin
22h 10m
1 stop
BHD09:20Belfast City
€507

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 9 April 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

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 20/5

15:40-23:55

1 stop8h 15m

Cork

Wed 27/5

09:55-15:15

1 stop5h 20m

€80

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 6/5

07:30-14:50

1 stop7h 20m

Dublin

Wed 13/5

10:05-15:15

1 stop5h 10m

€81
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 6/5

07:30-12:30

1 stop5h 00m

Dublin

Wed 13/5

10:05-15:15

1 stop5h 10m

€82

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 5/5

07:35-21:45

1 stop14h 10m

Cork

Tue 12/5

11:35-23:20

1 stop11h 45m

€82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 6/5

07:30-12:30

1 stop5h 00m

Dublin

Thu 7/5

23:50-08:30

1 stop8h 40m

€84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 21/5

12:45-20:30

1 stop7h 45m

Dublin

Thu 28/5

10:20-15:20

1 stop5h 00m

€86

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 5/5

07:35-21:45

1 stop14h 10m

Cork

Thu 7/5

08:15-15:20

1 stop7h 05m

€86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 15/5

08:55-17:20

1 stop8h 25m

Dublin

Mon 18/5

20:35-10:00

1 stop13h 25m

€86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 14/5

09:15-17:10

1 stop7h 55m

Dublin

Mon 18/5

21:10-10:00

1 stop12h 50m

€87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 14/5

12:45-20:30

1 stop7h 45m

Dublin

Mon 18/5

20:35-10:00

1 stop13h 25m

€89

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 airline that flies from Belfast to Ireland?

British Airways is the most popular carrier operating from Belfast to Ireland

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

4h 20m

Direct flights

None
The fastest flight from Belfast to Ireland takes 4h 20m
There are no direct flights from Belfast to Ireland. There are no popular flight routes from Belfast to Ireland.
Search flight deals

Frequently asked questions about flying from Belfast to Ireland

  • 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.

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.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/5
Sat 16/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €34
Flights to Corkfrom €81
Flights to Shannon, Clarefrom €92
Flights to Donegalfrom €74
Flights to Milltown (Kerry)from €37