Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Belfast to Ireland from €54

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 10/4. 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
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
08:55 - 21:10
BFS
-
DUB
12h 15m
1 stop
Multiple Airlines Logo
22:05 - 12:20
DUB
-
BFS
14h 15m
1 stop
€83Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:55 - 21:10
BFS
-
DUB
12h 15m
1 stop
Multiple Airlines Logo
15:40 - 21:30
DUB
-
BFS
5h 50m
1 stop
€86Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:55 - 21:10
BFS
-
DUB
12h 15m
1 stop
Multiple Airlines Logo
22:05 - 12:20
DUB
-
BFS
14h 15m
1 stop
€87Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:40 - 17:00
BFS
-
DUB
8h 20m
1 stop
Multiple Airlines Logo
15:45 - 22:20
DUB
-
BFS
6h 35m
1 stop
€88Multiple Airlines
Mon, 20 Apr - Thu, 30 Apr
Multiple Airlines Logo
07:00 - 20:15
BFS
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
08:30 - 20:40
DUB
-
BFS
12h 10m
1 stop
€89Multiple Airlines
Thu, 9 Apr - Thu, 16 Apr
Multiple Airlines Logo
15:40 - 23:55
BFS
-
ORK
8h 15m
1 stop
Multiple Airlines Logo
17:15 - 23:20
ORK
-
BFS
6h 05m
1 stop
€89Multiple Airlines
Wed, 8 Apr - Wed, 22 Apr
Multiple Airlines Logo
22:45 - 08:20
BFS
-
ORK
9h 35m
1 stop
Multiple Airlines Logo
14:05 - 23:20
ORK
-
BFS
9h 15m
1 stop
€91Multiple Airlines
Thu, 9 Apr - Wed, 15 Apr
Multiple Airlines Logo
09:15 - 20:20
BFS
-
SNN
11h 05m
1 stop
Multiple Airlines Logo
06:05 - 11:35
SNN
-
BFS
5h 30m
1 stop
€92Multiple Airlines
Thu, 16 Apr - Wed, 22 Apr
Multiple Airlines Logo
07:55 - 16:15
BFS
-
DUB
8h 20m
1 stop
Multiple Airlines Logo
06:30 - 15:15
DUB
-
BFS
8h 45m
1 stop
€94Multiple Airlines
Wed, 25 Mar - Wed, 1 Apr
British Airways Logo
19:05 - 20:35
BHD
-
SNN
25h 30m
1 stop
British Airways Logo
17:25 - 08:55
SNN
-
BHD
15h 30m
1 stop
€373British Airways
Sat, 18 Apr - Sat, 25 Apr

Aer Lingus flights from Belfast to Ireland

Our best Aer Lingus deals on Belfast to Ireland flight tickets
Aer Lingus
8 Mar
BHD06:50Belfast City
11h 10m
1 stop
DUB18:00Dublin
9 Mar
DUB06:40Dublin
6h 10m
1 stop
BHD12:50Belfast City
€166
Aer Lingus
24 Mar
BHD17:55Belfast City
15h 25m
1 stop
DUB09:20Dublin
26 Mar
DUB08:00Dublin
5h 50m
1 stop
BHD13:50Belfast City
€305
Aer Lingus
9 Apr
BHD06:50Belfast City
33h 20m
3 stops
SNN16:10Shannon
15 Apr
SNN16:50Shannon
21h 00m
3 stops
BHD13:50Belfast City
€702

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
21 Apr
BHD20:25Belfast City
11h 15m
1 stop
DUB07:40Dublin
22 Apr
DUB15:25Dublin
4h 15m
1 stop
BHD19:40Belfast City
€202
British Airways
14 Mar
BHD18:00Belfast City
18h 45m
1 stop
DUB12:45Dublin
21 Mar
DUB20:40Dublin
11h 35m
1 stop
BHD08:15Belfast City
€246
British Airways
11 Mar
BHD11:25Belfast City
5h 35m
1 stop
DUB17:00Dublin
18 Mar
DUB20:40Dublin
12h 30m
1 stop
BHD09:10Belfast City
€287

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 27 February 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

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/4

08:55-21:10

1 stop12h 15m

Dublin

Mon 20/4

22:05-12:20

1 stop14h 15m

€83

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/4

08:55-21:10

1 stop12h 15m

Dublin

Mon 20/4

15:40-21:30

1 stop5h 50m

€86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/4

08:55-21:10

1 stop12h 15m

Dublin

Mon 20/4

22:05-12:20

1 stop14h 15m

€87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 20/4

08:40-17:00

1 stop8h 20m

Dublin

Thu 30/4

15:45-22:20

1 stop6h 35m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 9/4

07:00-20:15

1 stop13h 15m

Dublin

Thu 16/4

08:30-20:40

1 stop12h 10m

€89

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 8/4

15:40-23:55

1 stop8h 15m

Cork

Wed 22/4

17:15-23:20

1 stop6h 05m

€89

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 9/4

22:45-08:20

1 stop9h 35m

Cork

Wed 15/4

14:05-23:20

1 stop9h 15m

€91

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Thu 16/4

09:15-20:20

1 stop11h 05m

Shannon

Wed 22/4

06:05-11:35

1 stop5h 30m

€92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 25/3

07:55-16:15

1 stop8h 20m

Dublin

Wed 1/4

06:30-15:15

1 stop8h 45m

€94

BelfastShannon

BHD - SNN

BHDSNN

Belfast City

Sat 18/4

19:05-20:35

1 stop25h 30m

Shannon

Sat 25/4

17:25-08:55

1 stop15h 30m

€373

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?

Ryanair, Aer Lingus, and British Airways are the most popular carriers 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 25m

Direct flights

None
The fastest flight from Belfast to Ireland takes 4h 25m
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.

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
Sun 29/3
Sun 5/4
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 €38
Flights to Corkfrom €77
Flights to Shannon, Clarefrom €86
Flights to Donegalfrom €75
Flights to Milltown (Kerry)from €37