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Cheap flights from Belfast to Ireland from €45

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 6/5. 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
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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
07:05 - 20:40
BFS
-
ORK
13h 35m
1 stop
Multiple Airlines Logo
21:05 - 10:00
ORK
-
BFS
12h 55m
1 stop
€79Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
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
€82Multiple Airlines
Wed, 3 Jun - Wed, 10 Jun
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
€83Multiple Airlines
Tue, 2 Jun - Tue, 9 Jun
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
€84Multiple Airlines
Mon, 11 May - Mon, 18 May
Multiple Airlines Logo
21:40 - 10:30
BFS
-
DUB
12h 50m
1 stop
Multiple Airlines Logo
12:15 - 21:15
DUB
-
BFS
9h 00m
1 stop
€85Multiple Airlines
Sat, 6 Jun - Sat, 13 Jun
Multiple Airlines Logo
08:40 - 20:40
BFS
-
ORK
12h 00m
1 stop
Multiple Airlines Logo
13:35 - 18:25
ORK
-
BFS
4h 50m
1 stop
€85Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Aer Lingus Logo
17:05 - 21:30
BHD
-
DUB
4h 25m
1 stop
Aer Lingus Logo
06:30 - 16:35
DUB
-
BHD
10h 05m
1 stop
€174Aer Lingus
Tue, 5 May - Thu, 7 May
British Airways Logo
19:35 - 20:35
BHD
-
SNN
25h 00m
1 stop
British Airways Logo
21:15 - 08:50
SNN
-
BHD
11h 35m
1 stop
€396British Airways
Mon, 8 Jun - Wed, 10 Jun
British Airways Logo
06:30 - 16:10
BHD
-
SNN
9h 40m
1 stop
British Airways Logo
07:30 - 18:45
SNN
-
BHD
11h 15m
1 stop
€429British Airways
Thu, 11 Jun - Thu, 18 Jun
British Airways Logo
19:05 - 11:20
BHD
-
SNN
16h 15m
1 stop
British Airways Logo
16:50 - 08:50
SNN
-
BHD
16h 00m
1 stop
€446British Airways
Sat, 6 Jun - Wed, 10 Jun

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British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
4 Jun
BHD20:35Belfast City
11h 10m
1 stop
DUB07:45Dublin
8 Jun
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€223
British Airways
16 May
BHD19:05Belfast City
12h 40m
1 stop
DUB07:45Dublin
19 May
DUB08:35Dublin
8h 55m
1 stop
BHD17:30Belfast City
€256
British Airways
16 May
BHD19:05Belfast City
12h 40m
1 stop
DUB07:45Dublin
19 May
DUB08:35Dublin
4h 20m
1 stop
BHD12:55Belfast City
€275

Aer Lingus flights from Belfast to Ireland

Our best Aer Lingus deals on Belfast to Ireland flight tickets
Aer Lingus
5 May
BHD17:05Belfast City
4h 25m
1 stop
DUB21:30Dublin
7 May
DUB06:30Dublin
10h 05m
1 stop
BHD16:35Belfast City
€174
Aer Lingus
5 May
BHD14:55Belfast City
5h 05m
1 stop
DUB20:00Dublin
9 May
DUB16:50Dublin
4h 05m
1 stop
BHD20:55Belfast City
€258
Aer Lingus
4 Jun
BHD11:05Belfast City
7h 30m
1 stop
DUB18:35Dublin
8 Jun
DUB07:30Dublin
13h 35m
1 stop
BHD21:05Belfast 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 24 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

Mon 8/6

07:05-20:40

1 stop13h 35m

Cork

Mon 15/6

21:05-10:00

1 stop12h 55m

€79
Fastest return journey

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 3/6

15:40-23:55

1 stop8h 15m

Cork

Wed 10/6

09:55-15:15

1 stop5h 20m

€82

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 2/6

07:35-21:45

1 stop14h 10m

Cork

Tue 9/6

22:25-07:05

1 stop8h 40m

€83

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

€84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 6/6

21:40-10:30

1 stop12h 50m

Dublin

Sat 13/6

12:15-21:15

1 stop9h 00m

€85

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 8/6

08:40-20:40

1 stop12h 00m

Cork

Mon 15/6

13:35-18:25

1 stop4h 50m

€85

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Tue 5/5

17:05-21:30

1 stop4h 25m

Dublin

Thu 7/5

06:30-16:35

1 stop10h 05m

€174

BelfastShannon

BHD - SNN

BHDSNN

Belfast City

Mon 8/6

19:35-20:35

1 stop25h 00m

Shannon

Wed 10/6

21:15-08:50

1 stop11h 35m

€396

BelfastShannon

BHD - SNN

BHDSNN

Belfast City

Thu 11/6

06:30-16:10

1 stop9h 40m

Shannon

Thu 18/6

07:30-18:45

1 stop11h 15m

€429

BelfastShannon

BHD - SNN

BHDSNN

Belfast City

Sat 6/6

19:05-11:20

1 stop16h 15m

Shannon

Wed 10/6

16:50-08:50

1 stop16h 00m

€446

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 airline that flies from Belfast to Ireland?

British Airways and Aer Lingus 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

6h 15m

Direct flights

None
The fastest flight from Belfast to Ireland takes 6h 15m
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.

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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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