Latest deals
Insights
FAQs
Reviews
Price Alerts

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 27/3. 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

Discover deals from 900+ travel sites with momondo.

Voted 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
22:25 - 07:00
BFS
-
ORK
8h 35m
1 stop
Multiple Airlines Logo
22:40 - 08:35
ORK
-
BFS
9h 55m
1 stop
£77Multiple Airlines
Sat, 21 Mar - Sat, 28 Mar
Multiple Airlines Logo
22:25 - 07:00
BFS
-
ORK
8h 35m
1 stop
Multiple Airlines Logo
22:40 - 08:35
ORK
-
BFS
9h 55m
1 stop
£78Multiple Airlines
Sat, 21 Mar - Sat, 28 Mar
Multiple Airlines Logo
22:25 - 09:25
BFS
-
DUB
11h 00m
1 stop
Multiple Airlines Logo
20:00 - 09:05
DUB
-
BFS
13h 05m
1 stop
£80Multiple Airlines
Sat, 21 Mar - Mon, 23 Mar
Multiple Airlines Logo
07:10 - 11:10
BFS
-
DUB
4h 00m
1 stop
Multiple Airlines Logo
13:30 - 21:05
DUB
-
BFS
7h 35m
1 stop
£81Multiple Airlines
Sun, 8 Mar - Fri, 13 Mar
Multiple Airlines Logo
12:45 - 16:30
BFS
-
DUB
3h 45m
1 stop
Multiple Airlines Logo
15:00 - 22:00
DUB
-
BFS
7h 00m
1 stop
£82Multiple Airlines
Sat, 21 Mar - Sat, 28 Mar
Multiple Airlines Logo
07:55 - 16:15
BFS
-
DUB
8h 20m
1 stop
Multiple Airlines Logo
06:45 - 10:20
DUB
-
BFS
3h 35m
1 stop
£83Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
British Airways Logo
20:00 - 21:00
BHD
-
ORK
25h 00m
1 stop
British Airways Logo
16:05 - 20:30
ORK
-
BHD
4h 25m
1 stop
£364British Airways
Thu, 26 Feb - Sun, 1 Mar
British Airways Logo
17:40 - 23:25
BHD
-
ORK
5h 45m
1 stop
British Airways Logo
16:05 - 07:40
ORK
-
BHD
15h 35m
1 stop
£366British Airways
Fri, 27 Feb - Mon, 2 Mar
British Airways Logo
20:00 - 21:00
BHD
-
ORK
25h 00m
1 stop
British Airways Logo
11:55 - 20:30
ORK
-
BHD
8h 35m
1 stop
£367British Airways
Thu, 26 Feb - Sun, 1 Mar
KLM Logo
17:20 - 16:45
BHD
-
ORK
23h 25m
1 stop
KLM Logo
15:25 - 16:50
ORK
-
BHD
25h 25m
2 stops
£432KLM
Fri, 6 Mar - Fri, 13 Mar

British Airways flights from Belfast to Ireland

Our best British Airways deals on Belfast to Ireland flight tickets
British Airways
21 Apr
BHD09:40Belfast City
9h 55m
1 stop
DUB19:35Dublin
22 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
£177
British Airways
21 Apr
BHD12:40Belfast City
6h 55m
1 stop
DUB19:35Dublin
22 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
£178
British Airways
14 Feb
BHD11:35Belfast City
8h 15m
1 stop
DUB19:50Dublin
18 Feb
DUB08:50Dublin
6h 00m
1 stop
BHD14:50Belfast City
£253

KLM flights from Belfast to Ireland

Our best KLM deals on Belfast to Ireland flight tickets
KLM
21 Mar
BHD06:30Belfast City
6h 10m
1 stop
DUB12:40Dublin
23 Mar
DUB05:55Dublin
10h 55m
1 stop
BHD16:50Belfast City
£199
KLM
6 Mar
BHD17:20Belfast City
23h 25m
1 stop
ORK16:45Cork
13 Mar
ORK15:25Cork
25h 25m
2 stops
BHD16:50Belfast City
£432
KLM
6 Mar
BHD06:30Belfast City
8h 15m
2 stops
ORK14:45Cork
13 Mar
ORK15:25Cork
25h 25m
2 stops
BHD16:50Belfast City
£615

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 6 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

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 21/3

22:25-07:00

1 stop8h 35m

Cork

Sat 28/3

22:40-08:35

1 stop9h 55m

£77

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 21/3

22:25-07:00

1 stop8h 35m

Cork

Sat 28/3

22:40-08:35

1 stop9h 55m

£78

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 21/3

22:25-09:25

1 stop11h 00m

Dublin

Mon 23/3

20:00-09:05

1 stop13h 05m

£80

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 8/3

07:10-11:10

1 stop4h 00m

Dublin

Fri 13/3

13:30-21:05

1 stop7h 35m

£81

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 21/3

12:45-16:30

1 stop3h 45m

Dublin

Sat 28/3

15:00-22:00

1 stop7h 00m

£82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 4/3

07:55-16:15

1 stop8h 20m

Dublin

Wed 11/3

06:45-10:20

1 stop3h 35m

£83

BelfastCork

BHD - ORK

BHDORK

Belfast City

Thu 26/2

20:00-21:00

1 stop25h 00m

Cork

Sun 1/3

16:05-20:30

1 stop4h 25m

£364

BelfastCork

BHD - ORK

BHDORK

Belfast City

Fri 27/2

17:40-23:25

1 stop5h 45m

Cork

Mon 2/3

16:05-07:40

1 stop15h 35m

£366

BelfastCork

BHD - ORK

BHDORK

Belfast City

Thu 26/2

20:00-21:00

1 stop25h 00m

Cork

Sun 1/3

11:55-20:30

1 stop8h 35m

£367

BelfastCork

BHD - ORK

BHDORK

Belfast City

Fri 6/3

17:20-16:45

1 stop23h 25m

Cork

Fri 13/3

15:25-16:50

2 stops25h 25m

£432

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

3h 10m

Direct flights

None
The fastest flight from Belfast to Ireland takes 3h 10m
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 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
6.9
5,258 reviews
Search Ryanair flights
Aer LingusPriceFrom £69Free CancellationRating
7.2
1,445 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.

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 8/3
Sun 15/3
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 £18
Flights to Corkfrom £29
Flights to Shannon, Clarefrom £29
Flights to Knockfrom £29
Flights to Milltown (Kerry)from £33
Flights to Donegalfrom £135