Find flights
When to book
FAQs

Cheap flights from Belfast Intl Airport to Ireland from £55

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Ireland
Explore the most affordable flight options available from Belfast Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Sun 21/1223:05BFS - DUB
1 stop8h 50mMultiple Airlines
Fri 26/1216:15DUB - BFS
1 stop7h 10mMultiple Airlines
Deal found 3/12£100
Wed 31/1207:20BFS - DUB
1 stop28h 55mMultiple Airlines
Wed 7/120:00DUB - BFS
1 stop13h 20mMultiple Airlines
Deal found 3/12£112
Sat 27/1207:20BFS - DUB
1 stop9h 05mMultiple Airlines
Mon 5/121:00DUB - BFS
1 stop3h 25mMultiple Airlines
Deal found 3/12£114
Wed 17/1213:25BFS - DUB
1 stop6h 40mMultiple Airlines
Sat 20/1219:25DUB - BFS
1 stop11h 20mMultiple Airlines
Deal found 3/12£133

Find flight deals from Belfast Intl to Ireland

Keep the following information in mind while searching for Belfast Intl to Ireland flight deals. Data was last updated 5 December 2025.

Round-trip from

£78

One-way from

£55
18/1-25/1
  • 18/1-25/1
  • 2 total stops
  • 17h 05m total
  • Belfast to Ireland
Search Deals
13/12
  • 13/12
  • 1 total stop
  • 26h 45m total
  • Belfast to Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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, Cheapflights users made 858,174 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Ireland that are best for you.

Fly from

Belfast Intl

Fly to

Ireland

Route

Depart

Return

Price

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sun 18/1

23:05-07:10

1 stop8h 05m

Cork

Sun 25/1

22:25-07:25

1 stop9h 00m

£78

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 17/1

13:10-17:55

1 stop4h 45m

Dublin

Sat 24/1

15:00-22:00

1 stop7h 00m

£82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

06:15-17:50

1 stop11h 35m

Dublin

Mon 19/1

09:45-21:55

1 stop12h 10m

£85

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Fri 16/1

16:45-23:15

1 stop6h 30m

Shannon

Fri 23/1

23:40-08:40

1 stop9h 00m

£91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 23/1

18:00-23:05

1 stop5h 05m

Dublin

Wed 28/1

08:15-17:55

1 stop9h 40m

£92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

16:35-21:35

1 stop5h 00m

Dublin

Thu 22/1

10:05-16:10

1 stop6h 05m

£94

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 8/1

06:15-18:55

1 stop12h 40m

Cork

Wed 14/1

05:45-10:20

1 stop4h 35m

£94

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 17/1

22:25-07:00

1 stop8h 35m

Cork

Sat 24/1

22:40-06:45

1 stop8h 05m

£94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 21/12

23:05-07:55

1 stop8h 50m

Dublin

Fri 26/12

16:15-23:25

1 stop7h 10m

£100

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Sun 18/1

22:45-09:25

1 stop10h 40m

Shannon

Sun 25/1

19:55-07:25

1 stop11h 30m

£101

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Belfast Intl to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Belfast Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Ireland
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Belfast Intl Airport to Ireland?

    While some choose either Belfast Intl - Cork or Belfast Intl - Shannon, Belfast Intl - Dublin is the most popular route from Belfast Intl Airport to Ireland.

  • Can I find deals for flights from Belfast Intl to Ireland that include hotel bookings?

    Yes. In addition to deals on Belfast Intl to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast Intl to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Ireland.

  • Can I find deals for business class flights from Belfast Intl to Ireland?

    Yes. Cheapflights offers flight deals from Belfast Intl to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast Intl to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Luton flights
Belfast Intl to Gatwick flights
Belfast Intl to Edinburgh flights
Belfast City to Heathrow flights
Belfast Intl to Stansted flights
Belfast Intl to Arrecife flights
Belfast City to Luton flights
Belfast Intl to Málaga flights
Belfast Intl to Heathrow flights
Belfast City to Gatwick flights
Belfast Intl to Manchester flights
Belfast City to London City flights
Belfast City to Stansted flights
Belfast City to Edinburgh flights
Belfast Intl to Charles de Gaulle flights
Belfast Intl to London City flights
Belfast Intl to Alicante flights
Belfast Intl to Birmingham flights
Belfast Intl to Faro flights
Belfast City to Manchester flights
Belfast Intl to Liverpool flights
Belfast City to Arrecife flights
Belfast City to Málaga flights
Belfast Intl to Amsterdam flights
Belfast Intl to Geneva flights
Belfast City to Liverpool flights
Belfast City to Charles de Gaulle flights
Belfast City to Amsterdam flights
Belfast Intl to Southend flights
Belfast Intl to Granadilla flights
Belfast Intl to Leeds flights
Belfast City to Faro flights
Belfast Intl to Krakow flights
Belfast City to Birmingham flights
Belfast Intl to Glasgow Intl flights
Belfast Intl to Barcelona-El Prat flights
Belfast Intl to Bristol flights
Belfast Intl to Las Palmas de Gran Canaria flights
Belfast Intl to Puerto del Rosario flights
Belfast City to Istanbul flights
Belfast City to Alicante flights
Belfast Intl to Palma de Mallorca flights
Belfast City to Glasgow Intl flights
Belfast City to Leeds flights
Belfast Intl to Prague flights
Belfast City to Barcelona-El Prat flights
Belfast City to Krakow flights
Belfast Intl to Istanbul flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belfast Intl to Ireland?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ireland from Belfast Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Ireland?

Cheapflights helps you find that perfect flight to Ireland from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Belfast Intl to Ireland with no change fees?

Need flexible booking options for your flight to Ireland from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Belfast Intl to Ireland become cheaper?

Yes! Start tracking prices for Belfast Intl to Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.