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Cheap flights from Ireland to Belfast Intl Airport from £48

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
29 Jan — 5 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Belfast Intl
Explore the most affordable flight options available from Ireland to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 December 2025.

Mon 29/1205:45DUB - BFS
1 stop18h 40mMultiple Airlines
Mon 5/112:40BFS - DUB
1 stop10h 55mMultiple Airlines
Deal found 28/12£154
Tue 30/1219:30DUB - BFS
1 stop24h 10mMultiple Airlines
Tue 6/106:30BFS - DUB
1 stop14h 20mMultiple Airlines
Deal found 29/12£166
Sun 28/1221:40DUB - BFS
1 stop10h 40mMultiple Airlines
Thu 1/115:25BFS - DUB
1 stop6h 10mMultiple Airlines
Deal found 28/12£218
Wed 31/1206:40DUB - BFS
1 stop12h 25mMultiple Airlines
Thu 1/111:50BFS - DUB
1 stop6h 20mMultiple Airlines
Deal found 29/12£257

Find flight deals from Ireland to Belfast Intl

Keep the following information in mind while searching for Ireland to Belfast Intl flight deals. Data was last updated 30 December 2025.

Round-trip from

£80

One-way from

£48
19/2-23/2
  • 19/2-23/2
  • 2 total stops
  • 15h 55m total
  • Ireland to Belfast
Search Deals
25/3
  • 25/3
  • 1 total stop
  • 3h 50m total
  • Ireland to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast Intl 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 30 December 2025.
Use the filters below to find and compare flights from Ireland to Belfast Intl Airport that are best for you.

Fly from

Ireland

Fly to

Belfast Intl

Route

Depart

Return

Price

CorkBelfast

ORK - BFS

ORKBFS

Cork

Fri 13/2

15:45-20:25

1 stop4h 40m

Belfast Intl

Fri 20/2

18:00-22:45

1 stop4h 45m

£79

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 19/2

19:45-07:25

1 stop11h 40m

Belfast Intl

Mon 23/2

18:50-23:05

1 stop4h 15m

£80

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 12/2

19:25-10:30

1 stop15h 05m

Belfast Intl

Thu 19/2

14:00-19:00

1 stop5h 00m

£82

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sun 8/2

18:20-08:20

1 stop14h 00m

Belfast Intl

Sun 15/2

08:55-17:55

1 stop9h 00m

£85

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 2/2

09:45-18:25

1 stop8h 40m

Belfast Intl

Thu 5/2

06:15-13:20

1 stop7h 05m

£85

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 25/1

06:20-13:05

1 stop6h 45m

Belfast Intl

Sun 1/2

20:55-07:15

1 stop10h 20m

£87

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Fri 13/2

13:20-20:25

1 stop7h 05m

Belfast Intl

Fri 20/2

08:05-12:55

1 stop4h 50m

£90

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Fri 6/2

15:35-21:05

1 stop5h 30m

Belfast Intl

Fri 13/2

18:00-23:35

1 stop5h 35m

£91

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 27/1

07:50-16:15

1 stop8h 25m

Belfast Intl

Tue 3/2

13:55-20:35

1 stop6h 40m

£93

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Wed 11/2

07:40-13:15

1 stop5h 35m

Belfast Intl

Wed 18/2

12:50-18:30

1 stop5h 40m

£96

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 25 results
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Best time to book a flight from Ireland to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Ireland 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 Ireland to Belfast Intl Airport
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 Ireland to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ireland to Belfast Intl Airport?

    For as low as £82, Ryanair can have you in Belfast Intl Airport from Ireland in 15h 05m. Airlines will cover a distance of 85 mi.

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

    The most popular route from Ireland to Belfast Intl Airport is Dublin - Belfast Intl. You may also consider Shannon - Belfast Intl or Cork - Belfast Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland to Belfast Intl 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Alternative routes for Ireland to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Belfast Intl flights
Luton to Belfast Intl flights
Heathrow to Belfast Intl flights
Heathrow to Belfast City flights
Charles de Gaulle to Belfast Intl flights
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Edinburgh to Belfast Intl flights
Birmingham to Belfast Intl flights
London City to Belfast City flights
London City to Belfast Intl flights
Stansted to Belfast Intl flights
Luton to Belfast City flights
Beauvais-Tille to Belfast Intl flights
Stansted to Belfast City flights
Dublin to Belfast Intl flights
Manchester to Belfast City flights
Edinburgh to Belfast City flights
Glasgow Intl to Belfast Intl flights
Charles de Gaulle to Belfast City flights
Birmingham to Belfast City flights
Bristol to Belfast Intl flights
Dublin to Belfast City flights
Glasgow Intl to Belfast City flights
Leeds to Belfast Intl flights
Liverpool to Belfast Intl flights
Orly to Belfast City flights
Frankfurt to Belfast City flights
Frankfurt to Belfast Intl flights
Amsterdam to Belfast Intl flights
Leeds to Belfast City flights
Liverpool to Belfast City flights
Shannon to Belfast Intl flights
East Midlands to Belfast Intl flights
Frederic Chopin to Belfast Intl flights
Málaga to Belfast Intl flights
Shannon to Belfast City flights
Barcelona-El Prat to Belfast Intl flights
Amsterdam to Belfast City flights
Newcastle upon Tyne to Belfast Intl flights
East Midlands to Belfast City flights
Bristol to Belfast City flights
Lyon to Belfast Intl flights
Cardiff to Belfast City flights
Frankfurt-Hahn to Belfast Intl flights
Newcastle upon Tyne to Belfast City flights
Southampton to Belfast Intl flights
Cork to Belfast Intl flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Ireland to Belfast Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Belfast Intl.

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

Yes, we can. To see specific flights from Ireland to Belfast Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Ireland today and book when prices fit your budget.

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