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Cheap flights from Belfast Intl Airport to Dublin from £56

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast Intl to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Dublin
Explore the most affordable flight options available from Belfast Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Tue 2/1221:35BFS - DUB
1 stop10h 55mMultiple Airlines
Tue 9/1207:00DUB - BFS
1 stop5h 00mMultiple Airlines
Deal found 4/11£100
Sat 6/1223:10BFS - DUB
1 stop8h 40mMultiple Airlines
Mon 8/1219:05DUB - BFS
1 stop12h 50mMultiple Airlines
Deal found 4/11£104
Sat 20/1220:00BFS - DUB
1 stop4h 50mMultiple Airlines
Sat 27/1219:25DUB - BFS
1 stop11h 20mMultiple Airlines
Deal found 5/11£116

Cheap flight deals from Belfast Intl to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 November 2025.

Round-trip from

£100

One-way from

£56
2/12-9/12
  • 2/12-9/12
  • 2 total stops
  • 15h 55m total
  • Belfast to Dublin
Search Deals
Ryanair
  • Ryanair
  • 10/1
  • 1 total stop
  • 10h 30m total
  • Belfast to Dublin
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to Dublin 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 6 November 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Dublin that are best for you.

Fly from

Belfast Intl

Fly to

Dublin

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 2/12

21:35-08:30

1 stop10h 55m

Dublin

Tue 9/12

07:00-12:00

1 stop5h 00m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 30/1

20:05-07:15

1 stop11h 10m

Dublin

Mon 2/2

06:20-14:55

1 stop8h 35m

£104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 6/12

23:10-07:50

1 stop8h 40m

Dublin

Mon 8/12

19:05-07:55

1 stop12h 50m

£104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 20/12

20:00-00:50

1 stop4h 50m

Dublin

Sat 27/12

19:25-06:45

1 stop11h 20m

£116

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 10/4

19:20-01:00

1 stop5h 40m

Dublin

Sun 12/4

20:15-08:50

1 stop12h 35m

£128

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 10/1

06:00-16:30

1 stop10h 30m

£56

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 4/1

23:05-08:25

1 stop9h 20m

£58

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 13/11

08:15-23:45

1 stop15h 30m

£64

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 30/11

05:45-07:15

1 stop25h 30m

£67

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 13/11

21:00-12:10

2 stops15h 10m

£153

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Best time to book a flight from Belfast Intl to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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.

Related info for your journey

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

  • What airport do you fly into for flights to Dublin from Belfast Intl?

    Most people fly into Dublin (DUB) if they book a flight to Dublin from Belfast Intl. On average, Dublin has 0 inbound flights from Belfast Intl per day from 0 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl to Dublin 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 Dublin?

Book flights to Dublin if you plan to visit one of these locations
Athlone
Wicklow
Tullamore
Cavan
Drogheda
Malahide
Portmarnock
Dundalk
Enniscorthy
Mullingar
Bray
Arklow
Kildare
Carlingford
Maynooth
Swords
Naas

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Alternative routes for Belfast Intl to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Cork flights
Belfast City to Dublin flights
Belfast City to Cork flights
Belfast Intl to Shannon flights
Belfast City to Shannon flights

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

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

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

Need flexible booking options for your flight to Dublin 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 Dublin become cheaper?

Yes! Start tracking prices for Belfast Intl to Dublin 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.

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