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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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 20 February 2026.

Thu 16/412:45
BFS
-
DUB
1 stop7h 45m
Multiple Airlines
Mon 20/415:40
DUB
-
BFS
1 stop5h 50m
Multiple Airlines
Deal found 20/2£74
Wed 8/419:45
BFS
-
DUB
1 stop3h 40m
Multiple Airlines
Sun 12/423:10
DUB
-
BFS
1 stop9h 05m
Multiple Airlines
Deal found 17/2£77
Mon 13/421:55
BFS
-
DUB
1 stop10h 35m
Multiple Airlines
Wed 15/418:15
DUB
-
BFS
1 stop5h 05m
Multiple Airlines
Deal found 17/2£79
Sat 28/323:10
BFS
-
DUB
1 stop10h 10m
Multiple Airlines
Mon 30/314:10
DUB
-
BFS
1 stop7h 45m
Multiple Airlines
Deal found 19/2£79
Sat 21/322:25
BFS
-
DUB
1 stop11h 00m
Multiple Airlines
Mon 23/315:30
DUB
-
BFS
1 stop3h 25m
Multiple Airlines
Deal found 17/2£84
Tue 24/305:45
BFS
-
DUB
1 stop4h 05m
Multiple Airlines
Thu 26/321:30
DUB
-
BFS
1 stop9h 55m
Multiple Airlines
Deal found 19/2£87
Sat 4/409:30
BFS
-
DUB
1 stop8h 40m
Multiple Airlines
Sat 11/406:45
DUB
-
BFS
1 stop9h 45m
Multiple Airlines
Deal found 18/2£88
Mon 6/408:40
BFS
-
DUB
1 stop14h 55m
Multiple Airlines
Mon 13/406:55
DUB
-
BFS
1 stop8h 25m
Multiple Airlines
Deal found 20/2£96
Tue 21/407:35
BFS
-
DUB
1 stop16h 10m
Multiple Airlines
Tue 28/408:30
DUB
-
BFS
1 stop7h 45m
Multiple Airlines
Deal found 19/2£98
Mon 16/307:00
BFS
-
DUB
1 stop6h 45m
Multiple Airlines
Tue 17/321:15
DUB
-
BFS
1 stop13h 05m
Multiple Airlines
Deal found 17/2£99
Fri 20/321:05
BFS
-
DUB
1 stop12h 45m
Multiple Airlines
Fri 27/318:35
DUB
-
BFS
1 stop5h 10m
Multiple Airlines
Deal found 20/2£100

Find 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 20 February 2026.

Round-trip from

£75

One-way from

£56
16/4-20/4
  • 16/4-20/4
  • 2 total stops
  • 14h 20m total
  • Belfast to Dublin
Search Deals
30/6
  • 30/6
  • 1 total stop
  • 17h 10m 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 20 February 2026.
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

Thu 16/4

12:45-20:30

1 stop7h 45m

Dublin

Mon 20/4

15:40-21:30

1 stop5h 50m

£74

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 8/4

19:45-23:25

1 stop3h 40m

Dublin

Sun 12/4

23:10-08:15

1 stop9h 05m

£77

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 13/4

21:55-08:30

1 stop10h 35m

Dublin

Wed 15/4

18:15-23:20

1 stop5h 05m

£79

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 28/3

23:10-09:20

1 stop10h 10m

Dublin

Mon 30/3

14:10-21:55

1 stop7h 45m

£79

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 21/3

22:25-09:25

1 stop11h 00m

Dublin

Mon 23/3

15:30-18:55

1 stop3h 25m

£84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 24/3

05:45-09:50

1 stop4h 05m

Dublin

Thu 26/3

21:30-07:25

1 stop9h 55m

£87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 4/4

09:30-18:10

1 stop8h 40m

Dublin

Sat 11/4

06:45-16:30

1 stop9h 45m

£88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 6/4

08:40-23:35

1 stop14h 55m

Dublin

Mon 13/4

06:55-15:20

1 stop8h 25m

£96

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 21/4

07:35-23:45

1 stop16h 10m

Dublin

Tue 28/4

08:30-16:15

1 stop7h 45m

£98

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 16/3

07:00-13:45

1 stop6h 45m

Dublin

Tue 17/3

21:15-10:20

1 stop13h 05m

£99

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 14 results
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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
Arklow
Cavan
Tullamore
Portmarnock
Dundalk
Wicklow
Enniscorthy
Bray
Mullingar
Drogheda
Kildare
Malahide
Maynooth
Swords
Carlingford
Naas

Browse thousands of different options on Cheapflights for your next trip

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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 Cork flights
Belfast Intl to Shannon flights
Belfast City to Dublin flights
Belfast City to Shannon 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 Dublin?

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 Dublin from Belfast Intl today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast Intl to Dublin for you. Better yet — we are completely free to use.

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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