Cheap flights from Belfast Intl Airport to Dublin from £53
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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
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 1 September 2025.
Round-trip from | £100 |
---|---|
One-way from | £53 |
Find flight deals from Belfast Intl to Dublin
Cheapest flights from Belfast Intl to DublinExplore 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 1 September 2025.
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 1 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Belfast Intl Airport to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Tue 14/10
07:45-18:30
1 stop10h 45m
Dublin
Tue 21/10
06:50-11:55
1 stop5h 05m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Tue 21/10
06:45-13:35
1 stop6h 50m
Dublin
Thu 30/10
08:30-16:10
1 stop7h 40m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Wed 12/11
08:50-13:55
1 stop5h 05m
Dublin
Wed 12/11
20:00-09:20
1 stop13h 20m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Tue 30/9
12:25-21:30
1 stop9h 05m
Dublin
Tue 7/10
14:05-22:40
1 stop8h 35m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Thu 2/10
06:35-13:50
1 stop7h 15m
Dublin
Mon 6/10
16:00-21:05
1 stop5h 05m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Wed 15/10
21:50-09:50
1 stop12h 00m
Dublin
Wed 22/10
15:30-19:30
1 stop4h 00m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Tue 4/11
05:45-09:50
1 stop4h 05m
Dublin
Wed 5/11
06:45-10:20
1 stop3h 35m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Sat 11/10
08:45-13:35
1 stop4h 50m
Dublin
Mon 13/10
06:30-09:45
1 stop3h 15m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Sat 1/11
05:45-09:50
1 stop4h 05m
Dublin
Sun 2/11
05:30-11:00
1 stop5h 30m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Wed 15/10
21:50-09:50
1 stop12h 00m
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.
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.
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Alternative routes for Belfast Intl to Dublin
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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.