Cheap flights from Belfast to Dublin from £52
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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Belfast to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 24 October 2025.
Find flight deals from Belfast to Dublin
Cheapest flights from Belfast to DublinExplore the most affordable flight options available from Belfast to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.
Explore the most affordable flight options available from Belfast to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Belfast to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Sat 6/12
13:55-20:30
1 stop6h 35m
Dublin
Mon 8/12
06:40-20:45
1 stop14h 05m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Thu 20/11
06:00-15:05
1 stop9h 05m
Dublin
Wed 26/11
08:15-17:55
1 stop9h 40m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Wed 19/11
13:55-20:05
1 stop6h 10m
Dublin
Wed 26/11
08:15-17:55
1 stop9h 40m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Thu 20/11
06:00-17:50
1 stop11h 50m
Dublin
Thu 27/11
13:45-22:50
1 stop9h 05m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Mon 1/12
06:00-11:35
1 stop5h 35m
Dublin
Thu 4/12
18:15-22:50
1 stop4h 35m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Sun 7/12
07:10-11:55
1 stop4h 45m
Dublin
Sun 14/12
21:15-06:50
1 stop9h 35m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Tue 18/11
07:00-11:55
1 stop4h 55m
Dublin
Tue 25/11
18:10-22:35
1 stop4h 25m
BelfastDublin
BHD - DUB
BHDDUB
Belfast City
Sat 6/12
13:55-17:55
1 stop4h 00m
Dublin
Mon 8/12
06:30-16:25
1 stop9h 55m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Sat 6/12
13:55-20:25
1 stop6h 30m
Dublin
Sat 13/12
18:45-22:45
1 stop4h 00m
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Sat 22/11
23:10-07:50
1 stop8h 40m
Dublin
Sat 29/11
16:55-22:00
1 stop5h 05m
Best time to book a flight from Belfast to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from Belfast with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Belfast to Dublin
What is the cheapest time of day to fly from BFS to DUB?
Find hourly flight availability from Belfast to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2025.
One of the essential ways to save on airfare from Belfast to Dublin is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 64% on airfare.
Related info for your journey
Find useful and relevant information for your journey from Belfast to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Dublin?
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Alternative routes for Belfast to Dublin
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Belfast to Dublin
Discover the top 2 airlines that operate flights from Belfast to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 October 2025.
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 to Dublin?
Cheapflights helps you search for flights from Belfast to Dublin 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 Belfast to Dublin?
Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Dublin for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Belfast to Dublin with no change fees?
Yes, we can. To see specific flights from Belfast to Dublin 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 Belfast to Dublin become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dublin from Belfast today and book when prices fit your budget.