Cheap flights from Dublin to Belfast from £43
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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Dublin to Belfast
Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Belfast (BF1). 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 17 September 2025.
Round-trip from | £92 |
---|---|
One-way from | £43 |
Find flight deals from Dublin to Belfast
Cheapest flights from Dublin to BelfastExplore the most affordable flight options available from Dublin to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.
Explore the most affordable flight options available from Dublin to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Dublin to Belfast that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Fri 31/10
18:45-08:50
1 stop14h 05m
Belfast Intl
Fri 7/11
14:30-23:05
1 stop8h 35m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Thu 30/10
08:30-16:10
1 stop7h 40m
Belfast Intl
Thu 6/11
16:35-21:35
1 stop5h 00m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Tue 14/10
16:20-22:30
1 stop6h 10m
Belfast Intl
Tue 21/10
05:55-15:55
1 stop10h 00m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Thu 16/10
13:05-22:00
1 stop8h 55m
Belfast Intl
Sun 19/10
23:30-09:35
1 stop10h 05m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Mon 13/10
06:30-10:30
1 stop4h 00m
Belfast Intl
Mon 20/10
16:20-00:40
1 stop8h 20m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Sat 8/11
16:55-06:45
1 stop13h 50m
Belfast Intl
Sun 16/11
22:45-11:35
1 stop12h 50m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Sat 8/11
16:55-06:45
1 stop13h 50m
Belfast Intl
Sat 15/11
06:00-16:30
1 stop10h 30m
DublinBelfast
DUB - BHD
DUBBHD
Dublin
Tue 14/10
05:45-13:45
1 stop8h 00m
Belfast City
Tue 21/10
10:40-16:55
1 stop6h 15m
DublinBelfast
DUB - BHD
DUBBHD
Dublin
Tue 30/9
06:50-10:10
1 stop3h 20m
Belfast City
Tue 7/10
10:40-17:15
1 stop6h 35m
DublinBelfast
DUB - BHD
DUBBHD
Dublin
Mon 13/10
06:30-16:25
1 stop9h 55m
Belfast City
Mon 20/10
09:05-12:45
1 stop3h 40m
Best time to book a flight from Dublin to Belfast
Have a flexible travel schedule? Discover the best time to fly to Belfast from Dublin with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Dublin to Belfast
What is the cheapest time of day to fly from DUB to BFS?
Find hourly flight availability from Dublin to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.
When flying from Dublin to Belfast, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Related info for your journey
Find useful and relevant information for your journey from Dublin to Belfast. 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 Dublin to Belfast
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How does Cheapflights help users find flights from Dublin to Belfast?
When you search for this flight from Dublin to Belfast, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Dublin to Belfast?
Cheapflights simply makes it quick and affordable to book flights from Dublin to Belfast by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Dublin to Belfast with no change fees?
Yes! Cheapflights helps users easily find flights from Dublin to Belfast with no change fees.
Can Cheapflights notify me if prices for flights from Dublin to Belfast become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!