Cheap flights from Belfast to Dublin

from as little as £374

4 nights in Dublin, departing George Best Belfast City Airport on 11 / Apr / 2025 with Aer Lingus (price found 17 hours ago)

Subject to availability, prices correct of the last 24 hours
Dublin

Cheap return flights from Belfast to Dublin

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The Belfast / Dublin route

All 137 km of it

Cheap flight deals for this route

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Dublin flight facts

What you need to know

Alternative flights from the UK to Dublin

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Dublin

11 / Apr / 2025 is currently the lowest priced day of the year to fly the Belfast/Dublin route. There are around 30 flights on any given week from the UK to Dublin and the cheapest month to fly right now is April.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

2 °C

AVG

9 °C

HIGHEST

18 °C

Rainfall (mm)
LOWEST

49 mm

AVG

61.2 mm

HIGHEST

75 mm

Key facts about Dublin

How to get cheap flights from Belfast to Dublin

Tips and advice from our flight experts

Weekly, there are 30 flights connecting Dublin to Belfast. We've gone through them all to help you find the right flight for you. If you can't find what you're looking for, consider widening your search by looking at flights from a different airport.

George Best Belfast City Airport (BHD) is the most popular airport in this city for flights to Dublin, and the most popular airlines are Aer Lingus & British Airways. Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.

Last-minute deals can be cheaper, but it's risky. It's best to book flights to Dublin in advance to avoid disappointment. British Airways usually have the lowest prices, so keep an eye out for their flights. Flights from Belfast to Dublin generally take about 4 hrs 55 mins.

Did you know you can also compare car hire and hotel prices in Republic of Ireland with Netflights? Take a look to get an idea of prices in Dublin.

Other popular destinations near Dublin

Where other people are flying to

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