We've gone through lots of different flights, to help you find the cheapest way to get from George Best Belfast City Airport to Dublin. You can choose from two airlines. At the moment, 11 / Apr / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
There are 30 flights from George Best Belfast City Airport to or via Dublin every week. Out of the two available airlines, the most popular ones are Aer Lingus & British Airways. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
The distance between George Best Belfast City Airport to Dublin is 135 km. Normally, it takes about 4 hrs 55 mins to fly, and you can definitely expect the journey to be at least 4 hrs 20 mins. You can see the various flight times in the results.
If you need somewhere to stay for your trip to Republic of Ireland, take a look at our accommodation options.