How much does a return ticket from Dublin to Belfast cost?

As an Al language model, i don't have real time access to the current cost of a return ticket from Dublin to Belfast. This information can fluctuate based on factors such as travel dates, time of booking and the choice of airline or transportation provider. Additionally, promotions, discounts, or special fares may be available at the time of booking.

For the most accurate and up to date fares. Check reliable travel websites, booking platforms or directly with the relevant transportation providers or airlines for current pricing.