The Irish airline, Aer Lingus, is currently having a sale for summer 2023 flights, and a single ticket from Dublin to Dubrovnik is around 100 euros.
Aer Lingus is offering up to 20 percent discounts on flights and baggage on selected European flights from March 26 to August 31 2023. However, you’ll have to get your skates on as the sale ends at midnight on Monday 13 March.
You can see and indeed book your flights via the website of Aer Lingus here.