Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dubai to Galway as you normally would.
If you book a flight to Galway from Dubai, you will be flying from Dubai Intl, which is the city’s only airport. Dubai Intl (DXB) is located 10.9 km from the centre of Dubai. There are 0 flights from Dubai Intl to Galway per day from 0 different airlines.