How long does it take to go from portland Maine dublin Ireland?

It is not possible to go from Portland, Maine to Dublin, Ireland directly by land or road, as they are separated by the Atlantic Ocean. The most common way to travel from Portland, Maine to Dublin, Ireland is by air. The flight time from Portland International Jetport (PWM) to Dublin Airport (DUB) is typically around 6-7 hours, depending on winds and layovers.