Does Europe have any similar laws to USA DOT as in applicability for flying into and out of ? or do the euro DOT equivalent only cover flights within the regions.
Yes, EC261. Not sure of the applicability in circumstances of COVID19:
https://europa.eu/youreurope/citizen...r/index_en.htm
https://en.wikipedia.org/wiki/Flight...ion_Regulation
https://paxex.aero/2020/03/eu261-rel...virus-covid19/