Originally Posted by NewbieRunner

As far as I know direct flights from the UK and Sweden to Greece are not allowed until 15 July. One FTer flew to ATH via ZRH a few days ago and reported his experience in this post although it may have been before the ban started. UK Prime Minister's father flew to Greece today via Bulgaria and was criticised for travelling abroad against FCO advice. So it looks like you can fly from the UK to Greece via another country.