The borders of Estonia and Lithuania are reopened since the 1st of June, 2020 to passengers arriving from European countries. Estonia and Lithuania will admit people with no corona symptoms arriving from the European Union, the members of the Schengen area or the United Kingdom. But: The compulsory quarantine for people arriving in Estonia depends on whether the relative coronavirus infection rate in their country of origin is above 15. For Lithuania the rate is set to 25. This means that no more than 15 (Estonia) or 25 people (Lithuania) per 100 000 inhabitants are infected in the passenger’s country of origin in the past 14 days.
In a nutshell, it means that those entering Estonia or Lithuania from for instance Belgium, the United Kingdom, Sweden, Ireland, Portugal must continue to be in a four-day domestic quarantine. In these countries, the corona infection rate is sometimes considerably higher than 15 or 25. Other countries such as the Netherlands, Luxembourg and Denmark are currently scratching the value of 15. Whether you really want to travel to Estonia or Lithuania under these circumstances remains to be seen. For the Germans, there is still a worldwide travel warning from the Federal Foreign Office, which is valid until June 15, 2020.