When flying from Belfast to Tallinn, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Tallinn Ulemiste (TLL) is the airport you will fly into if you book a flight from Belfast to Tallinn. You should not have trouble finding flights to Ulemiste from Belfast; the airport handles an average of 0 inbound flights from Belfast per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Tallinn airport from Belfast. It is only a 2.1 mi journey from Ulemiste (TLL) to Tallinn’s city center.
Anyone who has been vaccinated abroad can prove they have been vaccinated by presenting a vaccine passport, a copy of the passport, or an officially verified excerpt from a database in a foreign country. The document must be in the Latin or Cyrillic alphabet and in Estonian, Russian, or English and must contain the following information such as the disease against which the individual was vaccinated, the date of immunization, the brand name of the vaccine, the number of doses administered and Information on the certificate issuer (i.e. the CDC).