The closest airport to Kaarli Kirik is Tallinn Airport, which is located in Tallinn. If you plan on visiting or staying in this area, landing at Tallinn Airport will be your best bet.
The cheapest flights to Estonia recently found by momondo users are $11 with Ryanair, $25 with Wizz Air UK, and $48 with airBaltic.
Travelers are not allowed to enter Estonia with the exception of Estonian nationals, residents and their family members, travelers entering as workers and students, as well as diplomatic, medical, humanitarian and transit flights. Estonia has restricted most foreign nationals into the country with the exception of nationals and residents of the European Union, the Schengen area, Andorra, Monaco, San Marino, Vatican City, and individuals with a long-stay visa, residents of Australia, Japan, New Zealand, Rwanda, South Korea, Thailand, Singapore and Uruguay.Entry requirements
Travelers arriving from countries mentioned above may enter to Estonia if they have no symptoms of COVID-19. Travelers from the UK must present a medical certificate with a negative COVID-19 test result issued within 72 hours prior to arrival. Travelers arriving in Estonia must submit a Passenger Locator Form. This can be done at the port of entry or electronically before arrival.Quarantine requirements
Travelers arriving from a country where the number of COVID-19 cases per 100,000 inhabitants has been more than 15 in the last 14 days are subject to a 14-day quarantine. Travelers from the UK will need to self-isolate for 14 days. This period of self-isolation can be shortened by taking a further test 7 days after arrival. If the second test is also negative, they can return to work for essential duties. The citizens of Latvia and Lithuania, holders of residence permit or right of residence of these countries, can enter Estonia and do not have to stay at home if they display no symptoms of COVID-19.Transiting rules
Foreign travelers who are in Estonia for transit to reach their home country can travel through Estonia provided they have no symptoms of COVID-19. Travelers who have been required to self-isolate or stay in quarantine need to comply with the established requirement until the end of the specified deadline