First option – By plane to TARTU - Tartu Airport has flight connections to Helsinki.
The distance between the airport and the city centre is about 10 kilometres. More details https://www.tartu-airport.ee/en/
Second option – By plane to TALLINN - Tallinn Airport has flight connections with many cities over the world. https://www.tallinn-airport.ee/en/
There are cosy buses every hour which takes you from the airport (stop called Tallinna lennujaam) to the city centre of Tartu. Ticket to bus lines www.tpilet.ee
For other options, please contact organizers.