In May 2019, fuel in Estonia averaged €1.426 for petrol

Petrol, monthly average€1.426/L
Diesel, monthly average€1.388/L
LPG, monthly average€0.668/L
Weekly bulletins held for May 20194

Monthly averages for Estonia across May 2019, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).