In June 2018, fuel in Czechia averaged €1.272 for petrol

Petrol, monthly average€1.272/L
Diesel, monthly average€1.241/L
LPG, monthly average€0.554/L
Weekly bulletins held for June 20184

Monthly averages for Czechia across June 2018, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).