Brazilian state-run oil company Petrobras (PETR4.SA) increased its jet fuel prices in several cities starting on Sunday, data published on the firm's website showed.

The average hike was close to 7%, according to Brazilian airlines association Abear. Kerosene prices have climbed by about 49% this year.

The company had already increased prices for jet fuel in early April.

Petrobras did not immediately comment on the matter.