Rūta Eidukaitytė studied at the Vilnius M. K. Čiurlionis Gymnasium of Arts, and later graduated from the Vilnius Academy of Arts with a Bachelor's and Master's degree in Fine Arts (supervisor Prof. Arvydas Šaltenis). 

Rūta's work is dominated by landscapes with occasional architectural motifs. Rūta's work is characterised by a natural, earthy colour palette and a lively, free-flowing brushstroke.

Owner of the gallery "Ra" in Vilnius, organizes exhibitions and plein air paintings, member of the Lithuanian Artists' Union.

Her works have been acquired by the Lithuanian Academy of Sciences, Kaunas Jewish Museum, private collectors in Lithuania, Norway, Germany, France and elsewhere. In 2014, she was awarded the A. Gudaitis Prize.

Rūta Eidukaitytė actively participates in group exhibitions in Lithuania and abroad, and has held over 30 solo exhibitions in Lithuania, France, Germany and Bulgaria.