Polski Bus operates a bus from Ełk to Kaunas every 4 hours. Tickets cost $3 - $6 and the journey takes 1 h 18 min. 4 other operators also service this route. Alternatively, Polish Railways (PKP) operates a train from Ełk to Kaunas 5 times a day. Tickets cost $6 - $10 and the journey takes 1 h 44 min. Traukinio also services this route 5 times a week.
How to get from Ełk to Kaunas
From Ełk bus to Suwałki then bus to Kaunas. 5 h 28 min 44 zł. From Elk train to Białystok then train to Kaunas. 6 h 57 min 74 zł. From Ełk drive to Kaunas. 2 h 41 min 85 zł.