Trip to Helsinki / Tallinn / Riga

Hello. I am planning to visit Baltic countries in July. 7 July: Warsaw Modlin - Helsinki (Ryanair / flight) 8 July: Helsinki - Tallinn (Viking Line / ferry) 10 July - Tallinn - Riga (Flixbus / bus) 13 July - Riga - Warsaw Modlin (Ryanair / flight) 11 July: attending concert of Calum Scott @ Jurmala, LT 😎 Budget: up to 500 EUR (all included) This trip is not commercial, just looking for travel buddies 😉