A culture container transportation set suitable for cultured state-maintaining transportation is provided. A culture container transportation set A1 includes: a culture container 13 including a vessel 13 made up of a bottom wall 11 and a tubular side wall 12 rising from the bottom wall 11; a flexible cover 2 covering an upper edge portion 121 of the side wall 12; a hard pressing member 3 provided on the cover 2; a cushioning material 4 of shape restorability; and a housing container 6 that houses the culture container 1, the cover 2, the pressing member 3 and the cushioning material 4 in an assembled state in which these components are stacked while pressing these components from above and below. The cushioning material 4 is provided between the housing container 6 and the culture container 1 or between the pressing member 3 and the housing container 6.