At the end of Season 2 Wally West died while saving the Earth from Black Beetle's last attempt to destroy the earth passing his Kid Flash mantel to his cousin Bart Allen/Impulse. He is voiced by Jason Spisak.

Does Wally West die in the flash?

While Kid Flash did not appear on-screen, his absence was explained and his influence acknowledged, with Bart West-Allen revealing that his uncle had a hand in training him. This confirmed that Wally West is still alive and an active hero in the future of the Arrowverse.

What episode does Wally West die?

Wally died in the Season 2 finale when it became clear that the united efforts of the speedsters were all that would be able to stop the vortex caused by the Magnetic Field Disruptor, creating a kind of tornado that had to be stopped at all cost.