There's no mention of Suki in 'The Legend of Korra' and she doesn't even appear in any of the flashbacks. Thus, there is no indication of whether she is alive. Considering the amount of time that has elapsed between the events in 'Legends of Korra

' and 'The Last Airbender,' there is a good chance of Suki being dead.

What happens to Suki in Avatar?

Arrested by the Fire nation at the end of season 2, Suki eventually breaks free from The Boiling Rock and joins team Avatar for the remainder of the story. ... Later, in the graphic novel Imbalance, Suki has left the Fire Nation to rejoin Sokka and the rest of Team Avatar in the Earth Kingdom.

Did Suki leave Sokka?

Sokka and Suki parted on good terms during Zuko's raid on Kyoshi Island. Suki and her fellow Kyoshi Warriors captured Aang and his friends for intruding on Kyoshi Island, assuming they were Fire Nation spies.