Leia Deserves a Warrior's Exit - Should Go Out Fighting
Most of the original cast have/will have a warrior's death (Han, Luke), Bale Organa died in rebellion to the Empire. Obi Wan sacrificed himself to save Luke. Hell, Anakin sacrificed himself to defeat the Emperor. It would be a dishonor for Leia to achieve any less.
This is one of those times an honorable character death is deserved. Aside from that it just fits her character as the leader she was. Her whole existence was battling for the good of the people.
Pretty sure she will be on a ship that will be destroyed. Hopefully they crash it into a Star Destroyer or the like.