Many of the characters have made or been made sacrifices.

Many characters on Lost have made or been made sacrifices. This page serves to keep track of as many sacrifices as possible.

Season 1[]

Sacrifice By To/For Episode Details/Reference
Sayid-mSayid himself Omar "Solitary" Sayid: "I'm willing to make that sacrifice."
Jack-m Jack Christian Jack's patients "All the Best Cowboys Have Daddy Issues" Christian Shephard: "I know I have been hard on you, but that is how you make a soft metal into steel. That is why you are the most gifted young surgeon in this city. And this... this is a career that is all about the greater good. I've had to sacrifice certain aspects of my relationship with you so that hundreds and thousands of patients will live because of your extraordinary skills. I know it's a long... long time coming. What happened yesterday, I promise you will never happen again. And after all... what I've given... this is... this is not just about my career, Jack. It's my life."
Boone-mBoone Locke the Island "Deus Ex Machina" Despite his vision of a bloody Boone, Locke puts him in danger by asking him to climb to the Beechcraft, which falls, mortally wounding Boone and ultimately making him a sacrifice to Locke's vision.
Boone-mBoone Locke the Island "Exodus, Part 2" Locke: "Boone was a sacrifice that island demanded. What happened to him at that plane was a part of a chain of events that led us here... that led us down a path, that led you and me to this day, to right now."

Season 2[]

Boone-mBoone Locke the Island "?" Locke: "Boone. Boone made it fall. Then he died. A sacrifice that the island demanded."

Season 3[]

Boone-mBoone Locke the Island "Further Instructions" Boone (vision): "You're sorry. That's okay. But I was the sacrifice the island demanded."
Jack-mJack himself Kate & Sawyer "Tricia Tanaka Is Dead" Kate: "He sacrificed himself so we could escape. Probably didn't want it to be for nothing."
Isaac Abraham God "Catch-22" Desmond: "Moriah is the mountain where Abraham was asked to kill Isaac."

Brother Campbell: "And yet God spared Isaac."
Desmond: "Well one might argue that God need not have asked Abraham to sacrifice his son in the first place."
Brother Campbell: "Well then it wouldn't have been much of a test, would it Brother? Perhaps you underestimate the value of sacrifice."

Life with Ruth Desmond God "Catch-22" Desmond: "And I looked at him and knew, I knew. I was supposed to go with him. I was supposed to leave... everything that mattered behind, sacrifice all of it for a greater calling."
Charlie-mCharlie Desmond Penny "Catch-22" Charlie: Oh, you needed me to come, cause I was part of your vision. You thought the only way you could get your girl back was if I took an arrow in the head. You'd've sacrificed me."
Charlie-mCharlie himself everyone "Through the Looking Glass, Part 1" Charlie allows himself to drown in the process of deactivating the jamming signal in the Looking Glass, thus sacrificing himself for everyone else's rescue.

Season 4[]

Sawyer-mSawyer Himself Everybody on the helicopter "There's No Place Like Home, Part 3" While traveling to the helicopter along with Jack, Hurley, Kate, Sayid and Sawyer, Frank notices that they're losing fuel very quickly. Frank suggests to dump everything they don't need from the helicopter. The survivors do so, but Frank claims he'll "feel a hell of a lot better if we lost a few hundred pounds." After realizing nobody is wants to leave, Sawyer whispers to Kate something that sounds like "I have a daughter in Alabama. You have to find her and tell her I'm sorry. She asks why is he telling her this, Sawyer then kisses her and jumps from the helicopter, sacrificing himself so that the other survivors can make it back to the freighter.

Season 5[]

Locke-mLocke himself Everyone on the Island "This Place Is Death" Christian tells Locke that he has to die, in order to bring back everyone who has left the Island.

Season 6[]

Sayid-mSayid himself Jack, Kate, Sawyer, Sun, Jin, Hurley and Frank Lapidus "The Candidate" To save his friends from the Man in Black's bomb, Sayid takes it and runs to the end of the sub. The subsequent blast kills Sayid but allows Jack, Kate, Sawyer, Hurley and Frank Lapidus to escape.
Jack-mJack himself The Island and Everyone "The End" Jack puts the stone plug back to restore the golden light exposing himself to the electromagnetism at the Source, as he realizes that this is destiny. He dies in the bamboo grove after assuring the survival of his friends and their escape from the island.