Ultimately, Eichel was traded to the Vegas Golden Knights, with the Flames as one of the final contenders. The Golden Knights acquired him by sending
Alex Tuch,
Peyton Krebs, a top 10 protected first-round pick in 2022, and a second-round pick in 2023 to the Sabres. Despite undergoing a neck procedure shortly after the trade and playing only 34 games in his first season with the Golden Knights, Eichel had a stellar 2022-23 campaign. He led the team in both regular-season and playoff scoring, contributing significantly to the Golden Knights winning their first ever Stanley Cup.