The race, held at the 4.6-kilometer Barcelona-Catalonia Circuit in Barcelona, was held over 66 laps.
Hamilton left his rivals behind with a time of 1 hour 32 minutes and 28.105 seconds and took his first stage win of the season. The experienced pilot, who has 7 championships in Formula 1, won his first race with Ferrari and the 106th race of his career.
British George Russell from Mercedes took second place with a difference of 19.561 seconds, and British Lando Norris from McLaren ranked third with 23.719 seconds behind the leader.
Mercedes’ Italian driver Kimi Antonelli, who is at the top of the pilots’ classification with 5 stages won this season, retired from the race on the 63rd lap due to a malfunction in his vehicle.
The 8th leg of the season, the Austrian Grand Prix, will be run on June 28.
The top 5 places in the pilots and teams classification are as follows:
PILOTS:
1. Kimi Antonelli (Italy): 156
2. Lewis Hamilton (Great Britain): 115
3. George Russell (Great Britain): 106
4. Charles Leclerc (Monaco): 75
5. Lando Norris (Great Britain): 73
TEAMS:
1. Mercedes: 262
2. Ferrari: 190
3. McLaren: 141
4. Red Bull: 89
5. Alpine: 60