the last time the celtics made it to the finals was 2017 -- 18.
when was the last time the celtics made it to the finals?
2017 -- 18
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in the playoffs, the celtics swept the chicago bulls in the first round in three games, defeated the milwaukee bucks in the semifinals in seven games, and the detroit pistons in the conference finals in seven games to reach the nba finals for the fifth time in the 1980s. in the finals, the celtics faced off against their long time rival, the los angeles lakers, in their third and final matchup in the nba finals in the 1980s. the celtics would lose in six games to the lakers, and it marked the last time the celtics made it to the nba finals until 2008.
1986–87 boston celtics season