The Celtics went to the Finals 20 times losing ONLY 3 times.
the lakers and celtics met in the NBA finals eleven times.
Since 1957, the Celtics have reached the NBA Finals 21 times and won 17 championships.
The Los Angeles Lakers lost to the Boston Celtics in the NBA finals 8 times.
21. They have won 17 of them.
They reached the finals five times and won three of those times.
3 times as of the year 2009.
I'm pretty sure it twice. The lakers are 2-8 verse the celtics in the finals.
They've been 19 times only losing 3 times.
the lakers have been there 30 times and the celtics have been there 38 times
20 times. They've won 17 NBA Titles
They won 17 NBA finals