They've been 19 times only losing 3 times.
The Celtics went to the Finals 20 times losing ONLY 3 times.
They have won 17 of them.
Since 1957, the Celtics have reached the NBA Finals 21 times and won 17 championships.
the lakers have been there 30 times and the celtics have been there 38 times
about 16 times
I really don't know, but I do know that they have won 17 NBA finals. Their last win was in 2008, and hopefully in 2011 they will have their 18th.
I'm pretty sure it twice. The lakers are 2-8 verse the celtics in the finals.
The Los Angeles Lakers have beaten the Boston Celtics three times in the NBA Finals: in 1985, 1987 and 2010.