David West scored 29 points Thursday night, and the Pacers blew a 16-point second-half lead but pulled away late in a 93-80 win that ousted the Wizards in six games.
St. Louis’ own Bradley Beal’s 3-pointer gave the Wizards a one-point lead with 8½ minutes to play, but the team couldn’t hold on.
Marcin Gortat scored 19 points, and John Wall had 12 points and nine assists for the Wizards, who ended their best playoff run in decades.
Washington won a playoff series for the first time since 2005 and a second-round game for the first time since 1982.
Indiana will face the Miami Heat in the Eastern Conference finals. Game 1 against the two-time defending NBA champions is Sunday in Indianapolis.
Information from Espn.com contributed to this report.