On June 22, 2002, Lukowich was traded with Dallas' seventh round pick in the 2003 NHL Entry Draft (Jay Rosehill) to the Tampa Bay Lightning for Tampa Bay's second round pick in the 2002 NHL Entry Draft (Tobias Stephan). Following a five-goal, 19-point season in 2003–04, Lukowich earned his second Stanley Cup championship, helping the Lightning to their first title with a seven-game victory over the Calgary Flames in the finals.