 He first entered the National Parliament of Solomon Islands when he was elected MP for the North Malaita constituency in the August 1997 general election.He lost his seat in the next election in 2001, but regained it in a by-election in December 2004 when sitting member (and Minister for Communications) Daniel Fa'afunua was disqualified from Parliament upon being convicted on a charge of extortion.Kwanairara retained his seat in the 2006 general election, but stood unsuccessfully in 2010, when he was defeated by Jimmy Lusibaea.