Angela Beard and Jaclyn Sawicki both netted just after half-time to seal a 2-0 victory over Uzbekistan at the Robina Stadium on the Gold Coast and book the Philippines a ticket to their second straight World Cup.
Later on Thursday at the same venue, Hong Song-Ok bagged a hat-trick while Kim Kyong-yong also scored as North Korea thrashed three-times Asian Cup champions Taiwan 4-0 to set themselves up for a first World Cup appearance since 2011.
Uzbekistan and Taiwan can still qualify for the World Cup despite their losses, with both teams moving into the inter-confederation play-offs for the quadrennial tournament.
Japan take on hosts Australia in the women's Asian Cup final at Sydney's Stadium Australia on Saturday.