Up makes it a month at the top of the Australian box office, despite competition from the likes of Surrogates and Fame.
The latest Pixar movie grossed a further $3.4 million this weekend to make it comfortably four weeks at the top.
There was a new entry, in the form of Fame, at number two. The remake of the eighties classic grossed over $1.7 million and also enjoyed success at the U.S. box office.
Surrogates found itself at number two in the States but had to settle for third spot down under as it grossed $1.5 million.
G-Force was up a place this week from five to four while 500 Days of Summer dropped two places from three to round off the top five.
Funny People fell four places from two to six and Inglourious Basterds, Charlie & Boots and The Young Victoria all fell while Aliens in The Attic held onto the eighth spot..
1. Up - $3,490,738
2. Fame - $1,722,503
3. Surrogates - $1,518,009
4. G-Force - $1,246,743
5. (500) Days Of Summer - $821,419
6. Funny People - $756,414
7. Inglourious Basterds - $475,300
8. Aliens In The Attic - $364,652
9. Charlie & Boots - $303,858
10. The Young Victoria - $233,806