In Reply to: Perth Airport posted by zulu on Sunday, 19. September 2010 at 13:45 Bali Time:
as soon as you are off the plane at domestic.Go outside and there will be a taxi stand.
It will only take less than 20 minutes to get to the international airport depending on traffic.
What time do you arrive at the domestic airport? and what day of the week is it, both these questions are vital for a correct answer to your question.