Download this and install this:
www.apktop.com/beautiful-widgets-3-65.html
Once that's done, go to home screen or wherever you want to put it, and and get long press on a blank space. Select widgets, and and scroll to 'Beautiful Toggles widgets', this will bring up another list, and select 'plane', this will be airplane mode, which will turn mode on when you touch it, will be green when it's on.