I am on study permit; can I travel outside Canada and able to return?

The decision to travel outside Canada is always your own to make. However, currently, the Government of Canada recommends that everyone avoid all non-essential travel outside of Canada to reduce the spread of COVID-19. Travel between provinces is also not recommended.

But the short answer to your question is Yes! Yes, you can travel outside Canada while on a study permit. As long as you have the TRV stamping on your passport that is not expired.