I got my accounting degree in US. How can I become a chartered accountant in Canada?

Canada will recognize your degree. However there are differences between Canadian GAAP and US GAAP. you will be asked to make up certain classes like taxation. Refer to http://www.cica.ca/index.cfm?ci_id=17150&la_id=1 for information. If you're still in the US you might want to consider becoming a CPA then coming back to Canada. Its less rigourous, but allows you to step into a CA firm at a higher level, OR you could jump into a Fin Reporting manager job with one of the many Canadian companies that's listed on the US markets.

You would be best to start with the Institute in your province and determine the university credits that they require in order to challenge the CA exams in that province. You will likely have to complete a handful of courses that deal mainly with Canadian issues, specifically tax, financial accounting and auditing (Canada will soon be adopting international accounting standards so the requirements may change, I don't know). Once you contact the Institute in your province then you can probably start with the different Universities to determine how many of your U.S. courses will count towards the required Canadian University credits.

If you got the degree in the US, then clearly, you are already overqualified in Canada. Check with the folks who issue the license, they'll know. My guess is you won't have a problem... as long as you don't use the French accounting methods to compute. Below is a link.