Your U.S. health insurance plan will not cover you in Canada, although there are many alternative insurance options to choose from! First, you could qualify for the Canadian health insurance program, which is called Medicare (not to be confused with U.S. Medicare). Be sure to do some research on whether this is the right fit for you. You'd be surprised to hear about the many inconveniences of domestic coverage in Canada and the limitations of coverage outside of Canada. It's best to get worldwide coverage as an expatriate. An alternative is to get a global medical plan that will cover you whether you are in Canada or in the USA. GeoBlue Xplorer is a great option for this situation as it provides a comprehensive policy with worldwide coverage, including in the USA. Read: Health Insurance in Canada