Applying for your eTA can be done within minutes and does not prove to be a hassle, as long as you enter in all relevant and correct information. As such it benefits both, you and the Canadian Government. Your eTA will have a validity of five years from the date of issue. The above, is everything you need to know about the Canada eTA visa. It is a simple and easy way that the Canadian Government has implemented to maintain safety and security in regards to all people entering the country via air.