If you are intending on taking a vacation to Canada and you are likely to fly you need to get an ETA Canada in order to take your trip. You can't board your flight without getting your ETA and it is designed to help individuals be safer after they travel. You can get this electronic travel authorization online and it will be valid for two years so it can be used for a long time. Read on the way to learn how to buy your ETA inside the shortest timeframe.