As a lawful permanent resident of the United States (U.S.), you do not need an electronic travel authorization (eTA) to travel to Canada. Documents you'll need when you travel Air travel At check-in, you'll need to show airline staff proof of your valid status as a permanent resident of the U.S. All methods of travel When you arrive in Canada, a border services officer will ask to see your passport and proof of your valid status as a permanent resident of the U.S. or other documents. When you travel, make sure to bring - proper identification document(s), such as a valid passport from your country of nationality - proof of your status as a permanent resident of the U.S., such as a valid green card (officially known as a permanent resident card)