1. Get your passport, credit or debit card ready, and read the help document. Air Canada applies travel document requirements contained in IATA's Travel Information Manual, available on the IATA Travel Centre website.Using the free ArriveCan app, you can submit your customs and immigration declaration up to 72 hours before your arrival in Canada. ESTA is an automated system that determines the eligibility of visitors to travel to the United States under the Visa Waiver Program (VWP). Fill out our requirements form with your trip details to learn more about visa requirements for wherever you're headed . This Visa Application Centre has an additional fee requirement. Fill out your form(s) online and print it. All required supporting documents for the form(s). You're also responsible for providing required documents to enter and travel through countries during your trip. This includes required visas.