The cost of travel documents varies from country to country. We'll concentrate on the costs of US travel documents for the time being. Passport of the United States of America The price of a passport varies depending on the type of passport you want. The least expensive adult passport is $110, while the least expensive minor passport is $80. A passport application will cost around $35. (if applicable). Visas for the United States The average cost of a nonimmigrant visa is $160. The costs vary because different forms of paperwork and/or processing are required for different types of visas. For example, the H1B visa cost does not go to the visa recipient. The beneficiary's employer in the United States must cover the cost. Green Card for the United States In the United States, a Green Card costs $1,225 for adults and $750 for children under the age of 13. This usually includes the $85 biometric cost.