Having an ID is essential for travel. Whether you're flying domestically or internationally, you need proper identification. While it's important to carry physical copies of your IDs, the ability to keep a digital version on your phone is slowly expanding. All Android phones, budget or otherwise, can save IDs to Google Wallet, which, in late 2024, expanded to include US passports. While you should always carry your physical passport, there are several reasons why adding it to Google Wallet can be beneficial.