Travel Traveling to Honolulu? Here’s where you need to show proof of COVID vaccine or negative test August 30, 2021September 13, 2021 Dawn Gilbertson, USA TODAY Comments Off on Traveling to Honolulu? Here’s where you need to show proof of COVID vaccine or negative test Traveling to Hawaii? As coronavirus cases surge, Honolulu is requiring proof of vaccine or negative COVID test at restaurants, bars, museums.