When the world clued into the severity of COVID-19, travel was one of the first things to go. AdvertisementWith all the variation, it’ll likely take a year or longer for international travel to climb to pre-pandemic levels, experts say, though their estimates vary. He estimates domestic flights won't climb back to normal until 2022, while international flights won’t bounce back until 2023 or 2024. Globally, freer international mobility, particularly for luxury travel, won’t be safe until countries work together to vaccinate at-risk groups around the world. University of Alberta infectious disease expert Dr. Lynora Saxinger previously said full-blown travel won’t return until every country is safeguarded from the virus.