The return to travel continues gaining momentum across the U.S. and around the world, according to AAA.

The Transportation Security Administration (TSA) says the Friday and Monday of Memorial Day weekend were the busiest days for U.S. air travel since March 2020.

Countries like France, Portugal and Spain have announced plans to reopen their borders to vaccinated travelers. This also enables river cruising to resume at destinations like these. Sailings are scheduled to depart as early as July, AAA reports.

Travelers can now book ocean cruises from many major U.S. ports, with sailings expected to resume as early as this month.

How passengers will be required to prove their vaccination status is still being reviewed in states like Florida.