Whether or not you need a test before departing for your destination depends on where you’re going.
Each country has its own entry requirements, quarantine rules, and tracking infrastructure, and whether or not you need to comply with these can change according to factors such as vaccination status, age, and previous infection.
There are plenty of resources that you can use to check whether you need to provide proof of a negative test, how long before departure you need to test, and which types of test will be accepted (e.g. PCR, antigen, lateral flow). These include the Foreign, Commonwealth & Development Office (FCDO) travel advice page and SkyScanner’s interactive
