The authority said the move comes in a bid to "keep prices down" once PCR tests are removed.
From "late October", the government said that eligible fully vaccinated passengers returning from a non-red list country will have the option to replace their day two PCR test with a cheaper lateral flow test, followed by a free PCR if positive.
Health secretary Sajid Javid said the UK’s "robust" border measures have "helped to protect the progress" of the vaccination programme.
"It is because of this success both here and around the world that we can safely open up travel further and we can visit friends and family abroad," he added.
