According to the airport, the changes should also mean "passengers can book with confidence for half-term and Christmas travel".
Heathrow’s passenger numbers remained at just under 40% of pre-pandemic levels in September, whilst EU rivals, according to the airport, enjoyed "stronger resurgence" over the summer period. North American traffic, however, is only at 25% of 2019 levels.
"We welcome the easing of testing requirements and red-list reduction, which will make international travel simpler, cheaper and less stressful for all passengers," a spokesperson said.