Athro’s passenger numbers last month were 38% of pre-pandemic levels, the airport has announced.
Just 2.6 million people traveled west London airports in September, compared to 6.8 million during the same month in 2019.
The decline was driven by North American traffic being only a quarter of 2019 levels.
The US has been closed to visitors to the UK during the coronavirus pandemic, although the ban will be lifted in November for those who have been fully vaccinated.
A 7% decrease in cargo volumes in September compared to 2019 shows that travel restrictions are “harming UK exports and supply chains” as well as passenger demand, according to the airport.
Meanwhile, Heathrow urged the government to use the upcoming Cop26 climate conference to announce policies to increase production of sustainable aviation fuels (SAFs) in the UK.
John Holland-Kaye The airport’s chief executive said: “We should aim for 2019 to be the peak year for fossil fuel use in global aviation.
“NS UK government With progressively increasing mandates and plans to use the contracts to accelerate the transition to sustainable aviation fuel in the UK, Cop26 can show real leadership in decarbonizing aviation, protecting the benefits of flying for future generations. “
SAF is produced from materials other than crude oil, and produces up to 80% less carbon emissions than conventional jet fuel.