EasyJet said ongoing travel restrictions meant it would fly just 25pc of planned capacity for the rest of 2020, behind Ryanair which is aiming for 40pc in October.
The airline took a 600 million pound ($775 million) loan under a UK government scheme.
easyJet continues to review its liquidity position on a regular basis and will continue to assess further funding opportunities, should the need arise.
EasyJet is not expecting travel demand to recover to its pre-coronavirus levels until 2023, and the airline has been under strain due to months without revenues during lockdown.
All three airlines had hoped to resume regular flights after air travel came to a total standstill during the coronavirus pandemic, leading to almost 20,000 job losses between them.
The chief executive of London's Heathrow, John Holland-Kaye, told the City AM newspaper it could lead to the loss of potentially 25,000 jobs at his airport -- a third of staff.
FTSE Russell, which will announce its quarterly shuffle of the FTSE 100 index on Wednesday, requires companies to be ranked at least 110th to be part of the blue-chip index.
The last reshuffle in March had already exposed the pain in the tourism ind