In April Wizz laid off about 1000 staff out of its total of 5000 including some at its Luton main hub. Wizz has slots at Gatwick, Doncaster and other regional airports which have also seen sharp cuts in flying as the business scales back its operations to match demand.
Aviation workers are set to be the worst hit by the Chancellor Rishi Sunak's refusal yesterday to extend the furlough scheme.
Despite its troubles, Wizz repeated its claims that it would emerge from the crisis as a "structural winner" thanks to its strong balance sheet and healthy liquidity position.
The airline has previously warned it may have to "park" many of its 132 Airbus A320 and A321 aircraft over the winter.
It suffered particularly after Hungary closed its borders to all overseas travellers.