Travellers face a £5,000 fine for going abroad on holiday when a ban on leaving the UK without 'reasonable excuse' comes into force on Monday.
The threat of fines has been extended until the end of June, making foreign summer holidays look increasingly unlikely as a third wave of coronavirus sweeps across Europe.
And France is likely to be added to a 'red list' of countries requiring hotel quarantine by the end of the week.
Health officials are increasingly concerned by a surge in cases of the South African Covid variant across the Channel.
A senior minister even suggested the whole of the Continent could be put on the red list because of the botched vaccine rollout.
Quarantine-free holidays may not be possible until August, killing off hopes of trips abroad until late summer.
A 'traffic light' system is under consideration, allowing travel to 'green' countries without the need for quarantine on return