The Prime Minister is understood to have travelled with his wife Carrie and their 17-month-old son Wilfred to a private villa on the Costa del Sol. Mr Johnson arrived in Spain on Friday following the Tory party conference in Manchester and is set to return to the UK on Thursday, the Sunday Mirror reports.
The sun-seeking trip comes as millions of Britons contend with soaring energy bills, empty supermarket shelves and a devastating cut to Universal Credit payments.
Downing Street did not deny reports he had travelled to Spain, and declined to say whether the Prime Minister was working at No 10 or in Chequers.
A number of leading figures have lashed out at the Prime Minister after reports of the overseas vacation emerged overnight.
A Westminster source said: “It’s fine the PM taking a break, but the timing shows just how out of touch he is with ordinary Brits facing bills, bills and yet more bills.”
The Labour Party tweeted: “Britain is experiencing a fuel crisis, empty supermarket shelves and cuts to family finances caused by the Conservatives.
“Where’s Boris Johnson? On holiday in Spain.”
Former Number 10 communications chief, Alastair Campbell, also condemned the holiday, he told LBC radio: “Boris Johnson is trolling us the whole time and I don’t think he’s focussed on the job the way he should be.”
Meanwhile, author and journalist Otto English tweeted: “As Britons face soaring UK energy bills, rising Covid cases, benefit cuts, empty supermarket shelves and a petrol crisis…. Boris Johnson jets off for a luxury break in Marbella.”
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She also pointed out the Prime Minister “nearly died” when he contracted coronavirus last year and was admitted to hospital.
Earlier this summer, Mr Johnson cut short his planned staycation in Somerset after just one day following the Taliban coup in Afghanistan.
Spain had been on the amber list for travel before the traffic light system was overhauled.
Fully vaccinated passengers are now only required to take a test on day two after returning to the UK.
Business Secretary Kwasi Kwarteng has reassured Britons energy bills will not rise above the price cap set by the regulator, despite wholesale gas prices continuing to soar.
He said: “The safety net that we have in place to shield consumers from instant price hikes this Christmas, and ensure everyone gets the supply they need.
“Despite some pushing me to lift the cap, I am absolutely clear it is here to stay and will remain at the same level throughout winter.
“Keeping this protection in place is non-negotiable for me.”
The Government has also recruited the former boss of Tesco as an adviser to help ease the supply chain crisis in the lead up to the Christmas period.