Meanwhile Eurotunnel - which carries vehicles under the Channel between England and France - said its terminal at Folkestone was at "saturation point" and closed its shuttle car service to new arrivals.
In Poland, police appealed for people to help if they came across homeless or drunk people lying outside, as temperatures dropped towards -20C in some areas.
Most of the 42 people who froze to death in the country over the weekend were homeless, police said.
Meanwhile, one restaurant owner offered tens of thousands of homeless people a hot meal in Krakow's main square.
"The food is not the only important thing," restaurateur Janusz Kosciuszko was quoted as telling Euronews.
"What is also important is that these people know that someone is thinking about them."
Cold-related deaths were also reported in France, where two homeless people died.
Treacherous travel conditions also caused havoc for rail services.
Fifty people were injured when a train hit a buffer in the Croatian city of Zagreb, while 36 were injured when a passenger train derailed in Paris.
Parts of the continent saw 20in (50cm) of snow over the weekend.
Domestic rail services across the UK have been severely delayed, with buses replacing trains in many areas.
Germany's Dusseldorf airport was among those shut down by heavy snow
On Monday evening, British Airways cancelled all its domestic and European flights from the main London airport, Heathrow.
Passengers were offered replacement coach travel. Other airports in the country were closed completely.
The AA, one of the UK's largest motoring and vehicle recovery organisations, said it had attended more than 20,000 breakdowns by 2030 GMT.
Normally it would expect to deal with about 10,000 vehicles for the whole of a Monday in December.
In France, Germany, Belgium and the Netherlands, airport operators struggled to clear runways amid thick snowfall, with major disruption to flight patterns.
In France, a second wave of snowstorms hit the country's north on Sunday with Paris' Charles de Gaulle airport warning as many as one in five flights was likely to be cancelled on Monday.
Germany's third largest airport - in Dusseldorf - was also closed because of Sunday's heavy snow.
In Belgium, the three biggest airports - Brussels, Charleroi and Liege - were completely shut. Severe delays and cancellations were reported at Amsterdam's Schiphol airport.
Moscow said it was deploying 9,000 snow-clearing machines to clear the city's streets.
Temperatures were forecast to rise later in the week.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.