This update published at 0817.
Currently Bristol, Cardiff & Southampton airports are closed. As the snow moves eastwards airports in the London area are making plans to cope with the disruption.
Some airlines, such as British Airways, have made a change to their normal rules and are allowing some passengers to make changes to their flights free-of-charge.
Please also bear in mind that rail services, including Eurostar, will be affected today and over the weekend.
Here we go again!