Heavy snow near Gatwick and Edinburgh has forced the airports to close.
No flights are arriving or departing from Edinburgh, and the airport expects flights will remain suspended until at least tomorrow.
Gatwick is advising passengers to contact their airline for all departures today, while the arrivals board shows nearly all flights are cancelled until this evening.
Operations at London City airport are returning to normal after yesterday’s disruptions, with some passengers still experiencing delays.
Glasgow, Southampton, Aberdeen, Stansted and Birmingham International airports remain open.
Manchester airport was forced to close for a few hours overnight after a short bout of snow, but operations have now returned to normal. It is also receiving diverted flights from Scotland.