Easyjet has cancelled four flights due to the weather conditions
Overnight snow flurries have lead to the cancellation of six flights from Bristol Airport, with nine incoming aircraft diverted to other airports.
Easyjet flights to Belfast, Krakow, Palma and Glasgow were unable to leave, and Air Southwest cancelled a flight to Manchester.
An Air France flight to Paris Charles de Gaulle was also grounded.
Customers have been advised to check airline websites for the latest information.
Avon and Somerset police report eight weather-related collisions on the roads in and around Bristol in the morning.
The roads in north Bristol and South Gloucestershire have been worst affected, with unexpectedly heavy snowfall from the Bristol Channel freezing overnight.