There will be no flights to or from Exeter and Heathrow Airport due to "wintry conditions" authorities have said.
Passengers are being advised to check the status of their flight before travelling.
Although the runway is currently being cleared, staff say nothing is expected to depart before 10:30 this morning.
Passengers will soon be able to fly from Cornwall Airport Newquay to Stuttgart.
Operator Eurowings says the new route will operate from 31st March 2018 and will fly from Newquay to Stuttgart every Saturday.
The airline says it has also extended the season of its Newquay to Dusseldorf connection until October 2018.
Cornwall Airport Newquay says it is delighted to be able to offer a new route for passengers.
Flights have been disrupted across the region due to low visibility and low clouds.
All Skybus flights have been cancelled because of the weather conditions.
Bristol Airport is also experiencing flight disruptions, with travellers advised to check with their individual airlines as to the status of flights.
All air traffic in and out of Brussels airport has been temporarily suspended after two explosions in the departure area this morning (22 March).
People are being warned not to come to the area.
One flight from Bristol was already in the air when the blasts occurred- that service has had to be diverted elsewhere.
There were two more flights from Bristol to Brussels planned for later today - these have had to be cancelled.
- 0605: this flight took off as normal but had to be diverted after the explosions in Zaventem airport
- 1040: cancelled
- 1730: cancelled
For now here is what the airport is advising passengers:
Skybus flights to/from the Isles of Scilly cancelled due to strong winds. Passengers advised to contact the airline.