All Swiss flights to and from Greece have been cancelled until at least Monday, the airline announced on Saturday morning.
The Swiss airline said on its website that it expects service to resume Monday evening.
Greek airlines as well as airlines serving Greece announced Saturday morning the cancellation of many flights due to the first day of an air traffic controller strike, which is expected to last until Thursday.
Airlines Aegean and Olympic have cancelled their international flights, and Ryanair has cancelled 110 flights for the weekend.
Greek air traffic controllers are protesting against the implementation of reforms that remove their administrative role, without prior discussion with their union.
In a statement on Saturday, Greek minister of transport Christos Spirtzis reproached the “politically motivated strike…without precise demands,” but said he was prepared to discuss the matter.
Strike cancelled after "constructive" meeting
By Saturday evening, the Greek air traffic controllers had announced they would lift their strike notice after a "constructive" meeting with Spirtzis. Their decision coincided with the Greek parliament's review of the nation's civil aviation reform.
swissinfo.ch and agencies