On Saturday, some 200 flights to Lisbon were canceled due to a strike by Groundforce Portugal ground staff,
TAP, the national airline, is particularly affected by the strike, as they use the services of Groundforce Portugal.
TAP's two flights scheduled for Sunday from Schiphol to Lisbon have been cancelled, as has the flight from 07:00 on Monday.
KLM, easyJet and Transavia will fly according to schedule on Sunday and Monday.
The strike will last until Sunday evening.
According to Thierry Ligonnière, chairman of the national airport authority Aeroportos de Portugal, flights to Lisbon will be able to operate according to schedule during Monday.