The best month to arrive at Lisbon is September and the most expensive month to fly is April. (Average prices, based on 251 datapoints.)
The best day to arrive at Lisbon is Thursday and it would be best to avoid Saturday, as prices are on average 69.49% higher than on Thursday. (Average prices, based on 308 datapoints.)
At Lisbon the most flights depart around 06:00. (Hourly flights, based on 279 datapoints.)