Originally Posted by
ticu
Thank you. Good to know. I might look into this option on my return flight to Canada when I have a 5 h 30 min layover in LIS. In that situation the question would be how long would it take me to go trough security for the flight from Lisbon to Toronto, i.e. how early should I be back at the airport for the international flight
If you arrive at 90 minutes before, you'll be perfectly fine for getting to your non-Schengen gate even during the summer peak.
I managed to get to my non-Schengen gate, arriving at T-55 back in Nov.
