After TAP pulled the Lisbon, PGA Portugalia operated the route. Over many years they have served Opporto, Lisbon & Faro from Manchester. Sadly PGA was another Manchester loss earlier this year, that was their only UK route. Now that TAP have taken over PGA, I'd hoped maybe TAP could be persuaded to return, but hey,Thomsonfly start LIS from 1st May, five times a week dep at 0655.
I've already booked