The cheapest flight to Lisbon you can get by boooking 4 days before departure.
The most popular airlines on the route Porto - Lisbon: Ryanair (FR), TAP Air Portugal (TP), Iberia (IB).
The cheapest flights you can book on the route Francisco de Sa Carneiro (OPO) - Portela (LIS).
Direct flights last about 0h 58min.
Direct flights available 7 days a week.
Direct flights: Ryanair (FR), TAP Air Portugal (TP).