The cheapest flight to Rome you can get by boooking 37 days before departure.
The most popular airlines on the route Lisbon - Rome: TAP Air Portugal (TP), Ryanair (FR), Lufthansa (LH).
The cheapest flights you can book on the route Portela (LIS) - Ciampino (CIA).
Direct flights last about 2h 50min.
Direct flights available 7 days a week.
Direct flights: Ryanair (FR), TAP Air Portugal (TP), Alitalia (AZ).