The cheapest flight to Prague you can get by boooking 26 days before departure.
The most popular airlines on the route Lisbon - Prague: TAP Air Portugal (TP), Czech Airlines (OK), Iberia (IB).
The cheapest flights you can book on the route Portela (LIS) - Ruzyne (PRG).
Direct flights last about 3h 18min.
Direct flights available 6 days a week - Monday, Wednesday, Thursday, Friday, Saturday, Sunday.
Direct flights: TAP Air Portugal (TP), Czech Airlines (OK), Smart Wings (QS).