The cheapest flight to Warsaw you can get by boooking 20 days before departure.
The most popular airlines on the route Pisa - Warsaw: Ryanair (FR), Alitalia (AZ).
The cheapest flights you can book on the route Galileo Galilei (PSA) - Modlin (WMI).
Direct flights last about 2h 15min.
Direct flights available 2 days a week - Tuesday, Saturday.
Direct flights: Ryanair (FR).