The cheapest flight to Amsterdam you can get by boooking 52 days before departure.
The most popular airlines on the route Warsaw - Amsterdam: KLM (KL), LOT (LO), Ukraine International (PS).
The cheapest flights you can book on the route Frederic Chopin (WAW) - Schiphol (AMS).
Direct flights last about 2h 1min.
Direct flights available 7 days a week.
Direct flights: LOT (LO), KLM (KL).