The cheapest flight to Prague you can get by boooking 23 days before departure.
The most popular airlines on the route Dublin - Prague: Ryanair (FR), Aer Lingus (EI), Lufthansa (LH).
The cheapest flights you can book on the route Dublin Airport (DUB) - Ruzyne (PRG).
Direct flights last about 2h 25min.
Direct flights available 7 days a week.
Direct flights: Ryanair (FR), Aer Lingus (EI).