The cheapest flight to Belfast you can get by boooking 20 days before departure.
The most popular airlines on the route Warsaw - Belfast: Ryanair (FR), British Airways (BA), KLM (KL).
The cheapest flights you can book on the route Modlin (WMI) - Belfast Intl Airport (BFS).
Direct flights last about 2h 50min.
Direct flights available 3 days a week - Tuesday, Wednesday, Saturday.
Direct flights: Ryanair (FR).