- Eurolot was a Polish regional airline that operated from 1996 to 2015. It was a subsidiary of LOT Polish Airlines, which is the flag carrier of Poland. Eurolot primarily operated domestic flights within Poland and regional flights to neighboring countries in Europe. The airline had its base at Warsaw Chopin Airport and operated a fleet of ATR 42 and ATR 72 turboprop aircraft. However, in 2015, Eurolot suspended its operations and eventually ceased to exist due to financial difficulties.