LOT Polish Airlines (LO, Warsaw Chopin) has wet-leased two B737-800s from Blue Air (Romania) (0B, Bucharest Otopeni) on a 9.5 month-long contract. According to Routes Online, YR-BMK (msn 40876) and YR-BMN (msn 40728) will operate select European regional services on LOT's behalf over the period covering January 8, 2018, through to October 27, 2018.

For the remainder of the current Winter 2017/18 season, the twinjet will be deployed on regular services from Warsaw Chopin to each of Amsterdam Schiphol, Barcelona El Prat, Düsseldorf Int'l, Kraków, Madrid Barajas, Paris CDG, and Rzeszow. Thereafter, with the onset of the Summer 2018 season, other destinations such as Brussels National, Larnaca, Tbilisi, Tel Aviv Ben Gurion, and Yerevan will be added.

LOT operates an in-house B737 fleet of two MAX 8s, three B737-400s, and four B737-800s.