Visit the LOT Polish Airlines website and log in to your account.
Locate your booking by entering your reservation details or accessing it through your account.
Select the flight you want to change and click on the "Change Flight" option.
Follow the on-screen instructions to modify your flight details, such as date, time, or destination.
Be aware of any fare differences and change fees, which vary based on your ticket type and fare rules.
Confirm the changes and make any necessary payments.
Alternatively, contact LOT Polish Airlines' customer service for assistance with flight changes. Policies and fees may vary, so check their website or contact them for the most current information.