Cancellation of tickets with Smartwings
It is possible to cancel your ticket, however, please note that you will not receive a full refund of the ticket price. The refund is subject to the terms and conditions of the price package which the ticket was purchased in. Unfortunately, for tickets purchased in the LITE and PLUS price packages, you will only receive a refund of unused airport charges. If you have purchased tickets in the FLEX price packages, cancellation is possible for a fee of 72 USD (52 GBP) per unflown leg. You will only be refunded for the unused part of the ticket.
You can cancel your ticket via the contact form on the carrier's website