After booking an ITA Airways flight ticket, if you need to cancel your plan after 24 hours or before 48 hours of scheduled departure. Then, go by the following passage from here and read the ITA Airways cancellation policy; points and policies will take you to possible references on ticket cancellation.

You can get a full refund if you cancel the ticket within 24 hours of Purchase.
But you will pay charges if the ticket is cancelled after 24 hours or before the scheduled departures.
In addition, refunds are returned on both refundable and non-refundable flight tickets.
If ITA Airways cancels the ticket due to a glitch, you are subject to receiving full refunds. But, if you cancel the ticket, pay the charges accordingly per the route.

How do I cancel my ITA Airways flight ticket?

Now, to proceed with the online steps for ticket cancellation, you need to follow the following steps. You will then be able to receive help cancelling using the steps below.

First, visit the ITA Airways site page and select login to access the account.
Then select the Manage My Booking tab
Enter PNR number/booking reference code and last name
Retrieve your ticket and proceed to cancel the itinerary and tap the cancel button
Furthermore, explain the ticket cancellation reason within 1000 characters
Finally, tap the submit form button, and the airline will send a confirmation email.

What charges do I have to pay to cancel the ITA Airways flight​​​​?

When you cancel an ITA Airways flight ticket online after 24 hours of Purchase, you are subject to cancellation charges, which will be around $150 to $300, depending on the ticket purchase and other ticket airfare possibilities. You can also get help from an ITA Airways customer service representative.