To cancel an Iberia Airlines reservation, you can follow these steps:
- Go to the Iberia Airlines website and click on “Manage my booking” on the homepage.
- Enter your booking code and the last name of the passenger.
- Then, choose the flight you want to cancel and click on “Cancel reservations”.

Follow all these steps to cancel the flight ticket which is mentioned above the line.

Also, you can contact Iberia Airlines customer service by phone to cancel your reservation. You will need to provide your booking code and the cancellation request details.
Remember that cancellation fees and refund policies vary depending on the type of ticket you purchased and the airline’s policy. If you have purchased a non-refundable ticket, you may not be eligible for a refund, or you may be subject to a cancellation fee. Therefore, it’s recommended to check the airline’s policy and ticket conditions before making a booking.