Valid for any direct flight or any connecting flight where at least one of the routes is operated by LEVEL (Iberia),Iberia Regional Air Nostrum,Vueling,Iberia,Iberia Express,British Airways
Discount vouchers are issued exclusively by Iberia for its customers. No more than one code can be added in the same booking.
Not valid for combined purchases of flight+hotel or flight+car. Nor can they be used to buy tickets for Air Shuttle flights.
Not applicable for purchases of tickets with Avios, however is applicable for purchases of discounted tickets with Avios.
Iberia permits transfer of vouchers per policy: https://www.iberia.com/us/refund-vouchers/