Malaga Airport Car Hire

yes, it will say here:-

To view the CROSS BORDER or FERRY terms and conditions. At STEP2 of our 3 step online booking process, alongside the car photo of your choice, there is a link entitled “IMPORTANT INFORMATION”. Clicking on this link will open an additional smaller window, with the terms and conditions appertaining to that particular car/supplier. Look under TRAVEL RESTRICTIONS Try a few different suppliers as each supplier/vehicle type may have a different cross border rule.

then there are none, especially for portugal

no charge either

thank you