Cheap Key'n Go Car Rentals at Porto Airport, OPO

To save on refueling costs when departing from Airport, look for deals with a 'full to full' tank fuel policy, or even better, a free tank fuel policy, as opposed to a 'half-full to full' one.

If sharing driving responsibilities, check the policies regarding additional drivers. Some companies charge fees for each extra driver, while others may include it for free under certain conditions.

Many rental companies require payment by credit card and may not accept debit cards. If you only have a debit card, check the rental company's payment policies in advance and look for suitable options.

Airport, you have many options, including popular choices like , United Rentacar, Enterprise and OK Mobility. Each company offers different perks, so be sure to review the deal details carefully.

Before your trip, confirm if your rental includes roadside assistance. This can be crucial in case of breakdowns or emergencies during your rental period.

If you have a specific vehicle in mind, opt for rentals that guarantee your chosen car type. This ensures that you receive the vehicle you expect, rather than being offered an alternative.

At Airport, you can rent a variety of cars, from small three-door models for city driving to people carriers and vans. Take your time to find the one that suits your needs. The most popular car types at Airport are Compact, Compact SUV, Mini

Before booking, review the rental agreement for any hidden fees such as airport surcharges, additional driver fees, or late return penalties. Understanding these can help you budget more effectively.