Cheap United Rentacar Car Hire Deals 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.

Prefer an automatic car? offers automatic car rentals at Airport. Just select ‘automatic’ when searching, and we'll handle the rest, ensuring you get the convenience of an automatic transmission without any hassle.

If you're traveling with pets, confirm the rental company's pet policy before booking. Some companies allow pets but may have specific fees or restrictions, so it’s best to clarify in advance.

If you're looking for more comfort or features, inquire about upgrade options at the rental desk. Sometimes, upgrades are offered at a discounted rate at pickup.

Always keep your rental agreement, identification, and insurance information easily accessible during your rental period. This can help resolve any issues quickly.

Planning to rent a car with for more than a couple of weeks? No problem! Simply enter your desired dates when searching, and we'll show you available options. Remember, renting for a full month might be cheaper than renting for three weeks.

Be aware that some rental companies impose age restrictions or additional fees for drivers under 25. Make sure to check the company’s age policy when booking.

Check the operating hours of your rental company, as some may have limited hours at airports.