Car rentals in San Diego, Cartagena

Right now it looks like the best car rental deals in San Diego are with NU Car Rentals.

It often pays to catch public transportation to a pickup point that's cheaper than the ones nearest to you. Espinal, San Pedro and Centro may have lower daily prices than the car rental deals in San Diego.

We clearly highlight car and van rental options in San Diego that have free cancellation – so you can score the best deal with total flexibility to change your plans if you need to.

If there are more than five people traveling, look for van rental in San Diego, as it could be cheaper than renting two cars.

We crunched our calendar and found that the cheapest month to rent a car in San Diego is June. Another tip on when to book? Most travelers score the lowest daily rate when they book 3 weeks in advance.

To save money on topping up the tank as you take off from San Diego, look out for deals with a "full to full" tank fuel policy, as opposed to a "half-full to full" one.

Keyless pickup is a relatively new concept that lets you show up at your preferred car rental location, hop in and hit the road without having to line up at a desk. If it's available anywhere in San Diego, we'll highlight it when you search.