Ans: The cheapest way to travel from Yuma to San Diego is 65$ with Desert Bus Lines. Opt for Desert Bus Lines if you want the most economical and quickest way to travel this route.

Ans: Yes, Desert Bus is the only cheapest and quickest direct service that operates daily.

Ans: The best way to travel from Yuma to San Diego without a car is by Desert Bus, which takes less than three hours for just 65$.

Ans: The price of a ticket from Yuma to San Diego is 65$ for the quickest and most direct bus service.