The word "bus fare" is a common term used to describe the amount of money a person must pay to ride on a bus. However, there are several antonyms for this word that describe situations where payment is not required. Some examples of antonyms for "bus fare" include complimentary ride, free transportation, no cost travel, and costless commute. These terms are often used in situations where public transportation is provided for free, such as in some cities where buses and trolleys are subsidized by the government. Other antonyms for bus fare may include discounts, rebates, or promotions offered by transit companies to encourage ridership.