"Popular prices" refers to prices that are affordable and within the budget of most people. There are several synonyms that can be used to convey the same meaning. One possibility is "reasonable prices," which suggests that the prices are fair and not excessively high. Another option is "competitive prices," which implies that the prices are comparable to those of other similar products or services on the market. "Affordable prices" is another synonym that emphasizes the accessibility of the prices to a wide range of people. "Economical prices" also conveys the sense of affordability and can be used to describe prices that offer good value for money. Overall, there are many words that can be used to describe "popular prices," and the choice will depend on the context and the desired tone.