From Longman Dictionary of Contemporary Englishbucket shopˈbucket shop noun [countable] British English informal BBCSHOP/STOREa place that sells cheap plane tickets
Examples from the Corpus
bucket shop• In contrast, the streetwise dealers require quicker money, and may end up in a bucket shop on the Continent.• After all, Merrill Lynch is not a bucket shop.• There is an art in quitting a bucket shop.From Longman Business Dictionarybucket shopˈbucket shop1FINANCE a dishonest STOCKBROKING firm that uses its clients’ money to buy high-risk stocks and COMMODITIES2British English informalCOMMERCETRAVEL a business that sells cheap tickets for air travelHe got the cheap one-way ticket in a bucket shop. → shop 