Travel 20 cities around the world where you can get by on under $100 a day September 20, 2019Grace Lin, GoBankingRates.comComments Off on 20 cities around the world where you can get by on under $100 a day The airfare may be pricey but once you're there, you can spend as little as $25-50 a day in places like Bali, Ho Chi Minh City or Buenos Aires.