On Sunday, January 21, 2018, the price of the dollar in Mexico was quoted at an average of: 1 Dollar = 18.5085 Pesos BUY18.1671 SELL18.8500 0.1900 %0.0349Dollar Price in Mexican Banks BUYSELL17.9018.9017.6018.9018.105018.505018.1018.8517.5018.9018.0019.1017.8919.0518.1018.9018.2818.8618.3518.9017.5018.9018.2519.2517.4018.9718.2019.20