On Wednesday, March 21, 2018, the price of the dollar in Mexico was quoted at an average of: 1 Dollar = 18.4155 Pesos BUY18.0716 SELL18.7595 -0.8500 %-0.1558Dollar Price in Mexican Banks BUYSELL17.9518.9517.8018.9017.3018.2118.205918.605918.0518.8017.3018.7018.0019.0017.0619.0117.9018.7018.2618.8518.2518.8017.3018.7018.1719.1717.2018.8218.1019.10