Aeroméxico, Mexicana and three individuals were fined a combined 88.2 million pesos ($US4.6 million) after the Federal Commission of Economic Competition (Cofece) accused them of price fixing between April 2008 and February 2010.
Aeroméxico took the brunt of the punishment, being assessed 86.2 million pesos. Mexicana, which ceased operations in 2010, was fined a nominal 58 pesos, or roughly US$3.
Three people who allegedly committed illegalities on behalf of their respective airlines were fined a combined 2.2 million pesos.
The fines were imposed after an anti-monopoly investigation into several airlines began in February 2015.
Airlines exchanged information on the breakdown of their rates, authorities said.
“This was done through multiple emails from official and unofficial accounts,” Cofece said.
The collusion involved 112 domestic air routes including Mexico-Mérida, Mexico City-Cancun, León-Tijuana, Mexico-Tijuana, Puebla-Monterrey, Guadalajara-Puerto Vallarta, Mexico-Acapulco, Mexico-Los Cabos, Mexico -Monterrey and Mexico-Guadalajara.
An estimated three and-a-half million passengers were affected, the agency estimates.
Source: El Universal