02. Viva Aerobus
The second on the list of most economical airlines is Viva Aerobus. This is a low cost Mexican airline based in Monterrey. The airline has now gone international commencing its flights to various American and Costa Rican destinations. It charges an average of $ 65 for the destinations it offers! And best of all, it also operates in Illinois, Houston, Florida, Orlando and La Vegas. So if you are in one of these places, consider traveling with Viva AeroBus.