Airline companies now are adding extra fee, you have to pay for an extra blanket. Some will charge the 3rd bag you carry. If you purchase tickets according on the lowest fare, there is a big possibility that you will pay more potential fees.

Telephone bookings are quite expensive as much as $35.But if you book online it is free of charge.        Before free food and meals are provided, now you will pay for your meals.

Visit this site http://wiki.smartertravel.com/index.php/Airline_fees for the complete guide and chart.