1. Airbus 320 has a single model, and the cost of maintenance and pilot training is relatively low, while Boeing 737 has a variety of models, and the difference between different models makes the cost of maintenance and pilot training increase accordingly.
2. Airbus 320 has fewer seats and only economy class, while Boeing 737 has more seats, which makes Airbus 320 more advantageous in unit cost.
3. Airbus 320 adopts the mode of online direct ticket sales, while Boeing 737 has various ticket sales modes, and direct sales and agency coexist, which leads to its high sales cost.
In addition, Airbus 320 adopts a price war strategy to attract more customers at a very low price, which is one of the reasons for its relatively low price.