1. Airlines often raise ticket prices during the tourist season, and many people choose to travel during holidays, so that they can get higher profits.

With the increasing popularity of the route from Chengdu to Shenyang, airlines may raise the ticket price to earn higher profits.

3. Fuel price is an important part of airlines' operating costs. As fuel prices rise, airlines may raise fares to offset the impact of rising costs.

4. If the supply of air tickets on this route decreases or the demand increases, the airline may balance the relationship between supply and demand by raising the ticket price to ensure profits. An airline refers to an enterprise or organization that provides civil air transport services and is mainly engaged in commercial flight and air freight business.