1. Choose an economical mode of transportation: You can choose an economical mode of transportation, such as long-distance bus or train. Long-distance buses are usually cheaper than airplanes, and trains are another option to save money. You can compare the fares and travel time of various modes and choose the option that best suits your budget.

2. Book in advance or miss the special price: book air tickets, train tickets or long-distance bus tickets in advance to get cheaper prices. Monitor special offers or discounts, flexibly adjust the itinerary and avoid special offers.

3. Consider carpooling or joining a group: carpooling or joining a group may be an option to save money. Carpooling can share transportation expenses with other passengers, and groups can enjoy group price concessions. Be sure to choose a reliable and reputable carpooling or tour group service.

4. Choose economical accommodation and catering voluntarily: Choosing economical accommodation and catering options in Yunnan can help you save money. You can choose hotels or inns with low prices but good quality, or try local economical restaurants or food stalls.

5. Flexible adjustment of travel time: In some time periods, especially during off-peak hours, the price of flights, train tickets or long-distance bus tickets may be lower. Your travel time is flexible, try to choose these economical time periods.