There are several ways to save money during the trip, the main ones are directly related to the organization of the trip and only a few with savings on medical services.
First of all, it is possible to reduce expenditure items using more cheaper accommodation options, such as hotels and apartments from the host country, which will be cheaper than accommodation at standard rates. You can choose more economical flight options, for example, using low cost airlines or purchasing tickets in advance. Quite a lot can be saved without using the services of premium medical centers, because in them the cost is always 20-30% higher due to additional services.
It is possible to save only on medical research in the case of performing high-quality tests on modern equipment in their own country. As a rule, this concerns CT, MRI, PET CT. Subject to the statute of limitations and quality of survey images can be taken by Korean experts.