South Korea has signed an expanded air services agreement with China, and established a new agreement with Tajikistan.

The expanded agreement with China raises the number of frequencies permitted between the countries from 45 to 62 per week, according to South Korea's Ministry of Land, Infrastructure and Transport.

Despite the strong demand between the two countries, many carriers operate irregular passenger services into Chinese cities including Shijiazhuang, Nanning, Yinchuan, and Kunming. With the additional frequencies granted, low-cost carriers can also operate regular services into China, the ministry adds.

FlightMaps Analytics shows that major carriers flying between China and South Korea include Air China, Asiana Airlines, China Eastern Airlines, China Southern Airlines, Jeju Air, Korean Air, and Sichuan Airlines.

Meanwhile, South Korea has also signed a separate agreement with Tajikistan that will permit twice weekly services between the two countries, as well as codeshare arrangements.

FlightMaps Analytics shows that there are no direct flights between the two countries.

Source: Cirium Dashboard