AirHint found the following cheapest one-way flights from Sanya (SYX) to Seoul (ICN) in October 2025 (see full year).

One-Way flights

17 Oct	Shandong Airlines
20 Oct	Shandong Airlines
18 Oct	Hong Kong Airlines
17 Oct	Beijing Capital Airlines	direct
20 Oct	Beijing Capital Airlines	direct
24 Oct	China Southern
29 Oct	China Southern
11 Oct	Shenzhen Airlines
10 Oct	HK Express
12 Oct	China Southern

Also check the deals for return flights from Sanya to Seoul in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from Sanya to Seoul in October from 105€

One-Way flights