AirHint found the following cheapest return flights from Nanjing (NKG) to Cheju (CJU) in January 2026 (see full year).

Return flights

05 Jan - 10 Jan	Asiana Airlines
08 Jan - 13 Jan	Asiana Airlines
11 Jan - 16 Jan	Asiana Airlines
20 Jan - 25 Jan	Asiana Airlines
26 Jan - 31 Jan	Asiana Airlines
19 Jan - 28 Jan	Asiana Airlines
29 Jan - 03 Feb	Asiana Airlines
17 Jan - 22 Jan	Asiana Airlines
23 Jan - 28 Jan	Asiana Airlines
02 Jan - 07 Jan	Asiana Airlines
14 Jan - 19 Jan	Asiana Airlines
29 Jan - 03 Feb	Juneyao Airlines	direct

Also check the deals for one-way flights from Nanjing to Cheju in January.

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 return flights from Nanjing to Cheju in January from 250€

Return flights