AirHint found the following cheapest return flights from Hangzhou (HGH) to Cheju (CJU) in September 2025 (see full year).

Return flights

23 Sep - 02 Oct	Spring Airlines	direct
16 Sep - 02 Oct	Spring Airlines	direct
23 Sep - 11 Oct	Spring Airlines	direct
25 Sep - 30 Sep	Spring Airlines	direct
23 Sep - 04 Oct	Spring Airlines	direct
16 Sep - 04 Oct	Spring Airlines	direct
23 Sep - 09 Oct	Spring Airlines	direct
02 Sep - 08 Sep	Spring Airlines	direct

Also check the deals for one-way flights from Hangzhou to Cheju in September.

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 Hangzhou to Cheju in September from 97€

Return flights