AirHint found the following cheapest return flights from Xi'an (XIY) to Seoul (ICN) in August 2025 (see full year).

Return flights

25 Aug - 31 Aug	China Eastern
25 Aug - 01 Sep	Asiana Airlines	direct
29 Aug - 01 Sep	China Southern
21 Aug - 25 Aug	China Eastern
22 Aug - 24 Aug	China Eastern
19 Aug - 26 Aug	Asiana Airlines	direct
23 Aug - 25 Aug	China Southern
27 Aug - 03 Sep	Korean Air	direct
18 Aug - 22 Aug	Korean Air
19 Aug - 23 Aug	Korean Air
18 Aug - 22 Aug	Korean Air	direct
19 Aug - 23 Aug	Korean Air	direct
18 Aug - 25 Aug	Asiana Airlines	direct

Also check the deals for one-way flights from Xi'an to Seoul in August.

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 Xi'an to Seoul in August from 240€

Return flights