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 - 30 Aug	China Eastern
28 Aug - 31 Aug	Shenzhen Airlines
28 Aug - 31 Aug	Korean Air	direct
25 Aug - 31 Aug	Korean Air	direct
19 Aug - 23 Aug	China Eastern
09 Aug - 16 Aug	Air China
06 Aug - 11 Aug	Air China
09 Aug - 11 Aug	Air China
08 Aug - 11 Aug	Air China

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 239€

Return flights