AirHint found the following cheapest one-way flights from Xi'an (XIY) to Seoul (ICN) in September 2025 (see full year).

One-Way flights

08 Sep	China Southern
01 Sep	China Southern
14 Sep	China Southern
11 Sep	China Southern
03 Sep	China Southern
09 Sep	China Southern
08 Sep	Asiana Airlines	direct
09 Sep	Asiana Airlines	direct
01 Sep	Asiana Airlines	direct
14 Sep	Asiana Airlines	direct

Also check the deals for return flights from Xi'an to Seoul 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 one-way flights from Xi'an to Seoul in September from $91

One-Way flights