Cheapest return flights from Beijing to Seoul in September from $220

AirHint found the following cheapest return flights from Beijing (PEK) to Seoul (ICN) in September 2025 (see full year).

Return flights

01 Sep - 08 Sep Korean Air direct
04 Sep - 11 Sep Asiana Airlines direct
05 Sep - 07 Sep Asiana Airlines direct
25 Sep - 26 Sep Korean Air direct
11 Sep - 15 Sep Korean Air direct
14 Sep - 26 Sep Korean Air direct
07 Sep - 10 Sep Korean Air direct
06 Sep - 13 Sep Korean Air direct
04 Sep - 09 Sep Asiana Airlines direct
20 Sep - 22 Sep Korean Air direct
26 Sep - 09 Oct Asiana Airlines direct
28 Sep - 13 Oct Asiana Airlines direct
27 Sep - 01 Oct Shandong Airlines
29 Sep - 09 Oct Asiana Airlines direct
25 Sep - 02 Oct Korean Air direct
27 Sep - 01 Oct Asiana Airlines direct
30 Sep - 08 Oct Asiana Airlines direct
29 Sep - 08 Oct Asiana Airlines direct
30 Sep - 07 Oct Asiana Airlines direct
29 Sep - 03 Oct Asiana Airlines

Also check the deals for one-way flights from Beijing to Seoul in September.

Skyscanner

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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