Cheapest return flights from Beijing to Seoul in September from $219

Best time to book flights for Beijing (PEK) to Seoul (ICN) flights at AirHint

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

Return flights

06 Sep - 13 Sep Asiana Airlines direct
10 Sep - 16 Sep Asiana Airlines direct
17 Sep - 28 Sep Korean Air direct
18 Sep - 24 Sep Korean Air direct
13 Sep - 15 Sep Korean Air direct
26 Sep - 05 Oct Asiana Airlines direct
28 Sep - 11 Oct Korean Air direct
27 Sep - 06 Oct Asiana Airlines direct
28 Sep - 05 Oct Asiana Airlines direct
28 Sep - 06 Oct Asiana Airlines direct
27 Sep - 08 Oct Asiana Airlines direct
27 Sep - 02 Oct Korean Air direct
27 Sep - 03 Oct Korean Air direct

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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