Cheapest return flights from Seoul to Beijing in September from 141€

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

Return flights

03 Sep - 10 Sep Air China direct
08 Sep - 12 Sep Air China direct
16 Sep - 20 Sep Air China direct
05 Sep - 08 Sep Air China direct
11 Sep - 14 Sep Air China direct
01 Sep - 06 Sep Air China direct
05 Sep - 09 Sep Air China direct
05 Sep - 07 Sep Air China direct
17 Sep - 21 Sep Air China direct
09 Sep - 12 Sep Air China direct
29 Sep - 06 Oct Korean Air direct
24 Sep - 06 Oct Korean Air direct
27 Sep - 04 Oct Korean Air direct
30 Sep - 13 Oct Korean Air
28 Sep - 02 Oct Korean Air
30 Sep - 04 Oct Korean Air
30 Sep - 08 Oct Korean Air
30 Sep - 08 Oct Air China direct
30 Sep - 13 Oct Air China direct
30 Sep - 04 Oct Air China direct

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