AirHint found the following cheapest return flights from Busan (PUS) to Paris (CDG) in September 2025 (see full year).

Return flights

17 Sep - 24 Sep	Air China
20 Sep - 25 Sep	China Eastern
09 Sep - 16 Sep	Air China
03 Sep - 10 Sep	Air France
16 Sep - 23 Sep	Air France
03 Sep - 07 Sep	Air France
21 Sep - 28 Sep	Singapore Airlines
10 Sep - 17 Sep	Air France
15 Sep - 19 Sep	Air France
15 Sep - 21 Sep	Air France
30 Sep - 08 Oct	KLM
02 Sep - 14 Oct	Air China
27 Sep - 13 Oct	Air China
28 Sep - 05 Oct	Air China
29 Sep - 06 Oct	Air China
10 Sep - 10 Oct	Air China
29 Sep - 11 Oct	Air China

Also check the deals for one-way flights from Busan to Paris 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 return flights from Busan to Paris in September from $664

Return flights