Cheapest return flights from Seoul to Shanghai in September from $162

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

Return flights

18 Sep - 22 Sep Jin Air
05 Sep - 07 Sep China Eastern direct
19 Sep - 21 Sep Shanghai Airlines direct
16 Sep - 23 Sep China Eastern direct
02 Sep - 04 Sep T'way Air
04 Sep - 07 Sep Shanghai Airlines direct
18 Sep - 20 Sep Asiana Airlines direct
18 Sep - 22 Sep China Eastern direct
07 Sep - 09 Sep China Eastern direct
02 Sep - 05 Sep China Eastern direct
24 Sep - 14 Oct Asiana Airlines direct
25 Sep - 26 Oct Asiana Airlines direct
30 Sep - 04 Oct Asiana Airlines direct
30 Sep - 05 Oct Asiana Airlines direct
29 Sep - 04 Oct Asiana Airlines direct
30 Sep - 06 Oct Asiana Airlines direct
29 Sep - 03 Oct Asiana Airlines direct
01 Sep - 03 Oct Asiana Airlines direct
28 Sep - 01 Oct Asiana Airlines direct
30 Sep - 03 Oct Asiana Airlines direct

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

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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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