AirHint found the following cheapest return flights from Seoul (GMP) to Shanghai (PVG) in January 2026 (see full year).

Return flights

21 Jan - 25 Jan	Air Seoul, Inc
08 Jan - 11 Jan	Air China
22 Jan - 26 Jan	Air China
08 Jan - 13 Jan	Air China
07 Jan - 14 Jan	Jin Air
01 Jan - 10 Jan	Air China
14 Jan - 20 Jan	Air China
12 Jan - 15 Jan	Air China
19 Jan - 26 Jan	Jin Air
24 Jan - 28 Jan	Jeju Air
23 Jan - 01 Feb	Korean Air
30 Jan - 02 Feb	Air China
31 Jan - 04 Feb	Air China
29 Jan - 02 Feb	ANA
29 Jan - 05 Feb	ANA
27 Jan - 02 Feb	ANA
28 Jan - 04 Feb	ANA
31 Jan - 01 Feb	ANA
28 Jan - 01 Feb	ANA
30 Jan - 01 Feb	ANA

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

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 Seoul to Shanghai in January from 150€

Return flights