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

Return flights

27 Dec - 30 Dec	Air China
19 Dec - 26 Dec	Korean Air
01 Dec - 04 Dec	Air China
12 Dec - 15 Dec	Air China
11 Dec - 14 Dec	Air China
10 Dec - 14 Dec	Air China
19 Dec - 23 Dec	Air China
19 Dec - 21 Dec	Air China
25 Dec - 29 Dec	Air China
26 Dec - 30 Dec	Air China
23 Dec - 04 Jan	Air China
27 Dec - 04 Jan	ANA
24 Dec - 01 Jan	ANA
31 Dec - 04 Jan	ANA
25 Dec - 01 Jan	ANA
30 Dec - 06 Jan	ANA
31 Dec - 01 Jan	ANA
27 Dec - 01 Jan	ANA
31 Dec - 07 Jan	ANA
24 Dec - 04 Jan	ANA

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

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.

Book a cheap hotel in Shanghai

Cheap car rent in Shanghai

Cheapest return flights from Seoul to Shanghai in December from 184€

Return flights