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

Return flights

09 Mar - 12 Mar	Korean Air
08 Mar - 11 Mar	Jeju Air
12 Mar - 16 Mar	Jin Air
13 Mar - 16 Mar	Air China
18 Mar - 22 Mar	Air China
20 Mar - 23 Mar	Air Seoul, Inc
03 Mar - 06 Mar	Air Busan
05 Mar - 08 Mar	Jeju Air
01 Mar - 03 Mar	Air Busan
21 Mar - 24 Mar	Air Busan
28 Mar - 01 Apr	Korean Air
29 Mar - 01 Apr	Korean Air
28 Mar - 04 Apr	Korean Air
31 Mar - 11 Apr	Korean Air
30 Mar - 01 Apr	Korean Air
30 Mar - 02 Apr	Korean Air
31 Mar - 03 Apr	Korean Air
26 Mar - 04 Apr	ANA
12 Mar - 03 Apr	ANA

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

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 March from 123€

Return flights