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

Return flights

15 Apr - 19 Apr	Eastar Jet
10 Apr - 13 Apr	Air China
10 Apr - 14 Apr	Air China
17 Apr - 19 Apr	Air China
11 Apr - 13 Apr	Eastar Jet
02 Apr - 06 Apr	Eastar Jet
16 Apr - 20 Apr	Eastar Jet
13 Apr - 14 Apr	Eastar Jet
09 Apr - 12 Apr	Parata Air
29 Apr - 05 May	Parata Air
13 Apr - 16 Apr	Air China
28 Apr - 05 May	Parata Air
28 Apr - 06 May	Korean Air
24 Apr - 23 May	Korean Air
24 Apr - 18 May	Korean Air
27 Apr - 06 May	Korean Air
25 Apr - 04 May	Korean Air
23 Apr - 04 May	Korean Air
29 Apr - 08 May	Korean Air
23 Apr - 03 May	Korean Air

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

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 April from 158€

Return flights