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

Return flights

23 Apr - 25 Apr	Korean Air
24 Apr - 25 Apr	Korean Air
18 Apr - 22 Apr	Korean Air
22 Apr - 25 Apr	Korean Air
09 Apr - 12 Apr	Korean Air
29 Apr - 02 May	Korean Air
08 Apr - 12 Apr	Korean Air
26 Apr - 03 May	Korean Air
09 Apr - 13 Apr	Korean Air
16 Apr - 19 Apr	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 287€

Return flights