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

Return flights

16 Apr - 17 Apr	China Southern
11 Apr - 14 Apr	Korean Air
04 Apr - 14 Apr	Korean Air
25 Apr - 29 Apr	Korean Air
13 Apr - 16 Apr	Korean Air
14 Apr - 21 Apr	Korean Air
07 Apr - 21 May	Korean Air
12 Apr - 16 Apr	Korean Air
01 Apr - 07 Apr	Korean Air
06 Apr - 09 Apr	Korean Air
12 Apr - 15 Apr	Korean Air
28 Apr - 03 May	Korean Air
30 Apr - 02 May	Korean Air
30 Apr - 03 May	Korean Air
30 Apr - 04 May	Korean Air
30 Apr - 05 May	Korean Air
29 Apr - 03 May	Korean Air
29 Apr - 05 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 221€

Return flights