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

Return flights

12 May - 21 May	Korean Air
10 May - 12 May	Korean Air
25 May - 27 May	Korean Air
29 May - 02 Jun	Korean Air
27 May - 03 Jun	Korean Air
07 May - 11 May	Korean Air
05 May - 12 May	Korean Air
24 May - 27 May	Korean Air
31 May - 02 Jun	Korean Air
11 May - 15 May	Korean Air
23 May - 26 May	Korean Air
23 May - 30 May	Korean Air
12 May - 15 May	Korean Air
29 May - 05 Jun	Korean Air
25 May - 01 Jun	Korean Air
12 May - 19 Jun	Korean Air

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

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 May from 295€

Return flights