AirHint found the following cheapest return flights from Islamabad (ISB) to Seoul (ICN) in May 2026 (see full year).

Return flights

14 May - 01 Jun	China Southern
14 May - 02 Jun	China Southern
14 May - 03 Jun	China Southern
12 May - 01 Jun	China Southern
12 May - 02 Jun	China Southern
12 May - 31 May	China Southern
14 May - 31 May	China Southern
26 May - 02 Jun	Air China
13 May - 31 May	Thai Airways
13 May - 02 Jun	Thai Airways
22 May - 31 May	Thai Airways

Also check the deals for one-way flights from Islamabad to Seoul 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 Islamabad to Seoul in May from 771€

Return flights