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

Return flights

05 May - 11 May	Scoot
10 May - 15 May	Indonesia AirAsia
15 May - 25 May	Scoot
19 May - 29 May	Indonesia AirAsia
19 May - 28 May	Indonesia AirAsia
19 May - 30 May	Scoot
20 May - 27 May	Scoot
18 May - 26 May	Indonesia AirAsia
26 May - 31 May	China Southern
25 May - 31 May	China Southern
27 May - 01 Jun	China Southern
24 May - 05 Jun	China Southern

Also check the deals for one-way flights from Surabaya 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 Surabaya to Seoul in May from $284

Return flights