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

Return flights

16 May - 21 May	Indonesia AirAsia
12 May - 18 May	Indonesia AirAsia
12 May - 06 Jun	Scoot
09 May - 15 May	Scoot
12 May - 16 May	Scoot
08 May - 17 May	Scoot
10 May - 06 Jun	Scoot
02 May - 10 May	Scoot
10 May - 25 May	Scoot
11 May - 06 Jun	Scoot
06 May - 16 May	Scoot
21 May - 24 May	China Southern
14 May - 19 May	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 252€

Return flights