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

Return flights

06 Oct - 14 Oct	Indonesia AirAsia
20 Oct - 28 Oct	Scoot
08 Oct - 22 Oct	Indonesia AirAsia
24 Oct - 01 Nov	Indonesia AirAsia
22 Oct - 25 Oct	Indonesia AirAsia
03 Oct - 10 Oct	Indonesia AirAsia
05 Oct - 10 Oct	Royal Brunei

Also check the deals for one-way flights from Surabaya to Seoul in October.

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 October from $262

Return flights