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

Return flights

14 Apr - 21 Apr	Scoot
10 Apr - 14 Apr	Scoot
19 Apr - 28 Apr	Scoot
30 Apr - 08 May	Indonesia AirAsia
30 Apr - 07 May	Indonesia AirAsia
11 Apr - 20 Apr	Scoot
18 Apr - 25 Apr	Scoot
18 Apr - 27 Apr	Scoot
14 Apr - 25 Apr	Scoot
14 Apr - 23 Apr	Scoot
15 Apr - 22 Apr	Scoot
07 Apr - 14 Apr	Scoot
29 Apr - 08 May	Scoot
12 Apr - 12 May	Scoot
29 Apr - 02 May	Scoot
30 Apr - 03 May	Scoot

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

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 April from 228€

Return flights