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

Return flights

21 Apr - 27 Apr	Scoot
20 Apr - 29 Apr	Scoot
21 Apr - 11 May	Scoot
20 Apr - 20 May	Scoot
20 Apr - 11 May	Scoot
29 Apr - 06 May	Jetstar	direct
21 Apr - 11 May	Jetstar	direct
21 Apr - 14 May	Jetstar	direct
15 Apr - 06 May	Jetstar	direct
24 Apr - 08 May	Jetstar	direct
20 Apr - 11 May	Jetstar	direct
20 Apr - 20 May	Jetstar	direct
21 Apr - 27 Apr	Jetstar	direct
18 Apr - 29 Apr	Scoot
23 Apr - 29 Apr	Scoot
21 Apr - 28 Apr	AirAsia X
18 Apr - 29 Apr	Jetstar	direct
14 Apr - 28 Apr	Jetstar	direct
19 Apr - 28 Apr	Jetstar	direct
13 Apr - 30 Apr	Jetstar	direct

Also check the deals for one-way flights from Sydney 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 Sydney to Seoul in April from $385

Return flights