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

Return flights

25 Apr - 09 May	Scoot
21 Apr - 06 May	Scoot
27 Apr - 18 May	Scoot
28 Apr - 12 May	Scoot
18 Apr - 25 Apr	Scoot
20 Apr - 04 May	Scoot
19 Apr - 16 May	Scoot
19 Apr - 16 May	Jetstar	direct
27 Apr - 18 May	Jetstar	direct
14 Apr - 28 Apr	AirAsia X
19 Apr - 07 May	Scoot
21 Apr - 19 May	Jetstar
20 Apr - 27 Apr	Jetstar	direct
17 Apr - 28 Apr	Jetstar	direct
19 Apr - 28 Apr	Jetstar	direct
22 Apr - 28 Apr	Jetstar	direct
06 Apr - 25 Apr	Scoot
17 Apr - 29 Apr	Scoot
17 Apr - 25 Apr	Scoot
17 Apr - 29 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 324€

Return flights