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

Return flights

17 May - 16 Jun	AirAsia X
12 May - 17 May	Scoot
18 May - 22 Jun	Scoot
11 May - 18 May	Scoot
19 May - 27 May	Scoot
11 May - 19 May	Scoot
18 May - 28 May	Scoot
11 May - 21 May	Scoot
10 May - 13 May	Scoot
09 May - 17 May	Scoot
01 May - 10 May	Scoot
05 May - 18 May	Scoot
18 May - 30 Jun	Scoot
21 May - 15 Jun	Scoot
10 May - 09 Jun	Scoot
21 May - 07 Jun	Jetstar	direct
29 May - 19 Jun	Jetstar	direct
18 May - 22 Jun	Jetstar	direct
10 May - 01 Jun	Jetstar	direct
31 May - 15 Jun	Jetstar	direct

Also check the deals for one-way flights from Sydney 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 Sydney to Seoul in May from $380

Return flights