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

Return flights

11 May - 18 May	Scoot
10 May - 21 May	AirAsia X
12 May - 19 May	AirAsia X
19 May - 09 Jun	AirAsia X
10 May - 13 May	Scoot
02 May - 16 May	Scoot
09 May - 16 May	Scoot
18 May - 21 May	Scoot
08 May - 18 May	Jetstar
06 May - 20 May	Scoot
08 May - 20 May	Scoot
11 May - 02 Jun	Scoot
13 May - 03 Jun	Jetstar	direct
30 May - 06 Jun	Jetstar	direct
31 May - 08 Jun	Jetstar	direct
24 May - 06 Jun	Jetstar	direct
16 May - 13 Jun	Jetstar	direct
30 May - 14 Jun	Jetstar	direct
15 May - 05 Jun	Jetstar	direct
19 May - 02 Jun	Scoot

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 293€

Return flights