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

Return flights

09 May - 16 May	AirAsia X
12 May - 18 May	Scoot
01 May - 06 May	Scoot
18 May - 25 May	Scoot
09 May - 18 May	Scoot
16 May - 25 May	Scoot
16 May - 27 May	Scoot
13 May - 20 May	Scoot
08 May - 14 May	Scoot
16 May - 26 May	Scoot
21 May - 15 Jun	Scoot
21 May - 09 Jun	Scoot
25 May - 11 Jun	Scoot
13 May - 03 Jun	Jetstar	direct
30 May - 08 Jun	Jetstar	direct
24 May - 12 Jun	China Southern
12 May - 02 Jun	China Southern
19 May - 02 Jun	China Southern
12 May - 23 Jun	China Southern
28 May - 13 Jun	China Southern

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 333€

Return flights