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

Return flights

07 Sep - 14 Sep	Scoot
01 Sep - 17 Sep	Scoot
12 Sep - 17 Sep	Jetstar	direct
07 Sep - 14 Sep	Jetstar	direct
01 Sep - 30 Sep	Scoot
05 Sep - 19 Sep	Scoot
05 Sep - 15 Sep	Jetstar	direct
04 Sep - 13 Sep	Jetstar	direct
05 Sep - 13 Sep	Jetstar	direct
01 Sep - 17 Sep	Jetstar	direct
29 Sep - 13 Oct	Jetstar	direct
22 Sep - 13 Oct	Jetstar	direct
30 Sep - 10 Oct	Jetstar
12 Sep - 02 Oct	Scoot
17 Sep - 07 Oct	Jetstar	direct
28 Sep - 09 Oct	Scoot
28 Sep - 05 Oct	Vietnam Airlines
26 Sep - 08 Oct	Jetstar
26 Sep - 10 Oct	Jetstar
27 Sep - 06 Oct	China Airlines

Also check the deals for one-way flights from Sydney to Seoul in September.

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Sydney to Seoul in September from 310€

Return flights