AirHint found the following cheapest return flights from Seoul (GMP) to Sydney (SYD) in November 2025 (see full year).

Return flights

10 Nov - 18 Nov	Air China
20 Nov - 25 Nov	ANA
21 Nov - 25 Nov	ANA
10 Nov - 13 Nov	ANA
14 Nov - 17 Nov	ANA
16 Nov - 19 Nov	ANA
11 Nov - 18 Nov	ANA
04 Nov - 07 Nov	ANA
14 Nov - 19 Nov	ANA
10 Nov - 17 Nov	ANA
25 Nov - 02 Dec	ANA
23 Nov - 02 Dec	ANA
24 Nov - 02 Dec	ANA
17 Nov - 02 Dec	ANA
28 Nov - 02 Dec	ANA
24 Nov - 01 Dec	Air China
29 Nov - 06 Dec	Air China
28 Nov - 01 Dec	Air China
15 Nov - 06 Dec	Air China
27 Nov - 02 Dec	ANA

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

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 Seoul to Sydney in November from 521€

Return flights