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

Return flights

04 Jun - 10 Jun	ANA
01 Jun - 10 Jun	ANA
03 Jun - 10 Jun	ANA
10 Jun - 18 Jun	Air China
06 Jun - 14 Jun	Air China
01 Jun - 07 Jun	Air China
19 Jun - 23 Jun	Asiana Airlines
19 Jun - 22 Jun	Asiana Airlines
11 Jun - 18 Jun	Asiana Airlines
18 Jun - 21 Jun	Asiana Airlines
28 Jun - 03 Jul	Asiana Airlines
21 Jun - 02 Jul	Asiana Airlines
24 Jun - 03 Jul	Air China
29 Jun - 05 Jul	Air China
27 Jun - 05 Jul	Air China
28 Jun - 04 Jul	Asiana Airlines
22 Jun - 03 Jul	Air China
29 Jun - 11 Jul	ANA
29 Jun - 06 Jul	ANA
26 Jun - 03 Jul	Air China

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

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 June from 571€

Return flights