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

Return flights

17 Jun - 23 Jun	ANA
02 Jun - 09 Jun	ANA
04 Jun - 09 Jun	ANA
03 Jun - 09 Jun	ANA
03 Jun - 11 Jun	Air China
03 Jun - 18 Jun	Air China
03 Jun - 06 Jun	Air China
01 Jun - 11 Jun	Air China
12 Jun - 21 Jun	Air China
01 Jun - 06 Jun	Air China
30 Jun - 30 Jul	ANA
25 Jun - 08 Jul	ANA
30 Jun - 10 Jul	Air China
22 Jun - 02 Jul	Air China
30 Jun - 07 Jul	ANA
28 Jun - 04 Jul	Asiana Airlines
30 Jun - 03 Jul	Air China
25 Jun - 09 Jul	ANA
29 Jun - 11 Jul	ANA
23 Jun - 01 Jul	ANA

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 $640

Return flights