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

Return flights

07 Jul - 22 Jul	ANA
07 Jul - 14 Jul	ANA
01 Jul - 07 Jul	Asiana Airlines
02 Jul - 06 Jul	Asiana Airlines
02 Jul - 07 Jul	Asiana Airlines
08 Jul - 12 Aug	ANA
06 Jul - 13 Jul	Asiana Airlines
06 Jul - 12 Jul	Asiana Airlines
04 Jul - 11 Jul	Asiana Airlines
03 Jul - 16 Jul	Asiana Airlines
03 Jul - 11 Jul	Asiana Airlines
29 Jul - 06 Aug	ANA
29 Jul - 02 Aug	ANA
26 Jul - 01 Aug	Asiana Airlines
23 Jul - 08 Aug	Air China
22 Jul - 05 Aug	Air China
29 Jul - 05 Aug	ANA
24 Jul - 02 Aug	Air China
31 Jul - 02 Aug	Air China
25 Jul - 02 Aug	Air China

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

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 July from $640

Return flights