AirHint found the following cheapest return flights from Busan (PUS) to Sydney (SYD) in April 2026 (see full year).

Return flights

05 Apr - 13 Apr	Vietnam Airlines
04 Apr - 14 Apr	VietJet Air
05 Apr - 11 Apr	Vietnam Airlines
05 Apr - 12 Apr	Vietnam Airlines
04 Apr - 11 Apr	VietJet Air
06 Apr - 11 Apr	VietJet Air
04 Apr - 10 Apr	VietJet Air
06 Apr - 10 Apr	VietJet Air
28 Apr - 07 May	Vietnam Airlines
02 Apr - 11 Apr	VietJet Air
08 Apr - 15 Apr	VietJet Air
28 Apr - 08 May	Vietnam Airlines
25 Apr - 01 May	VietJet Air
30 Apr - 05 May	Vietnam Airlines
29 Apr - 05 May	VietJet Air

Also check the deals for one-way flights from Busan to Sydney in April.

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 Busan to Sydney in April from $516

Return flights