AirHint found the following cheapest return flights from Sydney (SYD) to Budapest (BUD) in September 2025 (see full year).

Return flights

22 Sep - 14 Oct	VietJet Air
30 Sep - 26 Oct	Turkish Airlines
30 Sep - 14 Oct	AirAsia X
24 Sep - 16 Oct	VietJet Air
26 Sep - 16 Oct	VietJet Air
27 Sep - 16 Oct	VietJet Air
29 Sep - 02 Oct	VietJet Air
24 Sep - 14 Oct	VietJet Air
22 Sep - 28 Sep	VietJet Air
23 Sep - 20 Oct	Etihad Airways
22 Sep - 30 Sep	VietJet Air
20 Sep - 28 Sep	AirAsia X
23 Sep - 14 Oct	VietJet Air
20 Sep - 27 Sep	AirAsia X
20 Sep - 30 Sep	AirAsia X
22 Sep - 29 Sep	VietJet Air
19 Sep - 28 Sep	AirAsia X
21 Sep - 28 Sep	Jetstar
20 Sep - 29 Sep	AirAsia X
19 Sep - 30 Sep	AirAsia X

Also check the deals for one-way flights from Sydney to Budapest in September.

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 Sydney to Budapest in September from $1077

Return flights