Cheapest return flights from Miami to Sydney in December from $1682

AirHint found the following cheapest return flights from Miami (MIA) to Sydney (SYD) in December 2025 (see full year).

Return flights

10 Dec - 11 Jan Turkish Airlines
25 Dec - 19 Jan Delta
25 Dec - 10 Jan Delta
26 Dec - 10 Jan Air New Zealand
25 Dec - 08 Jan Fiji Airways
12 Dec - 05 Jan Turkish Airlines
12 Dec - 03 Jan Turkish Airlines
14 Dec - 10 Jan Fiji Airways
17 Dec - 03 Jan Qantas
15 Dec - 05 Jan Air New Zealand

Also check the deals for one-way flights from Miami to Sydney in December.

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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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