Cheapest return flights from Miami to Sydney in December from $1093

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

Return flights

04 Dec - 14 Dec Qantas
25 Dec - 25 Jan Air Canada
25 Dec - 28 Jan Delta
11 Dec - 27 Dec Delta
25 Dec - 10 Jan Delta
12 Dec - 03 Jan Spirit Airlines
23 Dec - 30 Dec Qantas
17 Dec - 03 Jan TAP
18 Dec - 03 Jan Frontier Airlines

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

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