Cheapest return flights from Denver to Sydney in December from 1139€

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

Return flights

23 Dec - 26 Jan ANA
01 Dec - 05 Jan United
28 Dec - 02 Jan Air Canada
22 Dec - 29 Dec Qantas
23 Dec - 04 Jan Qantas
19 Dec - 27 Dec Air Canada
14 Dec - 11 Jan Air Canada
25 Dec - 04 Jan United
17 Dec - 02 Jan United

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

Skyscanner

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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