Cheapest return flights from Madrid to Sydney in December from 642€

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

Return flights

15 Dec - 19 Jan Sichuan Airlines
17 Dec - 17 Jan Sichuan Airlines
09 Dec - 14 Jan China Southern
12 Dec - 19 Jan Sichuan Airlines
10 Dec - 19 Jan Sichuan Airlines
09 Dec - 12 Jan China Southern
06 Dec - 12 Jan China Southern
30 Dec - 29 Jan China Southern
25 Dec - 22 Jan China Southern
11 Dec - 20 Jan ITA Airways
01 Dec - 07 Dec Sichuan Airlines
02 Dec - 07 Dec Ryanair
02 Dec - 09 Dec China Southern
09 Dec - 31 Dec China Southern
02 Dec - 08 Dec China Southern
04 Dec - 31 Dec China Southern
05 Dec - 11 Dec Sichuan Airlines
04 Dec - 08 Dec China Southern
03 Dec - 08 Dec Sichuan Airlines
01 Dec - 08 Dec Sichuan Airlines

Also check the deals for one-way flights from Madrid 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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