Cheapest one-way flights from Madrid to Sydney in December from 330€

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

One-Way flights

17 Dec Sichuan Airlines
01 Dec Sichuan Airlines
08 Dec Sichuan Airlines
15 Dec Sichuan Airlines
10 Dec Sichuan Airlines
05 Dec Sichuan Airlines
07 Dec Sichuan Airlines
03 Dec Sichuan Airlines
12 Dec Sichuan Airlines
06 Dec China Southern

Also check the deals for return 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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