Cheapest one-way MAD–SYD flights, September

AirHint found the following cheapest one-way flights from Madrid (MAD) to Sydney (SYD) in September 2026 (see full year).

One-Way flights

21 Sep Sichuan Airlines
11 Sep Sichuan Airlines
06 Sep Sichuan Airlines
04 Sep Sichuan Airlines
14 Sep Sichuan Airlines
18 Sep Sichuan Airlines
03 Sep Ryanair
10 Sep Ryanair
09 Sep Ryanair
01 Sep Ryanair

Also check the deals for return flights from Madrid to Sydney in September.

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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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