Cheapest return flights from Madrid to Sydney in September from 964€

Best time to book flights for Madrid (MAD) to Sydney (SYD) flights at AirHint

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

Return flights

14 Sep - 28 Sep Aegean Airlines
03 Sep - 16 Sep Ryanair
26 Sep - 14 Oct Iberia
03 Sep - 10 Sep Ryanair
26 Sep - 12 Oct Iberia
15 Sep - 13 Oct Aegean Airlines
23 Sep - 07 Oct Iberia
03 Sep - 13 Sep Ryanair
02 Sep - 16 Sep Air Europa
09 Sep - 16 Sep Iberia
23 Sep - 14 Oct Iberia
26 Sep - 11 Oct Iberia
02 Sep - 10 Sep Air Europa
10 Sep - 23 Sep Ryanair
03 Sep - 23 Sep Ryanair
27 Sep - 12 Oct Iberia
10 Sep - 17 Sep Ryanair
17 Sep - 31 Oct Ryanair
29 Sep - 06 Oct Aegean Airlines
29 Sep - 14 Oct Aegean Airlines

Also check the deals for one-way flights from Madrid to Sydney in September.

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney