AirHint found the following cheapest return flights from Sydney (SYD) to Barcelona (BCN) in August 2026 (see full year).

Return flights

27 Aug - 07 Sep	Asiana Airlines
30 Aug - 10 Sep	Turkish Airlines
13 Aug - 29 Aug	Asiana Airlines
01 Aug - 07 Sep	Cathay Pacific
04 Aug - 11 Aug	Turkish Airlines
02 Aug - 26 Aug	AirAsia X
12 Aug - 09 Sep	Etihad Airways
31 Aug - 25 Sep	Air China
02 Aug - 25 Aug	AirAsia X
14 Aug - 22 Sep	Scoot
20 Aug - 09 Sep	Emirates
25 Aug - 30 Sep	Emirates

Also check the deals for one-way flights from Sydney to Barcelona in August.

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 Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Sydney to Barcelona in August from 837€

Return flights