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

Return flights

01 May - 08 May	Turkish Airlines
03 May - 23 May	Turkish Airlines
05 May - 11 May	Turkish Airlines
31 May - 12 Jun	Turkish Airlines
31 May - 07 Jun	Turkish Airlines
29 May - 13 Jun	Turkish Airlines
29 May - 26 Jun	Turkish Airlines
05 May - 26 May	Etihad Airways
02 May - 16 May	Etihad Airways
30 May - 14 Jun	Etihad Airways
21 May - 28 Jun	Asiana Airlines
11 May - 10 Jun	Etihad Airways
30 May - 10 Jun	Etihad Airways
14 May - 21 May	Virgin Australia
14 May - 13 Jun	Air Canada

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

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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Cheapest return flights from Sydney to Barcelona in May from 745€

Return flights