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

Return flights

10 May - 21 May	Air China
21 May - 28 May	Air China
11 May - 21 May	Etihad Airways
11 May - 27 May	Etihad Airways
18 May - 31 May	Etihad Airways
03 May - 28 May	Etihad Airways
23 May - 03 Jun	Etihad Airways
01 May - 15 May	Etihad Airways
28 May - 04 Jun	Asiana Airlines
02 May - 21 May	Scoot
01 May - 30 May	Scoot
09 May - 23 May	Scoot
08 May - 05 Jun	Scoot
06 May - 10 Jun	Singapore Airlines
23 May - 27 Jun	Asiana Airlines
14 May - 17 Jun	Air Canada
10 May - 09 Jun	Air Canada
22 May - 09 Jun	Air Canada
07 May - 10 Jun	Air Canada
22 May - 08 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 $842

Return flights