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

Return flights

25 Apr - 26 May	Etihad Airways
25 Apr - 30 May	Etihad Airways
17 Apr - 29 May	Etihad Airways
01 Apr - 29 Apr	Singapore Airlines
04 Apr - 26 Apr	Air China
05 Apr - 29 Apr	Singapore Airlines
26 Apr - 29 Apr	Virgin Australia
05 Apr - 18 Apr	Qatar Airways
09 Apr - 23 Apr	Air Canada
22 Apr - 14 May	Air Canada
01 Apr - 14 May	Air Canada
08 Apr - 26 Apr	Air Canada
01 Apr - 10 Apr	Air Canada

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

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 April from 913€

Return flights