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

Return flights

07 May - 14 May	Singapore Airlines
07 May - 17 May	Singapore Airlines
06 May - 25 May	Singapore Airlines
25 May - 17 Jun	Singapore Airlines
15 May - 25 May	Etihad Airways
09 May - 22 May	Etihad Airways
01 May - 20 May	Etihad Airways
15 May - 30 May	British Airways
23 May - 07 Jun	Singapore Airlines
29 May - 26 Jun	Turkish Airlines
14 May - 05 Jun	Virgin Australia
02 May - 13 Jun	Qatar Airways
07 May - 19 May	Qatar Airways
06 May - 21 May	Qantas
04 May - 18 May	Qantas
08 May - 11 Jun	Qantas
15 May - 12 Jun	Qantas
08 May - 05 Jun	Qantas
21 May - 04 Jun	Emirates
06 May - 03 Jun	Qantas

Also check the deals for one-way flights from Sydney to Dublin 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 Dublin in May from $1241

Return flights