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

Return flights

04 May - 11 May	Singapore Airlines
18 May - 30 May	Singapore Airlines
10 May - 31 May	Singapore Airlines
20 May - 03 Jun	Singapore Airlines
16 May - 23 May	Singapore Airlines
09 May - 31 May	Singapore Airlines
15 May - 29 May	Singapore Airlines
16 May - 06 Jun	Singapore Airlines
07 May - 16 May	Singapore Airlines
02 May - 13 May	Etihad Airways
20 May - 17 Jun	Qatar Airways
26 May - 25 Jun	Qatar Airways
19 May - 16 Jun	Air Canada
10 May - 27 Jun	Qatar Airways
11 May - 25 May	Qantas
01 May - 17 May	Qantas
18 May - 15 Jun	Qatar Airways
25 May - 22 Jun	Qatar Airways
23 May - 06 Jun	Qatar Airways

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 1046€

Return flights