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

Return flights

05 May - 12 May	Finnair
04 May - 11 May	Finnair
01 May - 08 May	British Airways
10 May - 02 Jun	British Airways
12 May - 19 May	British Airways
11 May - 19 May	British Airways
12 May - 20 May	British Airways
13 May - 21 May	Finnair
02 May - 09 May	Finnair
09 May - 20 May	Iberia
08 May - 20 May	Air Canada
26 May - 10 Jun	Air Canada
20 May - 01 Jun	British Airways
27 May - 11 Jun	British Airways
26 May - 02 Jun	Air Canada
27 May - 04 Jun	Air Canada
22 May - 04 Jun	Air Canada
21 May - 04 Jun	Air Canada
25 May - 01 Jun	Air Canada
31 May - 08 Jun	Air Canada

Also check the deals for one-way flights from Austin 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Austin to Dublin in May from $419

Return flights