AirHint found the following cheapest return flights from Houston (IAH) to Dublin (DUB) in April 2026 (see full year).

Return flights

28 Apr - 06 May	United
28 Apr - 05 May	Finnair
01 Apr - 08 Apr	United
01 Apr - 09 Apr	United
08 Apr - 16 Apr	United
13 Apr - 21 Apr	United
14 Apr - 22 Apr	Finnair
21 Apr - 29 Apr	Finnair
22 Apr - 30 Apr	Finnair
05 Apr - 13 Apr	British Airways
21 Apr - 28 Apr	Finnair
27 Apr - 05 May	Finnair
20 Apr - 28 Apr	Finnair
27 Apr - 04 May	British Airways
26 Apr - 04 May	British Airways
29 Apr - 07 May	British Airways
23 Apr - 01 May	Finnair
30 Apr - 08 May	Finnair
25 Apr - 03 May	Air Canada
24 Apr - 02 May	United

Also check the deals for one-way flights from Houston to Dublin 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 Houston to Dublin in April from $525

Return flights