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

Return flights

15 Apr - 20 Apr	Spirit Airlines
04 Apr - 14 Apr	Spirit Airlines
03 Apr - 13 Apr	Spirit Airlines
03 Apr - 14 Apr	Spirit Airlines
22 Apr - 29 Apr	United
15 Apr - 22 Apr	United
01 Apr - 08 Apr	British Airways
13 Apr - 20 Apr	British Airways
27 Apr - 04 May	British Airways
18 Apr - 29 Apr	Iberia
03 Apr - 11 Apr	Spirit Airlines
25 Apr - 02 May	Spirit Airlines
30 Apr - 07 May	United
24 Apr - 01 May	British Airways
26 Apr - 03 May	British Airways

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 $469

Return flights