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

Return flights

21 Jul - 28 Jul	Air Canada
22 Jul - 29 Jul	British Airways
21 Jul - 11 Aug	Air Canada
14 Jul - 21 Jul	Air Canada
15 Jul - 22 Jul	British Airways
13 Jul - 20 Jul	British Airways
20 Jul - 27 Jul	British Airways
08 Jul - 22 Jul	Iberia
17 Jul - 24 Jul	Lufthansa
16 Jul - 23 Jul	Air Canada
12 Jul - 19 Jul	British Airways

Also check the deals for one-way flights from Houston to Dublin in July.

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 July from 483€

Return flights