Cheapest return IAH–DUB flights, August

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

Return flights

04 Aug - 01 Sep Frontier Airlines
26 Aug - 01 Sep Frontier Airlines
19 Aug - 25 Aug Frontier Airlines
05 Aug - 12 Aug Frontier Airlines
26 Aug - 31 Aug Frontier Airlines
21 Aug - 30 Aug Frontier Airlines
20 Aug - 24 Aug Turkish Airlines

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

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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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