Cheapest return flights from Houston to Dublin in May from $571

Best time to book flights for Houston (IAH) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Dublin (DUB) in May 2025 (see full year).

Return flights

07 May - 14 May United
14 May - 21 May United
20 May - 03 Jun United
06 May - 13 May United
10 May - 23 May Air Canada
26 May - 02 Jun KLM
08 May - 15 May Spirit Airlines
04 May - 11 May Frontier Airlines
01 May - 09 May Spirit Airlines
02 May - 09 May United
15 May - 22 May United
03 May - 17 May Air Canada
27 May - 03 Jun Delta
28 May - 04 Jun Air France
22 May - 05 Jun KLM

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

Skyscanner

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