Cheapest return flights from Houston to Dublin in May from 491€

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

Return flights

10 May - 17 May Spirit Airlines
09 May - 13 May Air Canada
13 May - 25 May British Airways
25 May - 02 Jun Air Canada
27 May - 04 Jun Air Canada
26 May - 03 Jun Air Canada
31 May - 08 Jun British Airways
01 May - 04 May British Airways
16 May - 23 May Spirit Airlines
15 May - 22 May Air Canada
29 May - 05 Jun Air Canada
28 May - 05 Jun Air Canada
28 May - 04 Jun Air Canada
31 May - 07 Jun Air Canada
30 May - 07 Jun KLM
01 May - 31 May British Airways
29 May - 06 Jun Air Canada

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

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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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