Cheapest return flights from Houston to Dublin in September from $615

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 September 2025 (see full year).

Return flights

22 Sep - 30 Sep Brussels Airlines
22 Sep - 29 Sep Spirit Airlines
23 Sep - 30 Sep Air Canada
02 Sep - 10 Sep Hawaiian Airlines
03 Sep - 11 Sep Hawaiian Airlines
09 Sep - 17 Sep Hawaiian Airlines
10 Sep - 18 Sep Hawaiian Airlines
01 Sep - 09 Sep Air Canada
08 Sep - 16 Sep Air Canada
23 Sep - 01 Oct Hawaiian Airlines
02 Sep - 09 Sep Air Canada
24 Sep - 02 Oct Alaska Airlines
29 Sep - 07 Oct Air Canada
24 Sep - 01 Oct Air Canada
30 Sep - 08 Oct Air Canada
28 Sep - 06 Oct British Airways
27 Sep - 05 Oct Air Canada
25 Sep - 03 Oct United
26 Sep - 04 Oct Air Canada

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

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.

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