Cheapest return HOU–DUB flights, September

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

Return flights

02 Sep - 09 Sep Air Canada
01 Sep - 08 Sep Lufthansa
08 Sep - 16 Sep British Airways
11 Sep - 18 Sep Air Canada
15 Sep - 22 Sep Turkish Airlines
13 Sep - 20 Sep jetBlue
14 Sep - 21 Sep Virgin Atlantic
03 Sep - 07 Sep Air France
04 Sep - 07 Sep Lufthansa

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

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