Cheapest return DAL–DUB flights, September

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

Return flights

09 Sep - 16 Sep Delta
08 Sep - 15 Sep Delta
07 Sep - 14 Sep KLM
10 Sep - 17 Sep Delta
15 Sep - 22 Sep KLM
22 Sep - 29 Sep KLM
29 Sep - 06 Oct Delta
30 Sep - 07 Oct KLM
15 Sep - 29 Sep KLM
16 Sep - 23 Sep Delta
01 Sep - 08 Sep Delta
01 Sep - 15 Sep Delta
27 Sep - 03 Oct WestJet

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

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