AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Dublin (DUB) in August 2025 (see full year).

Return flights

13 Aug - 19 Aug	Air Canada
04 Aug - 20 Aug	Finnair	direct
16 Aug - 25 Aug	Air Canada
15 Aug - 22 Aug	Spirit Airlines
05 Aug - 12 Aug	United
27 Aug - 03 Sep	United
01 Aug - 01 Sep	Frontier Airlines
01 Aug - 12 Sep	Spirit Airlines
07 Aug - 14 Aug	United
11 Aug - 18 Aug	United
05 Aug - 12 Aug	Aer Lingus	direct
27 Aug - 03 Sep	Aer Lingus	direct
21 Aug - 28 Aug	United
01 Aug - 12 Sep	Iberia	direct
09 Aug - 16 Aug	United
30 Aug - 06 Sep	United

Also check the deals for one-way flights from Dallas-Fort Worth to Dublin in August.

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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Cheapest return flights from Dallas-Fort Worth to Dublin in August from 420€

Return flights