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 - 20 Aug	Frontier Airlines
20 Aug - 26 Aug	Frontier Airlines
11 Aug - 18 Aug	Frontier Airlines
07 Aug - 14 Aug	Spirit Airlines
24 Aug - 09 Sep	Air Canada
24 Aug - 09 Sep	Finnair	direct
26 Aug - 02 Sep	United
26 Aug - 10 Sep	Finnair	direct
26 Aug - 10 Sep	United
17 Aug - 21 Aug	Frontier Airlines
24 Aug - 31 Aug	United
22 Aug - 29 Aug	United
01 Aug - 12 Sep	Frontier Airlines
08 Aug - 15 Aug	Spirit Airlines
10 Aug - 17 Aug	Frontier Airlines
01 Aug - 01 Sep	Frontier Airlines
28 Aug - 04 Sep	United
26 Aug - 02 Sep	Aer Lingus	direct
08 Aug - 15 Aug	Finnair	direct
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 417€

Return flights