AirHint found the following cheapest return flights from Miami (MIA) to Dublin (DUB) in August 2025 (see full year).

Return flights

13 Aug - 20 Aug	United
04 Aug - 20 Aug	Air France
17 Aug - 29 Aug	Air Canada
19 Aug - 26 Aug	Norse Atlantic Airways (UK)
18 Aug - 12 Sep	Delta
05 Aug - 12 Aug	KLM
27 Aug - 03 Sep	United
14 Aug - 21 Aug	Air Canada
11 Aug - 18 Aug	Norse Atlantic Airways (UK)
17 Aug - 24 Aug	Norse Atlantic Airways (UK)
22 Aug - 28 Aug	Air Canada
23 Aug - 30 Aug	TAP
25 Aug - 01 Sep	Air France
31 Aug - 07 Sep	Air France
26 Aug - 02 Sep	United
30 Aug - 06 Sep	United
29 Aug - 05 Sep	Frontier Airlines

Also check the deals for one-way flights from Miami 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 Miami to Dublin in August from 415€

Return flights