Cheapest return flights from Washington to Dublin in August from 447€

Best time to book flights for Washington (IAD) to Dublin (DUB) flights at AirHint

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

Return flights

18 Aug - 25 Aug Scandinavian Airlines
19 Aug - 26 Aug Scandinavian Airlines
20 Aug - 27 Aug Scandinavian Airlines
17 Aug - 24 Aug Scandinavian Airlines
25 Aug - 01 Sep Scandinavian Airlines
13 Aug - 20 Aug Icelandair
15 Aug - 22 Aug Icelandair
22 Aug - 29 Aug Icelandair
12 Aug - 19 Aug Icelandair
14 Aug - 21 Aug Icelandair
16 Aug - 23 Aug Icelandair
25 Aug - 01 Sep Aer Lingus direct

Also check the deals for one-way flights from Washington to Dublin in August.

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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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